$657 Cheap Flights from Billings (BIL) to Chiang Mai (CNX)

View $657 flight on Thu, Nov 6, 2025Opens in a new window

Popular airlines from Billings Logan Intl. Airport (BIL) to Chiang Mai Intl. Airport (CNX)

Cheap Flights from Billings to Chiang Mai (BIL-CNX)

Prices were available within the past 7 days and start at $657 for one-way flights and $1,663 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Jan 6 - Thu, Jan 22
BIL
Billings
CNX
Chiang Mai
$1,663 Roundtrip, found 7 hours ago
$1,663
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Billings to Chiang Mai, returning Thu, Jan 22, priced at $1,663 found 7 hours ago
Alaska Airlines
Tue, Jan 6 - Thu, Jan 22
BIL
Billings
CNX
Chiang Mai
$1,670 Roundtrip, found 7 hours ago
$1,670
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Billings to Chiang Mai, returning Thu, Jan 22, priced at $1,670 found 7 hours ago
Alaska Airlines
Tue, Jan 6 - Thu, Jan 22
BIL
Billings
CNX
Chiang Mai
$1,674 Roundtrip, found 7 hours ago
$1,674
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Billings to Chiang Mai, returning Thu, Jan 22, priced at $1,674 found 7 hours ago
Alaska Airlines
Tue, Jan 6 - Thu, Jan 22
BIL
Billings
CNX
Chiang Mai
$1,681 Roundtrip, found 7 hours ago
$1,681
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Billings to Chiang Mai, returning Thu, Jan 22, priced at $1,681 found 7 hours ago
Alaska Airlines
Tue, Jan 6 - Thu, Jan 22
BIL
Billings
CNX
Chiang Mai
$1,753 Roundtrip, found 7 hours ago
$1,753
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Billings to Chiang Mai, returning Thu, Jan 22, priced at $1,753 found 7 hours ago
Alaska Airlines
Tue, Jan 6 - Thu, Jan 22
BIL
Billings
CNX
Chiang Mai
$1,830 Roundtrip, found 7 hours ago
$1,830
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Billings to Chiang Mai, returning Thu, Jan 22, priced at $1,830 found 7 hours ago
Alaska Airlines
Tue, Jan 6 - Wed, Jan 21
BIL
Billings
CNX
Chiang Mai
$1,833 Roundtrip, found 17 hours ago
$1,833
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Billings to Chiang Mai, returning Wed, Jan 21, priced at $1,833 found 17 hours ago
Alaska Airlines
Tue, Jan 6 - Thu, Jan 22
BIL
Billings
CNX
Chiang Mai
$1,844 Roundtrip, found 7 hours ago
$1,844
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Billings to Chiang Mai, returning Thu, Jan 22, priced at $1,844 found 7 hours ago
Alaska Airlines
Tue, Jan 6 - Thu, Jan 22
BIL
Billings
CNX
Chiang Mai
$2,404 Roundtrip, found 7 hours ago
$2,404
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Billings to Chiang Mai, returning Thu, Jan 22, priced at $2,404 found 7 hours ago
Alaska Airlines
Tue, Jan 6 - Thu, Jan 22
BIL
Billings
CNX
Chiang Mai
$2,422 Roundtrip, found 7 hours ago
$2,422
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Billings to Chiang Mai, returning Thu, Jan 22, priced at $2,422 found 7 hours ago
Flights from Billings (BIL) to Chiang Mai (CNX)
Origin airport
Logan Intl.
Destination airport
Chiang Mai Intl.
Roundtrip price
$1,663
Distance
7653 mi

Billings to Chiang Mai Flights

The cheapest times to fly from Billings 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 Billings to Chiang Mai are during the month of January. You can find some of the cheapest flights from Billings to Chiang Mai with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Billings to Chiang Mai

Sunday is one of the best days to book for cheap flights from Billings 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 Billings 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 Billings to Chiang Mai in 2025. You can also book with separate airlines for your outbound and return journeys, from $657 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 Billings 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 Billings 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 Logan Intl. Airport (BIL) to Chiang Mai Intl. Airport (CNX) cost?
Get a cheap one-way flight from $657 or cheap return flight from $1,663 from Logan Intl. Airport (BIL) to Chiang Mai Intl. Airport (CNX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BIL) to Chiang Mai Intl. Airport (CNX)?
The cheapest month to fly from BIL to CNX is January, 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 Logan Intl. Airport (BIL) to Chiang Mai Intl. Airport (CNX)?
To find the cheapest airline that'll fly you from BIL to CNX, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Logan Intl. Airport (BIL) to Chiang Mai Intl. Airport (CNX)?
You'll have to catch a flight with a layover if you're traveling from Logan Intl. Airport (BIL) to Chiang Mai Intl. Airport (CNX). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from BIL to CNX?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BIL) to Chiang Mai Intl. Airport (CNX)?
To land at Chiang Mai Intl. Airport (CNX) on time, pick a flight that leaves Logan Intl. Airport (BIL) 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 Logan Intl. Airport (BIL) to Chiang Mai Intl. Airport (CNX) last-minute?
Waiting until just before your departure to book your flight from BIL to CNX often results in higher prices. While you may find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible for a better chance of scoring a bargain.
Is it cheaper to book a BIL to CNX flight and hotel package?
Booking a BIL to CNX flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BIL) to Chiang Mai Intl. Airport (CNX)?
Generally, it's possible to reschedule or cancel your BIL to CNX flight. However, if the booking was 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 if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.