$368 Cheap Flights from Las Vegas (LAS) to Bangkok (BKK)

View $368 flight on Mon, Sep 22, 2025Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Suvarnabhumi Intl. Airport (BKK)

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Cheap Flights from Las Vegas to Bangkok (LAS-BKK)

Prices were available within the past 7 days and start at $368 for one-way flights and $690 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Wed, Sep 3 - Wed, Sep 10
LAS
Las Vegas
BKK
Bangkok
$690 Roundtrip, just found
$690
Roundtrip
just found
Select Korean Air flight, departing Wed, Sep 3 from Las Vegas to Bangkok, returning Wed, Sep 10, priced at $690 just found
Delta
Thu, Nov 6 - Thu, Nov 13
LAS
Las Vegas
BKK
Bangkok
$714 Roundtrip, found 1 hour ago
$714
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Nov 6 from Las Vegas to Bangkok, returning Thu, Nov 13, priced at $714 found 1 hour ago
All Nippon Airways
Tue, Sep 2 - Tue, Sep 9
LAS
Las Vegas
BKK
Bangkok
$752 Roundtrip, found 8 hours ago
$752
Roundtrip
found 8 hours ago
Select All Nippon Airways flight, departing Tue, Sep 2 from Las Vegas to Bangkok, returning Tue, Sep 9, priced at $752 found 8 hours ago
Japan Airlines
Sat, Feb 7 - Sat, Feb 14
LAS
Las Vegas
BKK
Bangkok
$828 Roundtrip, found 1 day ago
$828
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Sat, Feb 7 from Las Vegas to Bangkok, returning Sat, Feb 14, priced at $828 found 1 day ago
American Airlines
Mon, Sep 1 - Tue, Sep 16
LAS
Las Vegas
BKK
Bangkok
$880 Roundtrip, found 1 hour ago
$880
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Sep 1 from Las Vegas to Bangkok, returning Tue, Sep 16, priced at $880 found 1 hour ago
Cathay Pacific
Wed, Sep 3 - Wed, Sep 10
LAS
Las Vegas
BKK
Bangkok
$881 Roundtrip, just found
$881
Roundtrip
just found
Select Cathay Pacific flight, departing Wed, Sep 3 from Las Vegas to Bangkok, returning Wed, Sep 10, priced at $881 just found
STARLUX Airlines
Wed, Feb 4 - Wed, Feb 18
LAS
Las Vegas
BKK
Bangkok
$882 Roundtrip, found 6 hours ago
$882
Roundtrip
found 6 hours ago
Select STARLUX Airlines flight, departing Wed, Feb 4 from Las Vegas to Bangkok, returning Wed, Feb 18, priced at $882 found 6 hours ago
Singapore Airlines
Tue, Feb 10 - Tue, Mar 3
LAS
Las Vegas
BKK
Bangkok
$1,003 Roundtrip, found 7 hours ago
$1,003
Roundtrip
found 7 hours ago
Select Singapore Airlines flight, departing Tue, Feb 10 from Las Vegas to Bangkok, returning Tue, Mar 3, priced at $1,003 found 7 hours ago
China Eastern Airlines
Tue, Dec 2 - Tue, Dec 23
LAS
Las Vegas
BKK
Bangkok
$1,004 Roundtrip, found 5 hours ago
$1,004
Roundtrip
found 5 hours ago
Select China Eastern Airlines flight, departing Tue, Dec 2 from Las Vegas to Bangkok, returning Tue, Dec 23, priced at $1,004 found 5 hours ago
United
Thu, Nov 20 - Thu, Nov 27
LAS
Las Vegas
BKK
Bangkok
$1,038 Roundtrip, just found
$1,038
Roundtrip
just found
Select United flight, departing Thu, Nov 20 from Las Vegas to Bangkok, returning Thu, Nov 27, priced at $1,038 just found

Find the cheapest month to fly from Las Vegas (LAS) to Bangkok (BKK)

September is typically the cheapest month to fly

From $695 - $1,080 per traveler.

Graph displaying average flight prices per month

Alternative airports near Bangkok

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Don Mueang Intl. DMK. Closest option available. Average driving time to city center is 19 minutes. Flights from $8,276
DMK
Don Mueang Intl.
Closest
Average driving time to city center19 min
Flights from $8,276
Flights from Las Vegas (LAS) to Bangkok (BKK)
Origin airport
Harry Reid Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air Canada, Air China, All Nippon Airways, American Airlines, Asiana Airlines, Austrian Airlines, Cathay Pacific, Delta, Etihad Airways, Finnair, Japan Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, STARLUX Airlines, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$689
Distance
8275 mi

Las Vegas to Bangkok Flights

The cheapest times to fly from Las Vegas to Bangkok

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Las Vegas to Bangkok are during the month of September. You can find some of the cheapest flights from Las Vegas to Bangkok with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Las Vegas to Bangkok

Sunday is one of the best days to book for cheap flights from Las Vegas to Bangkok: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Las Vegas to Bangkok

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Las Vegas to Bangkok in 2025. You can also book with separate airlines for your outbound and return journeys, from $368 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Las Vegas to Bangkok flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Las Vegas to Bangkok airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Suvarnabhumi Intl. Airport (BKK) cost?
Lock in a cheap one-way flight from $368 or cheap return flight from $690 from Harry Reid Intl. Airport (LAS) to Suvarnabhumi Intl. Airport (BKK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Harry Reid Intl. Airport (LAS) to Suvarnabhumi Intl. Airport (BKK)?
September is the cheapest month to fly from LAS to BKK. Traveling during quieter months is often the key to finding better fares.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Suvarnabhumi Intl. Airport (BKK)?
To find the cheapest airline flying from LAS to BKK, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Harry Reid Intl. Airport (LAS) to Suvarnabhumi Intl. Airport (BKK)?
Nonstop flights from Harry Reid Intl. Airport (LAS) to Suvarnabhumi Intl. Airport (BKK) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LAS to BKK?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Suvarnabhumi Intl. Airport (BKK)?
To land at Suvarnabhumi Intl. Airport (BKK) on schedule, pick a flight that leaves from Harry Reid Intl. Airport (LAS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Suvarnabhumi Intl. Airport (BKK) last-minute?
Last-minute bookings from LAS to BKK are usually more expensive. To lock in the lowest prices, start looking for flights as soon as possible. That said, if you can play around with your travel dates, you may find a cheap ticket right before you leave.
Is it cheaper to book a LAS to BKK flight and hotel package?
Compared with arranging hotels and flights separately, booking a LAS to BKK flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place takes the hassle out of travel planning. Simply secure your flights and choose from our extensive range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Suvarnabhumi Intl. Airport (BKK)?
Generally, it's possible to cancel or reschedule your LAS to BKK flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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