Cheap flights from Illinois to Bangkok from $345

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 11/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

ANA Logo
5:45 pm - 4:35 amORD-BKK
22h 50m1 stop
ANA Logo
9:35 pm - 3:10 pmBKK-ORD
29h 35m1 stop
$618ANA
Find Deal
Mon, Sep 8 - Wed, Sep 17
Cathay Pacific Logo
2:40 pm - 10:40 amORD-BKK
31h 00m1 stop
Cathay Pacific Logo
1:05 pm - 1:00 pmBKK-ORD
36h 55m1 stop
$620Cathay Pacific
Find Deal
Wed, Nov 5 - Wed, Dec 24
Cathay Pacific Logo
4:00 pm - 11:50 pmORD-BKK
19h 50m1 stop
Cathay Pacific Logo
7:00 pm - 2:25 pmBKK-ORD
31h 25m1 stop
$621Cathay Pacific
Find Deal
Tue, Sep 9 - Tue, Oct 14
United Airlines Logo
3:40 pm - 11:25 amORD-BKK
30h 45m2 stops
United Airlines Logo
9:25 am - 7:20 amBKK-ORD
34h 55m1 stop
$643United Airlines
Find Deal
Wed, Nov 5 - Wed, Dec 31
United Airlines Logo
7:10 am - 4:35 amORD-BKK
33h 25m2 stops
United Airlines Logo
9:35 am - 3:10 pmBKK-ORD
41h 35m1 stop
$644United Airlines
Find Deal
Mon, Sep 8 - Wed, Sep 17
Air India Logo
1:10 pm - 7:40 amORD-BKK
30h 30m1 stop
Air India Logo
5:55 pm - 11:10 amBKK-ORD
29h 15m2 stops
$656Air India
Find Deal
Wed, Aug 27 - Tue, Oct 14
Delta Logo
9:35 am - 9:45 pmMDW-BKK
24h 10m2 stops
Delta Logo
1:00 am - 10:14 pmBKK-MDW
33h 14m2 stops
$878Delta
Find Deal
Tue, Oct 21 - Tue, Oct 28
Delta Logo
9:20 am - 11:25 pmMDW-BKK
26h 05m2 stops
Delta Logo
9:50 am - 8:53 amBKK-MDW
35h 03m2 stops
$883Delta
Find Deal
Mon, Sep 15 - Mon, Sep 22
American Airlines Logo
7:00 am - 11:00 pmPIA-BKK
28h 00m2 stops
American Airlines Logo
8:05 am - 11:23 pmBKK-PIA
27h 18m2 stops
$890American Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 9
American Airlines Logo
5:18 am - 11:00 pmSTL-BKK
29h 42m2 stops
American Airlines Logo
8:05 am - 10:50 pmBKK-STL
26h 45m2 stops
$915American Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22

ANA flights from Illinois to Bangkok Suvarnabhumi Airport

Our best ANA deals on Illinois to Bangkok Suvarnabhumi Airport flight tickets
ANA
Sep 8
ORD5:45 pmChicago O'Hare Intl
22h 50m
1 stop
BKK4:35 amBangkok Suvarnabhumi
Sep 17
BKK9:35 pmBangkok Suvarnabhumi
29h 35m
1 stop
ORD3:10 pmChicago O'Hare Intl
ANA
Aug 25
ORD5:45 pmChicago O'Hare Intl
22h 50m
1 stop
BKK4:35 amBangkok Suvarnabhumi
Sep 9
BKK9:35 pmBangkok Suvarnabhumi
29h 35m
1 stop
ORD3:10 pmChicago O'Hare Intl
ANA
Sep 2
ORD12:40 pmChicago O'Hare Intl
27h 55m
1 stop
BKK4:35 amBangkok Suvarnabhumi
Sep 8
BKK9:35 pmBangkok Suvarnabhumi
29h 35m
1 stop
ORD3:10 pmChicago O'Hare Intl

Cathay Pacific flights from Illinois to Bangkok Suvarnabhumi Airport

Our best Cathay Pacific deals on Illinois to Bangkok Suvarnabhumi Airport flight tickets
Cathay Pacific
Nov 5
ORD2:40 pmChicago O'Hare Intl
31h 00m
1 stop
BKK10:40 amBangkok Suvarnabhumi
Dec 24
BKK1:05 pmBangkok Suvarnabhumi
36h 55m
1 stop
ORD1:00 pmChicago O'Hare Intl
Cathay Pacific
Sep 9
ORD4:00 pmChicago O'Hare Intl
19h 50m
1 stop
BKK11:50 pmBangkok Suvarnabhumi
Oct 14
BKK7:00 pmBangkok Suvarnabhumi
31h 25m
1 stop
ORD2:25 pmChicago O'Hare Intl
Cathay Pacific
Sep 17
ORD4:00 pmChicago O'Hare Intl
19h 50m
1 stop
BKK11:50 pmBangkok Suvarnabhumi
Oct 15
BKK7:00 pmBangkok Suvarnabhumi
31h 25m
1 stop
ORD2:25 pmChicago O'Hare Intl

