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

Delta, Etihad Airways, and Cathay Pacific are the most popular carriers operating from Chicago to Thailand

What airlines fly to Thailand?

EVA Air, Cathay Pacific and Delta 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 41% 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 October 2026, 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.

$380 Cheap Flights from Chicago to Thailand in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

1:15 pm - 12:00 pmORD Chicago O'Hare Intl-HKT Phuket City

33h 45m1 stop Abu Dhabi Zayed Intl

3:30 pm - 7:35 amHKT Phuket City-ORD Chicago O'Hare Intl

29h 05m1 stop Abu Dhabi Zayed Intl

$805Etihad Airways

Thu, Feb 25 - Tue, Mar 2

1:15 pm - 11:50 pmORD Chicago O'Hare Intl-HKT Phuket City

21h 35m1 stop Abu Dhabi Zayed Intl

3:30 pm - 7:35 amHKT Phuket City-ORD Chicago O'Hare Intl

29h 05m1 stop Abu Dhabi Zayed Intl

$805Etihad Airways

Tue, Feb 23 - Mon, Mar 1

2:10 pm - 11:20 amORD Chicago O'Hare Intl-HKT Phuket City

32h 10m1 stop Hong Kong Intl

12:20 pm - 1:30 pmHKT Phuket City-ORD Chicago O'Hare Intl

37h 10m1 stop Hong Kong Intl

$847Cathay Pacific

Tue, Feb 23 - Mon, Mar 22

6:30 am - 10:45 pmORD Chicago O'Hare Intl-CNX Chiang Mai

27h 15m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 am - 8:30 amCNX Chiang Mai-ORD Chicago O'Hare Intl

21h 10m1 stop Incheon Intl

$848Delta

Mon, Jan 18 - Sun, Feb 7

6:30 am - 10:45 pmORD Chicago O'Hare Intl-CNX Chiang Mai

27h 15m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 am - 11:30 pmCNX Chiang Mai-ORD Chicago O'Hare Intl

36h 10m2 stops Incheon Intl Los Angeles

$858Delta

Mon, Jan 18 - Sun, Feb 7

2:10 pm - 5:45 pmORD Chicago O'Hare Intl-HKT Phuket City

38h 35m1 stop Hong Kong Intl

6:50 pm - 12:30 pmHKT Phuket City-ORD Chicago O'Hare Intl

30h 40m1 stop Hong Kong Intl

$859Cathay Pacific

Mon, Nov 16 - Mon, Nov 23

4:15 pm - 7:10 amORD Chicago O'Hare Intl-USM Ko Samui

26h 55m2 stops Hong Kong Intl Bangkok Suvarnabhumi

11:55 am - 1:55 pmUSM Ko Samui-ORD Chicago O'Hare Intl

38h 00m1 stop Hong Kong Intl

$867Multiple Airlines

Thu, Apr 1 - Wed, Apr 14

9:45 am - 12:30 pmORD Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi

37h 45m1 stop Addis Ababa Bole

1:35 am - 7:40 amBKK Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl

43h 05m2 stops Addis Ababa Bole Rome Fiumicino

$867Ethiopian Air

Mon, Nov 9 - Sat, Nov 21

11:45 am - 4:15 amORD Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi

27h 30m1 stop Istanbul

10:20 am - 10:00 amBKK Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl

36h 40m1 stop Istanbul

$869Turkish Airlines

Wed, Dec 2 - Thu, Dec 10

11:45 am - 4:15 amORD Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi

27h 30m1 stop Istanbul

5:55 am - 6:20 pmBKK Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl

25h 25m1 stop Istanbul

$869Turkish Airlines

Mon, Nov 16 - Thu, Dec 24

Cheap last minute flights

Enter your travel dates to find the best prices.

