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San Diego International Airport to O'Hare International Airport flight

Explore the cheapest one-way and round-trip flights from San Diego International Airport to O'Hare International Airport over the next 90 days, with one-way fares from AU$ 152 and round-trip from AU$ 169. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SAN 07:00
        4h 25m
        Direct
        ORD 13:25
        San Diego - Chicago | Wed, Oct 7 | Alaska Airlines
        MDW 20:55
        4h 20m
        Direct
        SAN 23:15
        Chicago - San Diego | Wed, Oct 14 |
        AU$ 293 AU$ 397
        26% off
        26% off
        AU$ 397 AU$ 293
      • SAN 07:00
        4h 25m
        Direct
        ORD 13:25
        San Diego - Chicago | Tue, Oct 6 | Alaska Airlines
        MDW 20:55
        4h 20m
        Direct
        SAN 23:15
        Chicago - San Diego | Tue, Oct 13 |
        AU$ 294 AU$ 397
        26% off
        26% off
        AU$ 397 AU$ 294
      • SAN 13:12
        4h 30m
        Direct
        ORD 19:42
        San Diego - Chicago | Wed, Oct 7 | American Airlines
        MDW 20:55
        4h 20m
        Direct
        SAN 23:15
        Chicago - San Diego | Wed, Oct 14 |
        AU$ 301 AU$ 397
        24% off
        24% off
        AU$ 397 AU$ 301
      • SAN 06:25
        15h 56m
        1 stop
        ORD 00:21
        San Diego - Chicago | Sat, Nov 7 | Frontier Airlines
        ORD 06:30
        19h 27m
        1 stop
        SAN 23:57
        Chicago - San Diego | Sat, Nov 14 | Frontier Airlines
        AU$ 169
        56% off
        AU$ 397 AU$ 169
      • SAN 06:25
        15h 56m
        1 stop
        ORD 00:21
        San Diego - Chicago | Wed, Nov 11 | Frontier Airlines
        ORD 06:30
        19h 27m
        1 stop
        SAN 23:57
        Chicago - San Diego | Sat, Nov 14 | Frontier Airlines
        AU$ 236
        41% off
        AU$ 397 AU$ 236
      • SAN 06:25
        15h 56m
        1 stop
        ORD 00:21
        San Diego - Chicago | Wed, Nov 4 | Frontier Airlines
        ORD 06:30
        11h 28m
        1 stop
        SAN 15:58
        Chicago - San Diego | Sat, Nov 7 | Frontier Airlines
        AU$ 248
        38% off
        AU$ 397 AU$ 248
      • SAN 06:25
        15h 59m
        1 stop
        ORD 00:24
        San Diego - Chicago | Wed, Oct 21 | Frontier Airlines
        ORD 22:40
        27h 19m
        1 stop
        SAN 23:59
        Chicago - San Diego | Thu, Oct 29 | Frontier Airlines
        AU$ 255
        36% off
        AU$ 397 AU$ 255
      • SAN 06:25
        15h 56m
        1 stop
        ORD 00:21
        San Diego - Chicago | Thu, Oct 29 | Frontier Airlines
        ORD 06:30
        19h 27m
        1 stop
        SAN 23:57
        Chicago - San Diego | Sat, Oct 31 | Frontier Airlines
        AU$ 277
        30% off
        AU$ 397 AU$ 277
      • SAN 12:00
        7h 27m
        1 stop
        ORD 21:27
        San Diego - Chicago | Sat, Nov 7 | Delta Air Lines
        ORD 06:30
        19h 27m
        1 stop
        SAN 23:57
        Chicago - San Diego | Sat, Nov 14 | Frontier Airlines
        AU$ 284
        28% off
        AU$ 397 AU$ 284
      • SAN 06:25
        15h 56m
        1 stop
        ORD 00:21
        San Diego - Chicago | Sat, Oct 31 | Frontier Airlines
        ORD 06:30
        19h 27m
        1 stop
        SAN 23:57
        Chicago - San Diego | Tue, Nov 3 | Frontier Airlines
        AU$ 287
        28% off
        AU$ 397 AU$ 287
      • SAN 07:00
        4h 25m
        Direct
        ORD 13:25
        San Diego - Chicago | Sat, Oct 24 | Alaska Airlines
