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

Etihad Airways, United Airlines, and Air India are the most popular carriers operating from Illinois to Thailand

How long is the flight from Illinois to Thailand?

The flight from Illinois to Thailand depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Chicago (a popular airport in Illinois) to Bangkok Suvarnabhumi Airport (the most popular airport in Thailand), then the flight time is 23h 02m on average. If you fly from Moline (another popular airport in Illinois) to Bangkok Suvarnabhumi Airport, then the average flight time is 30h 14m.

What airlines fly to Thailand?

EVA Air, ANA and Korean Air are the top three most popular airlines that fly to Thailand from Illinois according to our data. EVA Air is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 17 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Illinois to Thailand are updated daily.

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

There are 17 operators available for flights from Illinois to Thailand as of March 2026.

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

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 Illinois to Thailand.

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

The required travel and health documents for your Thailand 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 Thailand. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$386 Cheap Flights from Illinois to Thailand in 2026

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Find the cheapest flights from Illinois to Thailand

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:00 pm - 11:55 pm

ORD

HKT

21h 55m

1 stop

9:20 pm - 8:35 am

HKT

ORD

23h 15m

1 stop

$713Etihad Airways

lun., may. 11 - mié., may. 20

1:00 pm - 7:50 am

ORD

HKT

30h 50m

1 stop

8:55 am - 8:35 am

HKT

ORD

35h 40m

1 stop

$725Etihad Airways

mié., abr. 15 - jue., abr. 30

1:00 pm - 6:30 pm

ORD

HKT

41h 30m

1 stop

9:25 am - 9:15 am

HKT

ORD

35h 50m

1 stop

$729Etihad Airways

lun., abr. 13 - mié., abr. 29

1:10 pm - 7:25 am

ORD

HKT

30h 15m

1 stop

8:45 pm - 11:10 am

HKT

ORD

26h 25m

2 stops

$739Air India

mié., sep. 2 - jue., sep. 10

1:10 pm - 4:55 pm

ORD

BKK

39h 45m

1 stop

5:55 pm - 11:10 am

BKK

ORD

29h 15m

2 stops

$843Air India

vie., sep. 11 - sáb., sep. 19

6:04 am - 1:45 pm

ORD

BKK

43h 41m

2 stops

3:25 pm - 9:36 pm

BKK

ORD

42h 11m

2 stops

$848SAUDIA

mar., abr. 21 - sáb., may. 9

2:00 pm - 1:40 pm

ORD

CNX

35h 40m

2 stops

5:40 pm - 8:35 am

CNX

ORD

26h 55m

2 stops

$869Multiple Airlines

mié., may. 13 - mié., may. 20

2:00 pm - 5:15 pm

ORD

CNX

39h 15m

2 stops

8:00 am - 8:35 am

CNX

ORD

36h 35m

2 stops

$889Multiple Airlines

dom., may. 3 - dom., jun. 14

9:30 am - 11:35 pm

MDW

BKK

26h 05m

2 stops

11:30 pm - 12:30 pm

BKK

MDW

25h 00m

2 stops

$903Delta

mié., sep. 16 - mié., sep. 30

9:20 am - 11:35 pm

MDW

BKK

26h 15m

2 stops

2:35 am - 9:46 pm

BKK

MDW

31h 11m

2 stops

$904Delta

lun., jul. 20 - mié., sep. 9

Turkish Airlines flights from Illinois to Thailand

Our best Turkish Airlines deals on Illinois to Thailand flight tickets

Turkish Airlines

Sep 13

ORD8:10 pmChicago O'Hare Intl

31h 15m

1 stop

BKK3:25 pmBangkok Suvarnabhumi

Sep 17

BKK11:15 amBangkok Suvarnabhumi

34h 25m

1 stop

ORD9:40 amChicago O'Hare Intl

$845

Turkish Airlines

Sep 13

ORD8:10 pmChicago O'Hare Intl

25h 35m

1 stop

BKK9:45 amBangkok Suvarnabhumi

Oct 8

BKK11:15 amBangkok Suvarnabhumi

34h 25m

1 stop

ORD9:40 amChicago O'Hare Intl

$859

Turkish Airlines

Sep 6

ORD8:10 pmChicago O'Hare Intl

25h 35m

1 stop

BKK9:45 amBangkok Suvarnabhumi

Sep 15

BKK6:40 amBangkok Suvarnabhumi

39h 00m

1 stop

ORD9:40 amChicago O'Hare Intl

$890

Air India flights from Illinois to Thailand

Our best Air India deals on Illinois to Thailand flight tickets

Air India

Sep 7

ORD1:10 pmChicago O'Hare Intl

42h 35m

1 stop

HKT7:45 pmPhuket City

Oct 1

HKT8:45 pmPhuket City

26h 25m

2 stops

ORD11:10 amChicago O'Hare Intl

$739

Air India

Sep 11

ORD1:10 pmChicago O'Hare Intl

39h 45m

1 stop

BKK4:55 pmBangkok Suvarnabhumi

Sep 19

BKK5:55 pmBangkok Suvarnabhumi

29h 15m

2 stops

ORD11:10 amChicago O'Hare Intl

$843

Air India

Sep 4

ORD1:10 pmChicago O'Hare Intl

39h 45m

1 stop

BKK4:55 pmBangkok Suvarnabhumi

Oct 3

BKK8:40 amBangkok Suvarnabhumi

38h 30m

2 stops

ORD11:10 amChicago O'Hare Intl

$868

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

lun. 5/11

2:00 pm-11:55 pm

1 stop21h 55m

Phuket City

mié. 5/20

9:20 pm-8:35 am

1 stop23h 15m

$713

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

mié. 4/15

1:00 pm-7:50 am

1 stop30h 50m

Phuket City

jue. 4/30

8:55 am-8:35 am

1 stop35h 40m

$725

