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O'Hare International Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from O'Hare International Airport to Dulles International Airport over the next 90 days, with one-way fares from THB 2,010 and round-trip from THB 4,210. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        ORD 12:55
        2h 6m
        Direct
        IAD 16:01
        Chicago - Washington D.C. | Sat, Oct 10 | United Airlines
        DCA 06:55
        2h
        Direct
        MDW 07:55
        Washington D.C. - Chicago | Sat, Oct 17 |
        THB 7,310 THB 18,220
        60% off
        60% off
        THB 18,220 THB 7,310
      • ORD 21:52
        2h 6m
        Direct
        IAD 00:58
        Chicago - Washington D.C. | Mon, Oct 19 | United Airlines
        DCA 18:00
        2h
        Direct
        ORD 19:00
        Washington D.C. - Chicago | Mon, Oct 26 |
        THB 7,310 THB 18,220
        60% off
        60% off
        THB 18,220 THB 7,310
      • ORD 08:00
        11h 11m
        1 stop
        IAD 20:11
        Chicago - Washington D.C. | Sun, Nov 1 | Frontier Airlines
        IAD 08:05
        5h 46m
        1 stop
        ORD 12:51
        Washington D.C. - Chicago | Thu, Nov 5 | Frontier Airlines
        THB 4,210 THB 18,220
        77% off
        77% off
        THB 18,220 THB 4,210
      • ORD 07:15
        8h 57m
        1 stop
        IAD 17:12
        Chicago - Washington D.C. | Wed, Nov 11 | Frontier Airlines
        IAD 08:05
        5h 46m
        1 stop
        ORD 12:51
        Washington D.C. - Chicago | Thu, Nov 12 | Frontier Airlines
        THB 4,790
        74% off
        THB 18,220 THB 4,790
      • ORD 07:15
        8h 57m
        1 stop
        IAD 17:12
        Chicago - Washington D.C. | Thu, Nov 5 | Frontier Airlines
        IAD 08:05
        5h 46m
        1 stop
        ORD 12:51
        Washington D.C. - Chicago | Thu, Nov 12 | Frontier Airlines
        THB 4,880
        73% off
        THB 18,220 THB 4,880
      • ORD 07:15
        8h 57m
        1 stop
        IAD 17:12
        Chicago - Washington D.C. | Thu, Nov 12 | Frontier Airlines
        IAD 08:05
        5h 46m
        1 stop
        ORD 12:51
        Washington D.C. - Chicago | Thu, Nov 19 | Frontier Airlines
        THB 4,880
        73% off
        THB 18,220 THB 4,880
      • ORD 07:15
        8h 57m
        1 stop
        IAD 17:12
        Chicago - Washington D.C. | Wed, Nov 4 | Frontier Airlines
        IAD 08:05
        5h 46m
        1 stop
        ORD 12:51
        Washington D.C. - Chicago | Thu, Nov 12 | Frontier Airlines
        THB 4,890
        73% off
        THB 18,220 THB 4,890
      • ORD 07:15
        8h 57m
        1 stop
        IAD 17:12
        Chicago - Washington D.C. | Sun, Nov 15 | Frontier Airlines
        IAD 08:05
        5h 46m
        1 stop
        ORD 12:51
        Washington D.C. - Chicago | Thu, Nov 19 | Frontier Airlines
        THB 4,890
        73% off
        THB 18,220 THB 4,890
      • ORD 07:15
        8h 57m
        1 stop
        IAD 17:12
        Chicago - Washington D.C. | Wed, Oct 28 | Frontier Airlines
        IAD 08:05
        5h 46m
        1 stop
        ORD 12:51
        Washington D.C. - Chicago | Wed, Nov 4 | Frontier Airlines
        THB 4,920
        73% off
        THB 18,220 THB 4,920
      • ORD 10:26
        5h 52m
        1 stop
        IAD 17:18
        Chicago - Washington D.C. | Tue, Oct 6 | Frontier Airlines
        DCA 07:00
        18h 24m
        1 stop
        ORD 00:24
        Washington D.C. - Chicago | Tue, Oct 13 | Frontier Airlines
        THB 5,310
        71% off
        THB 18,220 THB 5,310
      • ORD 08:46
        24h 31m
        1 stop
        IAD 10:17
        Chicago - Washington D.C. | Sun, Oct 11 | Frontier Airlines
        DCA 18:00
        7h 24m
        1 stop
        ORD 00:24
        Washington D.C. - Chicago | Sun, Oct 18 | Frontier Airlines
        THB 5,310
        71% off
        THB 18,220 THB 5,310
      • ORD 06:00
        8h 34m
        1 stop
        IAD 15:34
        Chicago - Washington D.C. | Wed, Oct 7 | Frontier Airlines
        IAD 11:12
        21h 19m
        1 stop
        ORD 07:31
        Washington D.C. - Chicago | Wed, Oct 14 | Frontier Airlines
