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

Air India, Japan Airlines, and Cathay Pacific 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.

$351 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 - 8:05 am

ORD

HKT

29h 35m1 stop

9:10 am - 12:30 pm

HKT

ORD

39h 20m2 stops

$605Air India

mié., mar. 4 - mar., mar. 17

1:30 pm - 7:30 pm

ORD

HKT

41h 00m1 stop

8:30 pm - 11:30 am

HKT

ORD

28h 00m2 stops

$639Air India

mié., ene. 28 - jue., feb. 5

2:40 pm - 11:25 am

ORD

BKK

31h 45m2 stops

4:55 pm - 1:11 pm

BKK

ORD

33h 16m2 stops

$822United Airlines

lun., ene. 26 - mié., feb. 11

6:25 am - 12:20 am

ORD

BKK

28h 55m2 stops

4:55 pm - 6:21 am

BKK

ORD

25h 26m2 stops

$825United Airlines

mar., mar. 3 - mar., mar. 10

3:35 pm - 9:50 am

ORD

CNX

30h 15m1 stop

10:35 am - 1:55 pm

CNX

ORD

39h 20m1 stop

$831Cathay Pacific

jue., mar. 12 - mié., mar. 18

2:35 pm - 9:50 am

ORD

CNX

30h 15m1 stop

10:35 am - 12:55 pm

CNX

ORD

39h 20m1 stop

$838Cathay Pacific

mié., ene. 28 - mié., feb. 4

11:30 pm - 9:00 pm

ORD

CNX

32h 30m2 stops

11:50 am - 8:35 pm

CNX

ORD

20h 45m1 stop

$938EVA Air

mié., feb. 18 - mié., mar. 11

11:30 pm - 10:35 am

ORD

CNX

22h 05m1 stop

11:50 am - 8:35 pm

CNX

ORD

20h 45m1 stop

$941EVA Air

mié., feb. 18 - mié., mar. 11

9:32 am - 11:20 pm

MDW

BKK

25h 48m2 stops

9:40 pm - 10:29 pm

BKK

MDW

36h 49m2 stops

$942Delta

lun., mar. 9 - mié., abr. 1

6:00 am - 12:45 am

MDW

BKK

29h 45m2 stops

11:15 pm - 4:53 pm

BKK

MDW

29h 38m2 stops

$956Delta

mié., feb. 18 - mié., mar. 18

Cathay Pacific flights from Chicago to Thailand

Our best Cathay Pacific deals on Chicago to Thailand flight tickets

Cathay Pacific

Mar 12

ORD3:35 pmChicago O'Hare Intl

32h 30m

1 stop

BKK12:05 pmBangkok Suvarnabhumi

Mar 22

BKK7:15 pmBangkok Suvarnabhumi

30h 40m

1 stop

ORD1:55 pmChicago O'Hare Intl

$831

Find similar

Cathay Pacific

Mar 4

ORD2:35 pmChicago O'Hare Intl

38h 00m

1 stop

HKT5:35 pmPhuket City

Mar 11

HKT12:20 pmPhuket City

37h 35m

1 stop

ORD1:55 pmChicago O'Hare Intl

$833

Find similar

Cathay Pacific

Jan 13

ORD2:35 pmChicago O'Hare Intl

38h 40m

1 stop

BKK6:15 pmBangkok Suvarnabhumi

May 19

BKK11:00 amBangkok Suvarnabhumi

39h 25m

1 stop

ORD2:25 pmChicago O'Hare Intl

$835

Find similar

EVA Air flights from Chicago to Thailand

Our best EVA Air deals on Chicago to Thailand flight tickets

EVA Air

Mar 9

ORD12:30 amChicago O'Hare Intl

23h 00m

1 stop

BKK11:30 amBangkok Suvarnabhumi

Apr 2

BKK11:10 amBangkok Suvarnabhumi

21h 50m

1 stop

ORD9:00 pmChicago O'Hare Intl

$846

Find similar

EVA Air

Feb 18

ORD11:30 pmChicago O'Hare Intl

22h 05m

1 stop

CNX10:35 amChiang Mai

Mar 11

CNX11:50 amChiang Mai

20h 45m

1 stop

ORD8:35 pmChicago O'Hare Intl

$870

Find similar

EVA Air

Feb 18

ORD11:30 pmChicago O'Hare Intl

32h 30m

2 stops

CNX9:00 pmChiang Mai

Mar 11

CNX11:50 amChiang Mai

20h 45m

1 stop

