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

Japan Airlines, Cathay Pacific, and IndiGo are the most popular carriers operating from Illinois to Bangkok Suvarnabhumi

What airlines fly to Bangkok Suvarnabhumi Airport?

EVA Air, ANA and Korean Air 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 27% of people opting to fly with this airline when traveling to Bangkok Suvarnabhumi Airport. Keep in mind that there are 18 different airlines that fly to Bangkok Suvarnabhumi Airport on a routine basis, so you have a few additional options to choose from.

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 24h 02m on average. On the other hand, flying from Peoria to Bangkok Suvarnabhumi Airport takes 32h 27m 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.

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 November 2025, there are 18 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.

$338 Cheap Flights from Illinois to Bangkok Suvarnabhumi Airport in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

11:50 am - 4:20 amORD-BKK

27h 30m1 stop

11:15 am - 6:15 pmBKK-ORD

43h 00m1 stop

$793Turkish Airlines

Find Deal

Thu, Feb 26 - Wed, Apr 22

11:50 am - 3:05 pmORD-BKK

38h 15m1 stop

5:50 am - 10:05 amBKK-ORD

41h 15m1 stop

$794Turkish Airlines

Find Deal

Sat, Jan 17 - Sat, Jan 24

4:25 pm - 5:10 amORD-BKK

23h 45m1 stop

9:10 am - 7:20 amBKK-ORD

35h 10m1 stop

$796United Airlines

Find Deal

Mon, Jan 12 - Sun, Jan 25

10:41 am - 11:25 amORD-BKK

35h 44m2 stops

9:10 am - 3:10 pmBKK-ORD

19h 00m1 stop

$800United Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 27

6:00 am - 12:45 amMDW-BKK

29h 45m2 stops

2:35 am - 9:45 pmBKK-MDW

31h 10m2 stops

$906Delta

Find Deal

Mon, Feb 16 - Tue, Apr 28

9:20 am - 11:40 pmMDW-BKK

26h 20m2 stops

9:50 am - 8:38 amBKK-MDW

34h 48m2 stops

$911Delta

Find Deal

Thu, Apr 2 - Thu, Apr 23

6:19 pm - 11:15 amSTL-BKK

27h 56m2 stops

12:20 pm - 11:59 pmBKK-STL

24h 39m2 stops

$919Multiple Airlines

Find Deal

Sat, Feb 7 - Fri, Feb 27

6:19 pm - 11:15 amSTL-BKK

27h 56m2 stops

12:20 pm - 11:59 pmBKK-STL

24h 39m2 stops

$926Multiple Airlines

Find Deal

Sat, Feb 7 - Fri, Feb 27

6:00 am - 4:25 pmSTL-BKK

45h 25m2 stops

1:10 am - 11:48 pmBKK-STL

35h 38m2 stops

$950Japan Airlines

Find Deal

Wed, Jan 7 - Tue, Mar 3

6:00 am - 4:25 pmSTL-BKK

45h 25m2 stops

1:10 am - 11:59 pmBKK-STL

35h 49m2 stops

$967Japan Airlines

Find Deal

Wed, Jan 7 - Wed, Jan 14

United Airlines flights from Illinois to Bangkok Suvarnabhumi Airport

Our best United Airlines deals on Illinois to Bangkok Suvarnabhumi Airport flight tickets