        THB 5,360
        71% off
        THB 18,220 THB 5,360
      • ORD 08:04
        11h 7m
        1 stop
        IAD 20:11
        Chicago - Washington D.C. | Sun, Oct 25 | Frontier Airlines
        IAD 07:50
        11h 41m
        1 stop
        ORD 18:31
        Washington D.C. - Chicago | Tue, Oct 27 | Frontier Airlines
        THB 8,760
        52% off
        THB 18,220 THB 8,760
      • ORD 06:00
        10h 18m
        1 stop
        IAD 17:18
        Chicago - Washington D.C. | Wed, Oct 14 | Frontier Airlines
        IAD 12:30
        7h 26m
        1 stop
        ORD 18:56
        Washington D.C. - Chicago | Fri, Oct 16 | Frontier Airlines
        THB 12,750
        30% off
        THB 18,220 THB 12,750
      • CHI 13:00
        17h 25m
        1 stop
        WAS 14:00
        Chicago - Washington D.C. | Mon, Oct 5 | Normal Airline
        WAS 15:00
        6h
        Direct
        CHI 16:00
        Washington D.C. - Chicago | Wed, Oct 7 | Normal Airline
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      • Cheapest nonstop
        ORD 21:39
        2h 5m
        Direct
        IAD 00:44
        Chicago - Washington D.C. | Mon, Oct 5 | United Airlines
        THB 4,080 THB 5,860
        30% off
        30% off
        THB 5,860 THB 4,080
      • ORD 21:45
        2h 5m
        Direct
        IAD 00:50
        Chicago - Washington D.C. | Wed, Oct 28 | United Airlines
        THB 4,100 THB 5,860
        30% off
        30% off
        THB 5,860 THB 4,100
      • ORD 06:00
        17h 21m
        1 stop
        IAD 00:21
        Chicago - Washington D.C. | Wed, Oct 21 | Frontier Airlines
        THB 2,010 THB 5,860
        66% off
        66% off
        THB 5,860 THB 2,010
      • ORD 07:15
        15h 28m
        1 stop
        IAD 23:43
        Chicago - Washington D.C. | Wed, Oct 28 | Frontier Airlines
        THB 2,560
        56% off
        THB 5,860 THB 2,560
      • ORD 05:27
        7h 41m
        1 stop
        IAD 14:08
        Chicago - Washington D.C. | Tue, Oct 27 | Delta Air Lines
        THB 2,820
        52% off
        THB 5,860 THB 2,820
      • ORD 15:40
        7h 51m
        1 stop
        IAD 00:31
        Chicago - Washington D.C. | Sat, Oct 31 | Delta Air Lines
        THB 2,820
        52% off
        THB 5,860 THB 2,820
      • ORD 06:00
        10h 13m
        1 stop
        IAD 17:13
        Chicago - Washington D.C. | Sun, Oct 11 | Frontier Airlines
        THB 2,900
        51% off
        THB 5,860 THB 2,900
      • ORD 06:00
        10h 13m
        1 stop
        IAD 17:13
        Chicago - Washington D.C. | Thu, Oct 22 | Frontier Airlines
        THB 2,900
        51% off
        THB 5,860 THB 2,900
      • ORD 15:35
        7h 45m
        1 stop
        IAD 00:20
        Chicago - Washington D.C. | Fri, Nov 27 | Delta Air Lines
        THB 3,070
        48% off
        THB 5,860 THB 3,070
      • ORD 08:29
        6h 47m
        1 stop
        IAD 16:16
        Chicago - Washington D.C. | Sun, Oct 11 | Delta Air Lines
        THB 3,080
        47% off
        THB 5,860 THB 3,080
      • ORD 17:05
        5h 16m
        1 stop
        IAD 23:21
        Chicago - Washington D.C. | Tue, Nov 24 | Delta Air Lines
        THB 3,080
        47% off
        THB 5,860 THB 3,080
      • ORD 06:30
        10h 6m
        1 stop
        IAD 17:36
        Chicago - Washington D.C. | Thu, Nov 19 | Frontier Airlines
        THB 3,240
        45% off
        THB 5,860 THB 3,240
      • ORD 14:03
        9h 25m
        1 stop
        IAD 00:28
        Chicago - Washington D.C. | Fri, Nov 6 | Frontier Airlines
        THB 3,240
        45% off
        THB 5,860 THB 3,240
      • ORD 07:15
        8h 57m
        1 stop
        IAD 17:12
        Chicago - Washington D.C. | Thu, Oct 29 | Frontier Airlines
        THB 3,290
        44% off
        THB 5,860 THB 3,290
      • CHI 13:00
        17h 25m
        1 stop
        WAS 14:00
        Chicago - Washington D.C. | Mon, Oct 5 | Normal Airline
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Flight fares from O'Hare International Airport to Dulles International Airport are based on the average fares across airlines for the next three months, based on Trip.com’s latest data.

