$876 Cheap Flights from Seattle (SEA) to Utapao (UTP)

View $876 flight on Thu, Nov 13, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Utapao (UTP-Utapao Intl.)

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Cheap Flights from Seattle to Utapao (SEA-UTP)

Prices were available within the past 7 days and start at $876 for one-way flights and $1,349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Thu, Nov 13 - Mon, Nov 17
SEA
Seattle
UTP
Chonburi Province
$1,349 Roundtrip, found 19 hours ago
$1,349
Roundtrip
found 19 hours ago
Select Qatar Airways flight, departing Thu, Nov 13 from Seattle to Chonburi Province, returning Mon, Nov 17, priced at $1,349 found 19 hours ago
Qatar Airways
Thu, Nov 13 - Mon, Nov 17
SEA
Seattle
UTP
Chonburi Province
$1,356 Roundtrip, found 19 hours ago
$1,356
Roundtrip
found 19 hours ago
Select Qatar Airways flight, departing Thu, Nov 13 from Seattle to Chonburi Province, returning Mon, Nov 17, priced at $1,356 found 19 hours ago
Qatar Airways
Thu, Nov 13 - Mon, Nov 17
SEA
Seattle
UTP
Chonburi Province
$1,360 Roundtrip, found 19 hours ago
$1,360
Roundtrip
found 19 hours ago
Select Qatar Airways flight, departing Thu, Nov 13 from Seattle to Chonburi Province, returning Mon, Nov 17, priced at $1,360 found 19 hours ago
Qatar Airways
Thu, Nov 13 - Mon, Nov 17
SEA
Seattle
UTP
Chonburi Province
$1,363 Roundtrip, found 19 hours ago
$1,363
Roundtrip
found 19 hours ago
Select Qatar Airways flight, departing Thu, Nov 13 from Seattle to Chonburi Province, returning Mon, Nov 17, priced at $1,363 found 19 hours ago
Qatar Airways
Thu, Nov 13 - Mon, Nov 17
SEA
Seattle
UTP
Chonburi Province
$1,367 Roundtrip, found 19 hours ago
$1,367
Roundtrip
found 19 hours ago
Select Qatar Airways flight, departing Thu, Nov 13 from Seattle to Chonburi Province, returning Mon, Nov 17, priced at $1,367 found 19 hours ago
Qatar Airways
Thu, Nov 13 - Mon, Nov 17
SEA
Seattle
UTP
Chonburi Province
$1,370 Roundtrip, found 19 hours ago
$1,370
Roundtrip
found 19 hours ago
Select Qatar Airways flight, departing Thu, Nov 13 from Seattle to Chonburi Province, returning Mon, Nov 17, priced at $1,370 found 19 hours ago
Qatar Airways
Tue, Oct 21 - Mon, Oct 27
SEA
Seattle
UTP
Chonburi Province
$1,370 Roundtrip, found 5 days ago
$1,370
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Tue, Oct 21 from Seattle to Chonburi Province, returning Mon, Oct 27, priced at $1,370 found 5 days ago
Qatar Airways
Thu, Nov 13 - Mon, Nov 17
SEA
Seattle
UTP
Chonburi Province
$1,374 Roundtrip, found 19 hours ago
$1,374
Roundtrip
found 19 hours ago
Select Qatar Airways flight, departing Thu, Nov 13 from Seattle to Chonburi Province, returning Mon, Nov 17, priced at $1,374 found 19 hours ago
Qatar Airways
Thu, Nov 13 - Mon, Nov 17
SEA
Seattle
UTP
Chonburi Province
$1,381 Roundtrip, found 19 hours ago
$1,381
Roundtrip
found 19 hours ago
Select Qatar Airways flight, departing Thu, Nov 13 from Seattle to Chonburi Province, returning Mon, Nov 17, priced at $1,381 found 19 hours ago
Qatar Airways
Tue, Oct 21 - Mon, Oct 27
SEA
Seattle
UTP
Chonburi Province
$1,381 Roundtrip, found 5 days ago
$1,381
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Tue, Oct 21 from Seattle to Chonburi Province, returning Mon, Oct 27, priced at $1,381 found 5 days ago
Flights from Seattle (SEA) to Utapao (UTP)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Utapao Intl.
Airlines serving
Qatar Airways
Roundtrip price
$1,349
Distance
7501 mi

Seattle to Utapao Flights

The cheapest times to fly from Seattle to Utapao

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

 

The best time to book a flight from Seattle to Utapao

Sunday is one of the best days to book for cheap flights from Seattle to Utapao: 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 Seattle to Utapao

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 Seattle to Utapao in 2025. You can also book with separate airlines for your outbound and return journeys, from $876 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 Seattle to Utapao 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 Seattle to Utapao 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 Seattle - Tacoma Intl. Airport (SEA) to Utapao Intl. Airport (UTP) cost?
Snag a cheap one-way flight from $876 or cheap return flight from $1,349 from Seattle - Tacoma Intl. Airport (SEA) to Utapao Intl. Airport (UTP) 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 Seattle - Tacoma Intl. Airport (SEA) to Utapao Intl. Airport (UTP)?
Planning your trip for November can help you save, as it's the cheapest month for flights between SEA and UTP. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Utapao Intl. Airport (UTP)?
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 see which carrier offers the cheapest SEA to UTP flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Utapao Intl. Airport (UTP)?
There aren't any daily direct flights departing from Seattle - Tacoma Intl. Airport (SEA) to Utapao Intl. Airport (UTP). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from SEA to UTP?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the airline, season 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 Seattle - Tacoma Intl. Airport (SEA) to Utapao Intl. Airport (UTP)?
Select a flight from Seattle - Tacoma Intl. Airport (SEA) to Utapao Intl. Airport (UTP) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**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 Seattle - Tacoma Intl. Airport (SEA) to Utapao Intl. Airport (UTP) last-minute?
Holding off until just before your departure to book a flight from SEA to UTP generally means paying more. Although you may find some last-minute deals, they're not always guaranteed. Keep your travel plans flexible to boost your chances of snagging a bargain.
Is it cheaper to book a SEA to UTP flight and hotel package?
Compared with arranging hotels and flights separately, booking a SEA to UTP flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the stress out of travel planning. Just pick your flights and select from our extensive range of hotels, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Utapao Intl. Airport (UTP)?
It's usually possible to reschedule or cancel your SEA to UTP flight. However, for bookings made more than 24 hours ago, additional charges 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.