$423 Cheap Flights from Las Vegas (LAS) to Chiang Mai (CNX)

View $423 flight on Wed, Feb 25, 2026Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Chiang Mai Intl. Airport (CNX)

Cheap Flights from Las Vegas to Chiang Mai (LAS-CNX)

Prices were available within the past 7 days and start at $423 for one-way flights and $801 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Wed, Mar 11 - Wed, Mar 18
LAS
Las Vegas
CNX
Chiang Mai
$801 Roundtrip, found 1 day ago
$801
Roundtrip
found 1 day ago
Select Korean Air flight, departing Wed, Mar 11 from Las Vegas to Chiang Mai, returning Wed, Mar 18, priced at $801 found 1 day ago
Korean Air
Thu, Mar 12 - Thu, Mar 19
LAS
Las Vegas
CNX
Chiang Mai
$806 Roundtrip, found 1 day ago
$806
Roundtrip
found 1 day ago
Select Korean Air flight, departing Thu, Mar 12 from Las Vegas to Chiang Mai, returning Thu, Mar 19, priced at $806 found 1 day ago
Delta
Wed, Mar 11 - Tue, Mar 24
LAS
Las Vegas
CNX
Chiang Mai
$812 Roundtrip, found 1 day ago
$812
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Mar 11 from Las Vegas to Chiang Mai, returning Tue, Mar 24, priced at $812 found 1 day ago
Delta
Mon, Oct 27 - Tue, Nov 18
LAS
Las Vegas
CNX
Chiang Mai
$814 Roundtrip, found 5 days ago
$814
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Oct 27 from Las Vegas to Chiang Mai, returning Tue, Nov 18, priced at $814 found 5 days ago
Korean Air
Thu, Mar 12 - Tue, Mar 24
LAS
Las Vegas
CNX
Chiang Mai
$817 Roundtrip, found 1 day ago
$817
Roundtrip
found 1 day ago
Select Korean Air flight, departing Thu, Mar 12 from Las Vegas to Chiang Mai, returning Tue, Mar 24, priced at $817 found 1 day ago
Delta
Sun, Mar 15 - Tue, Mar 24
LAS
Las Vegas
CNX
Chiang Mai
$819 Roundtrip, found 1 day ago
$819
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Mar 15 from Las Vegas to Chiang Mai, returning Tue, Mar 24, priced at $819 found 1 day ago
Korean Air
Mon, Nov 24 - Tue, Dec 9
LAS
Las Vegas
CNX
Chiang Mai
$822 Roundtrip, found 1 day ago
$822
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Nov 24 from Las Vegas to Chiang Mai, returning Tue, Dec 9, priced at $822 found 1 day ago
STARLUX Airlines
Thu, Nov 27 - Sat, Dec 13
LAS
Las Vegas
CNX
Chiang Mai
$922 Roundtrip, found 4 days ago
$922
Roundtrip
found 4 days ago
Select STARLUX Airlines flight, departing Thu, Nov 27 from Las Vegas to Chiang Mai, returning Sat, Dec 13, priced at $922 found 4 days ago
China Eastern Airlines
Wed, Dec 3 - Sat, Dec 20
LAS
Las Vegas
CNX
Chiang Mai
$1,004 Roundtrip, found 3 days ago
$1,004
Roundtrip
found 3 days ago
Select China Eastern Airlines flight, departing Wed, Dec 3 from Las Vegas to Chiang Mai, returning Sat, Dec 20, priced at $1,004 found 3 days ago
Air Canada
Wed, Mar 11 - Mon, Mar 23
LAS
Las Vegas
CNX
Chiang Mai
$1,087 Roundtrip, found 1 day ago
$1,087
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Mar 11 from Las Vegas to Chiang Mai, returning Mon, Mar 23, priced at $1,087 found 1 day ago

Alternative airports near Chiang Mai

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

Select flight to Chiang Mai Intl. CNX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $965
CNX
Chiang Mai Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $965
Flights from Las Vegas (LAS) to Chiang Mai (CNX)
Origin airport
Harry Reid Intl.
Destination airport
Chiang Mai Intl.
Airlines serving
Air Canada, Air China, China Airlines, China Eastern Airlines, Delta, Etihad Airways, Korean Air, STARLUX Airlines
Roundtrip price
$801
Distance
8039 mi

Las Vegas to Chiang Mai Flights

The cheapest times to fly from Las Vegas to Chiang Mai

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 Chiang Mai are during the month of March. You can find some of the cheapest flights from Las Vegas to Chiang Mai with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Las Vegas to Chiang Mai

Sunday is one of the best days to book for cheap flights from Las Vegas to Chiang Mai: 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 Chiang Mai

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 Chiang Mai in 2025. You can also book with separate airlines for your outbound and return journeys, from $423 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 Chiang Mai 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 Chiang Mai 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 Chiang Mai Intl. Airport (CNX) cost?
Grab a cheap one-way flight from $423 or cheap return flight from $801 from Harry Reid Intl. Airport (LAS) to Chiang Mai Intl. Airport (CNX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Harry Reid Intl. Airport (LAS) to Chiang Mai Intl. Airport (CNX)?
The cheapest month to fly from LAS to CNX is March, when demand is low. Off-peak months are often when better flight deals are available between these airports.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Chiang Mai Intl. Airport (CNX)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest LAS to CNX flight.
How many flights per day from Harry Reid Intl. Airport (LAS) to Chiang Mai Intl. Airport (CNX)?
There aren't any daily direct flights departing from Harry Reid Intl. Airport (LAS) to Chiang Mai Intl. Airport (CNX). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from LAS to CNX?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be 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 Chiang Mai Intl. Airport (CNX)?
Select a flight from Harry Reid Intl. Airport (LAS) to Chiang Mai Intl. Airport (CNX) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 Chiang Mai Intl. Airport (CNX) last-minute?
Last-minute fares from LAS to CNX are generally more expensive. For the lowest rates, start searching for flights well in advance. That said, if you're flexible with your travel plans, it's possible to find a cheap fare right before your trip.
Is it cheaper to book a LAS to CNX flight and hotel package?
You can save money by securing a LAS to CNX flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your ideal flights and accommodations, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Chiang Mai Intl. Airport (CNX)?
Typically, it's possible to cancel or reschedule your LAS to CNX flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.