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฿2,790+ 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 30/1. 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
25 Jan — 1 Feb1
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 26 December 2025.

Good round-trip deal

฿6,590 or less

Good one-way deal

฿2,524 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

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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 26 December 2025.

Sun 18/108:52ORD - IAD
Nonstop1h 54mUnited Airlines
Sun 18/122:28IAD - ORD
Nonstop2h 11mUnited Airlines
Deal found 24/12฿6,912
Wed 21/108:45ORD - IAD
Nonstop1h 54mUnited Airlines
Wed 28/117:17IAD - ORD
Nonstop2h 20mUnited Airlines
Deal found 24/12฿7,160
Sat 17/112:30ORD - IAD
1 stop5h 26mเดลต้า
Sun 18/106:20IAD - ORD
1 stop4h 47mเดลต้า
Deal found 24/12฿7,532
Thu 15/114:35ORD - IAD
Nonstop2h 00mUnited Airlines
Sun 18/108:20IAD - ORD
Nonstop2h 23mUnited Airlines
Deal found 24/12฿7,594
Tue 20/110:29ORD - IAD
1 stop7h 40mเดลต้า
Tue 27/112:32IAD - ORD
1 stop5h 25mเดลต้า
Deal found 25/12฿7,656
Sat 24/113:00ORD - IAD
Nonstop2h 00mUnited Airlines
Mon 2/208:20IAD - ORD
Nonstop2h 23mUnited Airlines
Deal found 24/12฿7,718
Mon 9/317:45ORD - IAD
Nonstop1h 52mUnited Airlines
Wed 11/317:26IAD - ORD
Nonstop2h 25mUnited Airlines
Deal found 24/12฿7,749
Wed 21/118:00ORD - IAD
1 stop4h 06mเดลต้า
Wed 28/106:00IAD - ORD
1 stop4h 41mเดลต้า
Deal found 24/12฿7,780
Fri 20/213:02ORD - IAD
Nonstop2h 03mUnited Airlines
Sat 21/217:17IAD - ORD
Nonstop2h 24mUnited Airlines
Deal found 23/12฿8,059
Thu 15/111:05ORD - IAD
1 stop4h 41mเดลต้า
Sun 18/106:20IAD - ORD
1 stop4h 47mเดลต้า
Deal found 25/12฿8,214
Thu 15/113:00ORD - IAD
Nonstop2h 00mUnited Airlines
Thu 22/117:17IAD - ORD
Nonstop2h 20mUnited Airlines
Deal found 25/12฿8,276
Sat 21/217:37ORD - IAD
1 stop4h 32mเดลต้า
Mon 23/210:08IAD - ORD
1 stop7h 42mเดลต้า
Deal found 26/12฿8,338

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 26 December 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

Sun 18/1

05:30-11:37

1 stop5h 07m

Washington, D.C. Dulles Intl

Sun 18/1

17:26-21:05

1 stop4h 39m

฿7,532

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Mon 9/3

17:45-20:37

Nonstop1h 52m

Washington, D.C. Dulles Intl

Wed 11/3

17:26-18:51

Nonstop2h 25m

฿7,749

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Sat 17/1

12:30-18:56

1 stop5h 26m

Washington, D.C. Dulles Intl

Mon 19/1

06:00-10:07

1 stop5h 07m

฿8,214

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Thu 15/1

12:00-17:17

1 stop4h 17m

Washington, D.C. Dulles Intl

Sun 18/1

07:00-11:47

1 stop5h 47m

฿8,214

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Sun 18/1

06:50-11:49

1 stop3h 59m

Washington, D.C. Dulles Intl

Mon 19/1

06:00-10:07

1 stop5h 07m

฿8,214

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Mon 19/1

14:35-17:35

Nonstop2h 00m

Washington, D.C. Dulles Intl

Mon 19/1

22:28-23:39

Nonstop2h 11m

฿8,276

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Sat 23/5

11:15-14:03

Nonstop1h 48m

Washington, D.C. Dulles Intl

Thu 28/5

22:07-23:12

Nonstop2h 05m

฿8,338

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Thu 14/5

21:13-23:57

Nonstop1h 44m

Washington, D.C. Dulles Intl

Tue 19/5

08:15-09:33

Nonstop2h 18m

฿8,338

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Sat 30/5

21:13-23:57

Nonstop1h 44m

Washington, D.C. Dulles Intl

Tue 9/6

06:20-07:23

Nonstop2h 03m

฿8,338

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Wed 11/3

07:10-11:32

1 stop3h 22m

Washington, D.C. Dulles Intl

Mon 16/3

17:19-20:14

1 stop3h 55m

฿8,369

Flights are sorted by cheapest return flights first.

Deals found on 26/12

Showing 1-10 of 60 results
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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 19 December 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 ฿19,899). Flying from Chicago in June will prove the most costly (average of ฿28,454). 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 ฿21,224

What are popular destinations to fly to from Chicago?

If you’re flying from Chicago, these routes are more frequently taken by airlines Orlando (938 flights per day), New York (820 flights per day) and Detroit (818 flights per day).

Dallas/Fort Worth
Dallas/Fort Worth
From ฿11,638
New York
New York
From ฿6,590
Doha Hamad Intl
Doha Hamad Intl
From ฿64,199

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 ฿1,976. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From ฿1,976
Salt Lake City
Salt Lake City
From ฿6,276
New York
New York
From ฿6,590

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 and United Airlines 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
1,044 reviews
Check prices

Boarding

8.6

Entertainment

7.9

Food

7.7

Comfort

8.2

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
ANA
8.4
Very Good
1,044 reviews
ANA
8.4
Very Good
1,044 reviews
Check prices

Boarding

8.6

Entertainment

7.9

Food

7.7

Comfort

8.2

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
United Airlines
7.4
Good
9,115 reviews
ANA
8.4
Very Good
1,044 reviews
Check prices

Boarding

8.6

Entertainment

7.9

Food

7.7

Comfort

8.2

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

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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 26 December 2025.

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

    The most selected flight destinations from Chicago for the current month are Ahmedabad, Mumbai, Atlanta. 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 ฿19,620; whereas Chicago Midway airport is typically cheaper if you're flying to Bangkok, from ฿28,113. 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 ฿19,620

  • 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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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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