HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bangkok

$443+ Cheap flights from Chicago (CHI) to Bangkok

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BKK
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Bangkok with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Chicago to Bangkok are usually found in September or March, booked 44 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Chicago to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Bangkok (TH1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$906
(Korean Air)

One-way from

$443
(Korean Air)

Popular in

December

Cheapest in

September

Average price

$1,505
From Chicago (CHI) to Bangkok
Search Deals
One-way flight from Chicago (CHI) to Bangkok
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Chicago to Bangkok

Cheapest flights from Chicago to Bangkok
Explore the most affordable flight options available from Chicago to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Gurufare deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1612:10 pmORD - BKK
1 stop21h 35mKorean Air
Sun 10/52:35 amBKK - ORD
2 stops31h 17mKorean Air
Deal found 6/12$904
This Gurufare deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/115:45 pmORD - BKK
1 stop24h 15mANA
Mon 9/87:00 amBKK - ORD
1 stop19h 55mANA
Deal found 6/11$907
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:40 pmORD - BKK
2 stops30h 10mUnited Airlines
Mon 12/19:25 amBKK - ORD
1 stop34h 55mUnited Airlines
Deal found 6/10$911
This deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:50 pmORD - BKK
1 stop21h 25mTurkish Airlines
Wed 10/86:45 amBKK - ORD
1 stop27h 15mTurkish Airlines
Deal found 6/12$913
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:30 amORD - BKK
2 stops27h 50mDelta
Mon 11/241:00 amBKK - ORD
2 stops33h 53mDelta
Deal found 6/10$916
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:00 amMDW - BKK
2 stops31h 05mDelta
Fri 9/122:35 amBKK - MDW
2 stops31h 09mDelta
Deal found 6/10$916
This Cathay Pacific deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/13:40 pmORD - BKK
1 stop34h 25mCathay Pacific
Wed 11/197:15 pmBKK - ORD
1 stop30h 45mCathay Pacific
Deal found 6/10$932
This Air Canada deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:20 amORD - BKK
2 stops29h 55mAir Canada
Fri 1/308:35 amBKK - ORD
2 stops45h 15mAir Canada
Deal found 6/11$937
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:00 amORD - BKK
2 stops46h 20mChina Airlines
Wed 10/222:40 amBKK - ORD
2 stops39h 41mChina Airlines
Deal found 6/11$938
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/141:55 pmORD - BKK
1 stop22h 00mEtihad Airways
Tue 9/302:55 amBKK - ORD
1 stop41h 50mEtihad Airways
Deal found 6/11$939
This United deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/159:18 pmORD - BKK
2 stops48h 32mMultiple Airlines
Sun 12/79:25 amBKK - ORD
1 stop34h 55mMultiple Airlines
Deal found 6/10$941
This iWofly deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/49:30 amMDW - BKK
2 stops25h 55mKorean Air
Tue 3/31:00 amBKK - MDW
2 stops24h 35mKorean Air
Deal found 6/11$943

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago to Bangkok that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Chicago to Bangkok that are best for you.

Fly from

Chicago

Fly to

Bangkok

Route

Depart

Return

Price

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 8/18

12:30 pm-9:45 pm

1 stop21h 15m

Bangkok Suvarnabhumi

Sun 9/14

2:35 am-9:52 pm

2 stops31h 17m

$906

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Fri 7/11

5:45 pm-6:00 am

1 stop24h 15m

Bangkok Suvarnabhumi

Mon 9/8

7:00 am-2:55 pm

1 stop19h 55m

$907

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 7/13

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Wed 9/24

7:00 am-2:55 pm

1 stop19h 55m

$913

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sat 8/23

8:25 am-1:05 am

2 stops28h 40m

Bangkok Suvarnabhumi

Wed 9/3

9:50 am-11:51 pm

2 stops26h 01m

$916

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Thu 8/28

6:00 am-1:05 am

2 stops31h 05m

Bangkok Suvarnabhumi

Fri 9/12

2:35 am-9:44 pm

2 stops31h 09m

$916

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 9/1

6:20 am-12:10 pm

2 stops41h 50m

Bangkok Suvarnabhumi

Mon 9/29

2:40 am-7:03 am

2 stops40h 23m

$938

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 9/1

1:55 pm-11:55 pm

1 stop22h 00m

Bangkok Suvarnabhumi

Mon 9/29

2:55 am-8:45 am

1 stop41h 50m

$940

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 7/20

12:15 pm-7:40 am

1 stop31h 25m

Bangkok Suvarnabhumi

Wed 7/30

3:15 pm-10:15 am

2 stops31h 00m

$941

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Thu 9/4

9:30 am-11:25 pm

2 stops25h 55m

Bangkok Suvarnabhumi

Tue 3/3

1:00 am-12:35 pm

2 stops24h 35m

$943

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 8/31

12:30 am-11:10 am

1 stop22h 40m

Bangkok Suvarnabhumi

Tue 9/30

12:25 pm-8:45 pm

1 stop20h 20m

$947

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 36 results
1
2
3
4

Best time to book a flight from Chicago to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Bangkok

How far ahead should I book a flight from Chicago to Bangkok?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Bangkok. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Bangkok, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago to Bangkok?

