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Boston Logan International Airport to Dulles International Airport flight
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Boston Logan International Airport to Dulles International Airport Flights Info

Cheapest one-way
AU$ 97
Frontier Airlines Frontier Airlines 10h 46m · 1 stop Mon, Dec 21
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Cheapest return
AU$ 174
Frontier Airlines Frontier Airlines 9h 20m · 2 stops Wed, Dec 16 - Wed, Dec 23
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Best time to book
February
Cheapest
Recommended airlines
Frontier Airlines Frontier AirlinesCheapest· From AU$ 97 American Airlines American AirlinesMost booked

Explore the cheapest one-way and round-trip flights from Boston Logan International Airport to Dulles International Airport over the next 90 days, with one-way fares from AU$ 97 and round-trip from AU$ 174. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      BOS 10:25
      10h 46m
      1 stop
      IAD 21:11
      Boston - Washington D.C. | Mon, Dec 21 | Frontier Airlines
      AU$ 97 AU$ 182
      47% off
      47% off
      AU$ 182 AU$ 97
    • BOS 11:08
      9h 20m
      1 stop
      IAD 20:28
      Boston - Washington D.C. | Mon, Dec 14 | Frontier Airlines
      AU$ 118 AU$ 182
      35% off
      35% off
      AU$ 182 AU$ 118
    • BOS 11:08
      8h 23m
      1 stop
      IAD 19:31
      Boston - Washington D.C. | Tue, Dec 15 | Frontier Airlines
      AU$ 120 AU$ 182
      34% off
      34% off
      AU$ 182 AU$ 120
    • BOS 14:40
      1h 47m
      Direct
      IAD 16:27
      Boston - Washington D.C. | Tue, Nov 17 | United Airlines
      AU$ 127
      78% off
      AU$ 587 AU$ 127
    • BOS 19:15
      1h 47m
      Direct
      IAD 21:02
      Boston - Washington D.C. | Wed, Jan 13 | United Airlines
      AU$ 140
      23% off
      AU$ 182 AU$ 140
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Tue, Jan 12 | United Airlines
      AU$ 142
      22% off
      AU$ 182 AU$ 142
    • BOS 19:33
      1h 47m
      Direct
      IAD 21:20
      Boston - Washington D.C. | Wed, Dec 16 | United Airlines
      AU$ 144
      21% off
      AU$ 182 AU$ 144
    • BOS 05:45
      1h 40m
      Direct
      IAD 07:25
      Boston - Washington D.C. | Sun, Dec 20 | United Airlines
      AU$ 144
      21% off
      AU$ 182 AU$ 144
    • BOS 19:33
      1h 47m
      Direct
      IAD 21:20
      Boston - Washington D.C. | Fri, Dec 18 | United Airlines
      AU$ 144
      21% off
      AU$ 182 AU$ 144
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Tue, Nov 17 | Normal Airline
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    • Cheapest nonstop
      BOS 05:30
      1h 40m
      Direct
      IAD 07:10
      Boston - Washington D.C. | Mon, Nov 16 | United Airlines
      DCA 17:10
      1h 41m
      Direct
      BOS 18:51
      Washington D.C. - Boston | Sat, Nov 21 | American Airlines
      AU$ 221 AU$ 281
      21% off
      21% off
      AU$ 281 AU$ 221
    • BOS 05:45
      1h 40m
      Direct
      IAD 07:25
      Boston - Washington D.C. | Tue, Dec 15 | United Airlines
      DCA 06:59
      1h 41m
      Direct
      BOS 08:40
      Washington D.C. - Boston | Tue, Dec 22 | Delta Air Lines
      AU$ 221 AU$ 281
      21% off
      21% off
      AU$ 281 AU$ 221
    • BOS 05:30
      1h 40m
      Direct
      IAD 07:10
      Boston - Washington D.C. | Mon, Nov 23 | United Airlines
      DCA 06:00
      1h 50m
      Direct
      BOS 07:50
      Washington D.C. - Boston | Fri, Nov 27 | American Airlines
      AU$ 224 AU$ 281
      20% off
      20% off
      AU$ 281 AU$ 224
    • BOS 05:30
      1h 40m
      Direct
      IAD 07:10
      Boston - Washington D.C. | Fri, Nov 27 | United Airlines
      DCA 06:59
      1h 36m
      Direct
      BOS 08:35
      Washington D.C. - Boston | Tue, Dec 1 | American Airlines
      AU$ 226
      20% off
      AU$ 281 AU$ 226
    • BOS 05:45
      1h 40m
      Direct
      IAD 07:25
      Boston - Washington D.C. | Mon, Dec 7 | United Airlines
      DCA 08:00
      1h 47m
      Direct
      BOS 09:47
      Washington D.C. - Boston | Wed, Dec 9 | American Airlines
      AU$ 226
      20% off
      AU$ 281 AU$ 226
    • BOS 05:30
      1h 40m
      Direct
      IAD 07:10
      Boston - Washington D.C. | Wed, Nov 25 | United Airlines
      DCA 06:59
      1h 36m
      Direct
      BOS 08:35
      Washington D.C. - Boston | Fri, Nov 27 | American Airlines
      AU$ 229
      19% off
      AU$ 281 AU$ 229
    • BOS 05:30
      1h 40m
      Direct
      IAD 07:10
      Boston - Washington D.C. | Tue, Nov 17 | United Airlines
      DCA 06:00
      1h 38m
      Direct
      BOS 07:38
      Washington D.C. - Boston | Mon, Nov 23 | Delta Air Lines
      AU$ 230
      18% off
      AU$ 281 AU$ 230
    • BOS 14:40
      1h 47m
      Direct
      IAD 16:27
      Boston - Washington D.C. | Wed, Nov 18 | United Airlines
      DCA 06:59
      1h 38m
      Direct
      BOS 08:37
      Washington D.C. - Boston | Sun, Nov 22 | Delta Air Lines
      AU$ 230
      18% off
      AU$ 281 AU$ 230
    • BOS 11:08
      9h 20m
      1 stop
      IAD 20:28
      Boston - Washington D.C. | Wed, Dec 16 | Frontier Airlines
      IAD 22:59
      8h 44m
      1 stop
      BOS 07:43
      Washington D.C. - Boston | Wed, Dec 23 | Frontier Airlines
      AU$ 174
      38% off
      AU$ 281 AU$ 174
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Tue, Nov 17 | Normal Airline
      WAS 15:00
      6h
      Direct
      BOS 16:00
      Washington D.C. - Boston | Thu, Nov 19 | Normal Airline