1:20 pm - 12:55 amORD Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi

23h 35m1 stop Abu Dhabi Zayed Intl

7:55 pm - 7:35 amBKK Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl

24h 40m1 stop Abu Dhabi Zayed Intl

$867Etihad Airways

Fri, Oct 23 - Fri, Nov 6

2:15 pm - 11:35 amORD Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi

33h 20m1 stop Abu Dhabi Zayed Intl

2:40 pm - 7:35 amBKK Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl

29h 55m1 stop Abu Dhabi Zayed Intl

$867Etihad Airways

Tue, Oct 27 - Mon, Nov 2

3:10 pm - 11:20 amORD Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi

32h 10m1 stop Hong Kong Intl

1:05 pm - 12:30 pmBKK Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl

36h 25m1 stop Hong Kong Intl

$873Cathay Pacific

Sun, Oct 25 - Mon, Nov 2

3:10 pm - 12:15 amORD Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi

21h 05m1 stop Hong Kong Intl

1:05 pm - 12:30 pmBKK Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl

36h 25m1 stop Hong Kong Intl

$873Cathay Pacific

Mon, Oct 26 - Mon, Nov 2

7:00 am - 10:45 pmORD Chicago O'Hare Intl-CNX Chiang Mai

27h 45m2 stops Detroit Metropolitan Wayne County Incheon Intl

12:20 am - 11:59 pmCNX Chiang Mai-ORD Chicago O'Hare Intl

36h 39m2 stops Incheon Intl Seattle/Tacoma Intl

$894Delta

Wed, Oct 28 - Sun, Nov 8

6:35 am - 10:45 pmORD Chicago O'Hare Intl-CNX Chiang Mai

28h 10m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 am - 11:59 pmCNX Chiang Mai-ORD Chicago O'Hare Intl

36h 39m2 stops Incheon Intl Seattle/Tacoma Intl

$894Delta

Wed, Oct 28 - Tue, Nov 10

12:45 pm - 4:15 amORD Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi

27h 30m1 stop Istanbul

5:55 am - 6:20 pmBKK Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl

25h 25m1 stop Istanbul

$903Turkish Airlines

Sun, Oct 25 - Fri, Nov 13

10:15 am - 12:30 pmORD Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi

38h 15m1 stop Addis Ababa Bole

1:35 am - 7:40 amBKK Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl

43h 05m2 stops Addis Ababa Bole Rome Fiumicino

$905Ethiopian Air

Sat, Oct 24 - Thu, Nov 5

10:15 am - 12:30 pmORD Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi

38h 15m1 stop Addis Ababa Bole

1:35 am - 7:40 amBKK Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl

43h 05m2 stops Addis Ababa Bole Rome Fiumicino

$905Ethiopian Air

Mon, Oct 26 - Thu, Nov 5

12:45 pm - 4:15 amORD Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi

27h 30m1 stop Istanbul

5:55 am - 6:20 pmBKK Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl

25h 25m1 stop Istanbul

$920Turkish Airlines

Sun, Oct 25 - Fri, Nov 13

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Korean Air flights from Chicago to Thailand