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

lun. 4/13

1:00 pm-6:30 pm

1 stop41h 30m

Phuket City

mié. 4/29

9:25 am-9:15 am

1 stop35h 50m

$729

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

mié. 9/2

1:10 pm-7:25 am

1 stop30h 15m

Phuket City

jue. 9/10

8:45 pm-11:10 am

2 stops26h 25m

$739

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

vie. 9/11

1:10 pm-4:55 pm

1 stop39h 45m

Bangkok Suvarnabhumi

sáb. 9/19

5:55 pm-11:10 am

2 stops29h 15m

$843

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

mar. 4/21

6:04 am-1:45 pm

2 stops43h 41m

Bangkok Suvarnabhumi

sáb. 5/9

3:25 pm-9:36 pm

2 stops42h 11m

$848

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

mié. 5/13

2:00 pm-1:40 pm

2 stops35h 40m

Chiang Mai

mié. 5/20

5:40 pm-8:35 am

2 stops26h 55m

$869

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

dom. 5/3

2:00 pm-5:15 pm

2 stops39h 15m

Chiang Mai

dom. 6/14

8:00 am-8:35 am

2 stops36h 35m

$889

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

mié. 9/16

9:30 am-11:35 pm

2 stops26h 05m

Bangkok Suvarnabhumi

mié. 9/30

11:30 pm-12:30 pm

2 stops25h 00m

$903

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

lun. 7/20

9:20 am-11:35 pm

2 stops26h 15m

Bangkok Suvarnabhumi

mié. 9/9

2:35 am-9:46 pm

2 stops31h 11m

$904

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 Thailand

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 Thailand?

The month of September is, on average, the cheapest month to fly to Thailand from Illinois, with most prices found around $788. If you are unable to visit Thailand during the month of September, then departing from Illinois during the month October is also very affordable. Most momondo users find prices during this month for around $811.

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

You are more likely to see cheaper flights to Thailand from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around $957 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from Illinois for as low as $843 on momondo.

Can stopping save me money on Illinois to Thailand flights?

You could potentially save up to 7% on your flight if you consider stops on a Illinois to Thailand flight.

Cheap Illinois to Thailand flight deals and tips

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

Fastest flight time	21h 40m
Direct flights	None

The fastest flight from Illinois to Thailand takes 21h 40m

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

Search flight deals

When did momondo last update prices for flights from Illinois to Thailand?
Prices for flights from Illinois to Thailand are updated daily.
How many operators does momondo search for flights from Illinois to Thailand?
There are 17 operators available for flights from Illinois to Thailand as of March 2026.
How old do you have to be to fly from Illinois to Thailand?
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 Illinois to Thailand.
What documentation or ID do you need to fly to Thailand?
The required travel and health documents for your Thailand 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 Thailand. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Thailand

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

Airline	Rating	Free Cancellation	Price
Korean Air	PriceFrom $551	Free Cancellation	Rating 8.4 1,203 reviews	Search Korean Air flights
Air India	PriceFrom $606	Free Cancellation	Rating 5.5 2,973 reviews	Search Air India flights
Cathay Pacific	PriceFrom $666	Free Cancellation	Rating 7.6 1,234 reviews	Search Cathay Pacific flights
ANA	PriceFrom $681	Free Cancellation	Rating 8.4 1,161 reviews	Search ANA flights
United Airlines	PriceFrom $705	Free Cancellation	Rating 7.4 9,530 reviews	Search United Airlines flights
Turkish Airlines	PriceFrom $712	Free Cancellation	Rating 7.4 4,293 reviews	Search Turkish Airlines flights
Delta	PriceFrom $747	Free Cancellation	Rating 7.9 8,364 reviews	Search Delta flights
American Airlines	PriceFrom $779	Free Cancellation	Rating 7.1 11,543 reviews	Search American Airlines flights
Etihad Airways	PriceFrom $799	Free Cancellation	Rating 7.3 1,432 reviews	Search Etihad Airways flights
EVA Air	PriceFrom $807	Free Cancellation	Rating 8.5 1,395 reviews	Search EVA Air flights

Why use momondo?

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

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 Illinois to Thailand for you.

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

Yes. momondo allows you to filter the results for Illinois to Thailand flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Thailand from Illinois.

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

Yes momondo offers price alerts on flights to Thailand from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.