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Cheap flights from Illinois to Bangkok from $395

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Bangkok departing on 3/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Bangkok

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:10 pm - 5:10 am
ORD
-
BKK
21h 00m
1 stop
Turkish Airlines Logo
6:40 am - 6:15 pm
BKK
-
ORD
23h 35m
1 stop
$796Turkish Airlines
Wed, May 6 - Wed, May 27
Air India Logo
1:30 pm - 7:50 am
ORD
-
BKK
29h 20m
1 stop
Air India Logo
3:10 pm - 12:30 pm
BKK
-
ORD
33h 20m
2 stops
$797Air India
Mon, Feb 23 - Tue, Mar 10
Etihad Airways Logo
2:00 pm - 11:50 pm
ORD
-
BKK
21h 50m
1 stop
Etihad Airways Logo
9:00 pm - 8:35 am
BKK
-
ORD
23h 35m
1 stop
$798Etihad Airways
Sun, Apr 5 - Thu, May 21
Air India Logo
1:10 pm - 7:40 am
ORD
-
BKK
30h 30m
1 stop
Air India Logo
3:15 pm - 11:10 am
BKK
-
ORD
31h 55m
2 stops
$799Air India
Mon, Aug 10 - Thu, Aug 20
Etihad Airways Logo
2:00 pm - 6:45 am
ORD
-
BKK
28h 45m
1 stop
Etihad Airways Logo
9:45 am - 8:35 am
BKK
-
ORD
34h 50m
1 stop
$800Etihad Airways
Thu, Apr 16 - Fri, May 15
EVA Air Logo
12:30 am - 1:05 pm
ORD
-
BKK
24h 35m
1 stop
EVA Air Logo
8:30 am - 9:00 pm
BKK
-
ORD
24h 30m
1 stop
$802EVA Air
Mon, Apr 13 - Thu, May 21
ANA Logo
7:00 am - 9:35 am
ORD
-
BKK
38h 35m
2 stops
ANA Logo
9:35 am - 4:47 am
BKK
-
ORD
31h 12m
2 stops
$803ANA
Wed, May 6 - Wed, May 27
United Airlines Logo
10:45 pm - 9:35 am
ORD
-
BKK
46h 50m
2 stops
United Airlines Logo
3:45 pm - 6:03 am
BKK
-
ORD
26h 18m
2 stops
$804United Airlines
Sun, Apr 19 - Wed, May 6
Etihad Airways Logo
2:00 pm - 11:50 pm
ORD
-
BKK
21h 50m
1 stop
Etihad Airways Logo
9:45 am - 8:35 am
BKK
-
ORD
34h 50m
1 stop
$805Etihad Airways
Sun, Apr 5 - Thu, Apr 23
United Airlines Logo
10:49 am - 9:35 am
ORD
-
BKK
34h 46m
3 stops
United Airlines Logo
9:35 am - 8:40 am
BKK
-
ORD
35h 05m
1 stop
$807United Airlines
Tue, Apr 28 - Wed, May 13

Cathay Pacific flights from Illinois to Bangkok

Our best Cathay Pacific deals on Illinois to Bangkok flight tickets
Cathay Pacific
Apr 21
ORD4:15 pmChicago O'Hare Intl
33h 45m
1 stop
BKK2:00 pmBangkok Suvarnabhumi
May 9
BKK11:00 amBangkok Suvarnabhumi
38h 55m
1 stop
ORD1:55 pmChicago O'Hare Intl
$827
Cathay Pacific
Mar 11
STL7:00 amLambert-St Louis
47h 15m
2 stops
BKK6:15 pmBangkok Suvarnabhumi
Mar 18
BKK11:40 amBangkok Suvarnabhumi
23h 18m
2 stops
STL10:58 pmLambert-St Louis
$907
Cathay Pacific
Feb 20
STL8:00 amLambert-St Louis
27h 15m
2 stops
BKK12:15 amBangkok Suvarnabhumi
Mar 9
BKK12:45 pmBangkok Suvarnabhumi
47h 13m
2 stops
STL11:58 pmLambert-St Louis
$951

United Airlines flights from Illinois to Bangkok

Our best United Airlines deals on Illinois to Bangkok flight tickets
United Airlines
Apr 19
ORD10:45 pmChicago O'Hare Intl
46h 50m
2 stops
BKK9:35 amBangkok Suvarnabhumi
May 6
BKK3:45 pmBangkok Suvarnabhumi
26h 18m
2 stops
ORD6:03 amChicago O'Hare Intl
$804
United Airlines
Apr 28
ORD10:49 amChicago O'Hare Intl
34h 46m
3 stops
BKK9:35 amBangkok Suvarnabhumi
May 13
BKK9:35 amBangkok Suvarnabhumi
35h 05m
1 stop
ORD8:40 amChicago O'Hare Intl
$807
United Airlines
Feb 24
ORD6:25 amChicago O'Hare Intl
28h 55m
2 stops
BKK12:20 amBangkok Suvarnabhumi
Mar 11
BKK4:55 pmBangkok Suvarnabhumi
24h 12m
2 stops
ORD5:07 amChicago O'Hare Intl
$808

