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Cheap flights from Illinois to Thailand from $362

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 Thailand departing on 3/4. 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 Thailand

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
Cathay Pacific Logo
4:15 pm - 5:20 pm
ORD
-
HKT
37h 05m
1 stop
Cathay Pacific Logo
11:50 am - 1:55 pm
HKT
-
ORD
38h 05m
1 stop
$802Cathay Pacific
Sat, Apr 18 - Mon, Apr 27
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
Cathay Pacific Logo
2:35 pm - 5:35 pm
ORD
-
HKT
38h 00m
1 stop
Cathay Pacific Logo
6:35 pm - 1:55 pm
HKT
-
ORD
31h 20m
1 stop
$873Cathay Pacific
Wed, Mar 4 - Wed, Mar 11
EVA Air Logo
12:30 am - 1:45 pm
ORD
-
CNX
25h 15m
2 stops
EVA Air Logo
11:35 am - 9:00 pm
CNX
-
ORD
21h 25m
1 stop
$929EVA Air
Tue, Apr 7 - Fri, Apr 24

United Airlines flights from Illinois to Thailand

Our best United Airlines deals on Illinois to Thailand 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

Turkish Airlines flights from Illinois to Thailand

Our best Turkish Airlines deals on Illinois to Thailand flight tickets
Turkish Airlines
May 6
ORD8:10 pmChicago O'Hare Intl
21h 00m
1 stop
BKK5:10 amBangkok Suvarnabhumi
May 27
BKK6:40 amBangkok Suvarnabhumi
23h 35m
1 stop
ORD6:15 pmChicago O'Hare Intl
$796
Turkish Airlines
Mar 18
ORD12:50 pmChicago O'Hare Intl
38h 15m
1 stop
BKK3:05 pmBangkok Suvarnabhumi
Jun 8
BKK6:40 amBangkok Suvarnabhumi
23h 35m
1 stop
ORD6:15 pmChicago O'Hare Intl
$814
Turkish Airlines
May 4
ORD11:25 amChicago O'Hare Intl
29h 45m
1 stop
BKK5:10 amBangkok Suvarnabhumi
May 27
BKK6:40 amBangkok Suvarnabhumi
23h 35m
1 stop
ORD6:15 pmChicago O'Hare Intl
$815

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Thailand 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 Thailand 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

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Sat 4/18

4:15 pm-5:20 pm

1 stop37h 05m

Phuket City

Mon 4/27

11:50 am-1:55 pm

1 stop38h 05m

$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

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Wed 3/4

2:35 pm-5:35 pm

1 stop38h 00m

Phuket City

Wed 3/11

6:35 pm-1:55 pm

1 stop31h 20m

$873

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 4/7

12:30 am-1:45 pm

2 stops25h 15m

Chiang Mai

Fri 4/24

11:35 am-9:00 pm

1 stop21h 25m

$929

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 Thailand from

How to get the cheapest flight ticket from Illinois to Thailand

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 Thailand?

The month of September is, on average, the cheapest month to fly to Thailand from Illinois, with most prices found around $805. If you are unable to visit Thailand during the month of September, then departing from Illinois during the month October is also very affordable. Most momondo users find prices during this month for around $828.

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

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

Can stopping save me money on Illinois to Thailand flights?

You could potentially save up to 2% on your flight if you consider stops on a Illinois to Thailand flight.

Cheap Illinois to Thailand flight deals and tips

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

Fastest flight time

19h 55m

Direct flights

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

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

    Prices for flights from Illinois to Thailand are updated daily.

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

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

    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 Thailand.

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

    The required travel and health documents for your Thailand 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 Thailand. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Thailand

Compare and see reviews for airlines that fly from Illinois to Thailand with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $551Free CancellationRating
8.4
1,191 reviews
Search Korean Air flights
Air IndiaPriceFrom $601Free CancellationRating
5.5
2,968 reviews
Search Air India flights
Cathay PacificPriceFrom $666Free CancellationRating
7.6
1,161 reviews
Search Cathay Pacific flights
ANAPriceFrom $681Free CancellationRating
8.4
1,090 reviews
Search ANA flights
Turkish AirlinesPriceFrom $706Free CancellationRating
7.3
4,211 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $706Free CancellationRating
7.4
9,276 reviews
Search United Airlines flights
DeltaPriceFrom $718Free CancellationRating
7.9
8,179 reviews
Search Delta flights
Etihad AirwaysPriceFrom $759Free CancellationRating
7.3
1,393 reviews
Search Etihad Airways flights
American AirlinesPriceFrom $779Free CancellationRating
7.2
11,267 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 Thailand?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Thailand for you.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Thailand from Illinois.

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

Yes momondo offers price alerts on flights to Thailand from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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