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$324+ Cheap flights from Las Vegas (LAS) to Bangkok

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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — BKK
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Bangkok are usually found in August or September, booked 54 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from Las Vegas to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Bangkok (TH1). 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 September 15, 2025.

Round-trip from

$702
(Korean Air)

One-way from

$324
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$833
From Las Vegas Harry Reid Intl to Bangkok
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One-way flight from Las Vegas Harry Reid Intl to Bangkok
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Highest demand for flights based on searches. 8% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Las Vegas to Bangkok

Cheapest flights from Las Vegas to Bangkok
Explore the most affordable flight options available from Las Vegas to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:15 amLAS - BKK
2 stops27h 55mMultiple Airlines
Tue 11/41:30 amBKK - LAS
3 stops35h 01mMultiple Airlines
Deal found 9/13$701
This Korean Air deal was found by Cheapflights users on 9/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:50 pmLAS - BKK
1 stop34h 30mKorean Air
Tue 11/1812:55 amBKK - LAS
1 stop29h 15mKorean Air
Deal found 9/14$704
This Korean Air deal was found by Cheapflights users on 9/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:00 amLAS - BKK
2 stops29h 05mKorean Air
Mon 10/69:40 pmBKK - LAS
1 stop32h 40mKorean Air
Deal found 9/14$705
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:20 amLAS - BKK
2 stops28h 45mDelta
Mon 10/69:50 amBKK - LAS
2 stops26h 40mDelta
Deal found 9/14$706
This Korean Air deal was found by Cheapflights users on 9/13. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amLAS - BKK
2 stops26h 20mKorean Air
Tue 11/2512:55 amBKK - LAS
1 stop29h 15mKorean Air
Deal found 9/13$707
This Korean Air deal was found by Cheapflights users on 9/15. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:20 amLAS - BKK
2 stops28h 45mKorean Air
Wed 10/1511:30 pmBKK - LAS
1 stop30h 50mKorean Air
Deal found 9/15$709
This Korean Air deal was found by Cheapflights users on 9/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:50 pmLAS - BKK
1 stop35h 15mKorean Air
Sun 10/511:30 pmBKK - LAS
2 stops30h 47mKorean Air
Deal found 9/14$710
This Korean Air deal was found by Cheapflights users on 9/13. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:00 amLAS - BKK
2 stops29h 05mKorean Air
Wed 10/12:35 amBKK - LAS
2 stops31h 53mKorean Air
Deal found 9/13$711
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 9/176:20 amLAS - BKK
2 stops28h 45mDelta
Mon 9/222:35 amBKK - LAS
2 stops29h 45mDelta
Deal found 9/15$715
This Korean Air deal was found by Cheapflights users on 9/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:00 amLAS - BKK
2 stops25h 30mKorean Air
Sun 11/2311:15 pmBKK - LAS
2 stops32h 00mKorean Air
Deal found 9/14$720
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:36 amLAS - DMK
2 stops27h 04mMultiple Airlines
Tue 10/72:00 amDMK - LAS
3 stops46h 41mMultiple Airlines
Deal found 9/13$1,249
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:25 amLAS - DMK
2 stops24h 50mMultiple Airlines
Wed 9/248:10 amDMK - LAS
3 stops37h 30mMultiple Airlines
Deal found 9/13$1,258

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to Bangkok 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 September 15, 2025.
Use the filters below to find and compare flights from Las Vegas to Bangkok that are best for you.

