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Cheap flights from Illinois to Bangkok from $439

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 10/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Bangkok

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:40 pm - 5:05 amORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
49h 25m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
7:05 am - 7:51 amBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
36h 46m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$864Air Canada
Tue, Aug 25 - Mon, Oct 5
Air Canada Logo
3:40 pm - 5:05 amORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
25h 25m1 stop Vancouver Intl
Air Canada Logo
9:40 am - 8:01 pmBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
23h 21m2 stops Incheon Intl Vancouver Intl
$864Air Canada
Wed, Sep 9 - Wed, Nov 11
Etihad Airways Logo
8:20 pm - 11:20 pmORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
38h 00m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
3:55 pm - 8:35 amBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
28h 40m1 stop Abu Dhabi Zayed Intl
$864Etihad Airways
Thu, Jan 28 - Wed, Apr 28
Etihad Airways Logo
8:20 pm - 11:20 pmORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
38h 00m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
7:55 pm - 8:35 amBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
24h 40m1 stop Abu Dhabi Zayed Intl
$864Etihad Airways
Tue, Jan 26 - Thu, Apr 29
Turkish Airlines Logo
12:45 pm - 4:30 amORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
27h 45m1 stop Istanbul
Turkish Airlines Logo
6:10 am - 6:20 pmBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
25h 10m1 stop Istanbul
$875Turkish Airlines
Thu, Oct 29 - Thu, Nov 12
Cathay Pacific Logo
3:35 pm - 12:05 pmORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
32h 30m1 stop Hong Kong Intl
Cathay Pacific Logo
7:55 am - 12:55 pmBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
18h 00m1 stop Hong Kong Intl
$883Cathay Pacific
Mon, Oct 26 - Tue, Nov 17
Cathay Pacific Logo
2:35 pm - 10:40 amORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
31h 05m1 stop Hong Kong Intl
Cathay Pacific Logo
3:05 pm - 12:55 pmBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
34h 50m1 stop Hong Kong Intl
$883Cathay Pacific
Thu, Nov 5 - Sun, Dec 6
Turkish Airlines Logo
11:45 am - 4:30 amORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
27h 45m1 stop Istanbul
Turkish Airlines Logo
10:20 am - 10:00 amBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
36h 40m1 stop Istanbul
$894Turkish Airlines
Tue, Nov 17 - Thu, Dec 3
Multiple Airlines Logo
8:25 pm - 6:45 amORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
22h 20m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
5:15 pm - 9:00 pmBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
39h 45m1 stop Taipei City Taiwan Taoyuan Intl
$898Multiple Airlines
Wed, Sep 23 - Wed, Apr 21
Multiple Airlines Logo
8:25 pm - 6:45 amORD  Chicago O'Hare Intl-BKK Bangkok Suvarnabhumi
22h 20m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
5:15 pm - 9:00 pmBKK  Bangkok Suvarnabhumi-ORD Chicago O'Hare Intl
39h 45m1 stop Taipei City Taiwan Taoyuan Intl
$899Multiple Airlines
Wed, Sep 23 - Tue, Mar 30

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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
Jan 28
ORD1:10 pmChicago O'Hare Intl
39h 50m
1 stop
BKK6:00 pmBangkok Suvarnabhumi
Apr 29
BKK7:55 pmBangkok Suvarnabhumi
24h 40m
1 stop
ORD8:35 amChicago O'Hare Intl
$864
Etihad Airways
Oct 10
ORD2:00 pmChicago O'Hare Intl
34h 10m
1 stop
BKK12:10 pmBangkok Suvarnabhumi
Nov 20
BKK2:40 pmBangkok Suvarnabhumi
30h 15m
1 stop
ORD7:55 amChicago O'Hare Intl
$865
Etihad Airways
Sep 26
ORD2:00 pmChicago O'Hare Intl
28h 45m
1 stop
BKK6:45 amBangkok Suvarnabhumi
Oct 11
BKK3:55 pmBangkok Suvarnabhumi
28h 40m
1 stop
ORD8:35 amChicago O'Hare Intl
$870

American Airlines flights from Illinois to Bangkok Suvarnabhumi Airport

Our best American Airlines deals on Illinois to Bangkok Suvarnabhumi Airport flight tickets
American Airlines
Aug 24
ORD8:20 amChicago O'Hare Intl
26h 40m
2 stops
BKK11:00 pmBangkok Suvarnabhumi
Sep 14
BKK9:40 amBangkok Suvarnabhumi
26h 50m
2 stops
ORD12:30 amChicago O'Hare Intl
$899
American Airlines
Sep 23
ORD8:15 amChicago O'Hare Intl
26h 45m
2 stops
BKK11:00 pmBangkok Suvarnabhumi
Sep 30
BKK7:55 amBangkok Suvarnabhumi
25h 14m
2 stops
ORD9:09 pmChicago O'Hare Intl
$902
American Airlines
Sep 24
ORD8:15 amChicago O'Hare Intl
26h 45m
2 stops
BKK11:00 pmBangkok Suvarnabhumi
Oct 1
BKK7:55 amBangkok Suvarnabhumi
25h 14m
2 stops
ORD9:09 pmChicago O'Hare Intl
$907

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 August 12, 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 Chicago O'Hare Intl - BKK Bangkok Suvarnabhumi

