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Cheap flights from Illinois to Bangkok from $422

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 4/18. 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

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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.
Etihad Airways Logo
1:00 pm - 7:00 pm
ORD
-
BKK
42h 00m
1 stop
Etihad Airways Logo
8:50 pm - 9:15 am
BKK
-
ORD
24h 25m
1 stop
$824Etihad Airways
vie., abr. 10 - dom., abr. 26
Etihad Airways Logo
1:00 pm - 7:00 pm
ORD
-
BKK
42h 00m
1 stop
Etihad Airways Logo
8:50 pm - 9:15 am
BKK
-
ORD
24h 25m
1 stop
$829Etihad Airways
vie., abr. 3 - dom., abr. 19
SAUDIA Logo
6:04 am - 1:45 pm
ORD
-
BKK
43h 41m
2 stops
SAUDIA Logo
3:25 pm - 9:36 pm
BKK
-
ORD
42h 11m
2 stops
$848SAUDIA
mar., abr. 21 - sáb., may. 9
SAUDIA Logo
1:06 pm - 12:05 am
ORD
-
BKK
46h 59m
2 stops
SAUDIA Logo
3:20 pm - 9:57 pm
BKK
-
ORD
42h 37m
2 stops
$853SAUDIA
lun., abr. 27 - lun., may. 4
Delta Logo
9:30 am - 11:35 pm
MDW
-
BKK
26h 05m
2 stops
Delta Logo
11:30 pm - 12:30 pm
BKK
-
MDW
25h 00m
2 stops
$903Delta
mié., sep. 16 - mié., sep. 30
Delta Logo
9:20 am - 11:35 pm
MDW
-
BKK
26h 15m
2 stops
Delta Logo
9:40 pm - 6:31 pm
BKK
-
MDW
32h 51m
2 stops
$904Delta
lun., jul. 20 - mié., sep. 30
Multiple Airlines Logo
7:00 am - 6:45 am
STL
-
BKK
35h 45m
2 stops
Multiple Airlines Logo
8:50 pm - 7:30 pm
BKK
-
STL
34h 40m
2 stops
$954Multiple Airlines
mié., abr. 8 - mar., abr. 21
Multiple Airlines Logo
7:00 am - 11:50 pm
STL
-
BKK
28h 50m
2 stops
Multiple Airlines Logo
3:55 pm - 1:22 pm
BKK
-
STL
33h 27m
2 stops
$955Multiple Airlines
dom., may. 10 - dom., may. 17
Qatar Airways Logo
12:51 pm - 7:05 am
MLI
-
BKK
30h 14m
2 stops
Qatar Airways Logo
2:05 am - 11:54 pm
BKK
-
MLI
33h 49m
2 stops
$1,019Qatar Airways
lun., abr. 27 - mié., may. 13
Qatar Airways Logo
12:27 pm - 7:05 am
STL
-
BKK
30h 38m
2 stops
Qatar Airways Logo
2:05 am - 10:17 pm
BKK
-
STL
32h 12m
2 stops
$1,039Qatar Airways
dom., abr. 19 - mar., abr. 28

Qatar Airways flights from Illinois to Bangkok

Our best Qatar Airways deals on Illinois to Bangkok flight tickets
Qatar Airways
Apr 14
ORD7:20 pmChicago O'Hare Intl
23h 00m
1 stop
BKK6:20 amBangkok Suvarnabhumi
Apr 27
BKK1:45 amBangkok Suvarnabhumi
25h 20m
1 stop
ORD3:05 pmChicago O'Hare Intl
$879
Qatar Airways
Apr 16
ORD7:20 pmChicago O'Hare Intl
29h 35m
1 stop
BKK12:55 pmBangkok Suvarnabhumi
Apr 22
BKK1:45 amBangkok Suvarnabhumi
25h 20m
1 stop
ORD3:05 pmChicago O'Hare Intl
$886
Qatar Airways
Apr 15
ORD7:20 pmChicago O'Hare Intl
30h 00m
1 stop
BKK1:20 pmBangkok Suvarnabhumi
Apr 27
BKK1:45 amBangkok Suvarnabhumi
25h 20m
1 stop
ORD3:05 pmChicago O'Hare Intl
$888

