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

Philippine Airlines, Air Canada, and Thai Airways are the most popular carriers operating from Bangkok to Illinois

What airlines fly to Illinois?

EVA Air, ANA and Korean Air are the top three most popular airlines that fly to Illinois from Bangkok according to our data. EVA Air is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 8 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Bangkok to Illinois refresh daily.

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

The number of operators available for flights from Bangkok to Illinois is 8 as of January 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bangkok to Illinois.

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

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$531 Cheap Flights from Bangkok to Illinois in 2026

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Find the cheapest flights from Bangkok to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:50 pm - 11:59 pm

BKK

STL

60h 09m

2 stops

4:20 pm - 12:10 pm

STL

BKK

31h 50m

2 stops

$934Multiple Airlines

lun., mar. 16 - vie., mar. 27

7:35 am - 11:59 pm

BKK

STL

28h 24m

2 stops

7:00 am - 12:10 am

STL

BKK

29h 10m

2 stops

$1,034Multiple Airlines

mar., abr. 21 - mié., may. 6

7:05 am - 4:58 am

BKK

ORD

33h 53m

2 stops

3:45 pm - 5:05 am

ORD

BKK

49h 20m

2 stops

$1,049Air Canada

lun., jun. 29 - mar., jul. 14

8:10 pm - 2:30 pm

DMK

ORD

31h 20m

2 stops

2:30 pm - 2:30 am

ORD

DMK

24h 00m

1 stop

$1,050Multiple Airlines

mié., feb. 11 - lun., mar. 16

7:05 am - 4:58 am

BKK

ORD

33h 53m

2 stops

9:50 am - 11:10 pm

ORD

BKK

25h 20m

2 stops

$1,056Air Canada

lun., jun. 29 - mié., jul. 15

9:35 am - 8:40 am

BKK

ORD

35h 05m

1 stop

5:45 pm - 4:35 am

ORD

BKK

22h 50m

1 stop

$1,059United Airlines

dom., jun. 28 - sáb., jul. 18

9:35 am - 8:40 am

BKK

ORD

35h 05m

1 stop

5:45 pm - 4:35 am

ORD

BKK

22h 50m

1 stop

$1,060United Airlines

dom., jun. 7 - sáb., jul. 18

11:15 pm - 5:37 pm

BKK

MDW

31h 22m

2 stops

6:00 am - 12:55 am

MDW

BKK

29h 55m

2 stops

$1,513Delta

mié., feb. 18 - sáb., feb. 28

12:55 am - 12:29 pm

BKK

MDW

23h 34m

2 stops

9:35 am - 11:20 pm

MDW

BKK

25h 45m

2 stops

$1,743Korean Air

lun., mar. 16 - mié., mar. 18

12:55 am - 12:29 pm

BKK

MDW

23h 34m

2 stops

9:35 am - 12:45 am

MDW

BKK

27h 10m

2 stops

$1,745Korean Air

lun., mar. 16 - mié., mar. 18

Air Canada flights from Bangkok to Illinois

Our best Air Canada deals on Bangkok to Illinois flight tickets

Air Canada

Feb 6

BKK8:15 amBangkok Suvarnabhumi

19h 26m

1 stop

ORD2:41 pmChicago O'Hare Intl

Feb 19

ORD3:35 pmChicago O'Hare Intl

25h 55m

1 stop

BKK6:30 amBangkok Suvarnabhumi

$1,033

Air Canada

Jun 29

BKK7:05 amBangkok Suvarnabhumi

33h 53m

2 stops

ORD4:58 amChicago O'Hare Intl

Jul 14

ORD3:45 pmChicago O'Hare Intl

49h 20m

2 stops

BKK5:05 amBangkok Suvarnabhumi

$1,049

Air Canada

Jun 29

BKK7:05 amBangkok Suvarnabhumi

33h 53m

2 stops

ORD4:58 amChicago O'Hare Intl

Jul 15

ORD9:50 amChicago O'Hare Intl

25h 20m

2 stops

BKK11:10 pmBangkok Suvarnabhumi

$1,056

United Airlines flights from Bangkok to Illinois

Our best United Airlines deals on Bangkok to Illinois flight tickets

United Airlines

Jun 28

BKK9:35 amBangkok Suvarnabhumi

35h 05m

1 stop

ORD8:40 amChicago O'Hare Intl

Jul 18

ORD5:45 pmChicago O'Hare Intl

22h 50m

1 stop

BKK4:35 amBangkok Suvarnabhumi

$1,059

United Airlines

Jun 7

BKK9:35 amBangkok Suvarnabhumi

35h 05m

1 stop

ORD8:40 amChicago O'Hare Intl

Jul 18

ORD5:45 pmChicago O'Hare Intl

22h 50m

1 stop

BKK4:35 amBangkok Suvarnabhumi

$1,060

United Airlines

Jul 3

BKK7:00 amBangkok Suvarnabhumi

19h 55m

1 stop

ORD2:55 pmChicago O'Hare Intl

Jul 18

ORD5:45 pmChicago O'Hare Intl

22h 50m

1 stop

BKK4:35 amBangkok Suvarnabhumi

$1,061

Fly from

Fly to

Route

Depart

Return

Price

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

lun. 3/16

11:50 pm-11:59 pm

2 stops60h 09m

Lambert-St Louis

