$446 Cheap Flights from Seattle (SEA) to Vientiane (VTE)

View $446 flight on Thu, Nov 20, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Wattay Intl. Airport (VTE)

Cheap Flights from Seattle to Vientiane (SEA-VTE)

Prices were available within the past 7 days and start at $446 for one-way flights and $944 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Thu, Mar 12 - Sat, Mar 21
SEA
Seattle
VTE
Vientiane
$944 Roundtrip, found 2 days ago
$944
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Thu, Mar 12 from Seattle to Vientiane, returning Sat, Mar 21, priced at $944 found 2 days ago
Singapore Airlines
Thu, Apr 9 - Sat, Apr 18
SEA
Seattle
VTE
Vientiane
$949 Roundtrip, found 1 hour ago
$949
Roundtrip
found 1 hour ago
Select Singapore Airlines flight, departing Thu, Apr 9 from Seattle to Vientiane, returning Sat, Apr 18, priced at $949 found 1 hour ago
Hainan Airlines
Sat, Nov 29 - Thu, Feb 5
SEA
Seattle
VTE
Vientiane
$958 Roundtrip, found 2 days ago
$958
Roundtrip
found 2 days ago
Select Hainan Airlines flight, departing Sat, Nov 29 from Seattle to Vientiane, returning Thu, Feb 5, priced at $958 found 2 days ago
Hainan Airlines
Thu, Nov 27 - Thu, Feb 5
SEA
Seattle
VTE
Vientiane
$977 Roundtrip, found 2 days ago
$977
Roundtrip
found 2 days ago
Select Hainan Airlines flight, departing Thu, Nov 27 from Seattle to Vientiane, returning Thu, Feb 5, priced at $977 found 2 days ago
Asiana Airlines
Tue, Feb 17 - Fri, Feb 27
SEA
Seattle
VTE
Vientiane
$1,005 Roundtrip, found 6 days ago
$1,005
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Tue, Feb 17 from Seattle to Vientiane, returning Fri, Feb 27, priced at $1,005 found 6 days ago
Hainan Airlines
Thu, Jan 15 - Thu, Jan 22
SEA
Seattle
VTE
Vientiane
$1,008 Roundtrip, found 3 days ago
$1,008
Roundtrip
found 3 days ago
Select Hainan Airlines flight, departing Thu, Jan 15 from Seattle to Vientiane, returning Thu, Jan 22, priced at $1,008 found 3 days ago
China Eastern Airlines
Sat, Jan 17 - Thu, Feb 26
SEA
Seattle
VTE
Vientiane
$1,012 Roundtrip, found 3 days ago
$1,012
Roundtrip
found 3 days ago
Select China Eastern Airlines flight, departing Sat, Jan 17 from Seattle to Vientiane, returning Thu, Feb 26, priced at $1,012 found 3 days ago
Asiana Airlines
Sun, Jan 18 - Sun, Jan 25
SEA
Seattle
VTE
Vientiane
$1,017 Roundtrip, found 3 days ago
$1,017
Roundtrip
found 3 days ago
Select Asiana Airlines flight, departing Sun, Jan 18 from Seattle to Vientiane, returning Sun, Jan 25, priced at $1,017 found 3 days ago
Asiana Airlines
Sun, Jan 18 - Wed, Jan 28
SEA
Seattle
VTE
Vientiane
$1,018 Roundtrip, found 3 days ago
$1,018
Roundtrip
found 3 days ago
Select Asiana Airlines flight, departing Sun, Jan 18 from Seattle to Vientiane, returning Wed, Jan 28, priced at $1,018 found 3 days ago
Alaska Airlines
Wed, Apr 8 - Wed, Apr 29
SEA
Seattle
VTE
Vientiane
$1,029 Roundtrip, found 6 days ago
$1,029
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Apr 8 from Seattle to Vientiane, returning Wed, Apr 29, priced at $1,029 found 6 days ago

Alternative airports near Vientiane

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

Select flight to Wattay Intl. VTE. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $1,107
VTE
Wattay Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $1,107

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Wattay Intl. Airport (VTE) cost?
Secure a cheap one-way flight from $446 or cheap return flight from $944 from Seattle - Tacoma Intl. Airport (SEA) to Wattay Intl. Airport (VTE) 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 Wattay Intl. Airport (VTE)?
Flying in March is a great way to save, as it's the cheapest month for flights between SEA and VTE. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Wattay Intl. Airport (VTE)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from SEA to VTE. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Wattay Intl. Airport (VTE)?
There are no daily direct flights from Seattle - Tacoma Intl. Airport (SEA) to Wattay Intl. Airport (VTE). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SEA to VTE?
You'll generally find Tuesday the quietest day for flights, while Fridays are often 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 Seattle - Tacoma Intl. Airport (SEA) to Wattay Intl. Airport (VTE)?
Select a flight from Seattle - Tacoma Intl. Airport (SEA) to Wattay Intl. Airport (VTE) that leaves before 3 PM to reduce the risk of cancellations. 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 Wattay Intl. Airport (VTE) last-minute?
Waiting until just before your departure to book a ticket from SEA to VTE generally means paying more. While you may find some last-minute offers, they're not always guaranteed. Be flexible with your travel plans for the best chance of getting a bargain.
Is it cheaper to book a SEA to VTE flight and hotel package?
Opting for a SEA to VTE flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our impressive range of stays 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 Seattle - Tacoma Intl. Airport (SEA) to Wattay Intl. Airport (VTE)?
If you booked your SEA to VTE flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Wattay Intl.
Airlines serving
Asiana Airlines, China Eastern Airlines, Hainan Airlines, Singapore Airlines
Roundtrip price
$944
Distance
7131 mi

Book with confidence

Seattle to Vientiane Flights

The cheapest times to fly from Seattle to Vientiane

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

 

The best time to book a flight from Seattle to Vientiane

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

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 Vientiane in 2025. You can also book with separate airlines for your outbound and return journeys, from $446 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 Vientiane 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 Vientiane 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.

 

Seattle to Vientiane Flights

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*Available to One Key members.