Explore the cheapest one-way and round-trip flights from O'Hare International Airport to San Diego International Airport over the next 90 days, with one-way fares from BRL 425 and round-trip from BRL 1,020. Based on Trip.com's latest 7-day flight data.

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

What is the cheapest month to fly from O'Hare International Airport to San Diego 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 San Diego 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 San Diego International Airport, the best time to buy is in February, with an average price of BRL 609. You’ll want to avoid December, when the average price can reach as high as BRL 1,187.

BRL 1,187
BRL 898
BRL 609
BRL 320
    Cheapest
  • BRL 834
    Oct
  • BRL 1,024
    Nov
  • BRL 1,187
    Dec
  • BRL 884
    Jan
  • BRL 609
    Feb
  • BRL 1,066
    Mar
  • BRL 952
    Apr
  • BRL 947
    May
  • BRL 923
    Jun
  • BRL 1,101
    Jul
  • BRL 1,039
    Aug
  • BRL 876
    Sep

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

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

Based on Trip.com’s data from the past 12 months, February is typically the cheapest month to find flights from O'Hare International Airport to San Diego International Airport, with an average price of BRL 897. In contrast, March is usually the most expensive month, with average fares reaching BRL 2,067.

BRL 2,067
BRL 1,482
BRL 897
BRL 312
    Cheapest
  • BRL 955
    Oct
  • BRL 1,033
    Nov
  • BRL 1,623
    Dec
  • BRL 985
    Jan
  • BRL 897
    Feb
  • BRL 2,067
    Mar
  • BRL 1,604
    Apr
  • BRL 1,050
    May
  • BRL 1,772
    Jun
  • BRL 1,797
    Jul
  • BRL 1,892
    Aug
  • BRL 1,759
    Sep

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

The data is based on the past 12 months and shows the average ticket prices from O'Hare International Airport to San Diego 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 San Diego 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.

BRL 1,355
BRL 1,032
BRL 709
BRL 386
    Cheapest
  • BRL 898
    Mon
  • BRL 872
    Tue
  • BRL 709
    Wed
  • BRL 954
    Thu
  • BRL 1,024
    Fri
  • BRL 1,036
    Sat
  • BRL 1,355
    Sun

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

The cheapest airline flying from O'Hare International Airport to San Diego International Airport is Frontier Airlines (from BRL 425) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From BRL 425
Alaska Airlines
From BRL 523
Delta Air Lines
From BRL 544
American Airlines
From BRL 597
United Airlines
From BRL 751
Sun Country Airlines
From BRL 1,716

Find more flights and airlines

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

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

Flight info.
Departure
Arrival
Weekly Schedule
  1. AA1861

    19:00

    ORD

    4h 30m

    21:30

    SAN

    S M T W T F S
    Search
  2. AS1470

    07:20

    ORD

    4h 36m

    09:56

    SAN

    S M T W T F S
    Search
  3. AS1447

    14:13

    ORD

    4h 47m

    17:00

    SAN

    S M T W T F S
    Search
  4. DL1687

    08:05

    ORD

    1h 57m

    Direct

    11:02

    ATL

    S M T W T F S
    Search
  5. DL843

    13:55

    ATL

    4h 46m

    Direct

    15:41

    SAN

    S M T W T F S
  6. F91483

    07:25

    ORD

    3h 9m

    Direct

    09:34

    DEN

    S M T W T F S
    Search
  7. F92817

    15:04

    DEN

    2h 30m

    Direct

    16:34

    SAN

    S M T W T F S
  8. F91341

    06:00

    ORD

    2h 41m

    Direct

    08:41

    DFW

    S M T W T F S
    Search
  9. F91769

    07:10

    DFW

    3h 27m

    Direct

    08:37

    SAN

    S - - - T - S
  10. F91483

    07:25

    ORD

    3h 9m

    Direct

    09:34

    DEN

    S M T W T F S
    Search
  11. F92711

    22:29

    DEN

    2h 28m

    Direct

    23:57

    SAN

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

About O'Hare International Airport and San Diego International Airport

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

Flight distance 2,771.81km
Cheapest one-way ticket price BRL 425
Cheapest return ticket price BRL 1,020

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

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

    O'Hare International Airport to San Diego International Airport takes about 3 hours 55 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 11 daily flights from O'Hare International Airport (ORD) to San Diego International Airport (SAN).
  • The earliest flight from O'Hare International Airport to San Diego International Airport departs at 05:30, and the last departs at 21:05, with about 19 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 San Diego International Airport (SAN) is quite popular. Without considering departure times or holidays, tickets cost around BRL 1,334 in October, the most expensive month to book this route.
  • The earliest flight departs from O'Hare International Airport (ORD) at 06:50 and arrives in San Diego International Airport (SAN) at 09:12.
  • The latest flight departs from O'Hare International Airport (ORD) at 21:33 and arrives in San Diego International Airport (SAN) at 23:59.
    • The distance from San Diego International Airport to downtown is about 3km, by taxi about 20 minutes.
    • The distance from McClellan-Palomar Airport to downtown is about 47km, by taxi about 1 hour.
  • United Airlines is a very popular airline operating an average of 5447 flights per month.
  • One-way flights from O'Hare International Airport to San Diego International Airport currently start from BRL 425, and round-trip fares start from BRL 1,020. 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 O'Hare International Airport to San Diego International Airport, with an average flight time of 4 hours 1 minute, 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 O'Hare International Airport to San Diego International Airport is BRL 1,014. Prices may vary depending on the departure date, airline, and availability.
  • O'Hare International Airport to San Diego International Airport operates around 97 weekly flights, mainly by United Airlines, American Airlines and Alaska Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter O'Hare International Airport and San Diego 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.

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.