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Cheap flights from Chicago to Bangkok from $345

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Bangkok departing on 11/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago to Bangkok

Cheap round-trip flights

ANA Logo
5:45 pm - 4:35 amORD-BKK
22h 50m1 stop
ANA Logo
9:35 pm - 3:10 pmBKK-ORD
29h 35m1 stop
$618ANA
Find Deal
Mon, Sep 8 - Wed, Sep 17
Cathay Pacific Logo
2:40 pm - 10:40 amORD-BKK
31h 00m1 stop
Cathay Pacific Logo
1:05 pm - 1:00 pmBKK-ORD
36h 55m1 stop
$620Cathay Pacific
Find Deal
Wed, Nov 5 - Wed, Dec 24
Cathay Pacific Logo
4:00 pm - 11:50 pmORD-BKK
19h 50m1 stop
Cathay Pacific Logo
7:00 pm - 2:25 pmBKK-ORD
31h 25m1 stop
$621Cathay Pacific
Find Deal
Tue, Sep 9 - Tue, Oct 14
Cathay Pacific Logo
4:00 pm - 11:50 pmORD-BKK
19h 50m1 stop
Cathay Pacific Logo
7:00 pm - 2:25 pmBKK-ORD
31h 25m1 stop
$622Cathay Pacific
Find Deal
Wed, Sep 17 - Wed, Oct 15
United Airlines Logo
3:40 pm - 11:25 amORD-BKK
30h 45m2 stops
United Airlines Logo
9:25 am - 7:20 amBKK-ORD
34h 55m1 stop
$643United Airlines
Find Deal
Wed, Nov 5 - Wed, Dec 31
United Airlines Logo
7:10 am - 4:35 amORD-BKK
33h 25m2 stops
United Airlines Logo
9:35 am - 3:10 pmBKK-ORD
41h 35m1 stop
$644United Airlines
Find Deal
Mon, Sep 8 - Wed, Sep 17
ANA Logo
12:40 pm - 4:35 amORD-BKK
27h 55m1 stop
ANA Logo
9:35 pm - 3:10 pmBKK-ORD
29h 35m1 stop
$648ANA
Find Deal
Tue, Sep 2 - Mon, Sep 8
Air India Logo
1:10 pm - 7:40 amORD-BKK
30h 30m1 stop
Air India Logo
5:55 pm - 11:10 amBKK-ORD
29h 15m2 stops
$656Air India
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Wed, Aug 27 - Tue, Oct 14
Delta Logo
9:35 am - 9:45 pmMDW-BKK
24h 10m2 stops
Delta Logo
1:00 am - 10:14 pmBKK-MDW
33h 14m2 stops
$878Delta
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Tue, Oct 21 - Tue, Oct 28
Delta Logo
9:20 am - 11:25 pmMDW-BKK
26h 05m2 stops
Delta Logo
9:50 am - 8:53 amBKK-MDW
35h 03m2 stops
$883Delta
Find Deal
Mon, Sep 15 - Mon, Sep 22

ANA flights from Chicago to Bangkok

Our best ANA deals on Chicago to Bangkok flight tickets
ANA
Sep 8
ORD5:45 pmChicago O'Hare Intl
22h 50m
1 stop
BKK4:35 amBangkok Suvarnabhumi
Sep 17
BKK9:35 pmBangkok Suvarnabhumi
29h 35m
1 stop
ORD3:10 pmChicago O'Hare Intl
$618
Find similar
ANA
Aug 25
ORD5:45 pmChicago O'Hare Intl
22h 50m
1 stop
BKK4:35 amBangkok Suvarnabhumi
Sep 9
BKK9:35 pmBangkok Suvarnabhumi
29h 35m
1 stop
ORD3:10 pmChicago O'Hare Intl
$639
Find similar
ANA
Sep 2
ORD12:40 pmChicago O'Hare Intl
27h 55m
1 stop
BKK4:35 amBangkok Suvarnabhumi
Sep 8
BKK9:35 pmBangkok Suvarnabhumi
29h 35m
1 stop
ORD3:10 pmChicago O'Hare Intl
$648
Find similar

