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Cheap flights from Thailand to Chicago from ฿19,171

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — CHI
24 Apr — 1 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Thailand to Chicago
Explore the most affordable flight options available from Thailand to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2026.

Tue 8/909:50
BKK
-
ORD
1 stop35h 40m
Korean Air
Sat 3/1012:10
ORD
-
BKK
1 stop24h 55m
Korean Air
Deal found 24/3฿31,723
Wed 15/419:10
BKK
-
ORD
2 stops57h 00m
โอมานแอร์
Fri 1/520:00
ORD
-
BKK
2 stops33h 45m
โอมานแอร์
Deal found 23/3฿31,820
Thu 3/902:35
BKK
-
ORD
2 stops31h 23m
เดลต้า
Fri 25/906:00
ORD
-
BKK
2 stops31h 05m
เดลต้า
Deal found 24/3฿31,853
Tue 21/401:20
BKK
-
ORD
2 stops34h 39m
Multiple Airlines
Wed 29/414:00
ORD
-
BKK
1 stop40h 10m
Multiple Airlines
Deal found 23/3฿32,016
Mon 20/407:35
BKK
-
ORD
2 stops37h 00m
Multiple Airlines
Sun 3/514:00
ORD
-
BKK
1 stop21h 50m
Multiple Airlines
Deal found 19/3฿32,244
Thu 7/516:45
BKK
-
ORD
2 stops25h 55m
Multiple Airlines
Tue 1/900:30
ORD
-
BKK
1 stop22h 20m
Multiple Airlines
Deal found 23/3฿32,799
Tue 8/917:30
BKK
-
ORD
2 stops25h 30m
Multiple Airlines
Thu 8/1021:10
ORD
-
BKK
1 stop21h 05m
Multiple Airlines
Deal found 22/3฿32,896
Thu 4/621:40
BKK
-
ORD
1 stop24h 00m
Korean Air
Sun 12/712:30
ORD
-
BKK
1 stop24h 35m
Korean Air
Deal found 22/3฿32,994
Mon 27/419:10
BKK
-
ORD
2 stops57h 00m
โอมานแอร์
Wed 6/520:00
ORD
-
BKK
2 stops46h 50m
โอมานแอร์
Deal found 23/3฿33,157
Wed 22/409:35
BKK
-
ORD
2 stops32h 24m
United Airlines
Wed 29/410:49
ORD
-
BKK
3 stops34h 46m
United Airlines
Deal found 23/3฿33,190
Wed 27/509:35
BKK
-
ORD
2 stops25h 32m
United Airlines
Wed 26/817:45
ORD
-
BKK
1 stop22h 50m
United Airlines
Deal found 22/3฿33,222
Wed 4/1100:15
CNX
-
ORD
1 stop21h 15m
Korean Air
Mon 9/1111:15
ORD
-
CNX
1 stop22h 40m
Korean Air
Deal found 23/3฿33,777

Find flight deals from Thailand to Chicago

Keep the following information in mind while searching for Thailand to Chicago flight deals. Data was last updated 25 March 2026.

Round-trip from

฿31,723

One-way from

฿19,171

Popular in

March

Cheapest in

February

Average price

฿53,045
Korean Air
  • Korean Air
  • 8/9-3/10
  • 2 total stops
  • 60h 35m total
  • Thailand to Chicago
Search Deals
6/5
  • 6/5
  • 2 total stops
  • 34h 39m total
  • Thailand to Chicago
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿104,496 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿42,608 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Thailand to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 25 March 2026.
Use the filters below to find and compare flights from Thailand to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 8/9