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 17, 2025.
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

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 9/8

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Wed 9/17

9:35 pm-3:10 pm

1 stop29h 35m

$618

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 11/5

2:40 pm-10:40 am

1 stop31h 00m

Bangkok Suvarnabhumi

Wed 12/24

1:05 pm-1:00 pm

1 stop36h 55m

$620

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 9/9

4:00 pm-11:50 pm

1 stop19h 50m

Bangkok Suvarnabhumi

Tue 10/14

7:00 pm-2:25 pm

1 stop31h 25m

$621

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 11/5

3:40 pm-11:25 am

2 stops30h 45m

Bangkok Suvarnabhumi

Wed 12/31

9:25 am-7:20 am

1 stop34h 55m

$643

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 9/8

7:10 am-4:35 am

2 stops33h 25m

Bangkok Suvarnabhumi

Wed 9/17

9:35 am-3:10 pm

1 stop41h 35m

$644

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 8/27

1:10 pm-7:40 am

1 stop30h 30m

Bangkok Suvarnabhumi

Tue 10/14

5:55 pm-11:10 am

2 stops29h 15m

$656

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Tue 10/21

9:35 am-9:45 pm

2 stops24h 10m

Bangkok Suvarnabhumi

Tue 10/28

1:00 am-10:14 pm

2 stops33h 14m

$878

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Mon 9/15

9:20 am-11:25 pm

2 stops26h 05m

Bangkok Suvarnabhumi

Mon 9/22

9:50 am-8:53 am

2 stops35h 03m

$883

PeoriaBangkok

PIA - BKK

PIABKK

Greater Peoria

Tue 9/2

7:00 am-11:00 pm

2 stops28h 00m

Bangkok Suvarnabhumi

Tue 9/9

8:05 am-11:23 pm

2 stops27h 18m

$890

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Mon 9/15

5:18 am-11:00 pm

2 stops29h 42m

Bangkok Suvarnabhumi

Mon 9/22

8:05 am-10:50 pm

2 stops26h 45m

$915

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 $886. The month of October is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Illinois averaging around $895.

What is the cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport?

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Tuesday when prices can be found for as low as $995. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,268.

What is the cheapest time of day to depart on your flight to Bangkok Suvarnabhumi Airport?

Our most recent data shows that the best time of day to fly to Bangkok Suvarnabhumi Airport is at noon. Flights from Illinois to Bangkok Suvarnabhumi Airport during this time can be as low as $964. In the evening is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $1,146 per ticket.

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 $1,058 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 $913 on momondo.

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

You could potentially save up to 29% 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

Best Price Found

$345

Fastest flight time

19h 50m

Direct flights

None
The best one-way flight to Bangkok Suvarnabhumi Airport from Illinois in the past 72 hours is $345. The best round-trip flight deal from Illinois to Bangkok Suvarnabhumi Airport found on momondo in the last 72 hours is $618.
The fastest flight from Illinois to Bangkok Suvarnabhumi Airport takes 19h 50m
There are no direct flights from Illinois to Bangkok Suvarnabhumi Airport. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - 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
EmiratesPriceFrom $503Free CancellationRating
8.1
3,315 reviews
Search Emirates flights
Air IndiaPriceFrom $685Free CancellationRating
5.5
2,930 reviews
Search Air India flights
American AirlinesPriceFrom $710Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
ANAPriceFrom $711Free CancellationRating
8.4
933 reviews
Search ANA flights
United AirlinesPriceFrom $729Free CancellationRating
7.4
8,919 reviews
Search United Airlines flights
Korean AirPriceFrom $755Free CancellationRating
8.4
1,131 reviews
Search Korean Air flights
Cathay PacificPriceFrom $768Free CancellationRating
7.6
969 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $790Free CancellationRating
7.3
3,943 reviews
Search Turkish Airlines flights
Etihad AirwaysPriceFrom $821Free CancellationRating
7.4
1,233 reviews
Search Etihad Airways flights
Japan AirlinesPriceFrom $857Free CancellationRating
8.3
1,549 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
Ayutthaya
Chonburi
Cha-am
Ko Lan
Sattahip
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.

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