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

IndiGo and Turkish Airlines are the most popular carriers operating from Bangkok to Illinois

What airlines fly to Illinois?

EVA Air, Korean Air and ANA 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 30% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 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 October 2025.

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.

$434 Cheap Flights from Bangkok to Illinois in 2025/26

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Find the cheapest flights from Bangkok to Illinois

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:20 pm - 6:21 amBKK-ORD

30h 01m2 stops

3:35 pm - 12:00 pmORD-BKK

31h 25m2 stops

$814Multiple Airlines

Find Deal

Sun, Dec 7 - Wed, Jan 14

1:30 pm - 5:00 amBKK-ORD

27h 30m2 stops

3:09 pm - 12:05 pmORD-BKK

32h 56m2 stops

$873Multiple Airlines

Find Deal

Wed, Apr 15 - Wed, Sep 23

1:20 pm - 6:29 amBKK-ORD

30h 09m2 stops

1:30 pm - 7:50 amORD-BKK

29h 20m1 stop

$880Multiple Airlines

Find Deal

Wed, Dec 24 - Wed, Feb 11

12:55 am - 8:40 amBKK-ORD

20h 45m1 stop

11:25 am - 1:25 pmORD-BKK

37h 00m1 stop

$968Korean Air

Find Deal

Tue, Feb 10 - Fri, Feb 20

12:55 am - 8:40 amBKK-ORD

20h 45m1 stop

12:25 pm - 12:55 amORD-BKK

24h 30m1 stop

$1,010Korean Air

Find Deal

Thu, Mar 5 - Fri, Mar 20

4:55 pm - 10:57 pmBKK-STL

43h 02m2 stops

11:18 am - 12:15 amSTL-BKK

24h 57m2 stops

$1,147Cathay Pacific

Find Deal

Thu, Mar 5 - Mon, Mar 9

5:40 pm - 11:48 pmBKK-STL

43h 08m2 stops

11:18 am - 12:15 amSTL-BKK

24h 57m2 stops

$1,159Cathay Pacific

Find Deal

Thu, Mar 5 - Mon, Mar 9

9:35 am - 9:16 pmBKK-PIA

47h 41m2 stops

8:50 am - 9:45 amPIA-BKK

36h 55m3 stops

$1,229United Airlines

Find Deal

Wed, Apr 22 - Sun, Apr 26

9:35 am - 9:16 pmBKK-PIA

47h 41m2 stops

8:50 am - 11:55 pmPIA-BKK

27h 05m2 stops

$1,233United Airlines

Find Deal

Wed, Apr 22 - Sun, Apr 26

5:15 pm - 11:59 pmBKK-STL

43h 44m2 stops

5:26 pm - 11:10 amSTL-BKK

28h 44m2 stops

$1,935EVA Air

Find Deal

Sun, Dec 14 - Sun, Dec 21

IndiGo flights from Bangkok to Illinois

Our best IndiGo deals on Bangkok to Illinois flight tickets

IndiGo

Dec 16

BKK10:10 amBangkok Suvarnabhumi

45h 15m

2 stops

ORD6:25 pmChicago O'Hare Intl

Jan 6

ORD11:50 amChicago O'Hare Intl

44h 15m

2 stops

BKK9:05 pmBangkok Suvarnabhumi

$892

Find similar

IndiGo

Dec 16

BKK10:10 amBangkok Suvarnabhumi

45h 15m

2 stops

ORD6:25 pmChicago O'Hare Intl

Jan 6

ORD11:50 amChicago O'Hare Intl

44h 15m

2 stops

BKK9:05 pmBangkok Suvarnabhumi

$898

Find similar

IndiGo

Dec 16

BKK10:10 amBangkok Suvarnabhumi

45h 15m

2 stops

ORD6:25 pmChicago O'Hare Intl

Jan 6

ORD11:50 amChicago O'Hare Intl

44h 15m

2 stops

BKK9:05 pmBangkok Suvarnabhumi

$902

Find similar

Air Canada flights from Bangkok to Illinois

Our best Air Canada deals on Bangkok to Illinois flight tickets

Air Canada

Nov 3

BKK8:15 amBangkok Suvarnabhumi

19h 26m

1 stop

ORD2:41 pmChicago O'Hare Intl

Nov 17

ORD12:50 pmChicago O'Hare Intl

28h 40m

2 stops

BKK6:30 amBangkok Suvarnabhumi

$920

Find similar

Air Canada

Nov 3

BKK8:15 amBangkok Suvarnabhumi

24h 15m

2 stops

ORD7:30 pmChicago O'Hare Intl

Nov 17

ORD12:50 pmChicago O'Hare Intl

28h 40m

2 stops

BKK6:30 amBangkok Suvarnabhumi

$921

Find similar

Air Canada

Feb 11

BKK8:15 amBangkok Suvarnabhumi

19h 26m

1 stop

