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฿3,211+ Cheap flights from Chicago

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. 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.
CHI — BKK
22 Dec — 29 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Chicago

Discover essential information about flights departing from Chicago, including flight schedules, destinations, airlines operating at the Chicago 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 22 November 2025.

Good round-trip deal

฿6,896 or less

Good one-way deal

฿2,641 or less
Price to beat on a round-trip flight from Chicago.
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Price to beat on a one-way flight from Chicago.
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Find flights from Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Chicago
Explore the most affordable flight options available from Chicago. Find the lowest fares based on data from user searches, with prices last updated on 22 November 2025.

Sat 6/1208:45ORD - IAD
Nonstop1h 59mUnited Airlines
Sat 6/1217:15IAD - ORD
Nonstop2h 15mUnited Airlines
Deal found 21/11฿7,492
Wed 24/1221:15ORD - IAD
Nonstop2h 00mUnited Airlines
Thu 1/113:00IAD - ORD
Nonstop2h 20mUnited Airlines
Deal found 20/11฿7,687
Tue 6/114:35ORD - IAD
Nonstop2h 00mUnited Airlines
Sat 10/122:28IAD - ORD
Nonstop2h 11mUnited Airlines
Deal found 21/11฿7,719
Thu 25/1221:15ORD - IAD
Nonstop2h 00mUnited Airlines
Thu 8/122:28IAD - ORD
Nonstop2h 11mUnited Airlines
Deal found 20/11฿7,817
Thu 8/118:17ORD - IAD
Nonstop2h 00mUnited Airlines
Mon 12/122:28IAD - ORD
Nonstop2h 11mUnited Airlines
Deal found 20/11฿7,946
Sat 13/1218:15ORD - IAD
Nonstop2h 03mUnited Airlines
Tue 16/1222:35IAD - ORD
Nonstop2h 08mUnited Airlines
Deal found 21/11฿8,109
Wed 14/106:50ORD - IAD
1 stop3h 59mเดลต้า
Tue 20/119:30IAD - ORD
1 stop5h 26mเดลต้า
Deal found 21/11฿8,141
Sun 18/106:50ORD - IAD
1 stop3h 59mเดลต้า
Wed 21/110:11IAD - ORD
1 stop7h 44mเดลต้า
Deal found 19/11฿8,238
Thu 25/1216:01ORD - IAD
1 stop5h 12mเดลต้า
Thu 1/106:00IAD - ORD
1 stop4h 01mเดลต้า
Deal found 20/11฿8,336
Tue 6/105:30ORD - IAD
1 stop7h 29mเดลต้า
Sat 10/106:00IAD - ORD
1 stop4h 41mเดลต้า
Deal found 21/11฿8,368
Wed 10/1214:39ORD - IAD
Nonstop1h 51mUnited Airlines
Thu 11/1208:20IAD - ORD
Nonstop2h 16mUnited Airlines
Deal found 20/11฿8,433
Fri 20/217:37ORD - IAD
1 stop4h 34mเดลต้า
Mon 23/212:32IAD - ORD
1 stop5h 08mเดลต้า
Deal found 21/11฿8,465

Find flights from Chicago within your budget

 
Find flights departing from Chicago 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 22 November 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

