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Cheap flights from Illinois to Bangkok from $457

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 9/28. 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.
Air India Logo
1:10 pm - 4:55 pm
ORD
-
BKK
39h 45m
1 stop
Air India Logo
5:55 pm - 11:30 am
BKK
-
ORD
30h 35m
2 stops
$852Air India
Mon, Oct 12 - Tue, Nov 24
SAUDIA Logo
6:00 am - 1:45 pm
ORD
-
BKK
43h 45m
2 stops
SAUDIA Logo
1:50 am - 9:36 pm
BKK
-
ORD
31h 46m
2 stops
$879SAUDIA
Tue, Sep 1 - Mon, Sep 7
Multiple Airlines Logo
5:10 am - 6:45 am
EVV
-
BKK
37h 35m
2 stops
Multiple Airlines Logo
9:00 pm - 5:53 pm
BKK
-
EVV
32h 53m
2 stops
$997Multiple Airlines
Mon, May 4 - Mon, May 18
Multiple Airlines Logo
7:00 am - 12:10 pm
STL
-
BKK
41h 10m
2 stops
Multiple Airlines Logo
11:40 pm - 11:59 pm
BKK
-
STL
60h 19m
2 stops
$1,008Multiple Airlines
Sun, Oct 11 - Sat, Oct 24
Delta Logo
9:30 am - 11:35 pm
MDW
-
BKK
26h 05m
2 stops
Delta Logo
9:50 am - 8:38 am
BKK
-
MDW
34h 48m
2 stops
$1,010Delta
Wed, Aug 26 - Wed, Sep 9
Delta Logo
9:20 am - 1:05 am
MDW
-
BKK
27h 45m
2 stops
Delta Logo
9:40 pm - 6:31 pm
BKK
-
MDW
32h 51m
2 stops
$1,045Delta
Sat, Sep 5 - Sun, Sep 13
Qatar Airways Logo
6:33 am - 2:10 pm
EVV
-
BKK
43h 37m
2 stops
Qatar Airways Logo
7:00 pm - 11:54 pm
BKK
-
EVV
40h 54m
2 stops
$1,089Qatar Airways
Mon, May 4 - Mon, May 18
Qatar Airways Logo
5:20 am - 6:50 am
STL
-
BKK
37h 30m
2 stops
Qatar Airways Logo
2:30 am - 8:30 pm
BKK
-
STL
30h 00m
2 stops
$1,127Qatar Airways
Thu, Apr 30 - Thu, May 21
United Airlines Logo
9:44 am - 4:35 am
BMI
-
BKK
30h 51m
2 stops
United Airlines Logo
3:45 pm - 12:50 pm
BKK
-
BMI
33h 05m
3 stops
$1,803United Airlines
Mon, Oct 12 - Thu, Oct 15
United Airlines Logo
6:50 pm - 4:35 am
MLI
-
BKK
45h 45m
2 stops
United Airlines Logo
3:45 pm - 9:03 pm
BKK
-
MLI
41h 18m
3 stops
$1,809United Airlines
Sun, Sep 13 - Thu, Sep 17

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Etihad Airways flights from Illinois to Bangkok Suvarnabhumi Airport

Our best Etihad Airways deals on Illinois to Bangkok Suvarnabhumi Airport flight tickets
Etihad Airways
May 1
ORD2:00 pmChicago O'Hare Intl
28h 45m
1 stop
BKK6:45 amBangkok Suvarnabhumi
May 9
BKK9:00 pmBangkok Suvarnabhumi
23h 35m
1 stop
ORD8:35 amChicago O'Hare Intl
$962
Etihad Airways
May 1
ORD2:00 pmChicago O'Hare Intl
28h 45m
1 stop
BKK6:45 amBangkok Suvarnabhumi
May 16
BKK8:40 pmBangkok Suvarnabhumi
23h 55m
1 stop
ORD8:35 amChicago O'Hare Intl
$988
Etihad Airways
May 7
ORD2:00 pmChicago O'Hare Intl
28h 45m
1 stop
BKK6:45 amBangkok Suvarnabhumi
May 24
BKK9:00 pmBangkok Suvarnabhumi
23h 35m
1 stop
ORD8:35 amChicago O'Hare Intl
$992

Finnair flights from Illinois to Bangkok Suvarnabhumi Airport

Our best Finnair deals on Illinois to Bangkok Suvarnabhumi Airport flight tickets
Finnair
May 27
STL5:00 pmLambert-St Louis
48h 30m
2 stops
BKK5:30 amBangkok Suvarnabhumi
Jun 24
BKK7:05 amBangkok Suvarnabhumi
47h 28m
2 stops
STL6:33 pmLambert-St Louis
$1,422
Finnair
Jun 10
STL5:00 pmLambert-St Louis
48h 30m
2 stops
BKK5:30 amBangkok Suvarnabhumi
Jun 15
BKK7:05 amBangkok Suvarnabhumi
28h 51m
2 stops
STL11:56 pmLambert-St Louis
$1,437

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Bangkok Suvarnabhumi Airport 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 April 20, 2026.
Use the filters below to find and compare flights from Illinois to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 10/12

