What is the cheapest airline that flies from Illinois to Bangkok Suvarnabhumi?

Delta, Etihad Airways, and United Airlines are the most popular carriers operating from Illinois to Bangkok Suvarnabhumi

How long does it take to fly to Bangkok Suvarnabhumi Airport?

Flight times vary depending on what airport in Illinois you fly out of and what airport in Bangkok Suvarnabhumi Airport you fly into. For example, flying from Chicago to Bangkok Suvarnabhumi Airport takes 22h 08m on average. On the other hand, flying from Peoria to Bangkok Suvarnabhumi Airport takes 25h 07m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to Bangkok Suvarnabhumi Airport?

EVA Air, ANA and Cathay Pacific are the top three most popular airlines that fly to Bangkok Suvarnabhumi Airport from Illinois according to our data. EVA Air is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Bangkok Suvarnabhumi Airport. Keep in mind that there are 16 different airlines that fly to Bangkok Suvarnabhumi Airport on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Illinois to Bangkok Suvarnabhumi Airport?

Prices for flights from Illinois to Bangkok Suvarnabhumi Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Illinois to Bangkok Suvarnabhumi Airport?

As of June 2026, there are 16 operators available to choose from for flights from Illinois to Bangkok Suvarnabhumi Airport.

How old do you have to be to fly from Illinois to Bangkok Suvarnabhumi Airport?

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 Illinois to Bangkok Suvarnabhumi Airport.

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

The travel and health documents you'll need for your trip to Bangkok Suvarnabhumi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bangkok Suvarnabhumi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$557 Cheap Flights from Illinois to Bangkok Suvarnabhumi Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Bangkok

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:04 pm - 2:50 pm

STL

BKK

30h 46m

2 stops

12:15 pm - 9:13 pm

BKK

STL

45h 58m

2 stops

$1,016Multiple Airlines

Mon, Nov 16 - Wed, Dec 16

9:44 am - 11:50 pm

STL

BKK

26h 06m

2 stops

8:50 pm - 1:17 pm

BKK

STL

29h 27m

2 stops

$1,026Etihad Airways

Thu, Aug 20 - Wed, Nov 18

5:45 pm - 4:35 am

ORD

BKK

22h 50m

1 stop

9:35 am - 2:55 pm

BKK

ORD

41h 20m

1 stop

$1,073ANA

Wed, Aug 5 - Sat, Aug 29

4:25 pm - 6:30 am

ORD

BKK

25h 05m

1 stop

7:10 am - 1:50 pm

BKK

ORD

19h 40m

1 stop

$1,075ANA

Sat, Nov 28 - Fri, Dec 18

10:30 am - 9:35 am

ORD

BKK

35h 05m

2 stops

9:35 am - 3:25 pm

BKK

ORD

41h 50m

1 stop

$1,077United Airlines

Mon, Jul 20 - Tue, Sep 1

6:10 pm - 9:35 am

ORD

BKK

27h 25m

2 stops

3:45 pm - 11:25 am

BKK

ORD

31h 40m

2 stops

$1,078United Airlines

Tue, Aug 4 - Sat, Aug 22

5:30 am - 9:45 pm

ORD

BKK

28h 15m

2 stops

9:50 am - 9:33 pm

BKK

ORD

23h 43m

2 stops

$1,081Delta

Mon, Jul 20 - Thu, Sep 24

8:05 am - 11:00 pm

ORD

BKK

26h 55m

2 stops

7:55 am - 8:10 pm

BKK

ORD

24h 15m

2 stops

$1,084American Airlines

Wed, Sep 9 - Wed, Sep 23

6:00 am - 12:45 am

MDW

BKK

29h 45m

2 stops

12:55 am - 4:25 pm

BKK

MDW

28h 30m

2 stops

$1,095Delta

Fri, Nov 27 - Fri, Dec 11

7:08 am - 5:45 am

EVV

BKK

34h 37m

2 stops

7:55 am - 11:59 pm

BKK

EVV

28h 04m

3 stops

$4,787American Airlines

Mon, Jul 20 - Tue, Jul 28

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Qatar Airways flights from Illinois to Bangkok Suvarnabhumi Airport

Our best Qatar Airways deals on Illinois to Bangkok Suvarnabhumi Airport flight tickets

