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 32% 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.

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

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

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 9 as of September 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.

$547 Cheap Flights from Bangkok to Illinois in 2025

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Find the cheapest flights from Bangkok to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

8:15 am - 2:41 pmBKK-ORD

19h 26m1 stop

8:20 pm - 4:20 amORD-BKK

43h 00m1 stop

$824

Find Deal

Mon, Nov 3 - Mon, Nov 17

8:15 am - 2:41 pmBKK-ORD

19h 26m1 stop

8:20 pm - 4:20 amORD-BKK

43h 00m1 stop

$827

Find Deal

Mon, Nov 3 - Mon, Nov 17

8:00 pm - 2:41 pmBKK-ORD

31h 41m2 stops

11:50 am - 4:20 amORD-BKK

27h 30m1 stop

$829

Find Deal

Mon, Nov 3 - Mon, Nov 17

9:35 am - 4:35 amBKK-ORD

31h 00m2 stops

3:40 pm - 11:25 amORD-BKK

31h 45m2 stops

$972United Airlines

Find Deal

Tue, Oct 7 - Tue, Oct 28

12:55 am - 8:30 amBKK-ORD

20h 35m1 stop

11:15 am - 11:20 pmORD-BKK

23h 05m1 stop

$986Korean Air

Find Deal

Sun, Nov 2 - Mon, Nov 17

12:55 am - 8:30 amBKK-ORD

20h 35m1 stop

11:15 am - 1:25 pmORD-BKK

37h 10m1 stop

$989Korean Air

Find Deal

Sun, Nov 2 - Mon, Nov 17

11:40 am - 11:08 pmBKK-STL

24h 28m2 stops

6:15 am - 12:10 amSTL-BKK

29h 55m2 stops

$1,174Cathay Pacific

Find Deal

Thu, Mar 5 - Mon, Mar 9

12:25 am - 10:59 pmBKK-STL

34h 34m2 stops

9:58 am - 11:35 pmSTL-BKK

49h 37m2 stops

$1,297Japan Airlines

Find Deal

Fri, Sep 26 - Sat, Oct 25

11:00 am - 10:50 pmBKK-STL

23h 50m2 stops

9:58 am - 10:40 amSTL-BKK

36h 42m2 stops

$1,315Cathay Pacific

Find Deal

Sat, Sep 27 - Sat, Oct 25

9:10 am - 7:25 pmBKK-STL

23h 15m2 stops

11:20 am - 11:25 amSTL-BKK

36h 05m3 stops

$1,429United Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

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

24h 15m

2 stops

ORD7:30 pmChicago O'Hare Intl

Nov 17

ORD3:40 pmChicago O'Hare Intl

25h 50m

1 stop

BKK6:30 amBangkok Suvarnabhumi

$871

Find similar

Air Canada

Nov 19

BKK8:15 amBangkok Suvarnabhumi

24h 45m

2 stops

ORD8:00 pmChicago O'Hare Intl

Jan 30

ORD3:40 pmChicago O'Hare Intl

25h 50m

1 stop

BKK6:30 amBangkok Suvarnabhumi

$931

Find similar

Air Canada

Nov 19

BKK8:15 amBangkok Suvarnabhumi

24h 45m

2 stops

ORD8:00 pmChicago O'Hare Intl

Jan 30

ORD8:45 amChicago O'Hare Intl

32h 45m

2 stops

BKK6:30 amBangkok Suvarnabhumi

$938

Find similar

ANA flights from Bangkok to Illinois

Our best ANA deals on Bangkok to Illinois flight tickets

ANA

Sep 12

BKK1:55 pmBangkok Suvarnabhumi

37h 15m

1 stop

ORD3:10 pmChicago O'Hare Intl

Sep 19

ORD5:45 pmChicago O'Hare Intl

22h 50m

1 stop

BKK4:35 amBangkok Suvarnabhumi

$1,043

Find similar

ANA

Sep 12

BKK1:55 pmBangkok Suvarnabhumi

37h 15m

1 stop

ORD3:10 pmChicago O'Hare Intl

Sep 19

ORD5:45 pmChicago O'Hare Intl

24h 15m

1 stop

BKK6:00 amBangkok Suvarnabhumi

$1,049

Find similar

ANA

Sep 12

BKK1:55 pmBangkok Suvarnabhumi

37h 15m

1 stop

ORD3:10 pmChicago O'Hare Intl

Sep 19

ORD5:45 pmChicago O'Hare Intl

22h 50m

1 stop

BKK4:35 amBangkok Suvarnabhumi

$1,051

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 11/3

8:15 am-2:41 pm

1 stop19h 26m

Chicago O'Hare Intl

Mon 11/17

8:20 pm-4:20 am

1 stop43h 00m

$824

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 11/3

8:15 am-2:41 pm

1 stop19h 26m

Chicago O'Hare Intl

Mon 11/17

8:20 pm-4:20 am

1 stop43h 00m

$827

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 11/3

8:00 pm-2:41 pm

2 stops31h 41m

Chicago O'Hare Intl

Mon 11/17

11:50 am-4:20 am

1 stop27h 30m

$829

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 10/7

9:35 am-4:35 am

2 stops31h 00m

Chicago O'Hare Intl

Tue 10/28

3:40 pm-11:25 am

2 stops31h 45m

$972

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 11/2

12:55 am-8:30 am

1 stop20h 35m

Chicago O'Hare Intl

Mon 11/17

11:15 am-11:20 pm

1 stop23h 05m

$986

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 11/2

12:55 am-8:30 am

1 stop20h 35m

Chicago O'Hare Intl

Mon 11/17

11:15 am-1:25 pm

1 stop37h 10m

$989

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 3/5

11:40 am-11:08 pm

2 stops24h 28m

Lambert-St Louis

Mon 3/9

6:15 am-12:10 am

2 stops29h 55m

$1,174

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 9/26

12:25 am-10:59 pm

2 stops34h 34m

Lambert-St Louis

Sat 10/25

9:58 am-11:35 pm

2 stops49h 37m

$1,297

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 9/27

11:00 am-10:50 pm

2 stops23h 50m

Lambert-St Louis

Sat 10/25

9:58 am-10:40 am

2 stops36h 42m

$1,315

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 3/5

9:10 am-7:25 pm

2 stops23h 15m

Lambert-St Louis

Mon 3/9

11:20 am-11:25 am

3 stops36h 05m

$1,429

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 September is also cheap. Prices for this month can be found on momondo for an average of $1,060.

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 $1,133 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 9 as of September 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
Delta	PriceFrom $548	Free Cancellation	Rating 7.9 7,960 reviews	Search Delta flights
Japan Airlines	PriceFrom $681	Free Cancellation	Rating 8.3 1,559 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $915	Free Cancellation	Rating 8.4 1,139 reviews	Search Korean Air flights
Cathay Pacific	PriceFrom $950	Free Cancellation	Rating 7.6 993 reviews	Search Cathay Pacific flights
United Airlines	PriceFrom $987	Free Cancellation	Rating 7.4 8,937 reviews	Search United Airlines flights
Thai Airways	PriceFrom $994	Free Cancellation	Rating 7.8 350 reviews	Search Thai Airways flights
ANA	PriceFrom $1,004	Free Cancellation	Rating 8.4 961 reviews	Search ANA flights
EVA Air	PriceFrom $1,060	Free Cancellation	Rating 8.4 1,236 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.