        ORD 06:30
        19h 27m
        1 stop
        SAN 23:57
        Chicago - San Diego | Sat, Oct 31 | Frontier Airlines
        AU$ 291
        27% off
        AU$ 397 AU$ 291
      • SAN 20:48
        6h 47m
        1 stop
        ORD 05:35
        San Diego - Chicago | Mon, Nov 9 | Frontier Airlines
        ORD 11:06
        6h 35m
        1 stop
        SAN 15:41
        Chicago - San Diego | Tue, Nov 10 | Frontier Airlines
        AU$ 300
        24% off
        AU$ 397 AU$ 300
      • SAN 13:00
        17h 25m
        1 stop
        CHI 14:00
        San Diego - Chicago | Wed, Oct 7 | Normal Airline
        CHI 15:00
        6h
        Direct
        SAN 16:00
        Chicago - San Diego | Fri, Oct 9 | Normal Airline
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      • Cheapest nonstop
        SAN 12:35
        4h 18m
        Direct
        ORD 18:53
        San Diego - Chicago | Sun, Nov 1 | Alaska Airlines
        AU$ 179 AU$ 237
        24% off
        24% off
        AU$ 237 AU$ 179
      • SAN 12:41
        4h 18m
        Direct
        ORD 18:59
        San Diego - Chicago | Wed, Nov 4 | Alaska Airlines
        AU$ 180 AU$ 237
        24% off
        24% off
        AU$ 237 AU$ 180
      • SAN 06:25
        15h 59m
        1 stop
        ORD 00:24
        San Diego - Chicago | Sat, Oct 10 | Frontier Airlines
        AU$ 152 AU$ 237
        36% off
        36% off
        AU$ 237 AU$ 152
      • SAN 06:25
        15h 56m
        1 stop
        ORD 00:21
        San Diego - Chicago | Tue, Nov 3 | Frontier Airlines
        AU$ 164
        31% off
        AU$ 237 AU$ 164
      • SAN 06:25
        15h 56m
        1 stop
        ORD 00:21
        San Diego - Chicago | Wed, Nov 4 | Frontier Airlines
        AU$ 164
        31% off
        AU$ 237 AU$ 164
      • SAN 06:25
        15h 59m
        1 stop
        ORD 00:24
        San Diego - Chicago | Wed, Oct 21 | Frontier Airlines
        AU$ 165
        30% off
        AU$ 237 AU$ 165
      • SAN 20:32
        6h 41m
        1 stop
        ORD 05:13
        San Diego - Chicago | Mon, Nov 16 | Frontier Airlines
        AU$ 170
        28% off
        AU$ 237 AU$ 170
      • SAN 20:32
        6h 41m
        1 stop
        ORD 05:13
        San Diego - Chicago | Thu, Oct 29 | Frontier Airlines
        AU$ 171
        28% off
        AU$ 237 AU$ 171
      • SAN 20:32
        6h 41m
        1 stop
        ORD 05:13
        San Diego - Chicago | Thu, Nov 19 | Frontier Airlines
        AU$ 171
        28% off
        AU$ 237 AU$ 171
      • SAN 09:32
        7h 36m
        1 stop
        ORD 19:08
        San Diego - Chicago | Mon, Nov 2 | Frontier Airlines
        AU$ 171
        28% off
        AU$ 237 AU$ 171
      • SAN 14:01
        8h 58m
        1 stop
        ORD 00:59
        San Diego - Chicago | Mon, Oct 19 | Frontier Airlines
        AU$ 173
        27% off
        AU$ 237 AU$ 173
      • SAN 06:25
        15h 56m
        1 stop
        ORD 00:21
        San Diego - Chicago | Sat, Oct 31 | Frontier Airlines
        AU$ 177
        25% off
        AU$ 237 AU$ 177
      • SAN 06:25
        15h 56m
        1 stop
        ORD 00:21
        San Diego - Chicago | Tue, Nov 17 | Frontier Airlines
        AU$ 177
        25% off
        AU$ 237 AU$ 177
      • SAN 06:25
        15h 56m
        1 stop
        ORD 00:21
        San Diego - Chicago | Sat, Nov 14 | Frontier Airlines
        AU$ 178
        25% off
        AU$ 237 AU$ 178
      • SAN 13:00
        17h 25m
        1 stop
        CHI 14:00
        San Diego - Chicago | Wed, Oct 7 | Normal Airline
        Find more flights
        Find more flights