Our best Korean Air deals on Chicago to Thailand flight tickets

Korean Air

Feb 10

ORD11:10 amChicago O'Hare Intl

24h 10m

1 stop

BKK12:20 amBangkok Suvarnabhumi

Feb 21

BKK1:05 amBangkok Suvarnabhumi

20h 25m

1 stop

ORD8:30 amChicago O'Hare Intl

$883

Korean Air

Feb 17

ORD11:10 amChicago O'Hare Intl

22h 55m

1 stop

BKK11:05 pmBangkok Suvarnabhumi

Mar 3

BKK9:40 pmBangkok Suvarnabhumi

23h 50m

1 stop

ORD8:30 amChicago O'Hare Intl

$884

Korean Air

Jan 27

ORD11:10 amChicago O'Hare Intl

22h 35m

1 stop

CNX10:45 pmChiang Mai

Feb 4

CNX12:20 amChiang Mai

21h 10m

1 stop

ORD8:30 amChicago O'Hare Intl

$933

Delta flights from Chicago to Thailand

Our best Delta deals on Chicago to Thailand flight tickets

Delta

Jan 18

ORD6:30 amChicago O'Hare Intl

27h 15m

2 stops

CNX10:45 pmChiang Mai

Feb 7

CNX12:20 amChiang Mai

21h 10m

1 stop

ORD8:30 amChicago O'Hare Intl

$848

Delta

Jan 18

ORD6:30 amChicago O'Hare Intl

27h 15m

2 stops

CNX10:45 pmChiang Mai

Feb 7

CNX12:20 amChiang Mai

36h 10m

2 stops

ORD11:30 pmChicago O'Hare Intl

$858

Delta

Jan 29

MDW5:59 pmChicago Midway

39h 46m

2 stops

CNX10:45 pmChiang Mai

Feb 7

CNX12:20 amChiang Mai

34h 50m

2 stops

MDW10:10 pmChicago Midway

$863

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPhuket City

ORD Chicago O'Hare Intl - HKT Phuket City

ORDHKT

Chicago O'Hare Intl

Thu 2/25

1:15 pm-12:00 pm

1 stop33h 45m

Phuket City

Tue 3/2

3:30 pm-7:35 am

1 stop29h 05m

$805

ChicagoPhuket City

ORD Chicago O'Hare Intl - HKT Phuket City

ORDHKT

Chicago O'Hare Intl

Tue 2/23

1:15 pm-11:50 pm

1 stop21h 35m

Phuket City

Mon 3/1

3:30 pm-7:35 am

1 stop29h 05m

$805

ChicagoPhuket City

ORD Chicago O'Hare Intl - HKT Phuket City

ORDHKT

Chicago O'Hare Intl

Tue 2/23

2:10 pm-11:20 am

1 stop32h 10m

Phuket City

Mon 3/22

12:20 pm-1:30 pm

1 stop37h 10m

$847

Quickest round-trip

ChicagoChiang Mai

ORD Chicago O'Hare Intl - CNX Chiang Mai

ORDCNX

Chicago O'Hare Intl

Mon 1/18

6:30 am-10:45 pm

2 stops27h 15m

Chiang Mai

Sun 2/7

12:20 am-8:30 am

1 stop21h 10m

$848

ChicagoChiang Mai

ORD Chicago O'Hare Intl - CNX Chiang Mai

ORDCNX

Chicago O'Hare Intl

Mon 1/18

6:30 am-10:45 pm

2 stops27h 15m

Chiang Mai

Sun 2/7

12:20 am-11:30 pm

2 stops36h 10m

$858

ChicagoPhuket City

ORD Chicago O'Hare Intl - HKT Phuket City

ORDHKT

Chicago O'Hare Intl

Mon 11/16

2:10 pm-5:45 pm

1 stop38h 35m

Phuket City

Mon 11/23

6:50 pm-12:30 pm

1 stop30h 40m

$859

ChicagoKo Samui

ORD Chicago O'Hare Intl - USM Ko Samui

ORDUSM

Chicago O'Hare Intl

Thu 4/1

4:15 pm-7:10 am

2 stops26h 55m

Ko Samui

Wed 4/14

11:55 am-1:55 pm

1 stop38h 00m

$867

ChicagoBangkok

ORD Chicago O'Hare Intl - BKK Bangkok Suvarnabhumi

ORDBKK

Chicago O'Hare Intl

Mon 11/9

9:45 am-12:30 pm

1 stop37h 45m

Bangkok Suvarnabhumi

Sat 11/21

1:35 am-7:40 am

2 stops43h 05m

$867

ChicagoBangkok

ORD Chicago O'Hare Intl - BKK Bangkok Suvarnabhumi

ORDBKK

Chicago O'Hare Intl

Wed 12/2

11:45 am-4:15 am

1 stop27h 30m

Bangkok Suvarnabhumi

Thu 12/10

10:20 am-10:00 am

1 stop36h 40m

$869

ChicagoBangkok

ORD Chicago O'Hare Intl - BKK Bangkok Suvarnabhumi

ORDBKK

Chicago O'Hare Intl

Mon 11/16

11:45 am-4:15 am

1 stop27h 30m

Bangkok Suvarnabhumi

Thu 12/24

5:55 am-6:20 pm

1 stop25h 25m

$869

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 February is, on average, the cheapest month to fly to Thailand from Chicago, with most prices found around $899. If you are unable to visit Thailand during the month of February, then departing from Chicago during the month April is also very affordable. Most momondo users find prices during this month for around $906.

How far in advance should I book a flight from Chicago 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 $1,051 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 $950 on momondo.

Can stopping save me money on Chicago to Thailand flights?

You could potentially save up to 26% 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

Best Price Found	$380
Fastest flight time	21h 05m
Direct flights	None

The best one-way flight to Thailand from Chicago in the past 72 hours is $380. The best round-trip flight deal from Chicago to Thailand found on momondo in the last 72 hours is $805.

The fastest flight from Chicago to Thailand takes 21h 05m

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

Search flight deals

Frequently asked questions about flying from Chicago to Thailand

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 October 2026, 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 $612	Free Cancellation	Rating 5.5 2,912 reviews	Search Air India flights
Philippine Airlines	PriceFrom $680	Free Cancellation	Rating 7.3 1,036 reviews	Search Philippine Airlines flights
Turkish Airlines	PriceFrom $735	Free Cancellation	Rating 7.4 4,460 reviews	Search Turkish Airlines flights
Korean Air	PriceFrom $777	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
Etihad Airways	PriceFrom $787	Free Cancellation	Rating 7.3 1,549 reviews	Search Etihad Airways flights
American Airlines	PriceFrom $790	Free Cancellation	Rating 7.0 12,183 reviews	Search American Airlines flights
ANA	PriceFrom $793	Free Cancellation	Rating 8.3 1,327 reviews	Search ANA flights
Cathay Pacific	PriceFrom $795	Free Cancellation	Rating 7.6 1,523 reviews	Search Cathay Pacific flights
EVA Air	PriceFrom $801	Free Cancellation	Rating 8.5 1,550 reviews	Search EVA Air flights
Air Canada	PriceFrom $823	Free Cancellation	Rating 7.1 11,790 reviews	Search Air Canada 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.