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    • Cheapest nonstop
      BOS 14:40
      1h 47m
      Direct
      IAD 16:27
      Boston - Washington D.C. | Tue, Nov 17 | United Airlines
      AU$ 127 AU$ 587
      78% off
      78% off
      AU$ 587 AU$ 127
    • BOS 19:15
      1h 47m
      Direct
      IAD 21:02
      Boston - Washington D.C. | Wed, Jan 13 | United Airlines
      AU$ 140 AU$ 182
      23% off
      23% off
      AU$ 182 AU$ 140
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Tue, Jan 12 | United Airlines
      AU$ 142 AU$ 182
      22% off
      22% off
      AU$ 182 AU$ 142
    • BOS 19:33
      1h 47m
      Direct
      IAD 21:20
      Boston - Washington D.C. | Wed, Dec 16 | United Airlines
      AU$ 144
      21% off
      AU$ 182 AU$ 144
    • BOS 05:45
      1h 40m
      Direct
      IAD 07:25
      Boston - Washington D.C. | Sun, Dec 20 | United Airlines
      AU$ 144
      21% off
      AU$ 182 AU$ 144
    • BOS 19:33
      1h 47m
      Direct
      IAD 21:20
      Boston - Washington D.C. | Fri, Dec 18 | United Airlines
      AU$ 144
      21% off
      AU$ 182 AU$ 144
    • BOS 14:36
      1h 47m
      Direct
      IAD 16:23
      Boston - Washington D.C. | Sat, Dec 19 | United Airlines
      AU$ 145
      20% off
      AU$ 182 AU$ 145
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Wed, Dec 23 | United Airlines
      AU$ 145
      20% off
      AU$ 182 AU$ 145
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Sat, Dec 19 | United Airlines
      AU$ 145
      75% off
      AU$ 587 AU$ 145
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Tue, Nov 17 | Normal Airline
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    • Cheapest nonstop
      BOS 14:40
      1h 47m
      Direct
      IAD 16:27
      Boston - Washington D.C. | Tue, Nov 17 | United Airlines
      AU$ 127 AU$ 587
      78% off
      78% off
      AU$ 587 AU$ 127
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Sat, Dec 19 | United Airlines
      AU$ 145 AU$ 587
      75% off
      75% off
      AU$ 587 AU$ 145
    • BOS 05:45
      1h 40m
      Direct
      IAD 07:25
      Boston - Washington D.C. | Fri, Dec 11 | United Airlines
      AU$ 145 AU$ 587
      75% off
      75% off
      AU$ 587 AU$ 145
    • BOS 14:25
      1h 47m
      Direct
      IAD 16:12
      Boston - Washington D.C. | Wed, Jan 6 | United Airlines
      AU$ 151
      74% off
      AU$ 587 AU$ 151
    • BOS 09:30
      1h 45m
      Direct
      IAD 11:15
      Boston - Washington D.C. | Fri, Dec 4 | United Airlines
      AU$ 173
      71% off
      AU$ 587 AU$ 173
    • BOS 19:33
      1h 47m
      Direct
      IAD 21:20
      Boston - Washington D.C. | Wed, Dec 9 | United Airlines
      AU$ 210
      64% off
      AU$ 587 AU$ 210
    • BOS 09:30
      1h 47m
      Direct
      IAD 11:17
      Boston - Washington D.C. | Mon, Jan 11 | United Airlines
      AU$ 249
      57% off
      AU$ 587 AU$ 249
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Thu, Dec 31 | United Airlines
      AU$ 281
      52% off
      AU$ 587 AU$ 281
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Tue, Dec 29 | United Airlines
      AU$ 286
      51% off
      AU$ 587 AU$ 286
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Tue, Nov 17 | Normal Airline
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    • Cheapest nonstop
      BOS 14:40
      1h 47m
      Direct
      IAD 16:27
      Boston - Washington D.C. | Tue, Nov 17 | United Airlines
      AU$ 127 AU$ 155
      18% off
      18% off
      AU$ 155 AU$ 127
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Tue, Nov 17 | Normal Airline
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    • BOS 05:45
      1h 40m
      Direct
      IAD 07:25
      Boston - Washington D.C. | Sun, Dec 20 | United Airlines
      AU$ 144 AU$ 182
      21% off
      21% off
      AU$ 182 AU$ 144
    • BOS 05:45
      1h 40m
      Direct
      IAD 07:25
      Boston - Washington D.C. | Fri, Dec 11 | United Airlines
      AU$ 145 AU$ 587
      75% off
      75% off
      AU$ 587 AU$ 145
    • BOS 09:30
      1h 45m
      Direct
      IAD 11:15
      Boston - Washington D.C. | Fri, Dec 4 | United Airlines
      AU$ 173 AU$ 587
      71% off
      71% off
      AU$ 587 AU$ 173
    • BOS 09:30
      1h 45m
      Direct
      IAD 11:15
      Boston - Washington D.C. | Fri, Nov 27 | United Airlines
      AU$ 378
      36% off
      AU$ 587 AU$ 378
    • BOS 19:49
      1h 46m
      Direct
      IAD 21:35
      Boston - Washington D.C. | Wed, Dec 30 | United Airlines
      AU$ 248
      46% off
      AU$ 461 AU$ 248
    • BOS 19:49
      1h 46m
      Direct
      IAD 21:35
      Boston - Washington D.C. | Sun, Dec 20 | United Airlines
      AU$ 311
      33% off
      AU$ 461 AU$ 311
    • BOS 19:49
      1h 46m
      Direct
      IAD 21:35
      Boston - Washington D.C. | Fri, Dec 25 | United Airlines
      AU$ 313
      32% off
      AU$ 461 AU$ 313
    • BOS 19:49
      1h 46m
      Direct
      IAD 21:35
      Boston - Washington D.C. | Fri, Jan 1 | United Airlines
      AU$ 314
      32% off
      AU$ 461 AU$ 314
    • BOS 14:40
      1h 47m
      Direct
      IAD 16:27
      Boston - Washington D.C. | Tue, Nov 17 | United Airlines
      AU$ 127
      78% off
      AU$ 587 AU$ 127
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Tue, Nov 17 | Normal Airline
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Displayed flight fares from Boston to Washington D.C. are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Boston Logan International Airport to Dulles International Airport?