Etihad Airways flights from Illinois to Bangkok

Our best Etihad Airways deals on Illinois to Bangkok flight tickets
Etihad Airways
Apr 10
ORD1:00 pmChicago O'Hare Intl
42h 00m
1 stop
BKK7:00 pmBangkok Suvarnabhumi
Apr 26
BKK8:50 pmBangkok Suvarnabhumi
24h 25m
1 stop
ORD9:15 amChicago O'Hare Intl
$824
Etihad Airways
Apr 3
ORD1:00 pmChicago O'Hare Intl
42h 00m
1 stop
BKK7:00 pmBangkok Suvarnabhumi
Apr 19
BKK8:50 pmBangkok Suvarnabhumi
24h 25m
1 stop
ORD9:15 amChicago O'Hare Intl
$829
Etihad Airways
May 8
ORD2:00 pmChicago O'Hare Intl
21h 50m
1 stop
BKK11:50 pmBangkok Suvarnabhumi
May 17
BKK9:00 pmBangkok Suvarnabhumi
23h 35m
1 stop
ORD8:35 amChicago O'Hare Intl
$830

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 marzo 31, 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

Cheapest round-trip

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

vie. 4/10

1:00 pm-7:00 pm

1 stop42h 00m

Bangkok Suvarnabhumi

dom. 4/26

8:50 pm-9:15 am

1 stop24h 25m

$824

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

vie. 4/3

1:00 pm-7:00 pm

1 stop42h 00m

Bangkok Suvarnabhumi

dom. 4/19

8:50 pm-9:15 am

1 stop24h 25m

$829

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

mar. 4/21

6:04 am-1:45 pm

2 stops43h 41m

Bangkok Suvarnabhumi

sáb. 5/9

3:25 pm-9:36 pm

2 stops42h 11m

$848

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

lun. 4/27

1:06 pm-12:05 am

2 stops46h 59m

Bangkok Suvarnabhumi

lun. 5/4

3:20 pm-9:57 pm

2 stops42h 37m

$853
Quickest round-trip

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

mié. 9/16

9:30 am-11:35 pm

2 stops26h 05m

Bangkok Suvarnabhumi

mié. 9/30

11:30 pm-12:30 pm

2 stops25h 00m

$903

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

lun. 7/20

9:20 am-11:35 pm

2 stops26h 15m

Bangkok Suvarnabhumi

mié. 9/30

9:40 pm-6:31 pm

2 stops32h 51m

$904

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

mié. 4/8

7:00 am-6:45 am

2 stops35h 45m

Bangkok Suvarnabhumi

mar. 4/21

8:50 pm-7:30 pm

2 stops34h 40m

$954

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

dom. 5/10

7:00 am-11:50 pm

2 stops28h 50m

Bangkok Suvarnabhumi

dom. 5/17

3:55 pm-1:22 pm

2 stops33h 27m

$955

MolineBangkok

MLI - BKK

MLIBKK

Moline Quad-City

lun. 4/27

12:51 pm-7:05 am

2 stops30h 14m

Bangkok Suvarnabhumi

mié. 5/13

2:05 am-11:54 pm

2 stops33h 49m

$1,019

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

dom. 4/19

12:27 pm-7:05 am

2 stops30h 38m

Bangkok Suvarnabhumi

mar. 4/28

2:05 am-10:17 pm

2 stops32h 12m

$1,039

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 $811.

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 $957 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 $843 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

21h 50m

Direct flights

None
The fastest flight from Illinois to Bangkok takes 21h 50m
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 $611Free CancellationRating
5.5
2,973 reviews
Search Air India flights
Cathay PacificPriceFrom $666Free CancellationRating
7.6
1,234 reviews
Search Cathay Pacific flights
ANAPriceFrom $681Free CancellationRating
8.4
1,160 reviews
Search ANA flights
Korean AirPriceFrom $698Free CancellationRating
8.4
1,203 reviews
Search Korean Air flights
United AirlinesPriceFrom $705Free CancellationRating
7.4
9,525 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $712Free CancellationRating
7.4
4,294 reviews
Search Turkish Airlines flights
DeltaPriceFrom $747Free CancellationRating
7.9
8,364 reviews
Search Delta flights
American AirlinesPriceFrom $779Free CancellationRating
7.1
11,541 reviews
Search American Airlines flights
Etihad AirwaysPriceFrom $799Free CancellationRating
7.3
1,432 reviews
Search Etihad Airways flights
EVA AirPriceFrom $807Free CancellationRating
8.5
1,395 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