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Thailand (ภาษาไทย)
ภาษาไทย

฿3,297+ 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 4/11. 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
13 Oct — 20 Oct1
1 adult
1 adult, Economy

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 13 September 2025.

Good round-trip deal

฿6,741 or less

Good one-way deal

฿2,582 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

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 13 September 2025.

Wed 5/1111:15ORD - BKK
1 stop24h 30mKorean Air
Wed 12/1121:30BKK - ORD
1 stop24h 00mKorean Air
Deal found 11/9฿21,528
Mon 12/114:40ORD - BKK
1 stop32h 25mCathay Pacific
Mon 16/216:55BKK - ORD
1 stop33h 05mCathay Pacific
Deal found 12/9฿21,560
Wed 5/1111:15ORD - BKK
1 stop37h 10mKorean Air
Mon 10/1100:55BKK - ORD
1 stop20h 35mKorean Air
Deal found 11/9฿21,591
Tue 21/1016:00ORD - BKK
1 stop31h 05mCathay Pacific
Tue 11/1115:05BKK - ORD
1 stop34h 55mCathay Pacific
Deal found 12/9฿21,623
Mon 26/114:40ORD - BKK
1 stop31h 00mCathay Pacific
Sun 15/217:40BKK - ORD
1 stop32h 20mCathay Pacific
Deal found 12/9฿21,655
Tue 25/1114:40ORD - BKK
1 stop31h 00mCathay Pacific
Wed 24/1219:15BKK - ORD
1 stop30h 45mCathay Pacific
Deal found 10/9฿21,686
Thu 6/1114:40ORD - HKT
1 stop31h 40mCathay Pacific
Sun 16/1112:20HKT - ORD
1 stop37h 40mCathay Pacific
Deal found 12/9฿21,686
Wed 5/1114:40ORD - CNX
1 stop39h 10mCathay Pacific
Sun 16/1110:35CNX - ORD
1 stop39h 25mCathay Pacific
Deal found 11/9฿21,686
Thu 15/114:40ORD - BKK
1 stop32h 25mCathay Pacific
Mon 26/119:15BKK - ORD
1 stop30h 45mCathay Pacific
Deal found 10/9฿21,718
Thu 2/1016:00ORD - BKK
1 stop31h 30mCathay Pacific
Mon 13/1016:25BKK - ORD
1 stop34h 00mCathay Pacific
Deal found 11/9฿21,750
Mon 22/916:00ORD - BKK
1 stop19h 50mCathay Pacific
Wed 1/1019:00BKK - ORD
1 stop31h 25mCathay Pacific
Deal found 11/9฿21,782
Wed 14/114:40ORD - HKT
1 stop37h 55mCathay Pacific
Wed 28/112:20HKT - ORD
1 stop37h 40mCathay Pacific
Deal found 12/9฿21,782

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 13 September 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 28/1

11:25-00:45

1 stop24h 20m

Bangkok Suvarnabhumi

Tue 17/2

00:55-08:40

1 stop20h 45m

฿22,162

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 22/1

11:25-23:20

1 stop22h 55m

Bangkok Suvarnabhumi

Mon 16/2

00:55-08:40

1 stop20h 45m

฿22,162

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 3/2

18:30-11:25

2 stops27h 55m

Bangkok Suvarnabhumi

Wed 25/2

16:55-05:05

2 stops25h 10m

฿22,923

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 2/3

09:00-11:25

2 stops37h 25m

Bangkok Suvarnabhumi

Thu 2/4

15:40-05:05

2 stops25h 25m

฿22,923

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 3/2

10:41-11:25

2 stops35h 44m

Bangkok Suvarnabhumi

Tue 24/2

16:55-05:03

2 stops25h 08m

฿22,923

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 28/10

16:40-11:25

2 stops30h 45m

Bangkok Suvarnabhumi

Tue 18/11

16:55-05:16

2 stops25h 21m

฿22,923

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 9/3

14:18-11:25

3 stops33h 07m

Bangkok Suvarnabhumi

Thu 19/3

16:55-09:25

3 stops28h 30m

฿23,050

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 1/2

21:05-11:25

2 stops49h 20m

Bangkok Suvarnabhumi

Wed 25/2

16:55-05:03

2 stops25h 08m

฿23,145

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 28/1

11:25-00:45

1 stop24h 20m

Bangkok Suvarnabhumi

Sat 14/2

00:55-08:40

1 stop20h 45m

฿23,716

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 19/1

11:25-23:20

1 stop22h 55m

Bangkok Suvarnabhumi

Sat 31/1

00:55-08:40

1 stop20h 45m

฿23,716

Flights are sorted by cheapest return flights first.

Deals found on 10/9

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 29 August 2025.

Booking 44 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, May is the cheapest month in which you can book a flight from Chicago (average of ฿20,957). Flying from Chicago in June will prove the most costly (average of ฿30,183). 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 ฿751

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 (1,546 flights per day), Detroit (1,150 flights per day) and Los Angeles (733 flights per day).

Tokyo
Tokyo
From ฿652
New York
New York
From ฿213

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 ฿2,022. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From ฿64
Salt Lake City
Salt Lake City
From ฿202
New York
New York
From ฿213
Montreal
Montreal
From ฿282

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
961 reviews
Check prices

Food

7.7

Boarding

8.6

Crew

8.7

Comfort

8.2

Overall

8.4

Entertainment

7.9

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
ANA
8.4
Very Good
961 reviews
ANA
8.4
Very Good
961 reviews
Check prices

Food

7.7

Boarding

8.6

Crew

8.7

Comfort

8.2

Overall

8.4

Entertainment

7.9

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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Direct flights from Illinois

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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 13 September 2025.

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

    The most selected flight destinations from Chicago for the current month are Athens, Boston, Atlanta. While Atlanta, Boston, Mumbai 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 ฿21,021; whereas Chicago Midway airport is typically cheaper if you're flying to Bangkok, from ฿22,669. 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 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?

    Here are some of the cheapest flight destinations from Chicago:
    Fly from Chicago to Bangkok from ฿21,021

  • 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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