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$383+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BKK
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Bangkok are usually found in September or October, booked 77 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 July 31, 2025.

Round-trip from

$719
(United Airlines)

One-way from

$383
(oojo)

Popular in

December

Cheapest in

September

Average price

$1,197
From Chicago (CHI) to Bangkok
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One-way flight from Chicago (CHI) to Bangkok
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Highest demand for flights based on searches. 5% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/31. 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.
Mon 9/157:10 amORD - BKK
2 stops28h 45mUnited Airlines
Thu 11/207:10 amBKK - ORD
2 stops27h 06mUnited Airlines
Deal found 7/31$719
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:50 pmORD - BKK
1 stop21h 25mTurkish Airlines
Wed 9/246:45 amBKK - ORD
1 stop38h 55mTurkish Airlines
Deal found 7/30$720
This CrystalTravel deal was found by Cheapflights users on 7/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:40 pmORD - BKK
1 stop20h 30mCathay Pacific
Sat 11/157:15 pmBKK - ORD
1 stop30h 45mCathay Pacific
Deal found 7/30$721
This ANA deal was found by Cheapflights users on 7/29. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/255:45 pmORD - BKK
1 stop22h 50mMultiple Airlines
Mon 9/89:35 amBKK - ORD
2 stops25h 20mMultiple Airlines
Deal found 7/29$727
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1212:50 pmORD - BKK
1 stop38h 40mANA
Thu 9/117:00 amBKK - ORD
1 stop19h 55mANA
Deal found 7/30$734
This oojo deal was found by Cheapflights users on 7/30. 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.
Sat 10/1812:00 pmORD - BKK
1 stop20h 25mAir India
Sat 10/2510:25 pmBKK - ORD
1 stop21h 05mAir India
Deal found 7/30$752
This Delta deal was found by Cheapflights users on 7/29. 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.
Mon 8/259:30 amMDW - BKK
2 stops25h 55mDelta
Mon 9/89:40 pmBKK - MDW
2 stops26h 48mDelta
Deal found 7/29$859
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/141:55 pmORD - DMK
2 stops26h 30mMultiple Airlines
Wed 9/2411:20 amDMK - ORD
3 stops36h 39mMultiple Airlines
Deal found 7/30$1,055
This CheapOair deal was found by Cheapflights users on 7/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:20 amMDW - BKK
2 stops27h 45mKorean Air
Mon 11/31:00 amBKK - MDW
2 stops24h 28mKorean Air
Deal found 7/31$1,150
This Expedia deal was found by Cheapflights users on 7/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/59:24 amMDW - BKK
2 stops27h 41mMultiple Airlines
Tue 8/1211:30 pmBKK - MDW
2 stops24h 58mMultiple Airlines
Deal found 7/29$1,180

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 July 31, 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 9/15

