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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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
Dec 15 — Dec 221
Mon 12/15
Mon 12/22
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 November 15, 2025.

This CrystalTravel deal was found by Cheapflights users on 11/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:35 pmORD - BKK
1 stop20h 40mCathay Pacific
Thu 12/257:55 amBKK - ORD
1 stop18h 00mCathay Pacific
Deal found 11/14$780
This FlightHub deal was found by Cheapflights users on 11/14. 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.
Wed 11/264:25 pmORD - BKK
1 stop25h 05mANA
Wed 12/1010:25 pmBKK - ORD
1 stop21h 55mANA
Deal found 11/14$806
This FlightHub deal was found by Cheapflights users on 11/15. 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 11/174:25 pmORD - BKK
1 stop25h 05mANA
Tue 12/237:10 amBKK - ORD
1 stop19h 40mANA
Deal found 11/15$809
This CrystalTravel deal was found by Cheapflights users on 11/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/284:25 pmORD - BKK
1 stop23h 45mANA
Sun 12/1410:25 pmBKK - ORD
1 stop28h 25mANA
Deal found 11/14$815
This Booking.com deal was found by Cheapflights users on 11/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/254:25 pmORD - BKK
1 stop25h 05mANA
Tue 2/102:25 pmBKK - ORD
1 stop29h 55mANA
Deal found 11/13$816
This eDestinos deal was found by Cheapflights users on 11/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:35 pmORD - BKK
1 stop34h 30mCathay Pacific
Sun 12/71:05 pmBKK - ORD
1 stop36h 50mCathay Pacific
Deal found 11/14$819
This United Airlines deal was found by Cheapflights users on 11/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:10 pmORD - BKK
1 stop28h 20mMultiple Airlines
Tue 2/104:55 pmBKK - ORD
2 stops26h 35mMultiple Airlines
Deal found 11/13$826
This CheapOair deal was found by Cheapflights users on 11/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/274:25 pmORD - BKK
1 stop23h 45mANA
Tue 12/92:20 pmBKK - ORD
1 stop30h 00mANA
Deal found 11/15$828
This United Airlines deal was found by Cheapflights users on 11/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:10 amORD - BKK
2 stops39h 15mUnited Airlines
Thu 12/44:55 pmBKK - ORD
2 stops32h 15mUnited Airlines
Deal found 11/14$830
This United Airlines deal was found by Cheapflights users on 11/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/168:14 pmORD - BKK
2 stops50h 11mUnited Airlines
Mon 11/244:55 pmBKK - ORD
3 stops39h 45mUnited Airlines
Deal found 11/15$834
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:15 amORD - BKK
2 stops40h 10mUnited Airlines
Wed 12/104:55 pmBKK - ORD
3 stops30h 07mUnited Airlines
Deal found 11/12$835
This Ovago deal was found by Cheapflights users on 11/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:35 pmORD - BKK
1 stop34h 30mCathay Pacific
Tue 2/173:05 pmBKK - ORD
1 stop34h 50mCathay Pacific
Deal found 11/15$836

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 November 15, 2025.

Round-trip from

$765
(FlightHub)

One-way from

$396
(oojo)

Popular in

June

Cheapest in

September

Average price

$878
From Illinois to Pattaya
Search Deals
One-way flight from Illinois to Pattaya
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 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

Tue 3/3

10:30 am-12:20 am

1 stop24h 50m

Bangkok Suvarnabhumi

Tue 3/10

4:55 pm-5:18 am

2 stops24h 23m

$821

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 2/18

10:30 am-12:20 am

1 stop24h 50m

Bangkok Suvarnabhumi

Wed 3/18

4:55 pm-5:18 am

2 stops24h 23m

$821

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 2/18

6:25 am-12:20 am

2 stops28h 55m

Bangkok Suvarnabhumi

Thu 3/5

4:55 pm-5:18 am

2 stops25h 23m

$825

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 2/3

6:47 am-11:25 am

2 stops39h 38m

Bangkok Suvarnabhumi

Wed 2/25

4:55 pm-6:21 am

2 stops26h 26m

$830

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 1/14

6:47 am-11:25 am

2 stops39h 38m

Bangkok Suvarnabhumi

Thu 3/5

4:55 pm-5:18 am

2 stops25h 23m

$830

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 3/9

5:25 pm-5:10 am

1 stop23h 45m

Bangkok Suvarnabhumi

Wed 3/18

4:55 pm-6:21 am

2 stops25h 26m

$836

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 4/9

6:25 am-4:35 am

2 stops34h 10m

Bangkok Suvarnabhumi

Mon 4/20

3:40 pm-9:05 am

3 stops29h 25m

$836

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 2/25

4:25 pm-5:10 am

1 stop23h 45m

Bangkok Suvarnabhumi

Wed 3/25

4:55 pm-6:21 am

2 stops25h 26m

$841

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 2/24

4:25 pm-5:10 am

1 stop23h 45m

Bangkok Suvarnabhumi

Wed 3/11

4:55 pm-6:21 am

2 stops25h 26m

$841

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Mon 2/2

6:00 am-12:45 am

2 stops29h 45m

Bangkok Suvarnabhumi

Sat 2/14

12:55 am-12:48 pm

2 stops24h 53m

$957

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 60 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 $642). 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 November 15, 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 50m. 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 $396 on Air India. Other airlines that offer cheap prices include IndiGo from $452 and Delta from $561 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 $642). 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

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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 November 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$625Average$892FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$674Average$869FlexibilityNo cancel feeOn-time72%
ANACheapest$681Average$868FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$698Average$869FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$708Average$890FlexibilityNo cancel feeOn-time69%
IndiGoCheapest$735Average$1,260FlexibilityNo cancel feeOn-time80%
Turkish AirlinesCheapest$742Average$994FlexibilityNo cancel feeOn-time77%
DeltaCheapest$745Average$1,152FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$800Average$1,122FlexibilityNo cancel feeOn-time75%
Japan AirlinesCheapest$825Average$976FlexibilityNo cancel feeOn-time79%

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