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Bangkok that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Illinois to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 5/6

8:10 pm-5:10 am

1 stop21h 00m

Bangkok Suvarnabhumi

Wed 5/27

6:40 am-6:15 pm

1 stop23h 35m

$796

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 2/23

1:30 pm-7:50 am

1 stop29h 20m

Bangkok Suvarnabhumi

Tue 3/10

3:10 pm-12:30 pm

2 stops33h 20m

$797

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 4/5

2:00 pm-11:50 pm

1 stop21h 50m

Bangkok Suvarnabhumi

Thu 5/21

9:00 pm-8:35 am

1 stop23h 35m

$798

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 8/10

1:10 pm-7:40 am

1 stop30h 30m

Bangkok Suvarnabhumi

Thu 8/20

3:15 pm-11:10 am

2 stops31h 55m

$799

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 4/16

2:00 pm-6:45 am

1 stop28h 45m

Bangkok Suvarnabhumi

Fri 5/15

9:45 am-8:35 am

1 stop34h 50m

$800

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 4/13

12:30 am-1:05 pm

1 stop24h 35m

Bangkok Suvarnabhumi

Thu 5/21

8:30 am-9:00 pm

1 stop24h 30m

$802

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 5/6

7:00 am-9:35 am

2 stops38h 35m

Bangkok Suvarnabhumi

Wed 5/27

9:35 am-4:47 am

2 stops31h 12m

$803

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 4/19

10:45 pm-9:35 am

2 stops46h 50m

Bangkok Suvarnabhumi

Wed 5/6

3:45 pm-6:03 am

2 stops26h 18m

$804

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 4/5

2:00 pm-11:50 pm

1 stop21h 50m

Bangkok Suvarnabhumi

Thu 4/23

9:45 am-8:35 am

1 stop34h 50m

$805

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 4/28

10:49 am-9:35 am

3 stops34h 46m

Bangkok Suvarnabhumi

Wed 5/13

9:35 am-8:40 am

1 stop35h 05m

$807

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bangkok from

How to get the cheapest flight ticket from Illinois to Bangkok

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of September, then book flights to Bangkok from Illinois during October instead. Flights to Bangkok in October, while not as cheap as those in September, still average around $828.

How far in advance should I book a flight to Bangkok?

You are more likely to see cheaper flights to Bangkok from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $962 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from Illinois for as low as $849 on momondo.

Cheap Illinois to Bangkok flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Bangkok

Fastest flight time

19h 55m

Direct flights

None
The fastest flight from Illinois to Bangkok takes 19h 55m
There are no direct flights from Illinois to Bangkok. There are no popular flight routes from Illinois to Bangkok.
Search flight deals

  • When did momondo last update prices for flights from Illinois to Bangkok?

    Prices for flights from Illinois to Bangkok are updated daily.

  • How many operators does momondo search for flights from Illinois to Bangkok?

  • How old do you have to be to fly from Illinois to Bangkok?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Bangkok.

  • What documentation or ID do you need to fly to Bangkok?

    The required travel and health documents for your Bangkok trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bangkok. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Bangkok

Compare and see reviews for airlines that fly from Illinois to Bangkok with momondo
Airline
Rating
Free Cancellation
Price
Air IndiaPriceFrom $617Free CancellationRating
5.5
2,968 reviews
Search Air India flights
Cathay PacificPriceFrom $666Free CancellationRating
7.6
1,162 reviews
Search Cathay Pacific flights
ANAPriceFrom $681Free CancellationRating
8.4
1,090 reviews
Search ANA flights
Korean AirPriceFrom $697Free CancellationRating
8.4
1,191 reviews
Search Korean Air flights
Turkish AirlinesPriceFrom $706Free CancellationRating
7.3
4,211 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $706Free CancellationRating
7.4
9,279 reviews
Search United Airlines flights
DeltaPriceFrom $745Free CancellationRating
7.9
8,178 reviews
Search Delta flights
Etihad AirwaysPriceFrom $759Free CancellationRating
7.3
1,393 reviews
Search Etihad Airways flights
American AirlinesPriceFrom $779Free CancellationRating
7.2
11,270 reviews
Search American Airlines flights
EVA AirPriceFrom $828Free CancellationRating
8.4
1,353 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Bangkok?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Bangkok. momondo saves you time and could save you money on your trip.

Can I find flights from Illinois to Bangkok with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Bangkok flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Bangkok?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Bangkok.

I’m not ready to book a flight from Illinois to Bangkok right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Illinois to Bangkok flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Thailand

Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok
Bangkok Suvarnabhumi Airport
Bangkok Don Mueang Intl Airport