ORD8:35 pmChicago O'Hare Intl

$938

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

mié. 3/4

1:30 pm-8:05 am

1 stop29h 35m

Phuket City

mar. 3/17

9:10 am-12:30 pm

2 stops39h 20m

$605

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

mié. 1/28

1:30 pm-7:30 pm

1 stop41h 00m

Phuket City

jue. 2/5

8:30 pm-11:30 am

2 stops28h 00m

$639

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

lun. 1/26

2:40 pm-11:25 am

2 stops31h 45m

Bangkok Suvarnabhumi

mié. 2/11

4:55 pm-1:11 pm

2 stops33h 16m

$822

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

mar. 3/3

6:25 am-12:20 am

2 stops28h 55m

Bangkok Suvarnabhumi

mar. 3/10

4:55 pm-6:21 am

2 stops25h 26m

$825

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

jue. 3/12

3:35 pm-9:50 am

1 stop30h 15m

Chiang Mai

mié. 3/18

10:35 am-1:55 pm

1 stop39h 20m

$831

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

mié. 1/28

2:35 pm-9:50 am

1 stop30h 15m

Chiang Mai

mié. 2/4

10:35 am-12:55 pm

1 stop39h 20m

$838

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

mié. 2/18

11:30 pm-9:00 pm

2 stops32h 30m

Chiang Mai

mié. 3/11

11:50 am-8:35 pm

1 stop20h 45m

$938

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

mié. 2/18

11:30 pm-10:35 am

1 stop22h 05m

Chiang Mai

mié. 3/11

11:50 am-8:35 pm

1 stop20h 45m

$941

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

lun. 3/9

9:32 am-11:20 pm

2 stops25h 48m

Bangkok Suvarnabhumi

mié. 4/1

9:40 pm-10:29 pm

2 stops36h 49m

$942

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

mié. 2/18

6:00 am-12:45 am

2 stops29h 45m

Bangkok Suvarnabhumi

mié. 3/18

11:15 pm-4:53 pm

2 stops29h 38m

$956

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 $990 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 24% 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	20h 40m
Direct flights	None

The fastest flight from Chicago to Thailand takes 20h 40m

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 2,947 reviews	Search Air India flights
Cathay Pacific	PriceFrom $671	Free Cancellation	Rating 7.6 1,088 reviews	Search Cathay Pacific flights
ANA	PriceFrom $681	Free Cancellation	Rating 8.4 1,020 reviews	Search ANA flights
Korean Air	PriceFrom $698	Free Cancellation	Rating 8.4 1,183 reviews	Search Korean Air flights
United Airlines	PriceFrom $708	Free Cancellation	Rating 7.4 9,084 reviews	Search United Airlines flights
Turkish Airlines	PriceFrom $721	Free Cancellation	Rating 7.3 4,084 reviews	Search Turkish Airlines flights
Delta	PriceFrom $745	Free Cancellation	Rating 7.9 8,011 reviews	Search Delta flights
American Airlines	PriceFrom $779	Free Cancellation	Rating 7.2 11,044 reviews	Search American Airlines flights
Japan Airlines	PriceFrom $825	Free Cancellation	Rating 8.3 1,649 reviews	Search Japan Airlines flights
Etihad Airways	PriceFrom $832	Free Cancellation	Rating 7.4 1,330 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.