How long does it take to fly to Chicago?

Average flight duration from Thailand to Chicago depends on which airport you fly into and out of. Flying from Bangkok to Chicago O'Hare Intl Airport is 20h 45m on average, while flying from Ko Samui to Chicago O'Hare Intl Airport is 34h 50m on average. Chicago O'Hare Intl Airport is the most popular airport in Chicago.

What airlines fly to Chicago?

EVA Air, Korean Air and ANA are the top three most popular airlines that fly to Chicago from Thailand according to our data. EVA Air is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 7 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Thailand to Chicago?

Delta is the most popular carrier operating from Thailand to Chicago

When did momondo last update prices for flights from Thailand to Chicago?

Prices for flights from Thailand to Chicago were last updated today.

How many operators does momondo search for flights from Thailand to Chicago?

There are 7 operators available for flights from Thailand to Chicago as of November 2025.

How old do you have to be to fly from Thailand to Chicago?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Thailand to Chicago.

What documentation or ID do you need to fly to Chicago?

The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$401 Cheap Flights from Thailand to Chicago in 2025/26

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Find the cheapest flights from Thailand to Chicago

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Recent round-trip flight deals from Thailand to Chicago

Enter your travel dates to find the best prices.

1:20 pm - 12:01 pmBKK-ORD

35h 41m2 stops

3:54 pm - 12:00 pmORD-BKK

31h 06m2 stops

$819Multiple Airlines

Find Deal

Wed, Feb 11 - Wed, Feb 25

1:20 pm - 6:29 amBKK-ORD

30h 09m2 stops

3:35 pm - 12:00 pmORD-BKK

31h 25m2 stops

$852Multiple Airlines

Find Deal

Thu, Dec 25 - Fri, Jan 9

1:20 pm - 12:01 pmBKK-ORD

35h 41m2 stops

1:10 pm - 11:20 pmORD-BKK

21h 10m1 stop

$900Multiple Airlines

Find Deal

Wed, Feb 11 - Wed, Feb 25

10:10 am - 6:25 pmBKK-ORD

45h 15m2 stops

8:20 pm - 9:05 pmORD-BKK

35h 45m2 stops

$904IndiGo

Find Deal

Sun, Dec 7 - Wed, Jan 14

10:10 am - 6:25 pmBKK-ORD

45h 15m2 stops

11:50 am - 9:05 pmORD-BKK

44h 15m2 stops

$914IndiGo

Find Deal

Sun, Dec 7 - Wed, Jan 14

9:30 pm - 5:55 pmBKK-MDW

33h 25m2 stops

6:00 am - 12:45 amMDW-BKK

29h 45m2 stops

$1,107Delta

Find Deal

Tue, Jan 27 - Thu, Mar 5

2:05 am - 10:22 pmBKK-MDW

33h 17m2 stops

7:16 pm - 9:30 pmMDW-BKK

37h 14m2 stops

$1,111Delta

Find Deal

Tue, Jan 20 - Thu, Feb 5

7:45 pm - 7:35 pmCNX-ORD

36h 50m2 stops

6:30 pm - 10:35 amORD-CNX

51h 05m2 stops

$1,199EVA Air

Find Deal

Mon, Dec 15 - Thu, Jan 15

7:45 pm - 7:35 pmCNX-ORD

36h 50m2 stops

4:10 pm - 10:35 amORD-CNX

53h 25m2 stops

$1,201EVA Air

Find Deal

Mon, Dec 15 - Thu, Jan 15

9:40 pm - 11:55 amCNX-MDW

27h 15m2 stops

6:45 am - 10:55 pmMDW-CNX

27h 10m2 stops

$7,476Korean Air

Find Deal

Mon, Dec 15 - Thu, Jan 15

EVA Air flights from Thailand to Chicago

Our best EVA Air deals on Thailand to Chicago flight tickets

EVA Air

Dec 8

BKK2:15 amBangkok Suvarnabhumi

30h 20m

1 stop

ORD7:35 pmChicago O'Hare Intl

Dec 9

ORD11:30 pmChicago O'Hare Intl

22h 15m

1 stop

BKK10:45 amBangkok Suvarnabhumi

$1,066

Find similar

EVA Air

Dec 7

BKK2:15 amBangkok Suvarnabhumi

30h 20m

1 stop

ORD7:35 pmChicago O'Hare Intl

Dec 9

ORD11:30 pmChicago O'Hare Intl

24h 05m

1 stop

BKK12:35 pmBangkok Suvarnabhumi

$1,067

Find similar

EVA Air

Dec 8

BKK2:15 amBangkok Suvarnabhumi

27h 25m

2 stops

ORD4:40 pmChicago O'Hare Intl

Dec 9

ORD11:30 pmChicago O'Hare Intl

22h 40m

1 stop

BKK11:10 amBangkok Suvarnabhumi

$1,119

Find similar

Cathay Pacific flights from Thailand to Chicago

Our best Cathay Pacific deals on Thailand to Chicago flight tickets

Cathay Pacific

Dec 15

CNX7:40 pmChiang Mai

30h 15m

1 stop

ORD12:55 pmChicago O'Hare Intl

Jan 15

ORD2:35 pmChicago O'Hare Intl

39h 15m

1 stop

CNX6:50 pmChiang Mai

$1,303

Find similar

Cathay Pacific

Dec 15

CNX7:40 pmChiang Mai

30h 15m

1 stop

ORD12:55 pmChicago O'Hare Intl

Jan 15

ORD2:35 pmChicago O'Hare Intl

39h 15m

1 stop

CNX6:50 pmChiang Mai

$1,367

Find similar

Cathay Pacific

Jan 26

CNX10:35 amChiang Mai

39h 20m

1 stop

ORD12:55 pmChicago O'Hare Intl

Jan 28

ORD2:35 pmChicago O'Hare Intl

30h 15m

1 stop

CNX9:50 amChiang Mai

$1,446

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 2/11

1:20 pm-12:01 pm

2 stops35h 41m

Chicago O'Hare Intl

Wed 2/25

3:54 pm-12:00 pm

2 stops31h 06m

$819

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 12/25

1:20 pm-6:29 am

2 stops30h 09m

Chicago O'Hare Intl

Fri 1/9

3:35 pm-12:00 pm

2 stops31h 25m

$852

