What airlines fly to Illinois?

EVA Air, ANA and Korean Air are the top three most popular airlines that fly to Illinois from Thailand according to our data. EVA Air is the first choice among our users, with 44% 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.

How long is the flight from Thailand to Illinois?

The flight from Thailand to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Chiang Mai (a popular airport in Thailand) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 21h 25m on average. If you fly from Bangkok (another popular airport in Thailand) to Chicago O'Hare Intl Airport, then the average flight time is 27h 41m.

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

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

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

Prices for flights from Thailand to Illinois refresh daily.

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

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand 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 Thailand to Illinois in 2026

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Find the cheapest flights from Thailand to Illinois

Round-trip

One-way

Last minute

Recent round-trip flight deals from Thailand to Illinois

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

11:35 am - 6:20 am

CNX

ORD

30h 45m

2 stops

7:40 pm - 10:25 am

ORD

CNX

26h 45m

2 stops

$1,000EVA Air

sáb., jun. 13 - mar., jul. 21

11:20 am - 6:20 am

CNX

ORD

31h 00m

2 stops

6:53 pm - 10:20 am

ORD

CNX

27h 27m

2 stops

$1,001Multiple Airlines

sáb., jun. 13 - mar., jul. 21

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

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

EVA Air flights from Thailand to Illinois

Our best EVA Air deals on Thailand to Illinois flight tickets

EVA Air

Jun 13

CNX11:35 amChiang Mai

30h 45m

2 stops

ORD6:20 amChicago O'Hare Intl

Jul 21

ORD7:40 pmChicago O'Hare Intl

26h 45m

2 stops

CNX10:25 amChiang Mai

$1,000

EVA Air

Jun 13

CNX11:35 amChiang Mai

21h 25m

1 stop

ORD9:00 pmChicago O'Hare Intl

Jul 21

ORD6:53 pmChicago O'Hare Intl

27h 32m

2 stops

CNX10:25 amChiang Mai

$1,067

EVA Air

Jun 13

CNX11:35 amChiang Mai

21h 25m

1 stop

ORD9:00 pmChicago O'Hare Intl

Jul 21

ORD6:53 pmChicago O'Hare Intl

27h 32m

2 stops

CNX10:25 amChiang Mai

$1,071

Air Canada flights from Thailand to Illinois

Our best Air Canada deals on Thailand 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

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

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

sáb. 6/13

11:35 am-6:20 am

2 stops30h 45m

Chicago O'Hare Intl

mar. 7/21

7:40 pm-10:25 am

2 stops26h 45m

$1,000

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

sáb. 6/13

11:20 am-6:20 am

2 stops31h 00m

Chicago O'Hare Intl

mar. 7/21

6:53 pm-10:20 am

2 stops27h 27m

$1,001

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

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 Thailand 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

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Thailand 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 Thailand 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 Thailand for as low as $987 on momondo.

Can stopping save me money on Thailand to Illinois flights?

You could potentially save up to 42% on your flight if you consider stops on a Thailand to Illinois flight.

Cheap Thailand to Illinois flight deals and tips

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

Fastest flight time	22h 50m
Direct flights	None

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

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

Search flight deals

When did momondo last update prices for flights from Thailand to Illinois?
Prices for flights from Thailand to Illinois refresh daily.
How many operators does momondo search for flights from Thailand to Illinois?
The number of operators available for flights from Thailand to Illinois is 8 as of January 2026.
How old do you have to be to fly from Thailand to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand 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 Thailand to Illinois

Compare and see reviews for airlines that fly from Thailand 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
EVA Air	PriceFrom $993	Free Cancellation	Rating 8.4 1,334 reviews	Search EVA Air 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
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 Thailand to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Thailand to Illinois for you.

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

momondo does allow users to show only those flights to Illinois from Thailand which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Thailand 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 Thailand to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Thailand to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.