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Find cheap flights from Illinois to Thailand from $555

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 8/13. 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
Sat 6/22
Sat 6/29

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In the last 7 days travelers have searched 43,800,826 times on KAYAK, and here is why:

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Good to know

Low season

August

High season

December

Cheapest flight

$555
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 O'Hare Airport to Bangkok Suvarnabhumi Airport

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
30h 45mORD-HKT
10/28Mon
1 stopCathay Pacific
31h 20mHKT-ORD
$911
9/5Thu
1 stopCathay Pacific
30h 45mORD-HKT
9/9Mon
1 stopCathay Pacific
31h 55mHKT-ORD
$941
10/1Tue
2 stopsDelta
29h 35mMDW-BKK
10/8Tue
2 stopsDelta
27h 26mBKK-MDW
$975
8/13Tue
2 stopsUnited Airlines
28h 45mORD-BKK
9/16Mon
2 stopsUnited Airlines
24h 28mBKK-ORD
$978
9/9Mon
2 stopsDelta
29h 35mMDW-BKK
9/26Thu
2 stopsDelta
34h 51mBKK-MDW
$981
8/11Sun
2 stopsUnited Airlines
38h 27mORD-BKK
9/2Mon
2 stopsUnited Airlines
32h 03mBKK-ORD
$984
8/15Thu
2 stopsANA
26h 55mORD-BKK
9/17Tue
1 stopANA
35h 05mBKK-ORD
$990
8/15Thu
2 stopsANA
26h 55mORD-BKK
9/19Thu
1 stopANA
19h 55mBKK-ORD
$992
9/3Tue
2 stops
27h 15mORD-HKT
9/10Tue
2 stops
27h 45mHKT-ORD
$995
9/2Mon
2 stops
27h 45mORD-HKT
9/10Tue
2 stops
25h 15mHKT-ORD
$1,044

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Recent one-way flight deals

8/13Tue
1 stopUnited Airlines
24h 05mORD-BKK
$555
8/12Mon
1 stopEVA Air
23h 05mORD-BKK
$556
8/15Thu
1 stopANA
24h 05mORD-BKK
$567
8/18Sun
2 stopsANA
45h 00mORD-BKK
$573
8/10Sat
1 stopKorean Air
36h 50mORD-BKK
$576
8/17Sat
2 stops
34h 20mORD-BKK
$582
8/10Sat
1 stopKorean Air
21h 15mORD-BKK
$583
8/8Thu
1 stopDelta
23h 05mORD-BKK
$594
8/13Tue
3 stops
39h 39mORD-BKK
$595
8/10Sat
2 stopsDelta
27h 45mORD-BKK
$599

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Last minute flights from Illinois to Thailand

Last minute flight, train and bus deals

5/28Tue
multi-stop
32h 35mORD-BKK
6/6Thu
multi-stop
42h 24mBKK-ORD
$1,345
5/28Tue
multi-stop
32h 35mORD-BKK
6/6Thu
multi-stop
35h 17mBKK-ORD
$1,397
5/28Tue
multi-stopUnited Airlines
43h 16mORD-BKK
6/6Thu
multi-stopUnited Airlines
32h 22mBKK-ORD
$1,524
5/26Sun
multi-stopGulf Air
46h 30mORD-BKK
6/26Wed
multi-stopGulf Air
49h 07mBKK-ORD
$1,612
5/28Tue
multi-stopGulf Air
49h 00mORD-BKK
6/11Tue
multi-stopGulf Air
36h 32mBKK-ORD
$1,618
5/27Mon
multi-stopANA
27h 30mORD-BKK
7/7Sun
multi-stopANA
29h 45mBKK-ORD
$1,634
5/28Tue
multi-stopIndiGo
47h 50mORD-HKT
6/11Tue
multi-stopIndiGo
29h 30mHKT-ORD
$1,644
5/28Tue
multi-stopIndiGo
47h 50mORD-HKT
6/10Mon
multi-stopIndiGo
29h 30mHKT-ORD
$1,659
5/25Sat
multi-stopANA
45h 00mORD-BKK
6/4Tue
multi-stopANA
31h 47mBKK-ORD
$1,740
5/28Tue
multi-stopUnited Airlines
43h 16mORD-BKK
6/11Tue
multi-stopUnited Airlines
41h 45mBKK-ORD
$1,787

Search by stops

Search by airline

Search by price