$586 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 11/8. 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
Chicago2 stops$929
Peoria
Peoria2 stops$1,294
St. Louis
St. Louis2 stops$1,003
Chicago
Chicago2 stops$929
Peoria
Peoria2 stops$1,294
St. Louis
St. Louis2 stops$1,003

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

Fri, Sep 11 - Sun, Sep 27
Multiple Airlines Logo
7:40 pm - 2:43 pm
BKK
-
ORD
31h 03m
2 stops
Multiple Airlines Logo
9:10 pm - 12:10 pm
ORD
-
BKK
27h 00m
1 stop
$929Multiple Airlines
Wed, Sep 16 - Mon, Sep 21
Korean Air Logo
9:50 am - 9:30 am
BKK
-
ORD
35h 40m
1 stop
Korean Air Logo
12:10 pm - 9:45 pm
ORD
-
BKK
21h 35m
1 stop
$939Korean Air
Tue, Sep 8 - Tue, Sep 15
Korean Air Logo
9:50 am - 9:30 am
BKK
-
ORD
35h 40m
1 stop
Korean Air Logo
12:10 pm - 1:05 am
ORD
-
BKK
24h 55m
1 stop
$940Korean Air
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
12:15 pm - 5:59 am
BKK
-
ORD
29h 44m
2 stops
Multiple Airlines Logo
2:00 pm - 11:55 pm
ORD
-
BKK
21h 55m
1 stop
$951Multiple Airlines
Thu, Sep 3 - Fri, Sep 25
Delta Logo
2:35 am - 9:33 pm
BKK
-
ORD
30h 58m
2 stops
Delta Logo
7:05 am - 1:05 am
ORD
-
BKK
30h 00m
2 stops
$959Delta
Mon, Sep 7 - Mon, Sep 14
Delta Logo
9:40 pm - 4:57 pm
BKK
-
MDW
31h 17m
2 stops
Delta Logo
9:59 am - 1:05 am
MDW
-
BKK
27h 06m
2 stops
$959Delta
Mon, Sep 7 - Mon, Sep 14
Cathay Pacific Logo
11:00 am - 11:42 pm
BKK
-
STL
24h 42m
2 stops
Cathay Pacific Logo
11:01 am - 12:10 am
STL
-
BKK
25h 09m
2 stops
$1,028Cathay Pacific
Sun, Oct 4 - Mon, Oct 19
Cathay Pacific Logo
11:00 am - 9:57 pm
BKK
-
STL
22h 57m
2 stops
Cathay Pacific Logo
1:06 pm - 12:10 am
STL
-
BKK
23h 04m
2 stops
$1,030Cathay Pacific
Thu, Nov 19 - Mon, Nov 23
United Airlines Logo
7:10 am - 10:08 am
BKK
-
PIA
39h 58m
2 stops
United Airlines Logo
2:35 pm - 11:30 am
PIA
-
BKK
31h 55m
3 stops
$1,294United Airlines
Thu, Nov 19 - Mon, Nov 23
United Airlines Logo
7:10 am - 6:39 pm
BKK
-
PIA
24h 29m
2 stops
United Airlines Logo
2:35 pm - 11:30 am
PIA
-
BKK
31h 55m
3 stops
$1,295United Airlines
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 $1,150 and $1,428 in September.
The lowest price found in the past 5 days was $929 on Multiple Airlines (Sep 11-Sep 27).

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 50% 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

October

Cheapest flight

$586
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly with an average 12% 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)