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

Turkish Airlines, Cathay Pacific, and Korean Air are the most popular carriers operating from Chicago to Bangkok

What airlines fly to Bangkok?

ANA, EVA Air and Cathay Pacific are the top three most popular airlines that fly to Bangkok from Chicago according to our data. ANA is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 17 different airlines that fly to Bangkok on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Chicago to Bangkok are refreshed on a daily basis.

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

As of August 2025, there are 17 operators available to choose from for flights from Chicago to Bangkok.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Bangkok.

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

The travel and health documents required for your trip to Bangkok 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 Bangkok. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$364 Cheap Flights from Chicago to Bangkok in 2025

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Find the cheapest flights from Chicago to Bangkok

Round-trip

One-way

Last minute

Cheap round-trip flights

4:00 pm - 10:00 amORD-BKK

30h 00m1 stop

7:00 pm - 2:25 pmBKK-ORD

31h 25m1 stop

$680Cathay Pacific

Find Deal

Mon, Sep 8 - Mon, Oct 13

4:00 pm - 11:05 amORD-BKK

31h 05m1 stop

1:05 pm - 1:00 pmBKK-ORD

36h 55m1 stop

$681Cathay Pacific

Find Deal

Thu, Sep 18 - Thu, Jan 29

4:25 pm - 5:10 amORD-BKK

23h 45m1 stop

7:10 am - 1:50 pmBKK-ORD

19h 40m1 stop

$682ANA

Find Deal

Thu, Feb 5 - Thu, Feb 12

4:00 pm - 11:30 amORD-BKK

31h 30m1 stop

7:15 pm - 2:00 pmBKK-ORD

30h 45m1 stop

$683Cathay Pacific

Find Deal

Fri, Sep 26 - Mon, Oct 27

1:10 pm - 7:40 amORD-BKK

30h 30m1 stop

3:15 pm - 6:30 amBKK-ORD

28h 15m1 stop

$696Air India

Find Deal

Mon, Oct 20 - Tue, Nov 11

12:40 pm - 4:35 amORD-BKK

27h 55m1 stop

9:35 am - 3:10 pmBKK-ORD

41h 35m1 stop

$698United Airlines

Find Deal

Mon, Sep 8 - Wed, Sep 24

4:00 pm - 4:35 amORD-BKK

48h 35m2 stops

9:25 am - 8:20 amBKK-ORD

34h 55m1 stop

$702United Airlines

Find Deal

Sun, Oct 19 - Sun, Nov 2

5:45 pm - 4:35 amORD-BKK

22h 50m1 stop

7:00 am - 2:55 pmBKK-ORD

19h 55m1 stop

$710ANA

Find Deal

Thu, Sep 4 - Thu, Sep 18

9:15 am - 11:25 pmMDW-BKK

26h 10m2 stops

12:55 am - 12:35 pmBKK-MDW

24h 40m2 stops

$859Korean Air

Find Deal

Thu, Sep 4 - Tue, Mar 3

9:20 am - 11:25 pmMDW-BKK

26h 05m2 stops

1:00 am - 12:28 pmBKK-MDW

24h 28m2 stops

$869Korean Air

Find Deal

Mon, Oct 20 - Wed, Nov 5

Korean Air flights from Chicago to Bangkok

Our best Korean Air deals on Chicago to Bangkok flight tickets

Korean Air

Sep 2

ORD12:10 pmChicago O'Hare Intl

23h 15m

1 stop

BKK11:25 pmBangkok Suvarnabhumi

Oct 27

BKK12:55 amBangkok Suvarnabhumi

20h 35m

1 stop

ORD9:30 amChicago O'Hare Intl

$738

Find similar

Korean Air

Sep 4

MDW9:15 amChicago Midway

26h 10m

2 stops

BKK11:25 pmBangkok Suvarnabhumi

Mar 3

BKK12:55 amBangkok Suvarnabhumi

24h 40m

2 stops

MDW12:35 pmChicago Midway

$859

Find similar

Korean Air

Oct 20

MDW9:20 amChicago Midway

26h 05m

2 stops

BKK11:25 pmBangkok Suvarnabhumi

Nov 5

BKK1:00 amBangkok Suvarnabhumi

24h 28m

2 stops

MDW12:28 pmChicago Midway

$869

Find similar

Cathay Pacific flights from Chicago to Bangkok

Our best Cathay Pacific deals on Chicago to Bangkok flight tickets

Cathay Pacific

Sep 8

ORD4:00 pmChicago O'Hare Intl

30h 00m

1 stop

BKK10:00 amBangkok Suvarnabhumi

Oct 13

BKK7:00 pmBangkok Suvarnabhumi

31h 25m

1 stop

ORD2:25 pmChicago O'Hare Intl

$680

Find similar

Cathay Pacific

Sep 18

ORD4:00 pmChicago O'Hare Intl

31h 05m

1 stop

BKK11:05 amBangkok Suvarnabhumi

Jan 29

BKK1:05 pmBangkok Suvarnabhumi

36h 55m

1 stop

ORD1:00 pmChicago O'Hare Intl

$681

Find similar

Cathay Pacific

Sep 26

ORD4:00 pmChicago O'Hare Intl

31h 30m

1 stop

BKK11:30 amBangkok Suvarnabhumi

Oct 27

BKK7:15 pmBangkok Suvarnabhumi

30h 45m

1 stop

ORD2:00 pmChicago O'Hare Intl

$683

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 9/8

4:00 pm-10:00 am

1 stop30h 00m

Bangkok Suvarnabhumi

Mon 10/13

7:00 pm-2:25 pm

1 stop31h 25m

$680

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 9/18

4:00 pm-11:05 am

1 stop31h 05m

Bangkok Suvarnabhumi

Thu 1/29

1:05 pm-1:00 pm

1 stop36h 55m

$681

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 2/5

4:25 pm-5:10 am

1 stop23h 45m

Bangkok Suvarnabhumi

Thu 2/12

7:10 am-1:50 pm

1 stop19h 40m

$682

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Fri 9/26

4:00 pm-11:30 am

1 stop31h 30m

Bangkok Suvarnabhumi

Mon 10/27

