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Pattaya

$424+ Cheap flights from Chicago (CHI) 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BKK
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Pattaya are usually found in September or October, booked 68 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Chicago to Pattaya

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

This Ovago deal was found by Cheapflights users on 12/14. 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 12/312:35 pmORD - BKK
1 stop38h 40mCathay Pacific
Wed 1/2811:40 amBKK - ORD
1 stop38h 15mCathay Pacific
Deal found 12/14$929
This oojo deal was found by Cheapflights users on 12/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:30 pmORD - BKK
1 stop29h 20mAir India
Sun 1/258:50 amBKK - ORD
2 stops39h 40mAir India
Deal found 12/13$1,017
This Ovago deal was found by Cheapflights users on 12/13. 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.
Sun 12/282:35 pmORD - BKK
1 stop32h 30mCathay Pacific
Wed 2/257:15 pmBKK - ORD
1 stop30h 40mCathay Pacific
Deal found 12/13$1,051
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 12/3112:45 pmORD - BKK
3 stops33h 40mUnited Airlines
Wed 1/284:55 pmBKK - ORD
2 stops26h 35mUnited Airlines
Deal found 12/14$1,086
This Justfly.com deal was found by Cheapflights users on 12/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:30 pmORD - BKK
1 stop29h 20mAir India
Tue 3/245:55 pmBKK - ORD
2 stops30h 35mAir India
Deal found 12/15$1,116
This FlightHub deal was found by Cheapflights users on 12/15. 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.
Wed 12/241:30 pmORD - BKK
1 stop29h 20mAir India
Thu 3/265:55 pmBKK - ORD
2 stops30h 35mAir India
Deal found 12/15$1,118
This Ovago deal was found by Cheapflights users on 12/15. 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.
Sun 12/282:35 pmORD - BKK
1 stop38h 40mCathay Pacific
Sun 1/253:05 pmBKK - ORD
1 stop34h 50mCathay Pacific
Deal found 12/15$1,119
This Ovago deal was found by Cheapflights users on 12/15. 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.
Sat 12/272:35 pmORD - BKK
1 stop31h 05mCathay Pacific
Tue 3/244:55 pmBKK - ORD
1 stop33h 00mCathay Pacific
Deal found 12/15$1,138
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Mon 12/152:39 pmORD - BKK
3 stops31h 46mUnited Airlines
Sun 1/44:55 pmBKK - ORD
3 stops30h 13mUnited Airlines
Deal found 12/13$1,139
This KAYAK deal was found by Cheapflights users on 12/15. 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 12/241:30 pmORD - BKK
1 stop29h 20mAir India
Sun 3/223:10 pmBKK - ORD
2 stops33h 20mAir India
Deal found 12/15$1,140
This Ovago deal was found by Cheapflights users on 12/14. 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.
Sat 12/272:35 pmORD - BKK
1 stop37h 05mCathay Pacific
Sat 1/315:40 pmBKK - ORD
1 stop32h 15mCathay Pacific
Deal found 12/14$1,165
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:08 pmMDW - BKK
2 stops41h 37mDelta
Wed 12/3112:55 amBKK - MDW
2 stops45h 10mDelta
Deal found 12/15$1,629

Find flight deals from Chicago to Pattaya

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

Round-trip from

$821
(United Airlines)

One-way from

$424
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$1,341
From Chicago (CHI) to Pattaya
Search Deals
One-way flight from Chicago (CHI) to Pattaya
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($203 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 December 15, 2025.
Use the filters below to find and compare flights from Chicago to Pattaya that are best for you.

