Bangkok

$407+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BKK
Mar 5 — Mar 121
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Cheap 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 February 3, 2026.

This KAYAK deal was found by Cheapflights users on 2/3. 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.
Fri 4/104:15 pm
ORD
-
BKK
1 stop30h 50m
Cathay Pacific
Sat 4/1812:10 pm
BKK
-
ORD
1 stop37h 45m
Cathay Pacific
Deal found 2/3$798
This KAYAK deal was found by Cheapflights users on 2/2. 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.
Sun 4/54:15 pm
ORD
-
BKK
1 stop19h 55m
Cathay Pacific
Thu 5/217:10 pm
BKK
-
ORD
1 stop30h 45m
Cathay Pacific
Deal found 2/2$799
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:10 pm
ORD
-
BKK
1 stop21h 00m
Turkish Airlines
Wed 5/136:40 am
BKK
-
ORD
1 stop39h 00m
Turkish Airlines
Deal found 2/1$800
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Wed 4/2912:30 am
ORD
-
BKK
1 stop22h 40m
EVA Air
Thu 5/148:30 am
BKK
-
ORD
1 stop24h 30m
EVA Air
Deal found 2/1$801
This KAYAK deal was found by Cheapflights users on 2/3. 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.
Sat 10/174:15 pm
ORD
-
BKK
1 stop30h 50m
Cathay Pacific
Tue 10/277:15 pm
BKK
-
ORD
1 stop30h 40m
Cathay Pacific
Deal found 2/3$802
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 9/18:00 pm
ORD
-
BKK
2 stops25h 35m
United Airlines
Tue 9/89:35 am
BKK
-
ORD
1 stop41h 30m
United Airlines
Deal found 2/2$803
This KAYAK deal was found by Cheapflights users on 2/1. 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.
Tue 9/85:45 pm
ORD
-
BKK
1 stop22h 50m
ANA
Tue 9/159:35 am
BKK
-
ORD
2 stops31h 23m
ANA
Deal found 2/1$804
This Ovago deal was found by Cheapflights users on 2/1. 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 3/1812:50 pm
ORD
-
BKK
1 stop27h 30m
Turkish Airlines
Sun 6/76:40 am
BKK
-
ORD
1 stop23h 35m
Turkish Airlines
Deal found 2/1$805
This KAYAK deal was found by Cheapflights users on 2/3. 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.
Mon 2/162:35 pm
ORD
-
BKK
1 stop20h 40m
Cathay Pacific
Fri 4/247:10 pm
BKK
-
ORD
1 stop30h 45m
Cathay Pacific
Deal found 2/3$806
This Ovago deal was found by Cheapflights users on 2/2. 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.
Sun 2/82:35 pm
ORD
-
BKK
1 stop32h 30m
Cathay Pacific
Thu 3/127:15 pm
BKK
-
ORD
1 stop30h 40m
Cathay Pacific
Deal found 2/2$807
This Delta deal was found by Cheapflights users on 1/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:30 am
ORD
-
BKK
2 stops29h 15m
Delta
Sun 3/812:55 am
BKK
-
ORD
2 stops34h 56m
Delta
Deal found 1/31$808
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 8/187:40 am
ORD
-
BKK
2 stops28h 15m
United Airlines
Thu 10/17:00 am
BKK
-
ORD
1 stop19h 55m
United Airlines
Deal found 2/3$809

Find 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 February 3, 2026.

Round-trip from

$798
(KAYAK)

One-way from

$407
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$907
From Chicago (CHI) to Bangkok
One-way flight from Chicago (CHI) to Bangkok
Highest demand for flights based on searches. 4% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 3, 2026.
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 3/9

8:55 am-12:55 am

2 stops28h 00m

Bangkok Suvarnabhumi

Mon 3/16

2:05 am-12:40 am

2 stops34h 35m

$808

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 3/3

10:35 am-11:25 am

3 stops35h 50m

Bangkok Suvarnabhumi

Tue 3/10

4:55 pm-1:14 pm

2 stops32h 19m

$828

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 4/7

6:20 pm-9:35 am

2 stops27h 15m

Bangkok Suvarnabhumi

Tue 4/21

3:45 pm-5:15 am

2 stops25h 30m

$832

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 3/2

1:10 pm-11:25 pm

1 stop21h 15m

Bangkok Suvarnabhumi

Wed 3/18

5:40 pm-8:35 am

2 stops50h 55m

$841

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 4/20

2:25 pm-9:45 pm

2 stops43h 20m

Bangkok Suvarnabhumi

Tue 4/28

9:50 am-11:58 pm

2 stops26h 08m

$847

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 4/22

7:15 am-11:40 pm

2 stops28h 25m

Bangkok Suvarnabhumi

Tue 4/28

9:50 am-11:58 pm

2 stops26h 08m

$847

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 2/17

2:30 pm-11:25 am

3 stops31h 55m

Bangkok Suvarnabhumi

Mon 3/2

4:55 pm-3:10 pm

2 stops35h 15m

$848

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 4/20

2:35 pm-9:35 am

3 stops31h 00m

Bangkok Suvarnabhumi

Mon 4/27

9:35 am-4:46 am

2 stops31h 11m

$857

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 3/2

4:25 pm-5:10 am

1 stop23h 45m

Bangkok Suvarnabhumi

Thu 3/19

4:55 pm-6:20 am

2 stops25h 25m

$859

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 2/17

9:00 am-11:25 am

2 stops37h 25m

Bangkok Suvarnabhumi

Tue 3/3

4:55 pm-6:20 am

2 stops26h 25m

$863

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

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 January 30, 2026.

To ensure you get the cheapest price possible for a flight from Chicago to Bangkok, you should look to book at least 8 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, August is the cheapest month in which you can book a flight from Chicago to Bangkok (average of $642). Flying from Chicago to Bangkok in June is currently the most expensive (average of $859). 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.

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 February 3, 2026.
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.

Food

8.1

Comfort

8.3

Crew

8.6

Boarding

8.4

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

Food

8.1

Comfort

8.3

Crew

8.6

Boarding

8.4

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
8.4
Very good

Food

8.1

Comfort

8.3

Crew

8.6

Boarding

8.4

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

Food

8.1

Comfort

8.3

Crew

8.6

Boarding

8.4

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

Food

8.1

Comfort

8.3

Crew

8.6

Boarding

8.4

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

Food

8.1

Comfort

8.3

Crew

8.6

Boarding

8.4

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

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 Delta, United Airlines, and Etihad Airways fly from Chicago to Bangkok in about 21h 15m. The time it takes to get you to your destination can typically vary by up to 14h 35m. 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, Air India ($618), Cathay Pacific ($666), and ANA ($681) offers the cheapest pricing from Chicago to Bangkok. Air India is currently priced 37% 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 ($308), Turkish Airlines ($345), and Cathay Pacific ($361).

  • 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 $59 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 $50 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 $79 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, August is the cheapest month in which you can book a flight from Chicago to Bangkok (average of $642). Flying from Chicago to Bangkok in June is currently the most expensive (average of $859). 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$618Average$865FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$666Average$878FlexibilityNo cancel feeOn-time72%
ANACheapest$681Average$853FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$697Average$863FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$706Average$925FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$706Average$892FlexibilityNo cancel feeOn-time69%
DeltaCheapest$745Average$1,062FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$764Average$1,043FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$779Average$1,063FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$823Average$1,062FlexibilityNo cancel feeOn-time67%

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