7:15 pm-2:00 pm

1 stop30h 45m

$683

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 10/20

1:10 pm-7:40 am

1 stop30h 30m

Bangkok Suvarnabhumi

Tue 11/11

3:15 pm-6:30 am

1 stop28h 15m

$696

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 9/8

12:40 pm-4:35 am

1 stop27h 55m

Bangkok Suvarnabhumi

Wed 9/24

9:35 am-3:10 pm

1 stop41h 35m

$698

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 10/19

4:00 pm-4:35 am

2 stops48h 35m

Bangkok Suvarnabhumi

Sun 11/2

9:25 am-8:20 am

1 stop34h 55m

$702

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 9/4

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Thu 9/18

7:00 am-2:55 pm

1 stop19h 55m

$710

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Thu 9/4

9:15 am-11:25 pm

2 stops26h 10m

Bangkok Suvarnabhumi

Tue 3/3

12:55 am-12:35 pm

2 stops24h 40m

$859

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Mon 10/20

9:20 am-11:25 pm

2 stops26h 05m

Bangkok Suvarnabhumi

Wed 11/5

1:00 am-12:28 pm

2 stops24h 28m

$869

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 Chicago to Bangkok

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

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of September, then book flights to Bangkok from Chicago during October instead. Flights to Bangkok in October, while not as cheap as those in September, still average around $882.

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

On average, the least expensive day to fly to Bangkok from Chicago is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $995. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Chicago to Bangkok on a Saturday will generally be more expensive and average around $1,268. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Bangkok is at noon. momondo users have found flights departing from Chicago to Bangkok at noon for as low as $964. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $1,146. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Bangkok from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,051 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from Chicago for as low as $882 on momondo.

Cheap Chicago to Bangkok flight deals and tips

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

Direct flights	None

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

Search flight deals

How far is Chicago to Bangkok by plane?
There are 8551.9 mi between Chicago and Bangkok. Typically, this will take 19h 50m by plane in normal conditions.
When did momondo last update prices for flights from Chicago to Bangkok?
Prices for flights from Chicago to Bangkok are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago to Bangkok?
As of August 2025, there are 17 operators available to choose from for flights from Chicago to Bangkok.
How old do you have to be to fly from Chicago to Bangkok?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Bangkok.
What documentation or ID do you need to fly to Bangkok?
The travel and health documents required for your trip to Bangkok 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 Bangkok. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Chicago to Bangkok

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

Airline	Rating	Free Cancellation	Price
Emirates	PriceFrom $503	Free Cancellation	Rating 8.1 3,318 reviews	Search Emirates flights
Air India	PriceFrom $661	Free Cancellation	Rating 5.5 2,929 reviews	Search Air India flights
ANA	PriceFrom $686	Free Cancellation	Rating 8.4 943 reviews	Search ANA flights
United Airlines	PriceFrom $708	Free Cancellation	Rating 7.4 8,943 reviews	Search United Airlines flights
American Airlines	PriceFrom $710	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Cathay Pacific	PriceFrom $729	Free Cancellation	Rating 7.6 975 reviews	Search Cathay Pacific flights
Korean Air	PriceFrom $754	Free Cancellation	Rating 8.4 1,133 reviews	Search Korean Air flights
Turkish Airlines	PriceFrom $788	Free Cancellation	Rating 7.3 3,955 reviews	Search Turkish Airlines flights
Etihad Airways	PriceFrom $820	Free Cancellation	Rating 7.4 1,235 reviews	Search Etihad Airways flights
Japan Airlines	PriceFrom $857	Free Cancellation	Rating 8.3 1,552 reviews	Search Japan Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bangkok from Chicago.

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

momondo does allow users to show only those flights to Bangkok from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bangkok from Chicago.

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

Yes momondo offers price alerts on flights to Bangkok from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.