Currently, March is the cheapest month in which you can book a flight from Chicago to Bangkok (average of $953). Flying from Chicago to Bangkok in December is currently the most expensive (average of $1,574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to BKK?

Find hourly flight availability from Chicago to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 16% on flights from Chicago to Bangkok by exploring options for tickets at noon.

What is the cheapest day to fly from Chicago to Bangkok?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Bangkok. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Bangkok flight should consider departing on Monday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Bangkok by month

Plan your trip to Bangkok by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bangkok ranges from 0.4 - 12.6 inches per month. September is typically the wettest month, when rainfall can reach 12.6 in. January is typically the driest time to visit Bangkok when rainfall is around 0.4 in.

Temperature in Bangkok by month

Plan your trip to Bangkok by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bangkok, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Bangkok

Get insights into the airlines that provide service to Bangkok. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bangkok. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Chicago to Bangkok, such as EVA Air, Korean Air and Japan Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Japan Airlines
8.3
Very good
1,489 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
ANA
8.3
Very good
882 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Bangkok. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Chicago to Bangkok round-trip?

    According to our current data, Korean Air ($906), ANA ($907), and United Airlines ($911) offers the cheapest pricing from Chicago to Bangkok. Korean Air is currently priced 16% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chicago to Bangkok one-way?

    The cheapest airlines for a one-way flight from Chicago to Bangkok are Korean Air ($443), American Airlines ($451), and Air India ($466).

  • What are the most popular routes from Chicago to Bangkok?

    Most travelers choose Chicago O'Hare Intl - Bangkok Suvarnabhumi, Chicago Midway - Bangkok Suvarnabhumi or Chicago O'Hare Intl - Bangkok Don Mueang Intl when deciding on the best route from Chicago to Bangkok.

  • Where are the most common layover locations when flying from Chicago to Bangkok?

    Of the flights from Chicago to Bangkok that have layovers, most of them stop in Taipei City. Tokyo follows Taipei City in terms of the most common layover location on Chicago to Bangkok flights. Seoul follows Tokyo in terms of the most frequent layover location on Chicago to Bangkok flights.

  • What are some popular things to do or see while on a layover in Taipei City?

    The majority of Taipei City visitors spend their time at Taipei 101, Shilin Night Market, and Raohe Street Night Market. Travelers on a layover in Taipei City can visit Taipei 101, Shilin Night Market, and Raohe Street Night Market, by traveling 21.0 mi, 18.3 mi, and 21.6 mi, respectively after landing at Taipei City Taiwan Taoyuan Intl. Travelers in need of a car in Taipei City can rent one for about $69 per day.

  • What are some popular points of interest to see during a layover in Tokyo?

    Most Tokyo visitors opt to spend their time at Akihabara Electric Town, Ueno Koen, and Tsukiji Outer Market. Akihabara Electric Town, Ueno Koen, and Tsukiji Outer Market are located about 10.3 mi, 11.5 mi, and 7.9 mi, respectively from Tokyo Haneda. Those landing in Tokyo looking to spend some time exploring during their layover can rent a car for about $67 per day.

  • What are points of interest worth seeing during a layover in Seoul?

    Seoul travelers tend to visit Dongdaemun Market, Bukchon Hanok Village, and Lotte World more than any other attractions. Dongdaemun Market, Bukchon Hanok Village, and Lotte World can be accessed by traveling approximately 31.6 mi, 30.6 mi, and 35.7 mi, respectively from Incheon Intl. Travelers can book a car rental at Incheon Intl for about $54 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Chicago to Bangkok flights?

    Flights departing from Chicago and landing in Bangkok layover in Atlanta least frequently. New Delhi follows Atlanta in terms of the least common layover location on Chicago to Bangkok flights. Seattle ranks third to last in terms of the least popular layover locations on Chicago to Bangkok flights.

  • Can I find deals for flights from Chicago to Bangkok that include hotel bookings?

    Yes. In addition to deals on Chicago to Bangkok flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Bangkok?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Bangkok.

  • Can I find deals for business class flights from Chicago to Bangkok?

    Yes. Cheapflights offers flight deals from Chicago to Bangkok by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Bangkok?

    Currently, March is the cheapest month in which you can book a flight from Chicago to Bangkok (average of $953). Flying from Chicago to Bangkok in December is currently the most expensive (average of $1,574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Chicago to Bangkok

Discover the top 10 airlines that operate flights from Chicago to Bangkok. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest$503Average$1,442FlexibilityNo cancel feeOn-time75%
Japan AirlinesCheapest$707Average$1,014FlexibilityNo cancel feeOn-time79%
Air IndiaCheapest$757Average$937FlexibilityNo cancel feeOn-timeN/A
ANACheapest$765Average$1,012FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$779Average$972FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$795Average$908FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$800Average$966FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$822Average$1,193FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$824Average$972FlexibilityNo cancel feeOn-time69%
IndiGoCheapest$893Average$1,260FlexibilityNo cancel feeOn-time80%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.