The cheapest airline flying from Boston Logan International Airport to Dulles International Airport is Frontier Airlines (from AU$ 97) among 3 carriers operating this route. Based on Trip.com's latest 7-day flight data.
Jetstar Airways logo Jetstar Airways Virgin Australia logo Virgin Australia Qantas Airways logo Qantas Airways Regional Express Airlines logo Regional Express Airlines Airnorth logo Airnorth
American Airlines logo American Airlines Jetblue Airways logo Jetblue Airways Delta Air Lines logo Delta Air Lines

Trip.com Price Insights: Flights from Boston Logan International Airport to Dulles International Airport

What is the cheapest month to fly from Boston Logan International Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Boston Logan International Airport to Dulles International Airport for each month in the Trip.com database.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Boston Logan International Airport to Dulles International Airport, the best time to buy is in February, with an average price of AU$ 252. You’ll want to avoid October, when the average price can reach as high as AU$ 482.

AU$ 482
AU$ 367
AU$ 252
AU$ 137
    Cheapest
  • AU$ 303
    Nov
  • AU$ 291
    Dec
  • AU$ 319
    Jan
  • AU$ 252
    Feb
  • AU$ 363
    Mar
  • AU$ 342
    Apr
  • AU$ 319
    May
  • AU$ 385
    Jun
  • AU$ 302
    Jul
  • AU$ 348
    Aug
  • AU$ 392
    Sep
  • AU$ 482
    Oct

What is the cheapest day of the week to fly from Boston Logan International Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average ticket prices from Boston Logan International Airport to Dulles International Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Boston Logan International Airport to Dulles International Airport is Wednesday, with average fares typically lower than other days. You’ll want to avoid flying on Sunday, as ticket prices are usually the highest that day.

