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$1,370+ Cheap flights from Chicago (CHI) to Rayong (UTP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — UTP
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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Find flight deals from Chicago to Rayong

Cheapest flights from Chicago to Rayong
Explore the most affordable flight options available from Chicago to Rayong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.

This Priceline deal was found by Cheapflights users on 10/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/161:10 pmORD - UTP
2 stops62h 40mEtihad Airways
Sun 11/231:00 pmUTP - ORD
2 stops55h 35mEtihad Airways
Deal found 10/17$1,485
This Etihad Airways deal was found by Cheapflights users on 10/18. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:10 pmORD - UTP
2 stops38h 40mEtihad Airways
Fri 11/211:00 pmUTP - ORD
2 stops55h 35mEtihad Airways
Deal found 10/18$1,860
This Mytrip deal was found by Cheapflights users on 10/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/161:10 pmORD - UTP
3 stops38h 40mMultiple Airlines
Sun 11/232:15 pmUTP - ORD
3 stops34h 15mMultiple Airlines
Deal found 10/17$1,883
This business-class.com deal was found by Cheapflights users on 10/18. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/191:55 pmORD - UTP
3 stops38h 55mEtihad Airways
Sat 10/251:00 pmUTP - ORD
2 stops31h 35mEtihad Airways
Deal found 10/18$9,180
This Justfly.com deal was found by Cheapflights users on 10/18. 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.
Sun 10/197:40 pmORD - UTP
2 stops33h 10mMultiple Airlines
Sat 10/251:00 pmUTP - ORD
2 stops62h 30mMultiple Airlines
Deal found 10/18$9,887

Cheap flight deals from Chicago to Rayong

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Rayong (UTP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 20, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,251
(Gurufare)

Popular in

June

Cheapest in

September

Average price

$843
Provider with most accurate pricing for Chicago (CHI)-Utapao Rayong Pattaya flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Utapao Rayong Pattaya flights.
Search Deals
From Chicago (CHI) to Utapao Rayong 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
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Rayong 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 20, 2025.
Use the filters below to find and compare flights from Chicago to Rayong that are best for you.

Fly from

Chicago

Fly to

Rayong

Route

Depart

Return

Price

ChicagoRayong

ORD - UTP

ORDUTP

Chicago O'Hare Intl

Fri 4/17

2:00 pm-4:50 pm

3 stops38h 50m

Utapao Rayong Pattaya

Sat 4/25

1:00 pm-8:45 am

3 stops31h 45m

$1,370

ChicagoRayong

ORD - UTP

ORDUTP

Chicago O'Hare Intl

Thu 3/5

1:10 pm-4:50 pm

2 stops38h 40m

Utapao Rayong Pattaya

Sat 3/14

1:00 pm-8:35 am

2 stops55h 35m

$1,382

ChicagoRayong

ORD - UTP

ORDUTP

Chicago O'Hare Intl

Sun 11/16

1:10 pm-4:50 pm

2 stops62h 40m

Utapao Rayong Pattaya

Sun 11/23

1:00 pm-7:35 am

2 stops55h 35m

$1,485

ChicagoRayong

ORD - UTP

ORDUTP

Chicago O'Hare Intl

Thu 3/5

1:10 pm-4:50 pm

3 stops38h 40m

Utapao Rayong Pattaya

Sat 3/14

5:25 pm-2:41 pm

3 stops33h 16m

$1,604

ChicagoRayong

ORD - UTP

ORDUTP

Chicago O'Hare Intl

Mon 11/17

1:10 pm-4:50 pm

2 stops38h 40m

Utapao Rayong Pattaya

Fri 11/21

1:00 pm-7:35 am

2 stops55h 35m

$1,860

ChicagoRayong

ORD - UTP

ORDUTP

Chicago O'Hare Intl

Sun 11/16

1:10 pm-4:50 pm

3 stops38h 40m

Utapao Rayong Pattaya

Sun 11/23

2:15 pm-11:30 am

3 stops34h 15m

$1,883

ChicagoRayong

ORD - UTP

ORDUTP

Chicago O'Hare Intl

Thu 4/16

12:30 am-4:50 pm

3 stops28h 20m

Utapao Rayong Pattaya

Sat 4/25

1:00 pm-3:05 pm

2 stops38h 05m

$2,001

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Compare providers for flights from Chicago to Rayong

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Rayong in October.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Rayong flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Rayong flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago-Rayong flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Rayong flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Rayong flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Rayong

Have a flexible travel schedule? Discover the best time to fly to Rayong 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 Rayong

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

Currently, August is the cheapest month in which you can book a flight from Chicago to Rayong (average of $644). Flying from Chicago to Rayong 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.

Related info for your journey

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

  • What airport do you fly into for flights to Rayong from Chicago?

    Most people fly into Utapao Rayong Pattaya (UTP) if they book a flight to Rayong from Chicago. On average, Utapao Rayong Pattaya has 0 inbound flights from Chicago per day from 0 airlines. Utapao Rayong Pattaya is conveniently located just 17.0 mi from Rayong’s city center.

  • How long is the flight from Chicago to Rayong?

    There are many flights that can get you from Chicago to Rayong in 38h 50m. Fly via Etihad Airways to get the fastest option. There are 8612 mi between Chicago and Rayong.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Chicago to Rayong (average of $644). Flying from Chicago to Rayong 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.

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