Bangkok

$371+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BKK
Oct 15 — Oct 221
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Cheapflights Tip: The best prices from Chicago to Bangkok are usually found in September or October, booked 68 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 September 15, 2025.

Round-trip from

$675
(flugladen.de)

One-way from

$371
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$858
From Chicago (CHI) to Bangkok
One-way flight from Chicago (CHI) to Bangkok
Highest demand for flights based on searches. 5% potential increase in price ($59 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 September 15, 2025.

This flugladen.de deal was found by Cheapflights users on 9/13. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2912:10 pmORD - BKK
1 stop23h 15mKorean Air
Wed 10/1511:30 pmBKK - ORD
1 stop22h 00mKorean Air
Deal found 9/13$675
This Ovago deal was found by Cheapflights users on 9/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:40 pmORD - BKK
1 stop38h 35mCathay Pacific
Tue 11/1111:40 amBKK - ORD
1 stop38h 20mCathay Pacific
Deal found 9/13$678
This Ovago deal was found by Cheapflights users on 9/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:00 pmORD - BKK
1 stop19h 50mCathay Pacific
Tue 9/303:00 pmBKK - ORD
1 stop35h 25mCathay Pacific
Deal found 9/14$679
This Ovago deal was found by Cheapflights users on 9/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:40 pmORD - BKK
1 stop36h 15mCathay Pacific
Mon 11/245:40 pmBKK - ORD
1 stop32h 20mCathay Pacific
Deal found 9/13$680
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Sat 9/2711:45 pmORD - BKK
1 stop27h 40mTurkish Airlines
Tue 10/711:00 amBKK - ORD
1 stop34h 40mTurkish Airlines
Deal found 9/15$681
This Ovago deal was found by Cheapflights users on 9/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/214:00 pmORD - BKK
1 stop36h 30mCathay Pacific
Wed 11/125:40 pmBKK - ORD
1 stop32h 20mCathay Pacific
Deal found 9/13$682
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Mon 10/201:10 pmORD - BKK
1 stop43h 15mAir India
Sun 11/25:55 pmBKK - ORD
2 stops30h 35mAir India
Deal found 9/15$683
This Ovago deal was found by Cheapflights users on 9/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:00 pmORD - BKK
1 stop31h 05mCathay Pacific
Mon 10/1312:30 pmBKK - ORD
1 stop37h 55mCathay Pacific
Deal found 9/14$684
This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:35 pmORD - BKK
1 stop31h 40mCathay Pacific
Wed 12/104:55 pmBKK - ORD
1 stop33h 00mCathay Pacific
Deal found 9/15$685
This Tripair deal was found by Cheapflights users on 9/15. 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 Tripair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:00 amORD - BKK
2 stops30h 55mUnited Airlines
Sun 10/59:35 amBKK - ORD
1 stop41h 35mUnited Airlines
Deal found 9/15$687
This eDestinos deal was found by Cheapflights users on 9/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:45 pmORD - BKK
1 stop24h 15mANA
Thu 9/257:00 amBKK - ORD
1 stop19h 55mANA
Deal found 9/13$688
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Thu 11/2011:50 amORD - BKK
1 stop27h 30mTurkish Airlines
Tue 12/235:50 amBKK - ORD
1 stop41h 15mTurkish Airlines
Deal found 9/14$690

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 September 15, 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

Thu 11/27

4:25 pm-5:10 am

1 stop23h 45m

Bangkok Suvarnabhumi

Thu 1/1

9:10 am-3:10 pm

1 stop19h 00m

$699

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 11/25

11:15 am-11:20 pm

1 stop23h 05m

Bangkok Suvarnabhumi

Tue 12/23

11:15 pm-8:30 am

1 stop22h 15m

$699

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 9/18

7:55 am-9:45 pm

2 stops25h 50m

Bangkok Suvarnabhumi

Wed 9/24

2:35 am-11:55 pm

2 stops33h 20m

$703

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 11/27

7:47 am-12:45 am

2 stops27h 58m

Bangkok Suvarnabhumi

Wed 12/24

12:55 am-11:58 pm

2 stops36h 03m

$710

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 11/24

7:47 am-11:20 pm

2 stops26h 33m

Bangkok Suvarnabhumi

Tue 12/23

12:55 am-12:54 pm

2 stops24h 59m

$710

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 11/3

7:37 am-12:45 am

2 stops28h 08m

Bangkok Suvarnabhumi

Mon 11/17

12:55 am-9:25 pm

2 stops33h 30m

$710

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 11/26

6:00 am-9:30 pm

2 stops26h 30m

Bangkok Suvarnabhumi

Tue 12/23

11:15 pm-12:54 pm

2 stops26h 39m

$710

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 11/27

7:47 am-12:45 am

2 stops27h 58m

Bangkok Suvarnabhumi

Mon 12/22

11:15 pm-9:39 pm

2 stops35h 24m

$710

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 11/5

3:40 pm-11:25 am

2 stops30h 45m

Bangkok Suvarnabhumi

Wed 11/12

4:55 pm-5:16 am

2 stops25h 21m

$723

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 10/29

8:14 pm-11:25 am

2 stops27h 11m

Bangkok Suvarnabhumi

Wed 11/12

4:55 pm-5:16 am

2 stops25h 21m

$723

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Bangkok, you should look to book at least 68 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 $900). Flying from Chicago to Bangkok in December is currently the most expensive (average of $1,507). 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 September 15, 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.

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 September 15, 2025.
Peruse reviews from past customers who have flown with EVA Air, ANA, and Korean Air 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.

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
8.4
Very good

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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.
  • How long is the flight from Chicago to Bangkok?

    Airlines like United Airlines, Korean Air, and Delta fly from Chicago to Bangkok in about 23h 05m. The time it takes to get you to your destination can typically vary by up to 2h 45m. The distance from Chicago to Bangkok is about 8545 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, Emirates ($503), Air India ($657), and ANA ($685) offers the cheapest pricing from Chicago to Bangkok. Emirates is currently priced 51% below the average price you’ll pay for this route.

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

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

  • 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 $63 per day.

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

    Most Seoul visitors opt to spend their time at Dongdaemun Market, Lotte World, and Bukchon Hanok Village. Dongdaemun Market, Lotte World, and Bukchon Hanok Village are located about 31.6 mi, 35.7 mi, and 30.6 mi, respectively from Incheon Intl. Those landing in Seoul looking to spend some time exploring during their layover can rent a car for about $62 per day.

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

    Taipei City travelers tend to visit Taipei 101, Shilin Night Market, and Raohe Street Night Market more than any other attractions. Taipei 101, Shilin Night Market, and Raohe Street Night Market can be accessed by traveling approximately 21.0 mi, 18.3 mi, and 21.6 mi, respectively from Taipei City Taiwan Taoyuan Intl. Travelers can book a car rental at Taipei City Taiwan Taoyuan Intl for about $71 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for 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 $900). Flying from Chicago to Bangkok in December is currently the most expensive (average of $1,507). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest$503Average$1,391FlexibilityNo cancel feeOn-time75%
Air IndiaCheapest$657Average$903FlexibilityNo cancel feeOn-timeN/A
ANACheapest$685Average$937FlexibilityNo cancel feeOn-time80%
Cathay PacificCheapest$686Average$879FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$709Average$896FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$710Average$1,198FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$722Average$940FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$770Average$987FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$815Average$977FlexibilityNo cancel feeOn-time79%
Etihad AirwaysCheapest$820Average$1,190FlexibilityNo cancel feeOn-time75%

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