United Airlines

Jan 12

ORD4:25 pmChicago O'Hare Intl

23h 45m

1 stop

BKK5:10 amBangkok Suvarnabhumi

Jan 25

BKK9:10 amBangkok Suvarnabhumi

35h 10m

1 stop

ORD7:20 amChicago O'Hare Intl

$796

Find similar

United Airlines

Jan 13

ORD4:10 pmChicago O'Hare Intl

30h 15m

2 stops

BKK11:25 amBangkok Suvarnabhumi

Jan 25

BKK9:10 amBangkok Suvarnabhumi

35h 10m

1 stop

ORD7:20 amChicago O'Hare Intl

$800

Find similar

United Airlines

Jan 12

ORD8:50 amChicago O'Hare Intl

31h 20m

2 stops

BKK5:10 amBangkok Suvarnabhumi

Jan 25

BKK9:10 amBangkok Suvarnabhumi

35h 10m

1 stop

ORD7:20 amChicago O'Hare Intl

$801

Find similar

Delta flights from Illinois to Bangkok Suvarnabhumi Airport

Our best Delta deals on Illinois to Bangkok Suvarnabhumi Airport flight tickets

Delta

Feb 16

MDW6:00 amChicago Midway

29h 45m

2 stops

BKK12:45 amBangkok Suvarnabhumi

Apr 27

BKK2:35 amBangkok Suvarnabhumi

31h 10m

2 stops

MDW9:45 pmChicago Midway

$906

Find similar

Delta

Apr 2

MDW9:20 amChicago Midway

26h 20m

2 stops

BKK11:40 pmBangkok Suvarnabhumi

Apr 23

BKK9:50 amBangkok Suvarnabhumi

34h 48m

2 stops

MDW8:38 amChicago Midway

$911

Find similar

Delta

Feb 25

MDW6:00 amChicago Midway

28h 20m

2 stops

BKK11:20 pmBangkok Suvarnabhumi

Apr 23

BKK9:50 amBangkok Suvarnabhumi

34h 48m

2 stops

MDW8:38 amChicago Midway

$912

Find similar

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

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 2/26

11:50 am-4:20 am

1 stop27h 30m

Bangkok Suvarnabhumi

Wed 4/22

11:15 am-6:15 pm

1 stop43h 00m

$793

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sat 1/17

11:50 am-3:05 pm

1 stop38h 15m

Bangkok Suvarnabhumi

Sat 1/24

5:50 am-10:05 am

1 stop41h 15m

$794

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 1/12

4:25 pm-5:10 am

1 stop23h 45m

Bangkok Suvarnabhumi

Sun 1/25

9:10 am-7:20 am

1 stop35h 10m

$796

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 1/13

10:41 am-11:25 am

2 stops35h 44m

Bangkok Suvarnabhumi

Tue 1/27

9:10 am-3:10 pm

1 stop19h 00m

$800

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Mon 2/16

6:00 am-12:45 am

2 stops29h 45m

Bangkok Suvarnabhumi

Tue 4/28

2:35 am-9:45 pm

2 stops31h 10m

$906

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Thu 4/2

9:20 am-11:40 pm

2 stops26h 20m

Bangkok Suvarnabhumi

Thu 4/23

9:50 am-8:38 am

2 stops34h 48m

$911

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Sat 2/7

6:19 pm-11:15 am

2 stops27h 56m

Bangkok Suvarnabhumi

Fri 2/27

12:20 pm-11:59 pm

2 stops24h 39m

$919

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Sat 2/7

6:19 pm-11:15 am

2 stops27h 56m

Bangkok Suvarnabhumi

Fri 2/27

12:20 pm-11:59 pm

2 stops24h 39m

$926

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Wed 1/7

6:00 am-4:25 pm

2 stops45h 25m

Bangkok Suvarnabhumi

Tue 3/3

1:10 am-11:48 pm

2 stops35h 38m

$950

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Wed 1/7

6:00 am-4:25 pm

2 stops45h 25m

Bangkok Suvarnabhumi

Wed 1/14

1:10 am-11:59 pm

2 stops35h 49m

$967

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 September is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Illinois, with most prices found around $821. The month of October is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Illinois averaging around $837.

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

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Tuesday when prices can be found for as low as $995. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,268.

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

Our most recent data shows that the best time of day to fly to Bangkok Suvarnabhumi Airport is at noon. Flights from Illinois to Bangkok Suvarnabhumi Airport during this time can be as low as $964. In the evening is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $1,146 per ticket.

How far in advance should I book a flight 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 $1,003 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 $857 on momondo.

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

You could potentially save up to 30% 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

Direct flights	None

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

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 November 2025, there are 18 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 $625	Free Cancellation	Rating 5.5 2,943 reviews	Search Air India flights
Cathay Pacific	PriceFrom $674	Free Cancellation	Rating 7.6 1,064 reviews	Search Cathay Pacific flights
ANA	PriceFrom $681	Free Cancellation	Rating 8.4 1,009 reviews	Search ANA flights
Korean Air	PriceFrom $698	Free Cancellation	Rating 8.4 1,170 reviews	Search Korean Air flights
United Airlines	PriceFrom $708	Free Cancellation	Rating 7.4 9,029 reviews	Search United Airlines flights
IndiGo	PriceFrom $735	Free Cancellation	Rating 6.9 497 reviews	Search IndiGo flights
Turkish Airlines	PriceFrom $742	Free Cancellation	Rating 7.3 4,044 reviews	Search Turkish Airlines flights
Delta	PriceFrom $745	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
Etihad Airways	PriceFrom $800	Free Cancellation	Rating 7.4 1,309 reviews	Search Etihad Airways flights
Japan Airlines	PriceFrom $825	Free Cancellation	Rating 8.3 1,624 reviews	Search Japan Airlines flights

Pattaya

Ko Samet

Kanchanaburi

Cha-am

Chonburi

Ayutthaya

Ko Lan

Pak Chong

Sattahip

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 12/20

Sat 12/27

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bangkok

Popular cities in Thailand

Flights to Bangkok Don Mueang Intl Airportfrom $772

Cheap flights from Illinois to Bangkok from $338

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 1/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to Bangkok

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

United Airlines flights from Illinois to Bangkok Suvarnabhumi Airport

Our best United Airlines deals on Illinois to Bangkok Suvarnabhumi Airport flight tickets

Delta flights from Illinois to Bangkok Suvarnabhumi Airport

Our best Delta 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

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 cheapest month to fly to Bangkok Suvarnabhumi Airport?

The month of September is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Illinois, with most prices found around $821. The month of October is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Illinois averaging around $837.

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

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

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

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

You could potentially save up to 30% on your flight if you consider stops on a Illinois to Bangkok Suvarnabhumi Airport flight.

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

Japan Airlines, Cathay Pacific, and IndiGo are the most popular carriers operating 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

Direct flights

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

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

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

What documentation or ID do you need to fly 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?

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

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

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

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

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