ORD2:41 pmChicago O'Hare Intl

Feb 20

ORD3:40 pmChicago O'Hare Intl

25h 50m

1 stop

BKK6:30 amBangkok Suvarnabhumi

$941

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 12/7

1:20 pm-6:21 am

2 stops30h 01m

Chicago O'Hare Intl

Wed 1/14

3:35 pm-12:00 pm

2 stops31h 25m

$814

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 4/15

1:30 pm-5:00 am

2 stops27h 30m

Chicago O'Hare Intl

Wed 9/23

3:09 pm-12:05 pm

2 stops32h 56m

$873

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 12/24

1:20 pm-6:29 am

2 stops30h 09m

Chicago O'Hare Intl

Wed 2/11

1:30 pm-7:50 am

1 stop29h 20m

$880

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 2/10

12:55 am-8:40 am

1 stop20h 45m

Chicago O'Hare Intl

Fri 2/20

11:25 am-1:25 pm

1 stop37h 00m

$968

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 3/5

12:55 am-8:40 am

1 stop20h 45m

Chicago O'Hare Intl

Fri 3/20

12:25 pm-12:55 am

1 stop24h 30m

$1,010

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 3/5

4:55 pm-10:57 pm

2 stops43h 02m

Lambert-St Louis

Mon 3/9

11:18 am-12:15 am

2 stops24h 57m

$1,147

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 3/5

5:40 pm-11:48 pm

2 stops43h 08m

Lambert-St Louis

Mon 3/9

11:18 am-12:15 am

2 stops24h 57m

$1,159

BangkokPeoria

BKK - PIA

BKKPIA

Bangkok Suvarnabhumi

Wed 4/22

9:35 am-9:16 pm

2 stops47h 41m

Greater Peoria

Sun 4/26

8:50 am-9:45 am

3 stops36h 55m

$1,229

BangkokPeoria

BKK - PIA

BKKPIA

Bangkok Suvarnabhumi

Wed 4/22

9:35 am-9:16 pm

2 stops47h 41m

Greater Peoria

Sun 4/26

8:50 am-11:55 pm

2 stops27h 05m

$1,233

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 12/14

5:15 pm-11:59 pm

2 stops43h 44m

Lambert-St Louis

Sun 12/21

5:26 pm-11:10 am

2 stops28h 44m

$1,935

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 May is also cheap. Prices for this month can be found on momondo for an average of $1,078.

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

The cheapest day to depart from Bangkok to Illinois is on a Tuesday when prices can be found for as low as $1,042. Flights from Bangkok to Illinois on a Saturday will generally be more expensive and average around $1,158. 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 Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Bangkok to Illinois during this time can be as low as $1,107. Flights in the morning are often more expensive with an average ticket price of $1,117.

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 $1,143 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 $1,037 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

Direct flights	None

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 October 2025.
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 1,596 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $915	Free Cancellation	Rating 8.4 1,155 reviews	Search Korean Air flights
ANA	PriceFrom $983	Free Cancellation	Rating 8.4 998 reviews	Search ANA flights
Thai Airways	PriceFrom $994	Free Cancellation	Rating 7.8 361 reviews	Search Thai Airways flights
United Airlines	PriceFrom $996	Free Cancellation	Rating 7.4 8,996 reviews	Search United Airlines flights
Cathay Pacific	PriceFrom $1,021	Free Cancellation	Rating 7.6 1,044 reviews	Search Cathay Pacific flights
EVA Air	PriceFrom $1,063	Free Cancellation	Rating 8.4 1,268 reviews	Search EVA Air 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.