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Find cheap flights from Illinois to Thailand from $537

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Illinois to Thailand departing on 9/9. 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
0 bags
Fri 6/21
Fri 6/28

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In the last 7 days travelers have searched 43,423,329 times on KAYAK, and here is why:

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Good to know

Low season

August

High season

December

Cheapest flight

$537
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly with an average 12% increase in price.
Flight from Chicago to Bangkok Don Mueang Intl

FAQs for booking flights from Illinois to Thailand

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

    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 Illinois to Thailand.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Thailand from 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 Illinois to Thailand?

    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 to Thailand with an airline and back to Illinois with another airline.

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

    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 to Thailand from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Illinois to Thailand

Recent round-trip flight deals

10/17Thu
1 stopCathay Pacific
38h 15mORD-DMK
10/21Mon
1 stopCathay Pacific
31h 20mDMK-ORD
$906
10/1Tue
1 stopCathay Pacific
30h 45mORD-HKT
10/30Wed
1 stopCathay Pacific
31h 20mHKT-ORD
$918
9/2Mon
1 stopKorean Air
21h 55mORD-HKT
9/24Tue
1 stopKorean Air
21h 50mHKT-ORD
$974
11/4Mon
2 stopsDelta
28h 20mMDW-BKK
12/3Tue
2 stopsDelta
23h 58mBKK-MDW
$975
8/12Mon
2 stopsUnited Airlines
30h 39mORD-BKK
9/16Mon
2 stopsUnited Airlines
24h 59mBKK-ORD
$978
9/9Mon
2 stopsDelta
29h 35mMDW-BKK
9/26Thu
2 stopsDelta
34h 51mBKK-MDW
$981
8/15Thu
1 stopANA
33h 45mORD-BKK
9/18Wed
1 stopANA
35h 05mBKK-ORD
$984
8/15Thu
2 stopsANA
26h 55mORD-BKK
9/17Tue
1 stopANA
35h 05mBKK-ORD
$990
8/14Wed
1 stopUnited Airlines
27h 30mORD-BKK
9/13Fri
1 stopUnited Airlines
19h 55mBKK-ORD
$1,002
9/30Mon
1 stopKorean Air
21h 55mORD-HKT
10/28Mon
1 stopKorean Air
22h 00mHKT-ORD
$1,064

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Recent one-way flight deals

9/9Mon
2 stops
27h 10mORD-DMK
$537
8/18Sun
3 stops
33h 40mORD-HKT
$551
8/12Mon
1 stopEVA Air
35h 00mORD-BKK
$556
8/14Wed
2 stopsUnited Airlines
33h 35mORD-BKK
$558
8/15Thu
1 stopANA
33h 45mORD-BKK
$559
8/12Mon
2 stopsUnited Airlines
29h 50mORD-BKK
$560
8/27Tue
1 stopEVA Air
21h 55mORD-CNX
$570
8/9Fri
1 stopKorean Air
36h 50mORD-BKK
$573
8/11Sun
1 stopKorean Air
21h 15mORD-BKK
$586
8/3Sat
1 stopANA
33h 45mORD-BKK
$605

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Last minute flights from Illinois to Thailand

Last minute flight, train and bus deals

5/26Sun
multi-stop
30h 25mORD-BKK
6/2Sun
multi-stop
29h 20mBKK-ORD
$1,445
5/26Sun
multi-stop
31h 40mORD-BKK
6/2Sun
multi-stop
33h 50mBKK-ORD
$1,474
5/26Sun
multi-stopANA
38h 25mORD-BKK
6/2Sun
multi-stopANA
29h 45mBKK-ORD
$1,562
5/23Thu
multi-stopUnited Airlines
30h 51mORD-BKK
6/1Sat
multi-stopUnited Airlines
28h 59mBKK-ORD
$1,568
5/26Sun
multi-stopANA
38h 25mORD-BKK
6/2Sun
multi-stopANA
43h 47mBKK-ORD
$1,572
5/25Sat
multi-stopGulf Air
63h 40mORD-BKK
5/31Fri
multi-stopGulf Air
33h 00mBKK-ORD
$1,645
5/23Thu
multi-stopGulf Air
46h 30mORD-BKK
7/18Thu
multi-stopGulf Air
34h 20mBKK-ORD
$1,651
5/26Sun
multi-stopIndiGo
30h 20mORD-BKK
7/23Tue
multi-stopIndiGo
36h 35mBKK-ORD
$1,748
5/26Sun
multi-stopIndiGo
30h 20mORD-BKK
7/20Sat
multi-stopIndiGo
37h 55mBKK-ORD
$1,749
5/23Thu
multi-stopUnited Airlines
28h 45mORD-BKK
6/1Sat
multi-stopUnited Airlines
24h 59mBKK-ORD
$1,841

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