09:50-09:30

1 stop35h 40m

Chicago O'Hare Intl

Sat 3/10

12:10-01:05

1 stop24h 55m

฿31,723

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 23/4

09:35-04:46

2 stops31h 11m

Chicago O'Hare Intl

Mon 27/4

10:35-09:35

3 stops35h 00m

฿33,190

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 10/9

23:30-09:30

1 stop22h 00m

Chicago O'Hare Intl

Mon 14/9

12:10-13:35

1 stop37h 25m

฿33,385

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 3/5

09:00-16:10

2 stops43h 10m

Chicago O'Hare Intl

Tue 22/9

20:00-06:55

2 stops22h 55m

฿33,581

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Sun 10/5

23:30-16:12

2 stops28h 42m

Chicago Midway

Mon 17/8

09:30-21:45

2 stops24h 15m

฿34,201

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 18/6

02:35-23:29

2 stops32h 54m

Chicago O'Hare Intl

Fri 31/7

12:30-21:45

1 stop21h 15m

฿34,624

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 3/5

07:00-05:40

2 stops34h 40m

Chicago O'Hare Intl

Tue 22/9

17:45-09:35

3 stops27h 50m

฿35,276

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 11/6

09:35-04:47

2 stops31h 12m

Chicago O'Hare Intl

Thu 9/7

12:56-09:35

3 stops32h 39m

฿35,635
Fastest return journey

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 7/6

02:35-17:20

2 stops26h 45m

Chicago O'Hare Intl

Fri 17/7

12:30-21:45

1 stop21h 15m

฿37,396

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 5/5

15:45-12:37

3 stops32h 52m

Chicago O'Hare Intl

Wed 5/8

06:00-09:35

2 stops39h 35m

฿37,526

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Thailand to Chicago

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

Cheapflights Insights

Everything you need to know about your flight from Thailand to Chicago

What is the cheapest month to book a flight from Thailand to Chicago?

Currently, February is the cheapest month in which you can book a flight from Thailand to Chicago (average of ฿27,223). Flying from Thailand to Chicago in August is currently the most expensive (average of ฿34,657). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TH to CHI?

Find hourly flight availability from Thailand to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2026.

A simple way to save on the total cost of your ticket is to fly from Thailand to Chicago in the evening. If you’re flexible enough to do this you can expect to save up to 62% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated 25 March 2026.
Read through reviews of airlines operating flights from Thailand to Chicago, such as EVA Air,ANA, andKorean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very Good
1,390 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
EVA Air
8.5
Very Good
1,390 reviews
EVA Air
8.5
Very Good
1,390 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
ANA
8.4
Very Good
1,142 reviews
EVA Air
8.5
Very Good
1,390 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Korean Air
8.4
Very Good
1,202 reviews
EVA Air
8.5
Very Good
1,390 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Japan Airlines
8.3
Very Good
1,748 reviews
EVA Air
8.5
Very Good
1,390 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Cathay Pacific
7.6
Good
1,228 reviews
EVA Air
8.5
Very Good
1,390 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Related info for your journey

Find useful and relevant information for your journey from Thailand to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Thailand to Chicago?

    Airlines like Korean Air, United Airlines, and โอมานแอร์ fly from Thailand to Chicago in about 31h 11m. The time it takes to get you to your destination can typically vary by up to 11h 59m. There are 13752 km between Thailand and Chicago. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Thailand to Chicago one-way?

    The cheapet airlines for a one-way flight from Thailand to Chicago are Korean Air (฿14,539), Thai Airways (฿18,863), and Japan Airlines (฿21,636).

  • What are the most popular routes from Thailand to Chicago?

    Most travellers choose Bangkok Suvarnabhumi - Chicago O'Hare Intl, Bangkok Suvarnabhumi - Chicago Midway or Bangkok Don Mueang Intl - Chicago O'Hare Intl when deciding on the best route from Thailand to Chicago.

  • Can I find deals for flights from Thailand to Chicago that include hotel bookings?

    Yes. In addition to deals on Thailand to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Thailand to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to Chicago.

  • Can I find deals for business class flights from Thailand to Chicago?

    Yes. Cheapflights offers flight deals from Thailand to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Thailand to Chicago?

    Currently, February is the cheapest month in which you can book a flight from Thailand to Chicago (average of ฿27,223). Flying from Thailand to Chicago in August is currently the most expensive (average of ฿34,657). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Thailand to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to O'Hare Intl flights
Chiang Mai to Midway flights
Ko Samui to O'Hare Intl flights
Phuket City to St. Louis flights

Top 9 airlines flying from Thailand to Chicago

Discover the top 9 airlines that operate flights from Thailand to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 25 March 2026.
AirlineCheapestAverageFlexibilityOn-time
เตอร์กิชแอร์ไลน์Cheapest฿13,074Average฿41,339FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights
Korean AirCheapest฿31,692Average฿32,822FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Japan AirlinesCheapest฿32,322Average฿42,966FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
เดลต้าCheapest฿32,554Average฿51,411FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
United AirlinesCheapest฿33,669Average฿35,809FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapest฿34,375Average฿41,464FlexibilityNo cancel feeOn-time80%
Search ANA flights
EVA AirCheapest฿34,702Average฿37,542FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Cathay PacificCheapest฿35,028Average฿46,397FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Thai AirwaysCheapest฿36,384Average฿37,909FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Thailand to Chicago?

Cheapflights helps you search for flights from Thailand to 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 Thailand to Chicago?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Thailand to Chicago.

Can Cheapflights find flights from Thailand to Chicago with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Thailand to Chicago flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Thailand to Chicago become cheaper?

Yes! Start tracking prices for Thailand to Chicago flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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