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 2/11

1:20 pm-12:01 pm

2 stops35h 41m

Chicago O'Hare Intl

Wed 2/25

1:10 pm-11:20 pm

1 stop21h 10m

$900

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 12/7

10:10 am-6:25 pm

2 stops45h 15m

Chicago O'Hare Intl

Wed 1/14

8:20 pm-9:05 pm

2 stops35h 45m

$904

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 12/7

10:10 am-6:25 pm

2 stops45h 15m

Chicago O'Hare Intl

Wed 1/14

11:50 am-9:05 pm

2 stops44h 15m

$914

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Tue 1/27

9:30 pm-5:55 pm

2 stops33h 25m

Chicago Midway

Thu 3/5

6:00 am-12:45 am

2 stops29h 45m

$1,107

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Tue 1/20

2:05 am-10:22 pm

2 stops33h 17m

Chicago Midway

Thu 2/5

7:16 pm-9:30 pm

2 stops37h 14m

$1,111

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 12/15

7:45 pm-7:35 pm

2 stops36h 50m

Chicago O'Hare Intl

Thu 1/15

6:30 pm-10:35 am

2 stops51h 05m

$1,199

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 12/15

7:45 pm-7:35 pm

2 stops36h 50m

Chicago O'Hare Intl

Thu 1/15

4:10 pm-10:35 am

2 stops53h 25m

$1,201

Chiang MaiChicago

CNX - MDW

CNXMDW

Chiang Mai

Mon 12/15

9:40 pm-11:55 am

2 stops27h 15m

Chicago Midway

Thu 1/15

6:45 am-10:55 pm

2 stops27h 10m

$7,476

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Thailand to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Chicago?

The month of February is, on average, the cheapest month to fly to Chicago from Thailand, with most prices found around $1,023. If you’re not able to fly to Chicago in February, then May is your next best option. Flight prices from Thailand to Chicago during May average around $1,078.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Tuesday when prices can be found for as low as $1,042. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Thailand to Chicago for around $1,158.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Thailand to Chicago during this time can be as low as $1,107. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $1,117.

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Thailand when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $1,177 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Thailand for as low as $1,037 on momondo.

Can stopping save me money on Thailand to Chicago flights?

You could potentially save up to 42% on your flight if you consider stops on a Thailand to Chicago flight.

Cheap Thailand to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Thailand to Chicago

Fastest flight time	20h 45m
Direct flights	None

The fastest flight from Thailand to Chicago takes 20h 45m

There are no direct flights from Thailand to Chicago. There are no popular flight routes from Thailand to Chicago.

Search flight deals

When did momondo last update prices for flights from Thailand to Chicago?
Prices for flights from Thailand to Chicago were last updated today.
How many operators does momondo search for flights from Thailand to Chicago?
There are 7 operators available for flights from Thailand to Chicago as of November 2025.
How old do you have to be to fly from Thailand to Chicago?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Thailand to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Thailand to Chicago

Compare and see reviews for airlines that fly from Thailand to Chicago with momondo

Airline	Rating	Free Cancellation	Price
Japan Airlines	PriceFrom $681	Free Cancellation	Rating 8.3 1,630 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $902	Free Cancellation	Rating 8.4 1,170 reviews	Search Korean Air flights
ANA	PriceFrom $983	Free Cancellation	Rating 8.4 1,010 reviews	Search ANA flights
United Airlines	PriceFrom $987	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights
Thai Airways	PriceFrom $994	Free Cancellation	Rating 7.8 362 reviews	Search Thai Airways flights
EVA Air	PriceFrom $1,007	Free Cancellation	Rating 8.4 1,283 reviews	Search EVA Air flights
Cathay Pacific	PriceFrom $1,036	Free Cancellation	Rating 7.6 1,068 reviews	Search Cathay Pacific flights

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Why use momondo?

Why should I use momondo to find a flight deal from Thailand to Chicago?

Finding the right flight to Chicago from Thailand is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from Thailand to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Thailand with this policy.

How can momondo help me find flights from Thailand to Chicago?

momondo provides multiple filters to help you find the best flight to Chicago from Thailand. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Thailand to Chicago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Thailand to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.