Trip.com Price Insights: Flights from O'Hare International Airport to Dulles International Airport

What is the cheapest month to fly from O'Hare International Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from O'Hare 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 O'Hare International Airport to Dulles International Airport, the best time to buy is in September, with an average price of THB 3,910. You’ll want to avoid June, when the average price can reach as high as THB 12,580.

THB 12,580
THB 8,245
THB 3,910
0
  • THB 3,910
    Sep
  • THB 10,390
    Oct
  • THB 6,990
    Nov
  • THB 5,970
    Dec
  • THB 7,510
    Jan
  • THB 11,250
    Feb
  • THB 7,330
    Mar
  • THB 8,500
    Apr
  • THB 6,710
    May
  • THB 12,580
    Jun
  • THB 9,490
    Jul
  • THB 9,230
    Aug

What is the cheapest day of the week to fly from O'Hare International Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average ticket prices from O'Hare 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 O'Hare International Airport to Dulles International Airport is Saturday, with average fares typically lower than other days. You’ll want to avoid flying on Friday, as ticket prices are usually the highest that day.

THB 9,710
THB 8,730
THB 7,750
THB 6,770
    Cheapest
  • THB 8,680
    Mon
  • THB 8,140
    Tue
  • THB 8,610
    Wed
  • THB 8,610
    Thu
  • THB 9,710
    Fri
  • THB 7,750
    Sat
  • THB 9,570
    Sun

Which airline offers the cheapest flights from O'Hare International Airport to Dulles International Airport?

The cheapest airline flying from O'Hare International Airport to Dulles International Airport is Frontier Airlines (from THB 2,650) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From THB 2,650
Delta Air Lines
From THB 2,820
United Airlines
From THB 4,100
American Airlines
From THB 4,370

Find more flights and airlines

What is the flight schedule from O'Hare International Airport to Dulles International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. F91596