ORDBKK

Chicago O'Hare Intl

Tue 8/25

3:40 pm-5:05 am

2 stops49h 25m

Bangkok Suvarnabhumi

Mon 10/5

7:05 am-7:51 am

2 stops36h 46m

$864
Quickest round-trip

ChicagoBangkok

ORD Chicago O'Hare Intl - BKK Bangkok Suvarnabhumi

ORDBKK

Chicago O'Hare Intl

Wed 9/9

3:40 pm-5:05 am

1 stop25h 25m

Bangkok Suvarnabhumi

Wed 11/11

9:40 am-8:01 pm

2 stops23h 21m

$864

ChicagoBangkok

ORD Chicago O'Hare Intl - BKK Bangkok Suvarnabhumi

ORDBKK

Chicago O'Hare Intl

Thu 1/28

8:20 pm-11:20 pm

1 stop38h 00m

Bangkok Suvarnabhumi

Wed 4/28

3:55 pm-8:35 am

1 stop28h 40m

$864

ChicagoBangkok

ORD Chicago O'Hare Intl - BKK Bangkok Suvarnabhumi

ORDBKK

Chicago O'Hare Intl

Tue 1/26

8:20 pm-11:20 pm

1 stop38h 00m

Bangkok Suvarnabhumi

Thu 4/29

7:55 pm-8:35 am

1 stop24h 40m

$864

ChicagoBangkok

ORD Chicago O'Hare Intl - BKK Bangkok Suvarnabhumi

ORDBKK

Chicago O'Hare Intl

Thu 10/29

12:45 pm-4:30 am

1 stop27h 45m

Bangkok Suvarnabhumi

Thu 11/12

6:10 am-6:20 pm

1 stop25h 10m

$875

ChicagoBangkok

ORD Chicago O'Hare Intl - BKK Bangkok Suvarnabhumi

ORDBKK

Chicago O'Hare Intl

Mon 10/26

3:35 pm-12:05 pm

1 stop32h 30m

Bangkok Suvarnabhumi

Tue 11/17

7:55 am-12:55 pm

1 stop18h 00m

$883

ChicagoBangkok

ORD Chicago O'Hare Intl - BKK Bangkok Suvarnabhumi

ORDBKK

Chicago O'Hare Intl

Thu 11/5

2:35 pm-10:40 am

1 stop31h 05m

Bangkok Suvarnabhumi

Sun 12/6

3:05 pm-12:55 pm

1 stop34h 50m

$883

ChicagoBangkok

ORD Chicago O'Hare Intl - BKK Bangkok Suvarnabhumi

ORDBKK

Chicago O'Hare Intl

Tue 11/17

11:45 am-4:30 am

1 stop27h 45m

Bangkok Suvarnabhumi

Thu 12/3

10:20 am-10:00 am

1 stop36h 40m

$894

ChicagoBangkok

ORD Chicago O'Hare Intl - BKK Bangkok Suvarnabhumi

ORDBKK

Chicago O'Hare Intl

Wed 9/23

8:25 pm-6:45 am

1 stop22h 20m

Bangkok Suvarnabhumi

Wed 4/21

5:15 pm-9:00 pm

1 stop39h 45m

$898

ChicagoBangkok

ORD Chicago O'Hare Intl - BKK Bangkok Suvarnabhumi

ORDBKK

Chicago O'Hare Intl

Wed 9/23

8:25 pm-6:45 am

1 stop22h 20m

Bangkok Suvarnabhumi

Tue 3/30

5:15 pm-9:00 pm

1 stop39h 45m

$899

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $865. The month of February is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Illinois averaging around $876.

How far in advance should I book a flight from Illinois 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 $1,010 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 $929 on momondo.

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

You could potentially save up to 20% 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

21h 10m

Direct flights

None
The fastest flight from Illinois to Bangkok Suvarnabhumi Airport takes 21h 10m
There are no direct flights from Illinois to Bangkok Suvarnabhumi Airport. There are no popular flight routes from Illinois to Bangkok Suvarnabhumi Airport.
Search flight deals

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 $602Free CancellationRating
5.5
2,948 reviews
Search Air India flights
Cathay PacificPriceFrom $668Free CancellationRating
7.6
1,451 reviews
Search Cathay Pacific flights
ANAPriceFrom $685Free CancellationRating
8.3
1,294 reviews
Search ANA flights
Korean AirPriceFrom $695Free CancellationRating
8.4
1,221 reviews
Search Korean Air flights
Turkish AirlinesPriceFrom $710Free CancellationRating
7.4
4,482 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $721Free CancellationRating
7.4
10,115 reviews
Search United Airlines flights
DeltaPriceFrom $749Free CancellationRating
7.8
8,503 reviews
Search Delta flights
American AirlinesPriceFrom $790Free CancellationRating
7.1
11,919 reviews
Search American Airlines flights
EVA AirPriceFrom $805Free CancellationRating
8.5
1,515 reviews
Search EVA Air flights
Japan AirlinesPriceFrom $815Free CancellationRating
8.3
1,901 reviews
Search Japan Airlines 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
Sattahip
Ayutthaya
Ko Lan
Pak Chong
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.

An easier way to manage your Bangkok Suvarnabhumi Airport trip

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