฿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.
ORD — BKK
5 Sep — 12 Sep1
1 adult

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
Price to beat on a round-trip flight from Chicago O'Hare Intl.
Price to beat on a one-way flight from Chicago O'Hare Intl.

Find flights from O'Hare Intl

Cheapest flights from O'Hare Intl
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.

Thu 25/905:10ORD - IAD
1 stop6h 45mฟรอนเทียร์แอร์ไลน์
Sun 28/913:55IAD - ORD
1 stop11h 15mฟรอนเทียร์แอร์ไลน์
Deal found 29/8฿4,898
Wed 1/1008:50ORD - IAD
Nonstop2h 05mUnited Airlines
Wed 8/1018:50IAD - ORD
Nonstop2h 08mUnited Airlines
Deal found 29/8฿6,799
Sat 18/1012:55ORD - IAD
Nonstop2h 02mUnited Airlines
Tue 21/1018:50IAD - ORD
Nonstop2h 08mUnited Airlines
Deal found 28/8฿6,896
Thu 18/912:50ORD - IAD
Nonstop2h 02mUnited Airlines
Mon 22/908:20IAD - ORD
Nonstop2h 16mUnited Airlines
Deal found 28/8฿6,992
Wed 1/1010:45ORD - IAD
Nonstop2h 06mUnited Airlines
Thu 2/1006:30IAD - ORD
Nonstop2h 11mUnited Airlines
Deal found 29/8฿7,024
Thu 25/912:55ORD - IAD
Nonstop2h 02mUnited Airlines
Sat 27/922:10IAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 29/8฿7,250
Mon 24/1111:42ORD - IAD
1 stop23h 00mซันคันทรี่แอร์ไลน์
Wed 26/1112:50IAD - ORD
1 stop20h 30mซันคันทรี่แอร์ไลน์
Deal found 30/8฿7,379
Tue 30/907:10ORD - IAD
1 stop3h 18mเดลต้า
Tue 30/917:00IAD - ORD
1 stop4h 20mเดลต้า
Deal found 30/8฿7,443
Mon 3/1116:56ORD - IAD
1 stop5h 04mเดลต้า
Wed 5/1106:05IAD - ORD
1 stop4h 18mเดลต้า
Deal found 29/8฿7,669
Wed 1/1006:00ORD - IAD
1 stop9h 28mUnited Airlines
Wed 1/1018:50IAD - ORD
Nonstop2h 08mUnited Airlines
Deal found 30/8฿7,798
Mon 24/1110:46ORD - IAD
1 stop4h 37mเดลต้า
Thu 27/1106:00IAD - ORD
1 stop7h 04mเดลต้า
Deal found 30/8฿7,894
Fri 10/1012:55ORD - IAD
Nonstop2h 02mUnited Airlines
Tue 14/1022:10IAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 29/8฿7,927

Find flights from O'Hare Intl within your budget

 
Find flights departing from O'Hare Intl that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 31 August 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

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

฿4,898

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

฿6,799

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

฿6,799

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

฿6,799

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

฿6,799

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

฿6,799

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

฿6,799

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

฿6,799

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

฿6,896

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

฿6,992

Flights are sorted by cheapest return flights first.

Deals found on 29/8

Showing 1-10 of 60 results
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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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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.

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

7.9

Boarding

8.6

Comfort

8.2

Overall

8.4

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
8.4
Very Good

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Overall

8.4

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

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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.
  • What are the most popular destinations to fly to from Chicago O'Hare Intl Airport?

    The most selected flight destinations from Chicago O'Hare Intl Airport for the current month are Athens, Boston, Atlanta. While Ahmedabad, Mumbai, Athens are the top choices made by travellers year-round.

  • What is the cheapest flight from Chicago O'Hare Intl Airport to anywhere?

    Users have flown out of Chicago O'Hare Intl Airport for as low as ฿2,054 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿10,661 to fly from Chicago O'Hare Intl Airport.

  • What is the cheapest premium economy flight from Chicago O'Hare Intl Airport?

    If you're looking for an elevated level of comfort for your next adventure, premium economy flights from Chicago O'Hare Intl Airport may suit your needs. The cheapest premium economy flights from Chicago O'Hare Intl Airport are:
    Fly Chicago O'Hare Intl to Taipei City Taiwan Taoyuan Intl Airport from ฿75,551
    Fly Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl Airport from ฿85,267

  • What is the cheapest month to fly from Chicago O'Hare Intl Airport?

    At the present moment the cheapest month to fly from Chicago O'Hare Intl Airport is currently May; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Chicago O'Hare Intl Airport?

    Here are some of the cheapest flight destinations from Chicago O'Hare Intl Airport:
    Fly from Chicago to Bangkok from ฿20,139
    Fly from Chicago to Phuket City from ฿20,268

  • How does Cheapflights help users find flights from O'Hare Intl?

    When you search for this flight from O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

  • Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl?

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from O'Hare Intl.

  • Can Cheapflights find flights from O'Hare Intl with no change fees?

    Certainly. Search results for flights from O'Hare Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from O'Hare Intl become cheaper?

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from O'Hare Intl today and book when you’re ready!

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How does Cheapflights help users find flights from O'Hare Intl?

When you search for this flight from O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from O'Hare Intl.

Can Cheapflights find flights from O'Hare Intl with no change fees?

Certainly. Search results for flights from O'Hare Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from O'Hare Intl become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from O'Hare Intl today and book when you’re ready!

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