7:10 am-11:55 pm

2 stops28h 45m

Bangkok Suvarnabhumi

Thu 11/20

7:10 am-9:16 pm

2 stops27h 06m

$719

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 9/14

7:50 pm-5:15 am

1 stop21h 25m

Bangkok Suvarnabhumi

Wed 9/24

6:45 am-9:40 am

1 stop38h 55m

$720

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 9/16

7:15 am-11:55 pm

2 stops28h 40m

Bangkok Suvarnabhumi

Tue 11/11

10:50 pm-7:20 am

1 stop21h 30m

$722

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 10/29

3:40 pm-12:10 am

1 stop20h 30m

Bangkok Suvarnabhumi

Wed 11/5

7:15 pm-1:00 pm

1 stop30h 45m

$723

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 8/12

12:50 pm-3:30 pm

1 stop38h 40m

Bangkok Suvarnabhumi

Thu 9/11

7:00 am-2:55 pm

1 stop19h 55m

$734

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sat 10/18

12:00 pm-8:25 pm

1 stop20h 25m

Bangkok Suvarnabhumi

Sat 10/25

10:25 pm-7:30 am

1 stop21h 05m

$752

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Mon 8/25

9:30 am-11:25 pm

2 stops25h 55m

Bangkok Suvarnabhumi

Mon 9/8

9:40 pm-12:28 pm

2 stops26h 48m

$859

ChicagoBangkok

ORD - DMK

ORDDMK

Chicago O'Hare Intl

Sun 9/14

1:55 pm-4:25 am

2 stops26h 30m

Bangkok Don Mueang Intl

Wed 9/24

11:20 am-11:59 am

3 stops36h 39m

$1,055

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Tue 9/16

9:20 am-1:05 am

2 stops27h 45m

Bangkok Suvarnabhumi

Mon 11/3

1:00 am-12:28 pm

2 stops24h 28m

$1,150

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Tue 8/5

9:24 am-1:05 am

2 stops27h 41m

Bangkok Suvarnabhumi

Tue 8/12

11:30 pm-12:28 pm

2 stops24h 58m

$1,180

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 22 results
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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 July 25, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Bangkok, you should look to book at least 77 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, September is the cheapest month in which you can book a flight from Chicago to Bangkok (average of $946). Flying from Chicago to Bangkok in December is currently the most expensive (average of $1,563). 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 July 31, 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.

How much does it cost to fly round-trip from Chicago to Bangkok?

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 July 31, 2025.
Peruse reviews from past customers who have flown with ANA, Korean Air, and Japan Airlines from Chicago to Bangkok to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
922 reviews

Comfort

8.2

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.5

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
ANA
8.4
Very good
922 reviews
ANA
8.4
Very good
922 reviews

Comfort

8.2

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.5

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Korean Air
8.4
Very good
1,121 reviews
ANA
8.4
Very good
922 reviews

Comfort

8.2

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.5

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Japan Airlines
8.3
Very good
1,536 reviews
ANA
8.4
Very good
922 reviews

Comfort

8.2

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.5

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Singapore Airlines
8.1
Very good
1,338 reviews
ANA
8.4
Very good
922 reviews

Comfort

8.2

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.5

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Delta
8.0
Very good
7,981 reviews
ANA
8.4
Very good
922 reviews

Comfort

8.2

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.5

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

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, United Airlines ($719), Turkish Airlines ($720), and Cathay Pacific ($723) offers the cheapest pricing from Chicago to Bangkok. United Airlines is currently priced 32% 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 Air India ($383), Turkish Airlines ($399), and Cathay Pacific ($421).

  • 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 Tokyo. Taipei City follows Tokyo in terms of the most common layover location on Chicago to Bangkok flights. Seoul follows Taipei City 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 Tokyo?

    The majority of Tokyo visitors spend their time at Akihabara Electric Town, Tsukiji Outer Market, and Tokyo Tower. Travelers on a layover in Tokyo can visit Akihabara Electric Town, Tsukiji Outer Market, and Tokyo Tower, by traveling 10.3 mi, 7.9 mi, and 7.9 mi, respectively after landing at Tokyo Haneda. Travelers in need of a car in Tokyo can rent one for about $64 per day.

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

    Most Taipei City visitors opt to spend their time at Taipei 101, Shilin Night Market, and Raohe Street Night Market. Taipei 101, Shilin Night Market, and Raohe Street Night Market are located about 21.0 mi, 18.3 mi, and 21.6 mi, respectively from Taipei City Taiwan Taoyuan Intl. Those landing in Taipei City looking to spend some time exploring during their layover can rent a car for about $71 per day.

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

    Seoul travelers tend to visit Dongdaemun Market, Namdaemun Market, and Bukchon Hanok Village more than any other attractions. Dongdaemun Market, Namdaemun Market, and Bukchon Hanok Village can be accessed by traveling approximately 31.6 mi, 29.8 mi, and 30.6 mi, respectively from Incheon Intl. Travelers can book a car rental at Incheon Intl for about $76 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. Tokyo 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, September is the cheapest month in which you can book a flight from Chicago to Bangkok (average of $946). Flying from Chicago to Bangkok in December is currently the most expensive (average of $1,563). 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

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest$503Average$1,391FlexibilityNo cancel feeOn-time75%
Japan AirlinesCheapest$707Average$1,015FlexibilityNo cancel feeOn-time79%
Air IndiaCheapest$710Average$920FlexibilityNo cancel feeOn-timeN/A
ANACheapest$720Average$975FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$738Average$950FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$757Average$960FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$782Average$901FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$791Average$967FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$821Average$1,186FlexibilityNo cancel feeOn-time75%
IndiGoCheapest$893Average$1,260FlexibilityNo cancel feeOn-time80%

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