$813 Cheap Flights from Boston (BOS) to Chiang Rai (CEI)

View $813 flight on Mon, Dec 8, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Chiang Rai Intl. Airport (CEI)

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Cheap Flights from Boston to Chiang Rai (BOS-CEI)

Prices were available within the past 7 days and start at $813 for one-way flights and $1,136 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Sun, Nov 9 - Thu, Nov 13
BOS
Boston
CEI
Chiang Rai
$1,136 Roundtrip, found 6 days ago
$1,136
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Sun, Nov 9 from Boston to Chiang Rai, returning Thu, Nov 13, priced at $1,136 found 6 days ago
Qatar Airways
Wed, Dec 10 - Sun, Dec 14
BOS
Boston
CEI
Chiang Rai
$1,170 Roundtrip, found 6 days ago
$1,170
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Wed, Dec 10 from Boston to Chiang Rai, returning Sun, Dec 14, priced at $1,170 found 6 days ago
Qatar Airways
Sat, Nov 15 - Wed, Nov 19
BOS
Boston
CEI
Chiang Rai
$1,176 Roundtrip, found 4 days ago
$1,176
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Sat, Nov 15 from Boston to Chiang Rai, returning Wed, Nov 19, priced at $1,176 found 4 days ago
Qatar Airways
Sat, Nov 15 - Wed, Nov 19
BOS
Boston
CEI
Chiang Rai
$1,179 Roundtrip, found 4 days ago
$1,179
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Sat, Nov 15 from Boston to Chiang Rai, returning Wed, Nov 19, priced at $1,179 found 4 days ago
Qatar Airways
Sat, Nov 15 - Wed, Nov 19
BOS
Boston
CEI
Chiang Rai
$1,180 Roundtrip, found 4 days ago
$1,180
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Sat, Nov 15 from Boston to Chiang Rai, returning Wed, Nov 19, priced at $1,180 found 4 days ago
Qatar Airways
Sat, Nov 15 - Wed, Nov 19
BOS
Boston
CEI
Chiang Rai
$1,183 Roundtrip, found 4 days ago
$1,183
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Sat, Nov 15 from Boston to Chiang Rai, returning Wed, Nov 19, priced at $1,183 found 4 days ago
Qatar Airways
Sat, Nov 15 - Wed, Nov 19
BOS
Boston
CEI
Chiang Rai
$1,250 Roundtrip, found 4 days ago
$1,250
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Sat, Nov 15 from Boston to Chiang Rai, returning Wed, Nov 19, priced at $1,250 found 4 days ago
Qatar Airways
Sat, Nov 15 - Wed, Nov 19
BOS
Boston
CEI
Chiang Rai
$1,253 Roundtrip, found 4 days ago
$1,253
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Sat, Nov 15 from Boston to Chiang Rai, returning Wed, Nov 19, priced at $1,253 found 4 days ago
Qatar Airways
Sat, Nov 15 - Wed, Nov 19
BOS
Boston
CEI
Chiang Rai
$1,254 Roundtrip, found 4 days ago
$1,254
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Sat, Nov 15 from Boston to Chiang Rai, returning Wed, Nov 19, priced at $1,254 found 4 days ago
Lufthansa
Mon, Nov 17 - Tue, Nov 25
BOS
Boston
CEI
Chiang Rai
$3,223 Roundtrip, found 21 hours ago
$3,223
Roundtrip
found 21 hours ago
Select Lufthansa flight, departing Mon, Nov 17 from Boston to Chiang Rai, returning Tue, Nov 25, priced at $3,223 found 21 hours ago

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Chiang Rai Intl. Airport (CEI) cost?
Grab a cheap one-way flight from $813 or cheap return flight from $1,136 from Logan Intl. Airport (BOS) to Chiang Rai Intl. Airport (CEI) 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 Logan Intl. Airport (BOS) to Chiang Rai Intl. Airport (CEI)?
November is the least expensive month to fly from BOS to CEI. Traveling during an off-peak travel window is often the key to landing a great deal.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Chiang Rai Intl. Airport (CEI)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BOS to CEI flight.
How many flights per day from Logan Intl. Airport (BOS) to Chiang Rai Intl. Airport (CEI)?
You'll have to book a flight with a layover if you're traveling from Logan Intl. Airport (BOS) to Chiang Rai Intl. Airport (CEI). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from BOS to CEI?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*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 (BOS) to Chiang Rai Intl. Airport (CEI)?
To land at Chiang Rai Intl. Airport (CEI) on schedule, book a flight that leaves from Logan Intl. Airport (BOS) 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 (BOS) to Chiang Rai Intl. Airport (CEI) last-minute?
Booking your flight from BOS to CEI just before your trip is usually more expensive. But if there's some wiggle room with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a BOS to CEI flight and hotel package?
Securing a BOS to CEI flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our extensive range of stays and then add flights, activities and car rentals 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 (BOS) to Chiang Rai Intl. Airport (CEI)?
Usually, it's possible to reschedule or cancel your BOS to CEI flight. However, if the booking was made more than 24 hours ago, additional fees 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 more information on our Customer Service portal.

Travel information

Origin airport
Logan Intl.
Destination airport
Chiang Rai Intl.
Airlines serving
Lufthansa
Roundtrip price
$1,136
Distance
8091 mi

Book with confidence

Boston to Chiang Rai Flights

The cheapest times to fly from Boston to Chiang Rai

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 Boston to Chiang Rai are during the month of November. You can find some of the cheapest flights from Boston to Chiang Rai with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Chiang Rai

Sunday is one of the best days to book for cheap flights from Boston to Chiang Rai: 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 Boston to Chiang Rai

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 Boston to Chiang Rai in 2025. You can also book with separate airlines for your outbound and return journeys, from $813 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 Boston to Chiang Rai 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 Boston to Chiang Rai 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.

 

Boston to Chiang Rai Flights

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*Available to One Key members.