HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pattaya

$371+ Cheap flights from Illinois to Pattaya, Thailand

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Pattaya with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Pattaya

Keep the following information in mind while searching for Illinois to Pattaya flight deals. Data was last updated September 15, 2025.

Round-trip from

$675
(flugladen.de)

One-way from

$371
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$858
From Illinois to Pattaya
Search Deals
One-way flight from Illinois to Pattaya
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Illinois to Pattaya

Cheapest flights from Illinois to Pattaya
Explore the most affordable flight options available from Illinois to Pattaya. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This flugladen.de deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2912:10 pmORD - BKK
1 stop23h 15mKorean Air
Wed 10/1511:30 pmBKK - ORD
1 stop22h 00mKorean Air
Deal found 9/13$675
This Ovago deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:40 pmORD - BKK
1 stop38h 35mCathay Pacific
Tue 11/1111:40 amBKK - ORD
1 stop38h 20mCathay Pacific
Deal found 9/13$678
This Ovago deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:00 pmORD - BKK
1 stop19h 50mCathay Pacific
Tue 9/303:00 pmBKK - ORD
1 stop35h 25mCathay Pacific
Deal found 9/14$679
This Ovago deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:40 pmORD - BKK
1 stop36h 15mCathay Pacific
Mon 11/245:40 pmBKK - ORD
1 stop32h 20mCathay Pacific
Deal found 9/13$680
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2711:45 pmORD - BKK
1 stop27h 40mTurkish Airlines
Tue 10/711:00 amBKK - ORD
1 stop34h 40mTurkish Airlines
Deal found 9/15$681
This Ovago deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/214:00 pmORD - BKK
1 stop36h 30mCathay Pacific
Wed 11/125:40 pmBKK - ORD
1 stop32h 20mCathay Pacific
Deal found 9/13$682
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/201:10 pmORD - BKK
1 stop43h 15mAir India
Sun 11/25:55 pmBKK - ORD
2 stops30h 35mAir India
Deal found 9/15$683
This Ovago deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:00 pmORD - BKK
1 stop31h 05mCathay Pacific
Mon 10/1312:30 pmBKK - ORD
1 stop37h 55mCathay Pacific
Deal found 9/14$684
This KAYAK deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:35 pmORD - BKK
1 stop31h 40mCathay Pacific
Wed 12/104:55 pmBKK - ORD
1 stop33h 00mCathay Pacific
Deal found 9/15$685
This Tripair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Tripair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:00 amORD - BKK
2 stops30h 55mUnited Airlines
Sun 10/59:35 amBKK - ORD
1 stop41h 35mUnited Airlines
Deal found 9/15$687
This eDestinos deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:45 pmORD - BKK
1 stop24h 15mANA
Thu 9/257:00 amBKK - ORD
1 stop19h 55mANA
Deal found 9/13$688
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2011:50 amORD - BKK
1 stop27h 30mTurkish Airlines
Tue 12/235:50 amBKK - ORD
1 stop41h 15mTurkish Airlines
Deal found 9/14$690

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Pattaya 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, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Illinois to Pattaya that are best for you.

Fly from

Illinois

Fly to

Pattaya

Route

Depart

Return

Price

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 11/27

4:25 pm-5:10 am

1 stop23h 45m

Bangkok Suvarnabhumi

Thu 1/1

9:10 am-3:10 pm

1 stop19h 00m

$699

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 11/25

11:15 am-11:20 pm

1 stop23h 05m

Bangkok Suvarnabhumi

Tue 12/23

11:15 pm-8:30 am

1 stop22h 15m

$699

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 9/18

7:55 am-9:45 pm

2 stops25h 50m

Bangkok Suvarnabhumi

Wed 9/24

2:35 am-11:55 pm

2 stops33h 20m

$703

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 11/27

7:47 am-12:45 am

2 stops27h 58m

Bangkok Suvarnabhumi

Wed 12/24

12:55 am-11:58 pm

2 stops36h 03m

$710

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 11/24

7:47 am-11:20 pm

2 stops26h 33m

Bangkok Suvarnabhumi

Tue 12/23

12:55 am-12:54 pm

2 stops24h 59m

$710

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 11/3

7:37 am-12:45 am

2 stops28h 08m

Bangkok Suvarnabhumi

Mon 11/17

12:55 am-9:25 pm

2 stops33h 30m

$710

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 11/26

6:00 am-9:30 pm

2 stops26h 30m

Bangkok Suvarnabhumi

Tue 12/23

11:15 pm-12:54 pm

2 stops26h 39m

$710

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 11/27

7:47 am-12:45 am

2 stops27h 58m

Bangkok Suvarnabhumi

Mon 12/22

11:15 pm-9:39 pm

2 stops35h 24m

$710

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 11/5

3:40 pm-11:25 am

2 stops30h 45m

Bangkok Suvarnabhumi

Wed 11/12

4:55 pm-5:16 am

2 stops25h 21m

$723

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 10/29

8:14 pm-11:25 am

2 stops27h 11m

Bangkok Suvarnabhumi

Wed 11/12

4:55 pm-5:16 am

2 stops25h 21m

$723

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 56 results
1
2
3
...
6

Best time to book a flight from Illinois to Pattaya

Have a flexible travel schedule? Discover the best time to fly to Pattaya from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Pattaya

What is the cheapest month to book a flight from Illinois to Pattaya?