Fly from

Chicago

Fly to

Pattaya

Route

Depart

Return

Price

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 2/16

4:25 pm-5:10 am

1 stop23h 45m

Bangkok Suvarnabhumi

Thu 3/12

4:55 pm-6:19 am

2 stops25h 24m

$826

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 2/18

1:30 pm-8:20 pm

1 stop41h 50m

Bangkok Suvarnabhumi

Thu 3/26

8:50 am-12:30 pm

1 stop39h 40m

$830

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 3/9

2:45 pm-11:25 am

3 stops32h 40m

Bangkok Suvarnabhumi

Wed 3/18

4:55 pm-5:12 am

2 stops24h 17m

$835

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 1/26

4:25 pm-12:20 am

1 stop42h 55m

Bangkok Suvarnabhumi

Mon 2/23

4:55 pm-3:10 pm

2 stops35h 15m

$848

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 2/17

6:25 am-12:20 am

2 stops28h 55m

Bangkok Suvarnabhumi

Thu 3/12

4:55 pm-6:19 am

2 stops25h 24m

$857

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 3/10

2:45 pm-11:25 am

3 stops32h 40m

Bangkok Suvarnabhumi

Wed 4/29

3:40 pm-7:07 am

2 stops27h 27m

$880

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 1/25

9:05 pm-11:25 am

2 stops49h 20m

Bangkok Suvarnabhumi

Sun 2/15

4:55 pm-6:20 am

2 stops26h 25m

$880

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 1/27

10:30 am-12:20 am

1 stop24h 50m

Bangkok Suvarnabhumi

Wed 5/27

7:00 am-6:54 pm

2 stops23h 54m

$885

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 1/29

6:50 am-12:45 am

2 stops28h 55m

Bangkok Suvarnabhumi

Wed 2/25

9:40 am-11:52 pm

2 stops27h 12m

$906

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 2/5

7:30 am-12:55 am

2 stops28h 25m

Bangkok Suvarnabhumi

Tue 2/10

9:40 am-9:52 pm

2 stops25h 12m

$906

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 40 results
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Best time to book a flight from Chicago to Pattaya

Have a flexible travel schedule? Discover the best time to fly to Pattaya from Chicago 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 Chicago to Pattaya

How far ahead should I book a flight from Chicago to Pattaya?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Pattaya. Price data was last updated on December 12, 2025.

The best time to book flights from Chicago to Pattaya is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Chicago to Pattaya (average of $642). Flying from Chicago to Pattaya in June is currently the most expensive (average of $918). 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 CHI to P4T?

Find hourly flight availability from Chicago 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 December 15, 2025.

It’s optimal to fly from Chicago to Pattaya in the afternoon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the evening.

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

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

Travelers seeking maximum savings on their Chicago 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.

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

Reviews of airlines servicing Pattaya

Get insights into the airlines that provide service to Pattaya. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pattaya. Reviews last updated December 15, 2025.
Read through reviews of airlines operating flights from Chicago to Pattaya, such as EVA Air, ANA, and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very good
1,297 reviews

Crew

8.6

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very good
1,297 reviews
EVA Air
8.5
Very good
1,297 reviews

Crew

8.6

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
ANA
8.4
Very good
1,023 reviews
EVA Air
8.5
Very good
1,297 reviews

Crew

8.6

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Korean Air
8.4
Very good
1,186 reviews
EVA Air
8.5
Very good
1,297 reviews

Crew

8.6

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Cathay Pacific
7.6
Good
1,095 reviews
EVA Air
8.5
Very good
1,297 reviews

Crew

8.6

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
United Airlines
7.4
Good
9,092 reviews
EVA Air
8.5
Very good
1,297 reviews

Crew

8.6

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago to Pattaya?

    A quick flight from Chicago to Pattaya can take about 23h 45m. United Airlines provides one of the quickest options available for as low as $826. Chicago and Pattaya are separated by a distance of 8545 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for Air India. According to our data, you can fly for as low as $308. Users have also found prices from $345 and $361 on Turkish Airlines and Cathay Pacific, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago 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 Chicago to Pattaya?

    Currently, August is the cheapest month in which you can book a flight from Chicago to Pattaya (average of $642). Flying from Chicago to Pattaya in June is currently the most expensive (average of $918). 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.

Top 10 airlines flying from Chicago to Pattaya

Discover the top 10 airlines that operate flights from Chicago 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$625Average$889FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$670Average$877FlexibilityNo cancel feeOn-time72%
ANACheapest$681Average$865FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$698Average$868FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$707Average$889FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$716Average$989FlexibilityNo cancel feeOn-time77%
DeltaCheapest$745Average$1,094FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$779Average$1,063FlexibilityNo cancel feeOn-time71%
Etihad AirwaysCheapest$800Average$1,135FlexibilityNo cancel feeOn-time75%
Japan AirlinesCheapest$825Average$979FlexibilityNo cancel feeOn-time79%

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