Flight fares from San Diego International Airport to O'Hare 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 San Diego International Airport to O'Hare International Airport

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

The data is based on the past 12 months and shows the average one-way ticket prices from San Diego International Airport to O'Hare 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 San Diego International Airport to O'Hare International Airport, the best time to buy is in December, with an average price of AU$ 193. You’ll want to avoid April, when the average price can reach as high as AU$ 375.

AU$ 375
AU$ 284
AU$ 193
AU$ 102
    Cheapest
  • AU$ 254
    Oct
  • AU$ 222
    Nov
  • AU$ 193
    Dec
  • AU$ 333
    Jan
  • AU$ 232
    Feb
  • AU$ 278
    Mar
  • AU$ 375
    Apr
  • AU$ 364
    May
  • AU$ 313
    Jun
  • AU$ 321
    Jul
  • AU$ 279
    Aug
  • AU$ 266
    Sep

What’s the cheapest month to fly round-trip from San Diego International Airport to O'Hare International Airport?

The data is based on the past 12 months and shows the average monthly round-trip fares from San Diego International Airport to O'Hare International Airport in the Trip.com database.

Based on Trip.com’s data from the past 12 months, December is typically the cheapest month to find flights from San Diego International Airport to O'Hare International Airport, with an average price of AU$ 287. In contrast, March is usually the most expensive month, with average fares reaching AU$ 944.

AU$ 944
AU$ 616
AU$ 287
0
    Cheapest
  • AU$ 341
    Oct
  • AU$ 438
    Nov
  • AU$ 287
    Dec
  • AU$ 349
    Jan
  • AU$ 321
    Feb
  • AU$ 944
    Mar
  • AU$ 339
    Apr
  • AU$ 431
    May
  • AU$ 687
    Jun
  • AU$ 677
    Jul
  • AU$ 552
    Aug
  • AU$ 421
    Sep

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

The data is based on the past 12 months and shows the average ticket prices from San Diego International Airport to O'Hare 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 San Diego International Airport to O'Hare International Airport is Thursday, 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$ 315
AU$ 273
AU$ 231
AU$ 189
    Cheapest
  • AU$ 266
    Mon
  • AU$ 299
    Tue
  • AU$ 268
    Wed
  • AU$ 231
    Thu
  • AU$ 306
    Fri
  • AU$ 275
    Sat
  • AU$ 315
    Sun

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

The cheapest airline flying from San Diego International Airport to O'Hare International Airport is Frontier Airlines (from AU$ 152) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From AU$ 152
Alaska Airlines
From AU$ 179
American Airlines
From AU$ 186
Delta Air Lines
From AU$ 195
United Airlines
From AU$ 236

Find more flights and airlines

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

Check the schedule for flights from San Diego to Chicago and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS1478