Qatar Airways

Sep 1

ORD7:20 pmChicago O'Hare Intl

23h 00m

1 stop

BKK6:20 amBangkok Suvarnabhumi

Sep 16

BKK2:30 amBangkok Suvarnabhumi

24h 35m

1 stop

ORD3:05 pmChicago O'Hare Intl

$1,090

Qatar Airways

Sep 8

ORD7:20 pmChicago O'Hare Intl

23h 55m

1 stop

BKK7:15 amBangkok Suvarnabhumi

Sep 14

BKK2:30 amBangkok Suvarnabhumi

24h 35m

1 stop

ORD3:05 pmChicago O'Hare Intl

$1,093

Qatar Airways

Aug 12

ORD7:20 pmChicago O'Hare Intl

23h 55m

1 stop

BKK7:15 amBangkok Suvarnabhumi

Sep 7

BKK2:30 amBangkok Suvarnabhumi

24h 35m

1 stop

ORD3:05 pmChicago O'Hare Intl

$1,095

EVA Air flights from Illinois to Bangkok Suvarnabhumi Airport

Our best EVA Air deals on Illinois to Bangkok Suvarnabhumi Airport flight tickets

EVA Air

Aug 29

ORD12:30 amChicago O'Hare Intl

24h 35m

1 stop

BKK1:05 pmBangkok Suvarnabhumi

Oct 21

BKK12:25 pmBangkok Suvarnabhumi

20h 20m

1 stop

ORD8:45 pmChicago O'Hare Intl

$1,109

EVA Air

Aug 11

ORD12:30 amChicago O'Hare Intl

22h 40m

1 stop

BKK11:10 amBangkok Suvarnabhumi

Sep 10

BKK12:25 pmBangkok Suvarnabhumi

20h 20m

1 stop

ORD8:45 pmChicago O'Hare Intl

$1,113

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Mon 11/16

7:04 pm-2:50 pm

2 stops30h 46m

Bangkok Suvarnabhumi

Wed 12/16

12:15 pm-9:13 pm

2 stops45h 58m

$1,016

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Thu 8/20

9:44 am-11:50 pm

2 stops26h 06m

Bangkok Suvarnabhumi

Wed 11/18

8:50 pm-1:17 pm

2 stops29h 27m

$1,026

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 8/5

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Sat 8/29

9:35 am-2:55 pm

1 stop41h 20m

$1,073

Quickest round-trip

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sat 11/28

4:25 pm-6:30 am

1 stop25h 05m

Bangkok Suvarnabhumi

Fri 12/18

7:10 am-1:50 pm

1 stop19h 40m

$1,075

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 7/20

10:30 am-9:35 am

2 stops35h 05m

Bangkok Suvarnabhumi

Tue 9/1

9:35 am-3:25 pm

1 stop41h 50m

$1,077

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 8/4

6:10 pm-9:35 am

2 stops27h 25m

Bangkok Suvarnabhumi

Sat 8/22

3:45 pm-11:25 am

2 stops31h 40m

$1,078

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 7/20

5:30 am-9:45 pm

2 stops28h 15m

Bangkok Suvarnabhumi

Thu 9/24

9:50 am-9:33 pm

2 stops23h 43m

$1,081

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 9/9

8:05 am-11:00 pm

2 stops26h 55m

Bangkok Suvarnabhumi

Wed 9/23

7:55 am-8:10 pm

2 stops24h 15m

$1,084

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Fri 11/27

6:00 am-12:45 am

2 stops29h 45m

Bangkok Suvarnabhumi

Fri 12/11

12:55 am-4:25 pm

2 stops28h 30m

$1,095

EvansvilleBangkok

EVV - BKK

EVVBKK

Evansville Dress Regional

Mon 7/20

7:08 am-5:45 am

2 stops34h 37m

Bangkok Suvarnabhumi

Tue 7/28

7:55 am-11:59 pm

3 stops28h 04m

$4,787

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 Illinois to Bangkok Suvarnabhumi Airport

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 Bangkok Suvarnabhumi Airport?

The month of July is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Illinois, with most prices found around $609. The month of January is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Illinois averaging around $820.

How far in advance should I book a flight from Illinois to Bangkok Suvarnabhumi Airport?

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around $972 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Illinois for as low as $868 on momondo.

Can stopping save me money on Illinois to Bangkok Suvarnabhumi Airport flights?

You could potentially save up to 9% on your flight if you consider stops on a Illinois to Bangkok Suvarnabhumi Airport flight.

Cheap Illinois to Bangkok Suvarnabhumi Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Bangkok Suvarnabhumi Airport

Fastest flight time	19h 55m
Direct flights	None

The fastest flight from Illinois to Bangkok Suvarnabhumi Airport takes 19h 55m

There are no direct flights from Illinois to Bangkok Suvarnabhumi Airport. There are no popular flight routes from Illinois to Bangkok Suvarnabhumi Airport.

