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

Air India, IndiGo, and Japan Airlines are the most popular carriers operating from Chicago to Thailand

What airlines fly to Thailand?

EVA Air, ANA and Korean Air are the top three most popular airlines that fly to Thailand from Chicago 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 Thailand. Keep in mind that there are 18 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 Chicago to Thailand?

Prices for flights from Chicago to Thailand are refreshed on a daily basis.

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

As of December 2025, there are 18 operators available to choose from for flights from Chicago to Thailand.

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

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 Chicago to Thailand.

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

The travel and health documents required for your trip to Thailand can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Thailand. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$370 Cheap Flights from Chicago to Thailand in 2025/26

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Find the cheapest flights from Chicago to Thailand

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 7:30 pm

ORD

HKT

41h 00m1 stop

8:30 pm - 11:30 am

HKT

ORD

28h 00m2 stops

$692Air India

Wed, Jan 14 - Tue, Jan 27

1:10 pm - 7:20 am

ORD

HKT

30h 10m1 stop

8:20 am - 11:10 am

HKT

ORD

38h 50m2 stops

$714Air India

Mon, Mar 30 - Sun, Apr 5

1:30 pm - 7:30 pm

ORD

HKT

41h 00m1 stop

9:10 am - 11:30 am

HKT

ORD

39h 20m2 stops

$731Air India

Wed, Jan 21 - Tue, Jan 27

4:25 pm - 6:30 am

ORD

BKK

25h 05m1 stop

2:25 pm - 7:20 am

BKK

ORD

29h 55m1 stop

$814ANA

Tue, Jan 20 - Tue, Jan 27

6:30 pm - 11:25 am

ORD

BKK

27h 55m2 stops

4:55 pm - 3:10 pm

BKK

ORD

35h 15m2 stops

$818United Airlines

Tue, Jan 20 - Tue, Jan 27

10:41 am - 11:25 am

ORD

BKK

35h 44m2 stops

4:55 pm - 5:18 am

BKK

ORD

25h 23m2 stops

$822United Airlines

Wed, Jan 28 - Tue, Feb 3

6:47 am - 12:20 am

ORD

BKK

28h 33m2 stops

2:25 pm - 7:20 am

BKK

ORD

29h 55m1 stop

$829ANA

Mon, Jan 19 - Mon, Feb 9

11:30 pm - 10:35 am

ORD

CNX

22h 05m1 stop

11:50 am - 8:35 pm

CNX

ORD

20h 45m1 stop

$860EVA Air

Thu, Feb 19 - Sat, Mar 14

12:30 am - 10:35 am

ORD

CNX

22h 05m1 stop

8:00 pm - 9:00 pm

CNX

ORD

37h 00m2 stops

$890EVA Air

Sun, Mar 8 - Mon, Mar 30

9:35 am - 10:55 pm

MDW

CNX

25h 20m2 stops

12:15 am - 12:29 pm

CNX

MDW

24h 14m2 stops

$1,794Korean Air

Mon, Mar 16 - Wed, Mar 18

Cathay Pacific flights from Chicago to Thailand

Our best Cathay Pacific deals on Chicago to Thailand flight tickets

Cathay Pacific

May 3

ORD4:00 pmChicago O'Hare Intl

19h 50m

1 stop

BKK11:50 pmBangkok Suvarnabhumi

May 31

BKK7:00 pmBangkok Suvarnabhumi

31h 25m

1 stop

ORD2:25 pmChicago O'Hare Intl

$825

Find similar

Cathay Pacific

Feb 2

ORD2:35 pmChicago O'Hare Intl

38h 00m

1 stop

HKT5:35 pmPhuket City

Feb 15

HKT6:35 pmPhuket City

31h 20m

1 stop

ORD12:55 pmChicago O'Hare Intl

$836

Find similar

Cathay Pacific

Jan 19

ORD2:35 pmChicago O'Hare Intl

38h 00m

1 stop

HKT5:35 pmPhuket City

Jan 28

HKT6:35 pmPhuket City

31h 20m

1 stop

ORD12:55 pmChicago O'Hare Intl

$837

Find similar

EVA Air flights from Chicago to Thailand

Our best EVA Air deals on Chicago to Thailand flight tickets

EVA Air

Feb 18

ORD11:30 pmChicago O'Hare Intl

23h 00m

1 stop

BKK11:30 amBangkok Suvarnabhumi

Apr 27

BKK11:10 amBangkok Suvarnabhumi

21h 50m

1 stop

ORD9:00 pmChicago O'Hare Intl

$833

Find similar

EVA Air

Jan 24

ORD11:30 pmChicago O'Hare Intl

23h 00m

1 stop

BKK11:30 amBangkok Suvarnabhumi

Feb 4

BKK11:20 amBangkok Suvarnabhumi

21h 15m

1 stop

ORD7:35 pmChicago O'Hare Intl

$845

Find similar

EVA Air

Feb 19

ORD11:30 pmChicago O'Hare Intl

22h 05m

1 stop

CNX10:35 amChiang Mai

Mar 14

CNX11:50 amChiang Mai

20h 45m

1 stop

ORD8:35 pmChicago O'Hare Intl

$860

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Wed 1/14

1:30 pm-7:30 pm

1 stop41h 00m

Phuket City

Tue 1/27

8:30 pm-11:30 am

2 stops28h 00m

$692

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Mon 3/30

1:10 pm-7:20 am

1 stop30h 10m

Phuket City

Sun 4/5

8:20 am-11:10 am

2 stops38h 50m

$714

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Wed 1/21

1:30 pm-7:30 pm

1 stop41h 00m

Phuket City

Tue 1/27

9:10 am-11:30 am

2 stops39h 20m

$731

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 1/20

4:25 pm-6:30 am

1 stop25h 05m

Bangkok Suvarnabhumi

Tue 1/27

2:25 pm-7:20 am

1 stop29h 55m

$814

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 1/20

6:30 pm-11:25 am

2 stops27h 55m

Bangkok Suvarnabhumi

Tue 1/27

4:55 pm-3:10 pm

2 stops35h 15m

$818