Tue 9/12

08:45-11:44

Nonstop1h 59m

Washington, D.C. Dulles Intl

Tue 9/12

22:35-23:43

Nonstop2h 08m

฿7,492

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Tue 6/1

14:35-17:35

Nonstop2h 00m

Washington, D.C. Dulles Intl

Sat 10/1

22:28-23:39

Nonstop2h 11m

฿7,719

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Sat 13/12

13:16-21:29

1 stop7h 13m

Washington, D.C. Dulles Intl

Sat 17/1

17:59-23:59

1 stop7h 00m

฿8,141

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Thu 25/12

16:01-22:13

1 stop5h 12m

Washington, D.C. Dulles Intl

Thu 1/1

06:00-09:01

1 stop4h 01m

฿8,336

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Mon 2/3

06:30-11:52

1 stop4h 22m

Washington, D.C. Dulles Intl

Wed 4/3

12:32-16:40

1 stop5h 08m

฿8,368

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Tue 6/1

07:05-13:59

1 stop5h 54m

Washington, D.C. Dulles Intl

Tue 13/1

07:00-11:47

1 stop5h 47m

฿8,368

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Fri 2/1

18:21-21:21

Nonstop2h 00m

Washington, D.C. Dulles Intl

Wed 4/3

08:15-09:34

Nonstop2h 19m

฿8,433

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Fri 20/2

17:37-23:11

1 stop4h 34m

Washington, D.C. Dulles Intl

Mon 23/2

12:32-16:40

1 stop5h 08m

฿8,465

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Fri 2/1

21:15-00:15

Nonstop2h 00m

Washington, D.C. Dulles Intl

Thu 8/1

08:20-09:43

Nonstop2h 23m

฿8,660

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Tue 23/12

13:24-16:24

Nonstop2h 00m

Washington, D.C. Dulles Intl

Mon 29/12

06:30-07:47

Nonstop2h 17m

฿8,725

Flights are sorted by cheapest return flights first.

Deals found on 21/11

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Best time to book a flight from Chicago

Have a flexible travel schedule? Discover the best time to fly from Chicago 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 Chicago

Get recent, data-driven insights about flights from Chicago including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Chicago?

Use this chart to determine the optimal time to book a return flight from Chicago to Suvarnabhumi. Price data was last updated on 14 November 2025.

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago. 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?

Currently, August is the cheapest month in which you can book a flight from Chicago (average of ฿20,823). Flying from Chicago in June will prove the most costly (average of ฿28,283). 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?

Only one airline operates round-trip flights from Chicago: ANA. This airline flies to the following popular destinations: Bangkok.

ANA
ANA
From ฿22,210

What are popular destinations to fly to from Chicago?

If you’re flying from Chicago, these routes are more frequently taken by airlines New York (1,424 flights per day), Detroit (1,034 flights per day) and Atlanta (660 flights per day).

New York
New York
From ฿6,896
Doha Hamad Intl
Doha Hamad Intl
From ฿67,179
Salt Lake City
Salt Lake City
From ฿6,567

What is the cheapest place to fly to from Chicago?

The cheapest city to fly to from Chicago is Las Vegas Harry Reid Intl, with prices starting at ฿2,068. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From ฿2,068
Salt Lake City
Salt Lake City
From ฿6,567
New York
New York
From ฿6,896
Montreal
Montreal
From ฿9,143

Airline reviews for flights from Chicago

Get insights into the airlines that provide service from Chicago. 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 Chicago. In the last 7 days, Cheapflights users made a total of 17,341 searches.
Get a feel of what it's like to fly with ANA from Chicago by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very Good
1,009 reviews
Check prices

Crew

8.7

Overall

8.4

Entertainment

7.9

Comfort

8.2

Food

7.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
ANA
8.4
Very Good
1,009 reviews
ANA
8.4
Very Good
1,009 reviews
Check prices

Crew

8.7

Overall

8.4

Entertainment

7.9

Comfort

8.2

Food

7.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

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Related info for your journey

Access useful and relevant information related to your journey from Chicago. 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 22 November 2025.

  • What are the most popular destinations to fly to from Chicago?

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

  • Which is the cheapest airport to catch a flight from Chicago?

    Chicago O'Hare Intl airport offers the cheapest routes to Bangkok, from ฿21,796; whereas Chicago Midway airport is typically cheaper if you're flying to Bangkok, from ฿31,007. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from Chicago?

    At the present moment the cheapest month to fly from Chicago is currently August; 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?

    Here are some of the cheapest flight destinations from Chicago:
    Fly from Chicago to Bangkok from ฿21,796

  • How does Cheapflights help users find flights from Chicago?

    Cheapflights helps you search for flights from Chicago via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • Why should you use Cheapflights to find cheap flight tickets from Chicago?

    Cheapflights helps you find that perfect flight from Chicago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Chicago with no change fees?

    Yes! Cheapflights helps users easily find flights from Chicago with no change fees.

  • Can Cheapflights notify me if prices for flights from Chicago 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 Chicago today and book when you’re ready!

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How does Cheapflights help users find flights from Chicago?

Cheapflights helps you search for flights from Chicago via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Chicago?

Cheapflights helps you find that perfect flight from Chicago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Chicago with no change fees?

Yes! Cheapflights helps users easily find flights from Chicago with no change fees.

Can Cheapflights notify me if prices for flights from Chicago 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 Chicago today and book when you’re ready!

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