1:10 pm-4:55 pm

1 stop39h 45m

Bangkok Suvarnabhumi

Tue 11/24

5:55 pm-11:30 am

2 stops30h 35m

$852

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 9/1

6:00 am-1:45 pm

2 stops43h 45m

Bangkok Suvarnabhumi

Mon 9/7

1:50 am-9:36 pm

2 stops31h 46m

$879

EvansvilleBangkok

EVV - BKK

EVVBKK

Evansville Dress Regional

Mon 5/4

5:10 am-6:45 am

2 stops37h 35m

Bangkok Suvarnabhumi

Mon 5/18

9:00 pm-5:53 pm

2 stops32h 53m

$997

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Sun 10/11

7:00 am-12:10 pm

2 stops41h 10m

Bangkok Suvarnabhumi

Sat 10/24

11:40 pm-11:59 pm

2 stops60h 19m

$1,008

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Wed 8/26

9:30 am-11:35 pm

2 stops26h 05m

Bangkok Suvarnabhumi

Wed 9/9

9:50 am-8:38 am

2 stops34h 48m

$1,010
Quickest round-trip

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Sat 9/5

9:20 am-1:05 am

2 stops27h 45m

Bangkok Suvarnabhumi

Sun 9/13

9:40 pm-6:31 pm

2 stops32h 51m

$1,045

EvansvilleBangkok

EVV - BKK

EVVBKK

Evansville Dress Regional

Mon 5/4

6:33 am-2:10 pm

2 stops43h 37m

Bangkok Suvarnabhumi

Mon 5/18

7:00 pm-11:54 pm

2 stops40h 54m

$1,089

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Thu 4/30

5:20 am-6:50 am

2 stops37h 30m

Bangkok Suvarnabhumi

Thu 5/21

2:30 am-8:30 pm

2 stops30h 00m

$1,127

BloomingtonBangkok

BMI - BKK

BMIBKK

Bloomington-Normal

Mon 10/12

9:44 am-4:35 am

2 stops30h 51m

Bangkok Suvarnabhumi

Thu 10/15

3:45 pm-12:50 pm

3 stops33h 05m

$1,803

MolineBangkok

MLI - BKK

MLIBKK

Moline Quad-City

Sun 9/13

6:50 pm-4:35 am

2 stops45h 45m

Bangkok Suvarnabhumi

Thu 9/17

3:45 pm-9:03 pm

3 stops41h 18m

$1,809

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 Suvarnabhumi Airport

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 Suvarnabhumi Airport?

The month of September is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Illinois, with most prices found around $769. The month of October is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Illinois averaging around $806.

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

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around $960 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Illinois for as low as $838 on momondo.

Can stopping save me money on Illinois to Bangkok Suvarnabhumi Airport flights?

You could potentially save up to 6% on your flight if you consider stops on a Illinois to Bangkok Suvarnabhumi Airport flight.

Cheap Illinois to Bangkok Suvarnabhumi Airport flight deals and tips

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

Fastest flight time

19h 55m

Direct flights

None
The fastest flight from Illinois to Bangkok Suvarnabhumi Airport takes 19h 55m
There are no direct flights from Illinois to Bangkok Suvarnabhumi Airport. There are no popular flight routes from Illinois to Bangkok Suvarnabhumi Airport.
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Frequently asked questions about flying from Illinois to Bangkok Suvarnabhumi Airport

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

    Prices for flights from Illinois to Bangkok Suvarnabhumi Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Bangkok Suvarnabhumi Airport.

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

    The travel and health documents you'll need for your trip to Bangkok Suvarnabhumi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bangkok Suvarnabhumi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Bangkok Suvarnabhumi Airport

Compare and see reviews for airlines that fly from Illinois to Bangkok Suvarnabhumi Airport with momondo
Airline
Rating
Free Cancellation
Price
Air IndiaPriceFrom $611Free CancellationRating
5.5
2,967 reviews
Search Air India flights
Cathay PacificPriceFrom $665Free CancellationRating
7.6
1,282 reviews
Search Cathay Pacific flights
ANAPriceFrom $681Free CancellationRating
8.4
1,184 reviews
Search ANA flights
Korean AirPriceFrom $698Free CancellationRating
8.4
1,212 reviews
Search Korean Air flights
United AirlinesPriceFrom $704Free CancellationRating
7.4
9,611 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $710Free CancellationRating
7.4
4,317 reviews
Search Turkish Airlines flights
DeltaPriceFrom $747Free CancellationRating
7.9
8,431 reviews
Search Delta flights
American AirlinesPriceFrom $790Free CancellationRating
7.1
11,645 reviews
Search American Airlines flights
Etihad AirwaysPriceFrom $799Free CancellationRating
7.3
1,431 reviews
Search Etihad Airways flights
EVA AirPriceFrom $808Free CancellationRating
8.5
1,422 reviews
Search EVA Air flights

Traveling to a place near Bangkok?

Book flights to Bangkok if you plan to visit one of these locations
Pattaya
Ko Samet
Kanchanaburi
Cha-am
Chonburi
Ko Lan
Ayutthaya
Pak Chong
Sattahip
Phetchaburi

Why use momondo?

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

Finding the right flight to Bangkok from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bangkok quick and easy, saving you time and money.

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

Yes. All flights to Bangkok from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Illinois to Bangkok flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Illinois to Bangkok flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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