฿3,416+ Cheap flights from Chicago O'Hare Intl Airport
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
What to know about flights from O'Hare Intl
Discover essential information about flights departing from O'Hare Intl, including flight schedules, destinations, airlines operating at the O'Hare Intl airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 31 August 2025.
Good round-trip deal | ฿11,946 or less |
|---|---|
Good one-way deal | ฿2,624 or less |
Find flights from O'Hare Intl
Cheapest flights from O'Hare IntlExplore the most affordable flight options available from O'Hare Intl. Find the lowest fares based on data from user searches, with prices last updated on 31 August 2025.
Explore the most affordable flight options available from O'Hare Intl. Find the lowest fares based on data from user searches, with prices last updated on 31 August 2025.
Find flights from O'Hare Intl within your budget
Fly to
Route
Depart
Return
Price
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Thu 25/9
05:10-12:55
1 stop6h 45m
Washington, D.C. Dulles Intl
Sun 28/9
13:55-00:10
1 stop11h 15m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Wed 1/10
08:50-11:55
Nonstop2h 05m
Washington, D.C. Dulles Intl
Wed 8/10
18:50-19:58
Nonstop2h 08m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Tue 21/10
08:50-11:55
Nonstop2h 05m
Washington, D.C. Dulles Intl
Wed 22/10
18:50-19:58
Nonstop2h 08m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Wed 1/10
10:45-13:51
Nonstop2h 06m
Washington, D.C. Dulles Intl
Wed 1/10
18:50-19:58
Nonstop2h 08m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Tue 7/10
12:55-15:57
Nonstop2h 02m
Washington, D.C. Dulles Intl
Wed 8/10
18:50-19:58
Nonstop2h 08m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Wed 5/11
21:10-23:59
Nonstop1h 49m
Washington, D.C. Dulles Intl
Wed 12/11
22:35-23:43
Nonstop2h 08m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Wed 1/10
08:50-11:55
Nonstop2h 05m
Washington, D.C. Dulles Intl
Wed 22/10
06:30-07:41
Nonstop2h 11m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Tue 7/10
08:50-11:55
Nonstop2h 05m
Washington, D.C. Dulles Intl
Tue 14/10
18:50-19:58
Nonstop2h 08m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Sat 18/10
12:55-15:57
Nonstop2h 02m
Washington, D.C. Dulles Intl
Tue 21/10
18:50-19:58
Nonstop2h 08m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Thu 16/10
21:20-00:21
Nonstop2h 01m
Washington, D.C. Dulles Intl
Mon 20/10
22:10-23:15
Nonstop2h 05m
Best time to book a flight from O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly from O'Hare Intl with our price prediction graph.
Travel insights for flights from O'Hare Intl
Get recent, data-driven insights about flights from O'Hare Intl including ideal travel times, pricing trends, and more.
When is the best time to book a flight from Chicago O'Hare Intl Airport?
Use this chart to determine the optimal time to book a return flight from O'Hare Intl to Suvarnabhumi. Price data was last updated on 29 August 2025.
Booking 7 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport?
Currently, May is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport (average of ฿21,299). Flying from Chicago O'Hare Intl Airport in June will prove the most costly (average of ฿30,675). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
Which airlines fly from Chicago O'Hare Intl Airport?
Only one airline operates round-trip flights from Chicago O'Hare Intl Airport: ANA. This airline flies to the following popular destinations: Bangkok.
What are popular destinations to fly to from Chicago O'Hare Intl Airport?
If you’re flying from Chicago O'Hare Intl Airport, these routes are more frequently taken by airlines New York (1,437 flights per day), Detroit (822 flights per day) and Los Angeles (671 flights per day).
What is the cheapest place to fly to from Chicago O'Hare Intl Airport?
The cheapest city to fly to from Chicago O'Hare Intl Airport is Las Vegas Harry Reid Intl, with prices starting at ฿2,054. Explore other affordable destinations below.
Airline reviews for flights from O'Hare Intl
Get insights into the airlines that provide service from O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from O'Hare Intl. In the last 7 days, Cheapflights users made a total of 17,341 searches.
Read through reviews of airlines serving Chicago O'Hare Intl Airport, such as ANA. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Boarding
Comfort
Overall
Food
Crew
Reviews
Anonymous,Aug 2025
SFO - NRT
Entertainment
Boarding
Comfort
Overall
Food
Crew
Reviews
Anonymous,Aug 2025
SFO - NRT
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Alternate flight departure points to O'Hare Intl
Consider leaving from one of these other departure points that are located a short distance from O'Hare Intl. Flight origins were last updated on 31 August 2025.
Related info for your journey
Access useful and relevant information related to your journey from O'Hare Intl. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 31 August 2025.
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