Fly from

Las Vegas

Fly to

Bangkok

Route

Depart

Return

Price

Las VegasBangkok

LAS - BKK

LASBKK

Las Vegas Harry Reid Intl

Tue 1/27

10:50 pm-12:45 am

1 stop34h 55m

Bangkok Suvarnabhumi

Wed 4/15

11:30 pm-4:20 pm

1 stop30h 50m

$702

Las VegasBangkok

LAS - BKK

LASBKK

Las Vegas Harry Reid Intl

Mon 11/10

10:50 pm-1:25 pm

1 stop23h 35m

Bangkok Suvarnabhumi

Mon 11/17

12:55 am-3:10 pm

1 stop29h 15m

$704

Las VegasBangkok

LAS - BKK

LASBKK

Las Vegas Harry Reid Intl

Wed 1/28

6:00 am-9:30 pm

2 stops24h 30m

Bangkok Suvarnabhumi

Thu 4/23

9:50 am-4:20 pm

1 stop20h 30m

$707

Las VegasBangkok

LAS - BKK

LASBKK

Las Vegas Harry Reid Intl

Mon 11/10

6:00 am-9:30 pm

2 stops24h 30m

Bangkok Suvarnabhumi

Sun 11/16

12:55 am-3:10 pm

1 stop29h 15m

$709

Las VegasBangkok

LAS - BKK

LASBKK

Las Vegas Harry Reid Intl

Tue 10/28

6:00 am-9:30 pm

2 stops25h 30m

Bangkok Suvarnabhumi

Wed 11/19

12:55 am-3:10 pm

1 stop29h 15m

$709

Las VegasBangkok

LAS - BKK

LASBKK

Las Vegas Harry Reid Intl

Tue 1/20

10:50 pm-12:45 am

1 stop34h 55m

Bangkok Suvarnabhumi

Mon 3/9

12:55 am-10:46 pm

2 stops35h 51m

$713

Las VegasBangkok

LAS - BKK

LASBKK

Las Vegas Harry Reid Intl

Tue 2/3

10:50 pm-11:20 pm

1 stop33h 30m

Bangkok Suvarnabhumi

Tue 3/3

11:15 pm-2:38 pm

2 stops30h 23m

$713

Las VegasBangkok

LAS - BKK

LASBKK

Las Vegas Harry Reid Intl

Mon 1/19

10:50 pm-12:45 am

1 stop34h 55m

Bangkok Suvarnabhumi

Sun 3/1

12:55 am-2:38 pm

2 stops28h 43m

$713

Las VegasBangkok

LAS - BKK

LASBKK

Las Vegas Harry Reid Intl

Mon 2/2

10:50 pm-11:20 pm

1 stop33h 30m

Bangkok Suvarnabhumi

Sun 2/15

12:55 am-2:38 pm

2 stops28h 43m

$713

Las VegasBangkok

LAS - BKK

LASBKK

Las Vegas Harry Reid Intl

Thu 2/5

6:00 am-9:30 pm

2 stops24h 30m

Bangkok Suvarnabhumi

Tue 2/17

12:55 am-5:45 pm

2 stops31h 50m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 33 results
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Best time to book a flight from Las Vegas to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok from Las Vegas 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 Las Vegas to Bangkok

How far ahead should I book a flight from Las Vegas to Bangkok?

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Bangkok. Price data was last updated on September 12, 2025.

The best time to book flights from Las Vegas to Bangkok is 54 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 Las Vegas to Bangkok?

Currently, September is the cheapest month in which you can book a flight from Las Vegas to Bangkok (average of $900). Flying from Las Vegas to Bangkok in December is currently the most expensive (average of $1,507). 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 LAS to BKK?

Find hourly flight availability from Las Vegas to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from Las Vegas to Bangkok by exploring options for tickets in the morning.

Reviews of airlines servicing Bangkok

Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated September 15, 2025.
Peruse reviews from past customers who have flown with Korean Air, ANA, and Cathay Pacific from Las Vegas to Bangkok to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Korean Air
8.4
Very good
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
ANA
8.4
Very good
961 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Cathay Pacific
7.6
Good
993 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
United Airlines
7.4
Good
8,929 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Air Canada
7.1
Good
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Bangkok. 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 from for flights from Las Vegas to Bangkok?

    Most people fly from Las Vegas Harry Reid Intl (LAS) if they book a flight from Las Vegas to Bangkok. On average, Harry Reid Intl has 0 outbound flights to Bangkok per day from 14 airlines. Las Vegas Harry Reid Intl is conveniently located just 6.2 mi from Las Vegas’s city center.

  • How long is the flight from Las Vegas to Bangkok?

    Airlines like Korean Air fly from Las Vegas to Bangkok in about 34h 55m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 8270 mi.