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 1/28

10:41 am-11:25 am

2 stops35h 44m

Bangkok Suvarnabhumi

Tue 2/3

4:55 pm-5:18 am

2 stops25h 23m

$822

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 1/19

6:47 am-12:20 am

2 stops28h 33m

Bangkok Suvarnabhumi

Mon 2/9

2:25 pm-7:20 am

1 stop29h 55m

$829

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 2/19

11:30 pm-10:35 am

1 stop22h 05m

Chiang Mai

Sat 3/14

11:50 am-8:35 pm

1 stop20h 45m

$860

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 3/8

12:30 am-10:35 am

1 stop22h 05m

Chiang Mai

Mon 3/30

8:00 pm-9:00 pm

2 stops37h 00m

$890

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Mon 3/16

9:35 am-10:55 pm

2 stops25h 20m

Chiang Mai

Wed 3/18

12:15 am-12:29 pm

2 stops24h 14m

$1,794

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 Chicago 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

What is the cheapest month to fly to Thailand?

The month of September is, on average, the cheapest month to fly to Thailand from Chicago, with most prices found around $820. If you are unable to visit Thailand during the month of September, then departing from Chicago during the month October is also very affordable. Most momondo users find prices during this month for around $837.

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

The cheapest day to depart on your flight to Thailand is on a Tuesday when prices can be found for as low as $1,009. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Thailand is Saturday, with ticket prices averaging around $1,223.

What is the cheapest time of day to depart on your flight to Thailand?

Flying to Thailand from Chicago at noon is the least expensive time of day to depart. momondo users have found prices as low as $962 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to Thailand is in the evening when prices are around $1,115.

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

You are more likely to see cheaper flights to Thailand from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around $991 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from Chicago for as low as $864 on momondo.

Can stopping save me money on Chicago to Thailand flights?

You could potentially save up to 28% on your flight if you consider stops on a Chicago to Thailand flight.

Cheap Chicago to Thailand flight deals and tips

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

Fastest flight time	21h 15m
Direct flights	None

The fastest flight from Chicago to Thailand takes 21h 15m

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

Search flight deals

When did momondo last update prices for flights from Chicago to Thailand?
Prices for flights from Chicago to Thailand are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago to Thailand?
As of December 2025, there are 18 operators available to choose from for flights from Chicago to Thailand.
How old do you have to be to fly from Chicago to Thailand?
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 Chicago to Thailand.
What documentation or ID do you need to fly to Thailand?
The travel and health documents required for your trip to Thailand can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Thailand. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Chicago to Thailand

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

Airline	Rating	Free Cancellation	Price
Air India	PriceFrom $606	Free Cancellation	Rating 5.5 2,954 reviews	Search Air India flights
Cathay Pacific	PriceFrom $669	Free Cancellation	Rating 7.6 1,103 reviews	Search Cathay Pacific flights
ANA	PriceFrom $681	Free Cancellation	Rating 8.4 1,038 reviews	Search ANA flights
Korean Air	PriceFrom $698	Free Cancellation	Rating 8.4 1,185 reviews	Search Korean Air flights
United Airlines	PriceFrom $707	Free Cancellation	Rating 7.4 9,105 reviews	Search United Airlines flights
Turkish Airlines	PriceFrom $714	Free Cancellation	Rating 7.3 4,112 reviews	Search Turkish Airlines flights
Delta	PriceFrom $745	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
American Airlines	PriceFrom $779	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Japan Airlines	PriceFrom $825	Free Cancellation	Rating 8.3 1,660 reviews	Search Japan Airlines flights
Etihad Airways	PriceFrom $832	Free Cancellation	Rating 7.4 1,336 reviews	Search Etihad Airways flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Thailand from Chicago.

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

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

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

Once you have performed a search for Chicago to Thailand flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Thailand from Chicago 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.