vie. 3/27

4:20 pm-12:10 pm

2 stops31h 50m

$934

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

mar. 4/21

7:35 am-11:59 pm

2 stops28h 24m

Lambert-St Louis

mié. 5/6

7:00 am-12:10 am

2 stops29h 10m

$1,034

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

lun. 6/29

7:05 am-4:58 am

2 stops33h 53m

Chicago O'Hare Intl

mar. 7/14

3:45 pm-5:05 am

2 stops49h 20m

$1,049

BangkokChicago

DMK - ORD

DMKORD

Bangkok Don Mueang Intl

mié. 2/11

8:10 pm-2:30 pm

2 stops31h 20m

Chicago O'Hare Intl

lun. 3/16

2:30 pm-2:30 am

1 stop24h 00m

$1,050

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

lun. 6/29

7:05 am-4:58 am

2 stops33h 53m

Chicago O'Hare Intl

mié. 7/15

9:50 am-11:10 pm

2 stops25h 20m

$1,056

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

dom. 6/28

9:35 am-8:40 am

1 stop35h 05m

Chicago O'Hare Intl

sáb. 7/18

5:45 pm-4:35 am

1 stop22h 50m

$1,059

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

dom. 6/7

9:35 am-8:40 am

1 stop35h 05m

Chicago O'Hare Intl

sáb. 7/18

5:45 pm-4:35 am

1 stop22h 50m

$1,060

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

mié. 2/18

11:15 pm-5:37 pm

2 stops31h 22m

Chicago Midway

sáb. 2/28

6:00 am-12:55 am

2 stops29h 55m

$1,513

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

lun. 3/16

12:55 am-12:29 pm

2 stops23h 34m

Chicago Midway

mié. 3/18

9:35 am-11:20 pm

2 stops25h 45m

$1,743

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

lun. 3/16

12:55 am-12:29 pm

2 stops23h 34m

Chicago Midway

mié. 3/18

9:35 am-12:45 am

2 stops27h 10m

$1,745

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 Bangkok to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Bangkok is in February. Flight prices, which tend to average around $1,023, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,024.

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

You are more likely to see cheaper flights to Illinois from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $1,126 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Bangkok for as low as $987 on momondo.

Cheap Bangkok to Illinois flight deals and tips

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

Fastest flight time	22h 50m
Direct flights	None

The fastest flight from Bangkok to Illinois takes 22h 50m

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

Search flight deals

When did momondo last update prices for flights from Bangkok to Illinois?
Prices for flights from Bangkok to Illinois refresh daily.
How many operators does momondo search for flights from Bangkok to Illinois?
The number of operators available for flights from Bangkok to Illinois is 8 as of January 2026.
How old do you have to be to fly from Bangkok to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bangkok to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Bangkok to Illinois

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

Airline	Rating	Free Cancellation	Price
Japan Airlines	PriceFrom $681	Free Cancellation	Rating 8.3 1,691 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $902	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights
ANA	PriceFrom $983	Free Cancellation	Rating 8.4 1,078 reviews	Search ANA flights
United Airlines	PriceFrom $1,003	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights
Cathay Pacific	PriceFrom $1,036	Free Cancellation	Rating 7.6 1,148 reviews	Search Cathay Pacific flights
EVA Air	PriceFrom $1,063	Free Cancellation	Rating 8.4 1,334 reviews	Search EVA Air flights
Turkish Airlines	PriceFrom $1,087	Free Cancellation	Rating 7.3 4,208 reviews	Search Turkish Airlines flights
Thai Airways	PriceFrom $1,106	Free Cancellation	Rating 7.8 380 reviews	Search Thai Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Bangkok to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Bangkok to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Bangkok and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Illinois from Bangkok are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.