  • What are the cheapest airlines flying from Las Vegas to Bangkok round-trip?

    Singapore Airlines, at $702, was found to be the cheapest airline from Las Vegas to Bangkok.Alternate airlines to your destination round-trip include Korean Air and United Airlines. You may be able to fly from Las Vegas to Bangkok for 37% less than the average price by searching for these airlines.

  • Where are the most common layover locations when flying from Las Vegas to Bangkok?

    Las Vegas to Bangkok flights have a layover in Seoul most of the time. Los Angeles sees the next most layovers on Las Vegas to Bangkok flights. Los Angeles is followed by Tokyo in terms of the most popular layover location for Las Vegas to Bangkok flights.

  • What are some popular things to do or see while on a layover in Seoul?

    Seoul travelers tend to visit Dongdaemun Market, Lotte World, and Bukchon Hanok Village more than anywhere else. Dongdaemun Market, Lotte World and Bukchon Hanok Village are located about 31.6 mi, 35.7 mi, and 30.6 mi, respectively from Incheon Intl if you are interested in checking them out. Travelers can book a car rental at Incheon Intl for about $62 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Los Angeles?

    If you're on a layover in Los Angeles and looking for things to do, consider visiting Hollywood Bowl, Hollywood Walk of Fame, or The Wiltern. Hollywood Bowl, Hollywood Walk of Fame, and The Wiltern can be accessed by traveling approximately 12.5 mi, 11.7 mi, and 10.0 mi, respectively from Los Angeles. Travelers can book a car rental at Los Angeles for about $41 per day to make their sightseeing more efficient.

  • What are points of interest worth seeing during a layover in Tokyo?

    Akihabara Electric Town, Tsukiji Outer Market, and Tokyo Tower are the most popular attractions in Tokyo if you're in need of something to do during your layover. Akihabara Electric Town, Tsukiji Outer Market and Tokyo Tower are located about 34.6 mi, 35.3 mi, and 36.7 mi, respectively from Tokyo Narita if you are interested in checking them out. Those on a layover in Tokyo in need of a rental car can book one at Tokyo Narita for about $50.

  • Where are the least popular layover locations for Las Vegas to Bangkok flights?

    Flights departing from Las Vegas and landing in Bangkok layover in Hong Kong least frequently. Seattle sees the second fewest layovers for non-direct flights flying from Las Vegas to Bangkok. San Francisco follows Seattle in terms of the least frequent layover locations on Las Vegas to Bangkok flights.

  • Can I find deals for flights from Las Vegas to Bangkok that include hotel bookings?

    Yes. In addition to deals on Las Vegas to Bangkok flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to Bangkok?

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

  • Can I find deals for business class flights from Las Vegas to Bangkok?

    Yes. Cheapflights offers flight deals from Las Vegas to Bangkok 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 Las Vegas to Bangkok?

    Currently, September is the cheapest month in which you can book a flight from Las Vegas to Bangkok (average of $900). Flying from Las Vegas to Bangkok in December is currently the most expensive (average of $1,507). 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 Las Vegas to Bangkok

See prices for flight routes from nearby airports that may be better suited for you.
Las Vegas to Suvarnabhumi flights
Reno to Suvarnabhumi flights
Las Vegas to Phuket City flights
Las Vegas to Chiang Mai flights
Las Vegas to Don Mueang Intl flights
Las Vegas to Ko Samui flights

Top 10 airlines flying from Las Vegas to Bangkok

Discover the top 10 airlines that operate flights from Las Vegas to Bangkok. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$702Average$993FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$707Average$996FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$726Average$848FlexibilityNo cancel feeOn-time69%
China EasternCheapest$737Average$839FlexibilityNo cancel feeOn-time62%
DeltaCheapest$762Average$1,332FlexibilityNo cancel feeOn-timeN/A
ANACheapest$764Average$915FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$795Average$1,031FlexibilityNo cancel feeOn-time79%
China AirlinesCheapest$841Average$1,112FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$844Average$1,044FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$889Average$1,115FlexibilityNo cancel feeOn-time72%

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