$427 Cheap Flights from Las Vegas (LAS) to Chiang Mai (CNX)

View $427 flight on Wed, Sep 17, 2025Opens 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 $427 for one-way flights and $803 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Thu, Sep 4 - Thu, Sep 11
LAS
Las Vegas
CNX
Chiang Mai
$803 Roundtrip, found 6 days ago
$803
Roundtrip
found 6 days ago
Select Korean Air flight, departing Thu, Sep 4 from Las Vegas to Chiang Mai, returning Thu, Sep 11, priced at $803 found 6 days ago
Korean Air
Thu, Sep 4 - Wed, Sep 10
LAS
Las Vegas
CNX
Chiang Mai
$803 Roundtrip, found 6 days ago
$803
Roundtrip
found 6 days ago
Select Korean Air flight, departing Thu, Sep 4 from Las Vegas to Chiang Mai, returning Wed, Sep 10, priced at $803 found 6 days ago
Korean Air
Tue, Sep 9 - Tue, Sep 16
LAS
Las Vegas
CNX
Chiang Mai
$803 Roundtrip, found 1 day ago
$803
Roundtrip
found 1 day ago
Select Korean Air flight, departing Tue, Sep 9 from Las Vegas to Chiang Mai, returning Tue, Sep 16, priced at $803 found 1 day ago
Korean Air
Thu, Sep 18 - Wed, Sep 24
LAS
Las Vegas
CNX
Chiang Mai
$808 Roundtrip, found 4 days ago
$808
Roundtrip
found 4 days ago
Select Korean Air flight, departing Thu, Sep 18 from Las Vegas to Chiang Mai, returning Wed, Sep 24, priced at $808 found 4 days ago
Delta
Tue, Sep 9 - Mon, Sep 15
LAS
Las Vegas
CNX
Chiang Mai
$814 Roundtrip, found 6 days ago
$814
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Sep 9 from Las Vegas to Chiang Mai, returning Mon, Sep 15, priced at $814 found 6 days ago
Korean Air
Mon, Sep 29 - Wed, Oct 15
LAS
Las Vegas
CNX
Chiang Mai
$819 Roundtrip, found 6 days ago
$819
Roundtrip
found 6 days ago
Select Korean Air flight, departing Mon, Sep 29 from Las Vegas to Chiang Mai, returning Wed, Oct 15, priced at $819 found 6 days ago
Korean Air
Tue, Sep 9 - Tue, Sep 16
LAS
Las Vegas
CNX
Chiang Mai
$822 Roundtrip, found 1 day ago
$822
Roundtrip
found 1 day ago
Select Korean Air flight, departing Tue, Sep 9 from Las Vegas to Chiang Mai, returning Tue, Sep 16, priced at $822 found 1 day ago
STARLUX Airlines
Sun, Jan 18 - Sat, Feb 14
LAS
Las Vegas
CNX
Chiang Mai
$902 Roundtrip, found 2 days ago
$902
Roundtrip
found 2 days ago
Select STARLUX Airlines flight, departing Sun, Jan 18 from Las Vegas to Chiang Mai, returning Sat, Feb 14, priced at $902 found 2 days ago
Air Canada
Sun, Sep 21 - Sat, Sep 27
LAS
Las Vegas
CNX
Chiang Mai
$1,141 Roundtrip, found 4 days ago
$1,141
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sun, Sep 21 from Las Vegas to Chiang Mai, returning Sat, Sep 27, priced at $1,141 found 4 days ago
Air China
Wed, Nov 26 - Tue, Dec 2
LAS
Las Vegas
CNX
Chiang Mai
$1,210 Roundtrip, found 4 days ago
$1,210
Roundtrip
found 4 days ago
Select Air China flight, departing Wed, Nov 26 from Las Vegas to Chiang Mai, returning Tue, Dec 2, priced at $1,210 found 4 days 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 $929
CNX
Chiang Mai Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $929
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, Asiana Airlines, Delta, Etihad Airways, Korean Air, STARLUX Airlines
Roundtrip price
$802
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 September. 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 $427 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 $427 or cheap return flight from $803 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 September, 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.