Currently, September is the cheapest month in which you can book a flight from Illinois to Pattaya (average of $900). Flying from Illinois to Pattaya in December is currently the most expensive (average of $1,507). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to P4T?

Find hourly flight availability from Illinois to Pattaya. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Pattaya as you normally would.

How much does it cost to fly round-trip from Illinois to Pattaya?

Related info for your journey

Find useful and relevant information for your journey from Illinois to Pattaya. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Pattaya?

    Departing from Illinois to Pattaya will take you 23h 05m. There are 8545 mi between Illinois and Pattaya. This flight may include one or multiple stops.

  • What are the most popular routes from Illinois to Pattaya?

    While some choose either Chicago Midway - Bangkok Suvarnabhumi or Lambert-St Louis - Bangkok Suvarnabhumi, Chicago O'Hare Intl - Bangkok Suvarnabhumi is the most popular route from Illinois to Pattaya.

  • Can I find deals for flights from Illinois to Pattaya that include hotel bookings?

    Yes. In addition to deals on Illinois to Pattaya flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Pattaya?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Pattaya.

  • Can I find deals for business class flights from Illinois to Pattaya?

    Yes. Cheapflights offers flight deals from Illinois to Pattaya by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Pattaya?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Pattaya (average of $900). Flying from Illinois to Pattaya in December is currently the most expensive (average of $1,507). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Pattaya

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Suvarnabhumi flights
Los Angeles to Suvarnabhumi flights
Seattle to Suvarnabhumi flights
San Francisco to Suvarnabhumi flights
Newark to Suvarnabhumi flights
Dulles Intl to Suvarnabhumi flights
LaGuardia to Suvarnabhumi flights
O'Hare Intl to Suvarnabhumi flights
Dallas/Fort Worth to Suvarnabhumi flights
Hobby to Suvarnabhumi flights
Baltimore to Suvarnabhumi flights
Reagan-National to Suvarnabhumi flights
Boston to Suvarnabhumi flights
Atlanta to Suvarnabhumi flights
Ontario to Suvarnabhumi flights
Miami to Suvarnabhumi flights
George Bush Intcntl to Suvarnabhumi flights
Los Angeles to Don Mueang Intl flights
John F Kennedy Intl to Don Mueang Intl flights
Dulles Intl to Don Mueang Intl flights
Midway to Suvarnabhumi flights
Denver to Suvarnabhumi flights
Minneapolis to Suvarnabhumi flights
Burbank to Suvarnabhumi flights
San Francisco to Don Mueang Intl flights
Las Vegas to Suvarnabhumi flights
San Jose to Suvarnabhumi flights
Santa Ana to Suvarnabhumi flights
Honolulu to Suvarnabhumi flights
Orlando to Suvarnabhumi flights
Love Field to Suvarnabhumi flights
Detroit to Suvarnabhumi flights
Sky Harbor Intl to Suvarnabhumi flights
San Diego to Suvarnabhumi flights
Oakland to Suvarnabhumi flights
Portland to Suvarnabhumi flights
Philadelphia to Suvarnabhumi flights
Charlotte to Suvarnabhumi flights
Tampa to Suvarnabhumi flights
Jacksonville to Suvarnabhumi flights
John F Kennedy Intl to Phuket City flights
Omaha to Suvarnabhumi flights
Seattle to Don Mueang Intl flights
Los Angeles to Phuket City flights
Austin to Suvarnabhumi flights
Columbus to Suvarnabhumi flights
O'Hare Intl to Don Mueang Intl flights
Newark to Phuket City flights
Raleigh to Suvarnabhumi flights
San Francisco to Phuket City flights

Top 10 airlines flying from Illinois to Pattaya

Discover the top 10 airlines that operate flights from Illinois to Pattaya. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest$503Average$1,391FlexibilityNo cancel feeOn-time75%
Air IndiaCheapest$657Average$903FlexibilityNo cancel feeOn-timeN/A
ANACheapest$685Average$937FlexibilityNo cancel feeOn-time80%
Cathay PacificCheapest$686Average$879FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$709Average$896FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$710Average$1,198FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$722Average$940FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$770Average$987FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$815Average$977FlexibilityNo cancel feeOn-time79%
Etihad AirwaysCheapest$820Average$1,190FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.