    O'Hare International Airport

    06:20

    ORD

    2h 9m

    Direct

    09:29

    ATL

    S M T W T F S
    Search

  2. F94410

    Hartsfield–Jackson Atlanta International Airport

    15:20

    ATL

    1h 52m

    Direct

    17:12

    IAD

    S M T W T F S

  3. DL4929

    O'Hare International Airport

    10:30

    ORD

    2h 24m

    Direct

    13:54

    JFK

    - M T W T F -
    Search

  4. DL5638

    John F. Kennedy International Airport

    15:55

    JFK

    1h 38m

    Direct

    17:33

    IAD

    - M T W T F -

  5. DL1264

    O'Hare International Airport

    05:30

    ORD

    2h 7m

    Direct

    08:37

    ATL

    S M T W T F S
    Search

  6. DL2135

    Hartsfield–Jackson Atlanta International Airport

    13:00

    ATL

    1h 41m

    Direct

    14:41

    IAD

    S - - - - - S

  7. F92205

    O'Hare International Airport

    07:11

    ORD

    3h 12m

    Direct

    11:23

    FLL

    S M T W T F S
    Search

  8. F92960

    Fort Lauderdale-Hollywood International Airport

    17:37

    FLL

    2h 32m

    Direct

    20:09

    IAD

    S M T W T F S

  9. F93044

    O'Hare International Airport

    15:50

    ORD

    2h 56m

    Direct

    19:46

    MCO

    S M T W T - S
    Search

  10. F94230

    Orlando International Airport

    08:16

    MCO

    2h 11m

    Direct

    10:27

    IAD

    S M T W T F S

  11. F91442

    O'Hare International Airport

    19:21

    ORD

    2h 16m

    Direct

    22:37

    ATL

    S M T - - - S
    Search

  12. F94410

    Hartsfield–Jackson Atlanta International Airport

    15:20

    ATL

    1h 52m

    Direct

    17:12

    IAD

    S M T W T F S

  13. F92792

    O'Hare International Airport

    09:51

    ORD

    2h 52m

    Direct

    13:43

    MCO

    - - - W T F -
    Search

  14. F94230

    Orlando International Airport

    08:16

    MCO

    2h 11m

    Direct

    10:27

    IAD

    S M T W T F S

  15. F92198

    O'Hare International Airport

    19:35

    ORD

    2h 16m

    Direct

    22:51

    ATL

    - - - W T F -
    Search

  16. F93692

    Hartsfield–Jackson Atlanta International Airport

    22:24

    ATL

    1h 46m

    Direct

    00:10

    IAD

    S M T W T F S
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About O'Hare International Airport and Dulles International Airport

Learn about O'Hare International Airport (ORD) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.

Flight distance 946.66km
Cheapest one-way ticket price THB 2,010
Cheapest return ticket price THB 4,210

FAQs for O'Hare International Airport to Dulles International Airport Flights

  • How long is the flight from O'Hare International Airport to Dulles International Airport?

    O'Hare International Airport to Dulles International Airport takes about 1 hour 44 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 7 daily flights from O'Hare International Airport (ORD) to Dulles International Airport (IAD).
  • The earliest flight from O'Hare International Airport to Dulles International Airport departs at 06:30, and the last departs at 21:52, with about 13 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from O'Hare International Airport (ORD) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around THB 9,210 in October, the most expensive month to book this route.
  • The earliest flight departs from O'Hare International Airport (ORD) at 08:50 and arrives in Dulles International Airport (IAD) at 11:55.
  • The latest flight departs from O'Hare International Airport (ORD) at 21:20 and arrives in Dulles International Airport (IAD) at 00:21.
  • United Airlines is a very popular airline operating an average of 3767 flights per month.
  • One-way flights from O'Hare International Airport to Dulles International Airport currently start from THB 2,010, and round-trip fares start from THB 4,210. The current lowest fare is a Frontier Airlines flight departing on Wed, Oct 21; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from O'Hare International Airport to Dulles International Airport, with an average flight time of 2 hours 12 minutes, and around 63 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 O'Hare International Airport to Dulles International Airport is THB 6,230. Prices may vary depending on the departure date, airline, and availability.
  • O'Hare International Airport to Dulles International Airport operates around 63 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter O'Hare 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.

Book with no extra fees

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.