$580 Find Cheap Flights from Bangkok to Illinois - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Bangkok to Illinois departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Bangkok to Illinois

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Chicago
Chicago1 stop$777
Peoria
Peoria2 stops$1,309
Chicago
Chicago1 stop$777
Peoria
Peoria2 stops$1,309

Book Cheap Bangkok to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Bangkok to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Bangkok to Illinois

Thu, Sep 3 - Tue, Sep 15
Thai Airways Logo
5:15 pm - 8:45 pmBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
39h 30m1 stop Taipei City Taiwan Taoyuan Intl
Thai Airways Logo
12:30 am - 4:50 pmORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
28h 20m1 stop Taipei City Taiwan Taoyuan Intl
$777Thai Airways
Thu, Sep 3 - Tue, Sep 15
Thai Airways Logo
5:15 pm - 8:45 pmBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
39h 30m1 stop Taipei City Taiwan Taoyuan Intl
Thai Airways Logo
12:30 am - 9:35 pmORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
33h 05m1 stop Taipei City Taiwan Taoyuan Intl
$800Thai Airways
Fri, Oct 9 - Thu, Nov 12
Oman Air Logo
7:10 pm - 4:10 pmBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
57h 00m2 stops Muscat Seeb Amman Queen Alia Intl
Oman Air Logo
10:35 am - 5:15 pmORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
41h 40m2 stops Amman Queen Alia Intl Muscat Seeb
$945Oman Air
Fri, Oct 9 - Fri, Nov 13
Oman Air Logo
7:10 pm - 4:10 pmBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
57h 00m2 stops Muscat Seeb Amman Queen Alia Intl
Oman Air Logo
6:50 pm - 7:55 pmORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
36h 05m2 stops Amman Queen Alia Intl Muscat Seeb
$945Oman Air
Mon, Nov 2 - Tue, Nov 17
Korean Air Logo
9:30 pm - 8:30 amBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
24h 00m1 stop Incheon Intl
Korean Air Logo
11:15 am - 12:45 amORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
24h 30m1 stop Incheon Intl
$1,017Korean Air
Tue, Nov 3 - Sun, Nov 15
Korean Air Logo
11:15 pm - 8:30 amBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
22h 15m1 stop Incheon Intl
Korean Air Logo
11:15 am - 12:45 amORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
24h 30m1 stop Incheon Intl
$1,017Korean Air
Sun, Nov 1 - Sun, Nov 15
United Airlines Logo
7:10 am - 3:50 pmBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
20h 40m1 stop Tokyo Narita
United Airlines Logo
4:25 pm - 5:10 amORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
23h 45m1 stop Tokyo Haneda
$1,021United Airlines
Fri, Sep 18 - Sat, Oct 3
United Airlines Logo
7:00 am - 2:55 pmBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
19h 55m1 stop Tokyo Narita
United Airlines Logo
5:45 pm - 4:35 amORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
22h 50m1 stop Tokyo Haneda
$1,021United Airlines
Tue, Sep 15 - Wed, Sep 30
ANA Logo
7:00 am - 8:33 pmBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
25h 33m2 stops Tokyo Narita Los Angeles
ANA Logo
7:45 pm - 9:35 amORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
25h 50m1 stop Los Angeles
$1,085ANA
Tue, Sep 15 - Tue, Sep 29
ANA Logo
7:00 am - 9:32 pmBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
26h 32m2 stops Tokyo Narita Houston George Bush Intcntl
ANA Logo
7:45 pm - 9:35 amORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
25h 50m1 stop Los Angeles
$1,085ANA
Booking Insights

KAYAK's insights & trends for Bangkok to Illinois flights

Get data-powered insights and trends into flights from Bangkok to Illinois to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Bangkok Suvarnabhumi Airport to Illinois?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Bangkok Suvarnabhumi Airport to Illinois departing in September.

Flight prices are below average for this route right now.

Flights to Illinois from Bangkok Suvarnabhumi Airport usually cost between $1,105 and $1,227 in September.
The lowest price found in the past 5 days was $777 on Thai Airways (Sep 3-Sep 15).

What is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Illinois?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Bangkok Suvarnabhumi Airport to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Bangkok Suvarnabhumi Airport to Illinois is January, when tickets cost $1,033 (return) on average. On the other hand, the most expensive months are April and March, when the average cost of round-trip tickets is $1,630 and $1,511 respectively.

How far in advance should I book a flight from Bangkok Suvarnabhumi Airport to Illinois?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Bangkok Suvarnabhumi Airport to Illinois, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Bangkok Suvarnabhumi Airport to Illinois, you should book around 2 weeks before departure, which saves you about 51% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Find deals

Good to know

Low season

February

Cheapest flight

$580
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 47% increase in price.
Flight from Bangkok to St. Louis

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Bangkok to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Bangkok to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Bangkok to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Bangkok to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Bangkok to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Bangkok to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Bangkok to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Bangkok to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Bangkok to Illinois

Information on your arrival and departure airports

Bangkok (BKK)