Cathay Pacific flights from Chicago to Bangkok

Our best Cathay Pacific deals on Chicago to Bangkok flight tickets
Cathay Pacific
Nov 5
ORD2:40 pmChicago O'Hare Intl
31h 00m
1 stop
BKK10:40 amBangkok Suvarnabhumi
Dec 24
BKK1:05 pmBangkok Suvarnabhumi
36h 55m
1 stop
ORD1:00 pmChicago O'Hare Intl
$620
Find similar
Cathay Pacific
Sep 9
ORD4:00 pmChicago O'Hare Intl
19h 50m
1 stop
BKK11:50 pmBangkok Suvarnabhumi
Oct 14
BKK7:00 pmBangkok Suvarnabhumi
31h 25m
1 stop
ORD2:25 pmChicago O'Hare Intl
$621
Find similar
Cathay Pacific
Sep 17
ORD4:00 pmChicago O'Hare Intl
19h 50m
1 stop
BKK11:50 pmBangkok Suvarnabhumi
Oct 15
BKK7:00 pmBangkok Suvarnabhumi
31h 25m
1 stop
ORD2:25 pmChicago O'Hare Intl
$622
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Bangkok 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, momondo users made 832,500 searches. Data last updated August 17, 2025.
Use the filters below to find and compare flights from Chicago to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 9/8

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Wed 9/17

9:35 pm-3:10 pm

1 stop29h 35m

$618

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 11/5

2:40 pm-10:40 am

1 stop31h 00m

Bangkok Suvarnabhumi

Wed 12/24

1:05 pm-1:00 pm

1 stop36h 55m

$620

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 9/9

4:00 pm-11:50 pm

1 stop19h 50m

Bangkok Suvarnabhumi

Tue 10/14

7:00 pm-2:25 pm

1 stop31h 25m

$621

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 9/17

4:00 pm-11:50 pm

1 stop19h 50m

Bangkok Suvarnabhumi

Wed 10/15

7:00 pm-2:25 pm

1 stop31h 25m

$622

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 11/5

3:40 pm-11:25 am

2 stops30h 45m

Bangkok Suvarnabhumi

Wed 12/31

9:25 am-7:20 am

1 stop34h 55m

$643

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 9/8

7:10 am-4:35 am

2 stops33h 25m

Bangkok Suvarnabhumi

Wed 9/17

9:35 am-3:10 pm

1 stop41h 35m

$644

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 9/2

12:40 pm-4:35 am

1 stop27h 55m

Bangkok Suvarnabhumi

Mon 9/8

9:35 pm-3:10 pm

1 stop29h 35m

$648

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 8/27

1:10 pm-7:40 am

1 stop30h 30m

Bangkok Suvarnabhumi

Tue 10/14

5:55 pm-11:10 am

2 stops29h 15m

$656

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Tue 10/21

9:35 am-9:45 pm

2 stops24h 10m

Bangkok Suvarnabhumi

Tue 10/28

1:00 am-10:14 pm

2 stops33h 14m

$878

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Mon 9/15

9:20 am-11:25 pm

2 stops26h 05m

Bangkok Suvarnabhumi

Mon 9/22

9:50 am-8:53 am

2 stops35h 03m

$883

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bangkok from

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

What is the typical price of a round-trip flight between Chicago and Bangkok?

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 $895.

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 $1,058 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 $913 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

Best Price Found

$345

Fastest flight time

19h 50m

Direct flights

None

Airports in Bangkok

2 airports
The best one-way flight to Bangkok from Chicago in the past 72 hours is $345. The best round-trip flight deal from Chicago to Bangkok found on momondo in the last 72 hours is $618.
The fastest flight from Chicago to Bangkok takes 19h 50m
There are no direct flights from Chicago to Bangkok. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Bangkok Suvarnabhumi Airport.
There are 2 airports near Bangkok: Bangkok Suvarnabhumi (BKK), Bangkok Don Mueang Intl (DMK)
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  • 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?

  • 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
EmiratesPriceFrom $503Free CancellationRating
8.1
3,315 reviews
Search Emirates flights
Air IndiaPriceFrom $667Free CancellationRating
5.5
2,930 reviews
Search Air India flights
ANAPriceFrom $697Free CancellationRating
8.4
933 reviews
Search ANA flights
United AirlinesPriceFrom $710Free CancellationRating
7.4
8,919 reviews
Search United Airlines flights
American AirlinesPriceFrom $710Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Cathay PacificPriceFrom $746Free CancellationRating
7.6
969 reviews
Search Cathay Pacific flights
Korean AirPriceFrom $755Free CancellationRating
8.4
1,131 reviews
Search Korean Air flights
Turkish AirlinesPriceFrom $789Free CancellationRating
7.3
3,943 reviews
Search Turkish Airlines flights
Etihad AirwaysPriceFrom $820Free CancellationRating
7.4
1,233 reviews
Search Etihad Airways flights
Japan AirlinesPriceFrom $857Free CancellationRating
8.3
1,549 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.

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Find better results for your trip to Thailand

Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok
Bangkok Suvarnabhumi Airport
Bangkok Don Mueang Intl Airport