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Cheap flights from Bangkok to Chicago

BKK — CHI
26 Oct — 2 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Bangkok to Chicago

Popular in

March

Cheapest in

November

Average price

฿41,730
Highest demand for flights based on searches. 16% potential increase in price (฿275,420 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (฿58,990 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Best time to book a flight from Bangkok to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Bangkok with our price prediction graph.
Estimated return price

Cheapflights Insights

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

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

To ensure you get the cheapest price possible for a flight from Bangkok to Chicago, you should look to book at least 80 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 Bangkok to Chicago?

Currently, January is the cheapest month in which you can book a flight from Bangkok to Chicago (average of ฿34,486). Flying from Bangkok to Chicago in April is currently the most expensive (average of ฿52,680). 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.

Reviews of airlines servicing Chicago

Read through reviews of airlines operating flights from Bangkok to Chicago, such as Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Food

8.1

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very Good
1,218 reviews
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Food

8.1

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

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

    Flying on Thai Airways is currently your cheapest option to Chicago, with prices starting at ฿28,529. Additional round-trip tickets that might be worth considering are offered by Korean Air and ANA, with the lowest prices starting at ฿32,452 and ฿33,318, respectively. Thai Airways is priced at 30% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Thai Airways, which is currently one of the cheapest options available, starting at ฿17,379. Korean Air flights start at ฿20,486 while deals on ANA start at ฿22,638 one-way.

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

    The most popular flight routes from Bangkok to Chicago are Bangkok Suvarnabhumi - Chicago O'Hare Intl, Bangkok Don Mueang Intl - Chicago O'Hare Intl and Bangkok Suvarnabhumi - Chicago Midway.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bangkok to Chicago 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 Bangkok to Chicago?

    Currently, January is the cheapest month in which you can book a flight from Bangkok to Chicago (average of ฿34,486). Flying from Bangkok to Chicago in April is currently the most expensive (average of ฿52,680). 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.

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Alternative routes for Bangkok to Chicago

Chiang Mai to O'Hare Intl flights
Chiang Mai to Midway flights
Ko Samui to O'Hare Intl flights
Phuket City to St. Louis flights

Top 5 airlines flying from Bangkok to Chicago

AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest฿29,042Average฿55,842FlexibilityNo cancel feeOn-time77%
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Korean AirCheapest฿32,452Average฿34,340FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
ANACheapest฿33,318Average฿38,374FlexibilityNo cancel feeOn-time80%
Search ANA flights
เดลต้าCheapest฿33,334Average฿52,643FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
Cathay PacificCheapest฿40,921Average฿59,957FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

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Why should you use Cheapflights to find cheap flight tickets from Bangkok to Chicago?

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Bangkok to Chicago flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Bangkok to Chicago become cheaper?

Yes, Cheapflights offers price alerts on Bangkok to Chicago flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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