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Pattaya

$396+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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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 October 23, 2025.

This Trip.com deal was found by Cheapflights users on 10/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/159:22 pmORD - BKK
2 stops48h 53mMultiple Airlines
Sun 12/712:15 pmBKK - ORD
2 stops30h 45mMultiple Airlines
Deal found 10/21$720
This oojo deal was found by Cheapflights users on 10/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/101:30 pmORD - BKK
1 stop35h 40mAir India
Sun 12/143:10 pmBKK - ORD
2 stops33h 20mAir India
Deal found 10/22$733
This oojo deal was found by Cheapflights users on 10/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:50 amORD - BKK
1 stop27h 30mTurkish Airlines
Thu 12/1810:10 amBKK - ORD
1 stop36h 55mTurkish Airlines
Deal found 10/21$737
This Trip.com deal was found by Cheapflights users on 10/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/159:22 pmORD - BKK
2 stops48h 53mMultiple Airlines
Sat 11/221:45 amBKK - ORD
2 stops41h 40mMultiple Airlines
Deal found 10/21$744
This FlightHub deal was found by Cheapflights users on 10/21. 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.
Tue 12/211:50 amORD - BKK
1 stop31h 50mTurkish Airlines
Thu 12/115:50 amBKK - ORD
1 stop41h 15mTurkish Airlines
Deal found 10/21$750
This CheapOair deal was found by Cheapflights users on 10/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:20 pmORD - BKK
1 stop29h 45mTurkish Airlines
Mon 11/2411:15 pmBKK - ORD
1 stop32h 10mTurkish Airlines
Deal found 10/23$761
This Turkish Airlines deal was found by Cheapflights users on 10/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:50 amORD - BKK
1 stop27h 30mTurkish Airlines
Wed 12/35:50 amBKK - ORD
1 stop41h 15mTurkish Airlines
Deal found 10/21$765
This CrystalTravel deal was found by Cheapflights users on 10/22. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:35 pmORD - BKK
1 stop24h 55mANA
Wed 11/122:20 pmBKK - ORD
1 stop30h 00mANA
Deal found 10/22$767
This oojo deal was found by Cheapflights users on 10/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:30 pmORD - BKK
1 stop38h 25mAir India
Sat 2/75:55 pmBKK - ORD
2 stops30h 35mAir India
Deal found 10/21$776
This CrystalTravel deal was found by Cheapflights users on 10/22. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:35 pmORD - BKK
1 stop32h 30mCathay Pacific
Wed 12/177:55 amBKK - ORD
1 stop18h 00mCathay Pacific
Deal found 10/22$784
This CrystalTravel deal was found by Cheapflights users on 10/22. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:35 pmORD - BKK
1 stop31h 05mCathay Pacific
Wed 12/177:15 pmBKK - ORD
1 stop30h 40mCathay Pacific
Deal found 10/22$786
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:00 amMDW - BKK
2 stops29h 45mDelta
Mon 5/189:40 pmBKK - MDW
2 stops26h 50mDelta
Deal found 10/21$835

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 October 23, 2025.

Round-trip from

$704
(FlightHub)

One-way from

$396
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$843
From Illinois to Pattaya
Search Deals
One-way flight from Illinois to Pattaya
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 October 23, 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

Wed 1/14

11:25 am-12:55 am

1 stop24h 30m

Bangkok Suvarnabhumi

Wed 2/25

2:05 am-8:40 am

1 stop19h 35m

$824

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 1/13

11:25 am-12:55 am

1 stop24h 30m

Bangkok Suvarnabhumi

Tue 5/19

9:40 pm-9:40 am

1 stop24h 00m

$824

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 1/19

11:25 am-12:55 am

1 stop24h 30m

Bangkok Suvarnabhumi

Wed 2/25

12:55 am-8:40 am

1 stop20h 45m

$824

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

9:40 am-8:30 am

1 stop35h 50m

$824

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 1/6

7:30 am-12:45 am

2 stops28h 15m

Bangkok Suvarnabhumi

Wed 1/28

12:55 am-9:56 pm

2 stops34h 01m

$835

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 1/11

2:40 pm-11:25 am

2 stops31h 45m

Bangkok Suvarnabhumi

Thu 2/26

4:55 pm-6:21 am

2 stops26h 26m

$872

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 11/23

11:15 am-12:55 am

1 stop24h 40m

Bangkok Suvarnabhumi

Mon 2/16

9:30 pm-8:40 am

1 stop24h 10m

$874

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Fri 1/16

11:25 am-12:45 am

1 stop24h 20m

Bangkok Suvarnabhumi

Tue 2/10

12:55 am-8:40 am

1 stop20h 45m

$874

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 11/9

11:15 am-12:45 am

1 stop24h 30m

Bangkok Suvarnabhumi

Mon 12/1

2:05 am-8:30 am

1 stop19h 25m

$874

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 11/17

5:23 am-12:45 am

2 stops30h 22m

Bangkok Suvarnabhumi

Mon 4/20

9:50 am-9:40 am

1 stop35h 50m

$875

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 57 results
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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, August is the cheapest month in which you can book a flight from Illinois to Pattaya (average of $644). Flying from Illinois to Pattaya in June is currently the most expensive (average of $930). 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 October 23, 2025.

It’s typically best to fly out from Illinois to Pattaya in the morning. Doing so could potentially save you 19% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Illinois to Pattaya?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Pattaya. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Pattaya flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 24h 30m. There are 8545 mi between Illinois and Pattaya. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Pattaya one-way?

    One-way options have recently been found by users for as low as $450 on Turkish Airlines. Other airlines that offer cheap prices include Cathay Pacific from $452 and Korean Air from $483 one-way.

  • 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, August is the cheapest month in which you can book a flight from Illinois to Pattaya (average of $644). Flying from Illinois to Pattaya in June is currently the most expensive (average of $930). 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

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Alternative routes for Illinois to Pattaya

See prices for flight routes from nearby airports that may be better suited for you.
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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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$626Average$893FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$677Average$872FlexibilityNo cancel feeOn-time72%
ANACheapest$681Average$875FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$698Average$877FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$708Average$889FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$710Average$1,639FlexibilityNo cancel feeOn-time71%
IndiGoCheapest$735Average$1,260FlexibilityNo cancel feeOn-time80%
DeltaCheapest$745Average$1,160FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$751Average$1,009FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$820Average$1,141FlexibilityNo cancel feeOn-time75%

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