    San Diego International Airport

    12:35

    SAN

    4h 18m

    18:53

    ORD

    S M T W T F S
    Search

  2. AS1446

    San Diego International Airport

    07:00

    SAN

    4h 15m

    13:15

    ORD

    S M T W T F S
    Search

  3. AA518

    San Diego International Airport

    06:15

    SAN

    4h 28m

    12:43

    ORD

    S M T W T F S
    Search

  4. F91326

    San Diego International Airport

    08:50

    SAN

    1h 29m

    Direct

    10:19

    LAS

    S - - W T F S
    Search

  5. F92146

    Harry Reid International Airport

    23:50

    LAS

    3h 48m

    Direct

    05:38

    ORD

    S M T W T F S

  6. F91426

    San Diego International Airport

    10:05

    SAN

    3h 20m

    Direct

    15:25

    DFW

    - - - W T - S
    Search

  7. F93242

    Dallas Fort Worth International Airport

    16:28

    DFW

    2h 40m

    Direct

    19:08

    ORD

    S M T - - - -

  8. F94578

    San Diego International Airport

    14:01

    SAN

    1h 27m

    Direct

    15:28

    PHX

    - - - W T F S
    Search

  9. F91828

    Phoenix Sky Harbor International Airport

    06:30

    PHX

    3h 30m

    Direct

    11:00

    ORD

    - - - W T - S

  10. F93383

    San Diego International Airport

    19:51

    SAN

    1h 55m

    Direct

    21:46

    SFO

    - - T W T F S
    Search

  11. F92858

    San Francisco International Airport

    21:20

    SFO

    1h 27m

    Direct

    22:47

    LAX

    S - - W T F S

  12. F92446

    Los Angeles International Airport

    23:59

    LAX

    4h 15m

    Direct

    06:14

    ORD

    - - - W T F S

  13. F92818

    San Diego International Airport

    06:30

    SAN

    2h 34m

    Direct

    10:04

    DEN

    S M T W T F S
    Search

  14. F93174

    Denver International Airport

    20:55

    DEN

    2h 26m

    Direct

    00:21

    ORD

    S M - W T F S
Find more flights and airlines

About San Diego International Airport and O'Hare International Airport

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

Flight distance 2,771.81km
Cheapest one-way ticket price AU$ 152
Cheapest return ticket price AU$ 169

FAQs for San Diego International Airport to O'Hare International Airport Flights

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

    San Diego International Airport to O'Hare International Airport takes about 3 hours 39 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 11 daily flights from San Diego International Airport (SAN) to O'Hare International Airport (ORD).
  • The earliest flight from San Diego International Airport to O'Hare International Airport departs at 06:15, and the last departs at 22:46, with about 17 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from San Diego International Airport (SAN) to O'Hare International Airport (ORD) is quite popular. Without considering departure times or holidays, tickets cost around AU$ 399 in October, the most expensive month to book this route.
  • The earliest flight departs from San Diego International Airport (SAN) at 07:00 and arrives in O'Hare International Airport (ORD) at 12:55.
    • The distance from O'Hare International Airport to downtown is about 25km, by taxi about 40 minutes.
    • The distance from Chicago Midway International Airport to downtown is about 14km, by taxi about 30 minutes.
  • The closest airport to O'Hare International Airport (ORD) is Chicago Midway International Airport. The distance is around 25km.
  • American Airlines is a very popular airline operating an average of 4181 flights per month.
  • One-way flights from San Diego International Airport to O'Hare International Airport currently start from AU$ 152, and round-trip fares start from AU$ 169. The current lowest fare is a Frontier Airlines flight departing on Sat, Oct 10; prices may vary depending on availability.
  • Yes. United Airlines, American Airlines and Alaska Airlines operate direct flights from San Diego International Airport to O'Hare International Airport, with an average flight time of 3 hours 41 minutes, and around 94 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 San Diego International Airport to O'Hare International Airport is AU$ 272. Prices may vary depending on the departure date, airline, and availability.
  • San Diego International Airport to O'Hare International Airport operates around 95 weekly flights, mainly by United Airlines, American Airlines and Alaska Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter San Diego International Airport and O'Hare 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.