Search flight deals

Frequently asked questions about flying from Illinois to Bangkok Suvarnabhumi Airport

When did momondo last update prices for flights from Illinois to Bangkok Suvarnabhumi Airport?
Prices for flights from Illinois to Bangkok Suvarnabhumi Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Bangkok Suvarnabhumi Airport?
As of June 2026, there are 16 operators available to choose from for flights from Illinois to Bangkok Suvarnabhumi Airport.
How old do you have to be to fly from Illinois to Bangkok Suvarnabhumi Airport?
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 Illinois to Bangkok Suvarnabhumi Airport.
What documentation or ID do you need to fly to Bangkok Suvarnabhumi Airport?
The travel and health documents you'll need for your trip to Bangkok Suvarnabhumi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bangkok Suvarnabhumi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Bangkok Suvarnabhumi Airport

Compare and see reviews for airlines that fly from Illinois to Bangkok Suvarnabhumi Airport with momondo

Airline	Rating	Free Cancellation	Price
Air India	PriceFrom $602	Free Cancellation	Rating 5.5 2,958 reviews	Search Air India flights
Cathay Pacific	PriceFrom $665	Free Cancellation	Rating 7.6 1,389 reviews	Search Cathay Pacific flights
ANA	PriceFrom $679	Free Cancellation	Rating 8.3 1,251 reviews	Search ANA flights
Korean Air	PriceFrom $698	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air flights
United Airlines	PriceFrom $702	Free Cancellation	Rating 7.4 9,882 reviews	Search United Airlines flights
Turkish Airlines	PriceFrom $710	Free Cancellation	Rating 7.4 4,414 reviews	Search Turkish Airlines flights
Delta	PriceFrom $748	Free Cancellation	Rating 7.8 8,433 reviews	Search Delta flights
American Airlines	PriceFrom $790	Free Cancellation	Rating 7.1 11,751 reviews	Search American Airlines flights
EVA Air	PriceFrom $804	Free Cancellation	Rating 8.5 1,481 reviews	Search EVA Air flights
Japan Airlines	PriceFrom $815	Free Cancellation	Rating 8.3 1,849 reviews	Search Japan Airlines flights

Pattaya

Ko Samet

Kanchanaburi

Cha-am

Chonburi

Ko Lan

Sattahip

Ayutthaya

Pak Chong

Phetchaburi

Why use momondo?

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

Finding the right flight to Bangkok from Illinois 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 Bangkok quick and easy, saving you time and money.

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

Yes. All flights to Bangkok from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Illinois to Bangkok flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

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Flights to Bangkok Don Mueang Intl Airportfrom $1,032

Cheap flights from Illinois to Bangkok from $557

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Bangkok departing on 8/31. 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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Qatar Airways flights from Illinois to Bangkok Suvarnabhumi Airport

Our best Qatar Airways deals on Illinois to Bangkok Suvarnabhumi Airport flight tickets

EVA Air flights from Illinois to Bangkok Suvarnabhumi Airport

Our best EVA Air deals on Illinois to Bangkok Suvarnabhumi Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Bangkok Suvarnabhumi Airport that are best for you.

See travel insights to Bangkok from

How to get the cheapest flight ticket from Illinois to Bangkok Suvarnabhumi Airport

What is the cheapest month to fly to Bangkok Suvarnabhumi Airport?

How far in advance should I book a flight from Illinois to Bangkok Suvarnabhumi Airport?

Can stopping save me money on Illinois to Bangkok Suvarnabhumi Airport flights?

What is the cheapest airline that flies from Illinois to Bangkok Suvarnabhumi?

What airlines fly to Bangkok Suvarnabhumi Airport?

How long does it take to fly to Bangkok Suvarnabhumi Airport?

Cheap Illinois to Bangkok Suvarnabhumi Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Bangkok Suvarnabhumi Airport

Fastest flight time

Direct flights

Frequently asked questions about flying from Illinois to Bangkok Suvarnabhumi Airport

Best airlines flying from Illinois to Bangkok Suvarnabhumi Airport

Compare and see reviews for airlines that fly from Illinois to Bangkok Suvarnabhumi Airport with momondo

Traveling to a place near Bangkok?

Why use momondo?

An easier way to manage your Bangkok Suvarnabhumi Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Bangkok

Popular cities in Thailand

Popular flights according to clicks in the last 7 days on momondo

Illinois flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

Fly your favorite airline to Bangkok

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Bangkok. Availability may vary depending on flight origin and airline.

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