AU$ 413
AU$ 290
AU$ 167
AU$ 44
    Cheapest
  • AU$ 364
    Mon
  • AU$ 262
    Tue
  • AU$ 167
    Wed
  • AU$ 334
    Thu
  • AU$ 344
    Fri
  • AU$ 319
    Sat
  • AU$ 413
    Sun

What is the flight schedule from Boston Logan International Airport to Dulles International Airport?

Check the schedule for flights from Boston to Washington D.C. and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA1734

    Boston Logan International Airport

    05:40

    BOS

    1h 50m

    07:30

    IAD

    S M T W T F S
    Search

  2. UA694

    Boston Logan International Airport

    19:41

    BOS

    1h 47m

    21:28

    IAD

    S M T W T - S
    Search

  3. UA721

    Boston Logan International Airport

    14:40

    BOS

    1h 50m

    16:30

    IAD

    S M T W T F S
    Search

  4. UA2098

    Boston Logan International Airport

    09:30

    BOS

    1h 50m

    11:20

    IAD

    S M T W T F S
    Search

  5. UA1693

    Boston Logan International Airport

    18:55

    BOS

    1h 27m

    Direct

    20:22

    EWR

    S M T W T - S
    Search

  6. UA1784

    Newark Liberty International Airport

    21:00

    EWR

    1h 25m

    Direct

    22:25

    IAD

    S M T W T F S

  7. UA592

    Boston Logan International Airport

    17:57

    BOS

    1h 26m

    Direct

    19:23

    EWR

    S M T W T F S
    Search

  8. UA1784

    Newark Liberty International Airport

    21:00

    EWR

    1h 25m

    Direct

    22:25

    IAD

    S M T W T F S

  9. UA592

    Boston Logan International Airport

    17:57

    BOS

    1h 26m

    Direct

    19:23

    EWR

    S M T W T F S
    Search

  10. UA1402

    Newark Liberty International Airport

    22:00

    EWR

    1h 25m

    Direct

    23:25

    IAD

    - M T W - - -

  11. DL2611

    Boston Logan International Airport

    06:00

    BOS

    1h 29m

    Direct

    07:29

    JFK

    S M T W T F S
    Search

  12. DL5595

    John F. Kennedy International Airport

    10:25

    JFK

    1h 27m

    Direct

    11:52

    IAD

    S M T W T F S

  13. F91977

    Boston Logan International Airport

    10:26

    BOS

    3h 13m

    Direct

    13:39

    MCO

    - - - - T F S
    Search

  14. F94230

    Orlando International Airport

    08:00

    MCO

    2h 21m

    Direct

    10:21

    IAD

    S M T W - - -

  15. F91977

    Boston Logan International Airport

    10:26

    BOS

    3h 13m

    Direct

    13:39

    MCO

    - - - - T F S
    Search

  16. F92860

    Orlando International Airport

    16:24

    MCO

    2h 22m

    Direct

    18:46

    IAD

    - - - - T F S
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FAQs for Boston Logan International Airport to Dulles International Airport Flights

  • How long is the flight from Boston Logan International Airport to Dulles International Airport?

    Boston Logan International Airport to Dulles International Airport takes about 1 hour 16 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 4 daily flights from Boston Logan International Airport (BOS) to Dulles International Airport (IAD).
  • The earliest flight from Boston Logan International Airport to Dulles International Airport departs at 05:30, and the last departs at 19:41, with about 6 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Boston Logan International Airport (BOS) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around AU$ 454 in November, the most expensive month to book this route.
  • The earliest flight departs from Boston Logan International Airport (BOS) at 05:30 and arrives in Dulles International Airport (IAD) at 07:13.
  • The latest flight departs from Boston Logan International Airport (BOS) at 19:38 and arrives in Dulles International Airport (IAD) at 21:25.
  • United Airlines is a very popular airline operating an average of 3581 flights per month.
  • One-way flights from Boston Logan International Airport to Dulles International Airport currently start from AU$ 97, and round-trip fares start from AU$ 174. The current lowest fare is a Frontier Airlines flight departing on Mon, Dec 21; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from Boston Logan International Airport to Dulles International Airport, with an average flight time of 1 hour 17 minutes, and around 29 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Boston Logan International Airport to Dulles International Airport is AU$ 281. Prices may vary depending on the departure date, airline, and availability.
  • Boston Logan International Airport to Dulles International Airport operates around 29 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Boston Logan International Airport and Dulles International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, regulatory fees, etc) with all fees confirmed before payment. Fees for baggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.