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$481+ Cheap flights from Illinois to 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Illinois to Thailand

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Thailand (TH0). 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 December 22, 2024.

Round-trip from

$837
(United Airlines)

One-way from

$481
(Kiwi.com)
From Illinois to Thailand
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One-way flight from Illinois to Thailand
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Find flight deals from Illinois to Thailand

Cheapest flights from Illinois to Thailand
Explore the most affordable flight options available from Illinois to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This oojo deal was found by Cheapflights users on 12/21. 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.
Tue 12/312:40 pmORD - BKK
1 stop31h 35mCathay Pacific
Mon 3/37:15 pmBKK - ORD
1 stop30h 45mCathay Pacific
Deal found 12/21$1,021
This oojo deal was found by Cheapflights users on 12/21. 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.
Tue 12/312:40 pmORD - DMK
1 stop30h 05mCathay Pacific
Wed 2/126:30 pmDMK - ORD
1 stop31h 30mCathay Pacific
Deal found 12/21$1,201
This FlightHub deal was found by Cheapflights users on 12/21. 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.
Mon 12/3011:30 pmORD - BKK
1 stop35h 10mEVA Air
Wed 2/1211:30 amBKK - ORD
1 stop21h 05mEVA Air
Deal found 12/21$1,250
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:40 pmORD - BKK
1 stop31h 00mMultiple Airlines
Sun 5/41:30 pmBKK - ORD
2 stops35h 49mMultiple Airlines
Deal found 12/20$1,289
This Cathay Pacific deal was found by Cheapflights users on 12/20. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/292:40 pmORD - HKT
1 stop31h 40mCathay Pacific
Sun 1/2612:20 pmHKT - ORD
1 stop37h 40mCathay Pacific
Deal found 12/20$1,312
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:40 pmORD - DMK
1 stop30h 05mMultiple Airlines
Wed 1/292:40 amDMK - ORD
2 stops33h 33mMultiple Airlines
Deal found 12/21$1,337
This FlightHub deal was found by Cheapflights users on 12/21. 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 12/3111:55 amORD - BKK
1 stop27h 45mTurkish Airlines
Sun 2/210:00 amBKK - ORD
1 stop37h 10mTurkish Airlines
Deal found 12/21$1,392
This oojo deal was found by Cheapflights users on 12/21. 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 12/3012:45 pmORD - BKK
3 stops36h 45mChina Southern
Mon 3/311:25 amBKK - ORD
3 stops31h 17mChina Southern
Deal found 12/21$1,401
This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 12/306:00 amORD - BKK
2 stops28h 20mDelta
Wed 2/129:30 pmBKK - ORD
2 stops31h 15mDelta
Deal found 12/21$1,420
This Delta deal was found by Cheapflights users on 12/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:25 pmMDW - BKK
2 stops39h 55mDelta
Wed 1/291:00 amBKK - MDW
2 stops23h 59mDelta
Deal found 12/22$1,425
This Air Canada deal was found by Cheapflights users on 12/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/303:40 pmORD - BKK
1 stop25h 35mAir Canada
Wed 1/292:00 pmBKK - ORD
2 stops37h 39mAir Canada
Deal found 12/21$1,465
This EVA Air deal was found by Cheapflights users on 12/20. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3011:30 pmORD - HKT
2 stops30h 30mMultiple Airlines
Sun 1/269:50 pmHKT - ORD
2 stops34h 45mMultiple Airlines
Deal found 12/20$1,469

Find flights from Illinois to Thailand within your budget

Customize your flight search to find flights from Illinois to Thailand 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 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 3/10

