$573 Cheap Flights from Seattle (SEA) to Ubon Ratchathani (UBP)

View $573 flight on Wed, Oct 1, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Ubon Ratchathani (UBP-Ubon Ratchathani Intl.)

Cheap Flights from Seattle to Ubon Ratchathani (SEA-UBP)

Prices were available within the past 7 days and start at $573 for one-way flights and $999 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Wed, Nov 5 - Tue, Nov 25
SEA
Seattle
UBP
Ubon Ratchathani
$999 Roundtrip, found 7 hours ago
$999
Roundtrip
found 7 hours ago
Select EVA Airways flight, departing Wed, Nov 5 from Seattle to Ubon Ratchathani, returning Tue, Nov 25, priced at $999 found 7 hours ago
EVA Airways
Wed, Sep 10 - Tue, Sep 23
SEA
Seattle
UBP
Ubon Ratchathani
$1,010 Roundtrip, found 7 hours ago
$1,010
Roundtrip
found 7 hours ago
Select EVA Airways flight, departing Wed, Sep 10 from Seattle to Ubon Ratchathani, returning Tue, Sep 23, priced at $1,010 found 7 hours ago
EVA Airways
Wed, Oct 1 - Mon, Oct 6
SEA
Seattle
UBP
Ubon Ratchathani
$1,011 Roundtrip, found 13 hours ago
$1,011
Roundtrip
found 13 hours ago
Select EVA Airways flight, departing Wed, Oct 1 from Seattle to Ubon Ratchathani, returning Mon, Oct 6, priced at $1,011 found 13 hours ago
EVA Airways
Mon, Oct 13 - Tue, Oct 28
SEA
Seattle
UBP
Ubon Ratchathani
$1,019 Roundtrip, found 7 hours ago
$1,019
Roundtrip
found 7 hours ago
Select EVA Airways flight, departing Mon, Oct 13 from Seattle to Ubon Ratchathani, returning Tue, Oct 28, priced at $1,019 found 7 hours ago
EVA Airways
Wed, Nov 5 - Mon, Nov 24
SEA
Seattle
UBP
Ubon Ratchathani
$1,024 Roundtrip, found 7 hours ago
$1,024
Roundtrip
found 7 hours ago
Select EVA Airways flight, departing Wed, Nov 5 from Seattle to Ubon Ratchathani, returning Mon, Nov 24, priced at $1,024 found 7 hours ago
EVA Airways
Tue, Sep 2 - Tue, Sep 16
SEA
Seattle
UBP
Ubon Ratchathani
$1,030 Roundtrip, found 7 hours ago
$1,030
Roundtrip
found 7 hours ago
Select EVA Airways flight, departing Tue, Sep 2 from Seattle to Ubon Ratchathani, returning Tue, Sep 16, priced at $1,030 found 7 hours ago
EVA Airways
Mon, Sep 8 - Tue, Sep 23
SEA
Seattle
UBP
Ubon Ratchathani
$1,035 Roundtrip, found 7 hours ago
$1,035
Roundtrip
found 7 hours ago
Select EVA Airways flight, departing Mon, Sep 8 from Seattle to Ubon Ratchathani, returning Tue, Sep 23, priced at $1,035 found 7 hours ago
EVA Airways
Wed, Oct 1 - Mon, Oct 6
SEA
Seattle
UBP
Ubon Ratchathani
$1,036 Roundtrip, found 13 hours ago
$1,036
Roundtrip
found 13 hours ago
Select EVA Airways flight, departing Wed, Oct 1 from Seattle to Ubon Ratchathani, returning Mon, Oct 6, priced at $1,036 found 13 hours ago
EVA Airways
Wed, Nov 5 - Sat, Nov 22
SEA
Seattle
UBP
Ubon Ratchathani
$1,039 Roundtrip, found 7 hours ago
$1,039
Roundtrip
found 7 hours ago
Select EVA Airways flight, departing Wed, Nov 5 from Seattle to Ubon Ratchathani, returning Sat, Nov 22, priced at $1,039 found 7 hours ago
Asiana Airlines
Sun, Nov 30 - Sun, Dec 14
SEA
Seattle
UBP
Ubon Ratchathani
$1,068 Roundtrip, found 7 hours ago
$1,068
Roundtrip
found 7 hours ago
Select Asiana Airlines flight, departing Sun, Nov 30 from Seattle to Ubon Ratchathani, returning Sun, Dec 14, priced at $1,068 found 7 hours ago

Alternative airports near Ubon Ratchathani

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

Select flight to Ubon Ratchathani Intl. UBP. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $1,085
UBP
Ubon Ratchathani Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $1,085
Flights from Seattle (SEA) to Ubon Ratchathani (UBP)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Ubon Ratchathani Intl.
Roundtrip price
$999
Distance
7217 mi

Seattle to Ubon Ratchathani Flights

The cheapest times to fly from Seattle to Ubon Ratchathani

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

 

The best time to book a flight from Seattle to Ubon Ratchathani

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

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 Ubon Ratchathani in 2025. You can also book with separate airlines for your outbound and return journeys, from $573 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 Ubon Ratchathani 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 Ubon Ratchathani 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 Ubon Ratchathani Intl. Airport (UBP) cost?
Snag a cheap one-way flight from $573 or cheap return flight from $999 from Seattle - Tacoma Intl. Airport (SEA) to Ubon Ratchathani Intl. Airport (UBP) 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 Seattle - Tacoma Intl. Airport (SEA) to Ubon Ratchathani Intl. Airport (UBP)?
Planning your getaway for November is a great way to save, as it's the cheapest month for flights between SEA and UBP. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Ubon Ratchathani Intl. Airport (UBP)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from SEA to UBP. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Ubon Ratchathani Intl. Airport (UBP)?
There aren't any daily nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Ubon Ratchathani Intl. Airport (UBP). But you can opt for flights with layovers. Filter your search results 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 SEA to UBP?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on various factors, such as the time of year and airline.*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 Ubon Ratchathani Intl. Airport (UBP)?
Book a flight from Seattle - Tacoma Intl. Airport (SEA) to Ubon Ratchathani Intl. Airport (UBP) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time 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 Ubon Ratchathani Intl. Airport (UBP) last-minute?
Booking your ticket from SEA to UBP right before your trip is generally more expensive. But if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a SEA to UBP flight and hotel package?
Securing a SEA to UBP flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our wide range of hotels 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 Ubon Ratchathani Intl. Airport (UBP)?
It's generally possible to cancel or reschedule your SEA to UBP flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to 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.