5:00 am-12:05 am

2 stops31h 05m

Bangkok Suvarnabhumi

Tue 6/3

9:35 am-11:35 pm

2 stops26h 00m

$837

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 2/18

4:25 pm-6:35 am

1 stop25h 10m

Bangkok Suvarnabhumi

Mon 3/10

3:00 pm-5:11 am

2 stops26h 11m

$839

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Mon 2/17

2:40 pm-5:35 pm

1 stop37h 55m

Phuket City

Mon 3/10

6:35 pm-2:00 pm

1 stop31h 25m

$841

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 3/10

12:00 pm-9:30 pm

1 stop21h 30m

Bangkok Suvarnabhumi

Sat 5/31

8:40 am-7:25 am

1 stop34h 45m

$842

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Tue 3/4

11:00 am-4:50 pm

1 stop40h 50m

Phuket City

Tue 3/11

5:50 pm-7:30 am

1 stop25h 40m

$843

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 2/17

2:40 pm-11:15 am

1 stop31h 35m

Bangkok Suvarnabhumi

Mon 2/24

3:05 pm-1:00 pm

1 stop34h 55m

$847

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 2/18

8:30 pm-3:10 pm

1 stop29h 40m

Bangkok Suvarnabhumi

Tue 4/1

6:45 am-9:50 am

1 stop39h 05m

$856

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 3/10

12:25 pm-12:45 am

1 stop24h 20m

Bangkok Suvarnabhumi

Tue 6/3

9:40 pm-9:50 am

1 stop24h 10m

$863

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 2/17

4:25 pm-5:10 am

1 stop23h 45m

Bangkok Suvarnabhumi

Sun 2/23

3:20 am-2:32 pm

2 stops24h 12m

$870

ChicagoBangkok

ORD - DMK

ORDDMK

Chicago O'Hare Intl

Mon 2/17

2:40 pm-9:45 am

1 stop30h 05m

Bangkok Don Mueang Intl

Wed 3/12

6:30 pm-2:00 pm

1 stop31h 30m

$876

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Thailand

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

Travel insights for flights from Illinois to Thailand

Get recent, data-driven insights about flights from Illinois to Thailand including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Thailand (average of $996). Flying from Illinois to Thailand in June is currently the most expensive (average of $1,585). 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 TH?

Find hourly flight availability from Illinois to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

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

Rainfall in Thailand by month

Plan your trip to Thailand by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Thailand ranges from 0.4 - 12.6 inches per month. September is typically the wettest month, when rainfall can reach 12.6 in. January is typically the driest time to visit Thailand when rainfall is around 0.4 in.

Temperature in Thailand by month

Plan your trip to Thailand by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Thailand, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated December 22, 2024.
Read reviews from past customers who have flown ANA, EVA Air and Delta from Illinois to Thailand. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,265 reviews

Overall

8.4

Food

8.0

Crew

8.6

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very good
1,265 reviews
EVA Air
8.4
Very good
1,265 reviews

Overall

8.4

Food

8.0

Crew

8.6

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Korean Air
8.4
Very good
1,025 reviews
EVA Air
8.4
Very good
1,265 reviews

Overall

8.4

Food

8.0

Crew

8.6

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

ANA
8.4
Very good
844 reviews
EVA Air
8.4
Very good
1,265 reviews

Overall

8.4

Food

8.0

Crew

8.6

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,265 reviews

Overall

8.4

Food

8.0

Crew

8.6

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Asiana Airlines
8.3
Very good
474 reviews
EVA Air
8.4
Very good
1,265 reviews

Overall

8.4

Food

8.0

Crew

8.6

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Related info for your journey

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

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

    The cheapest airline one-way is Air India, with whom users have recently found tickets for as low as $507. However, be on the lookout for offers from Turkish Airlines and Cathay Pacific, as they are both options that can get you from Illinois to Thailand for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Thailand 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 Thailand?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Thailand (average of $996). Flying from Illinois to Thailand in June is currently the most expensive (average of $1,585). 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 Thailand

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 Thailand

Discover the top 10 airlines that operate flights from Illinois to Thailand. 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 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest$503Average$1,374FlexibilityNo cancel feeOn-time75%
Air IndiaCheapest$795Average$983FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$795Average$1,036FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$811Average$1,073FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$820Average$1,342FlexibilityNo cancel feeOn-time75%
ANACheapest$851Average$1,187FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$859Average$1,170FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$880Average$1,027FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$892Average$983FlexibilityNo cancel feeOn-time79%
EVA AirCheapest$929Average$1,219FlexibilityNo cancel feeOn-time74%
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