Which airports can I use when flying from Seattle to Williston?

Flights from Seattle to Williston usually depart from Seattle/Tacoma Intl (SEA) and arrive at Williston Basin Intl (XWA).

What cabin classes can I book on flights from Seattle to Williston?

Only Economy Class is available on flights from Seattle to Williston.

Which airports do connecting flights from Seattle to Williston pass through?

Connecting flights from Seattle to Williston most commonly pass through: • Denver Intl (DEN) - 74% of one-stop connections • Minneapolis St Paul (MSP) - 26% of one-stop connections Together, these airports account for 100% of one-stop bookings on this route.

Can I save money by using flexible dates for flights from Seattle to Williston?

Yes. Being flexible with your travel dates can save you up to 45% on the Seattle to Williston route. Wednesday is the cheapest departure day at $344 round-trip on average, while Tuesday is the most expensive at $620, a difference of $276. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from Seattle to Williston?

There are currently no nonstop flights available from Seattle to Williston. Flights with 1 layover take between 6h 53m and 7h 05m in total, depending on the connection.

Do I need a passport to fly from Seattle to Williston?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Seattle to Williston changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $840 to $1,226. That means the highest observed fare was about 45% higher than the lowest one.

How much time can I save by choosing a different layover airport from Seattle to Williston?

Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 53m, compared with 7h 05m via Minneapolis St Paul (MSP).

What is the time difference between Seattle and Williston?

Williston is 2 hours ahead of Seattle (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

How much should I expect to pay for a Seattle to Williston flight?

Round-trip flights from Seattle to Williston range from $359 to $503, with an average of $446 over the past 12 months. Anything below $359 counts as a good deal.

What is the cheapest airline to fly from Seattle to Williston?

United Airlines ($840) offered the cheapest round-trip ticket from Seattle to Williston in the last 5 days.

What is the most popular layover airport when flying from Seattle to Williston?

Denver Intl (DEN) is the most popular layover for the Seattle to Williston route. 74% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DEN.

What is the cheapest layover airport when flying from Seattle to Williston?

Flights via Minneapolis St Paul (MSP) offer the most affordable fares, with an average round-trip price of $435. Based on KAYAK data over the past 3 months.

When flying from Seattle to Williston which airport offers the shortest layover?

Minneapolis St Paul (MSP) had the shortest average connection time for Seattle to Williston layovers at 265 minutes over the past 3 months.

$840 CHEAP FLIGHTS from Seattle to Williston (SEA - XWA)

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Cheapest round-trip

$840

Typical prices: $359-$503

United Airlines

Thu 10/18Thu 10/25

SEA - XWA • 1 stop

When to travel

December

Cheapest • 33% price drop

September

Most popular

Good to know

Top layover airports

Minneapolis St Paul (MSP)

Cheapest • Avg $435 (round-trip)

Denver Intl (DEN)

Shortest trip • 6h 53m (one-way)

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Flight Deals

Cheap Flights from Seattle to Williston (SEA-XWA)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Seattle to Williston

Sun, Oct 18 - Sun, Oct 25

5:00 am - 12:47 pmSEA Seattle/Tacoma Intl-XWA Williston Basin Intl

5h 47m1 stop Denver Intl

6:26 pm - 11:15 pmXWA Williston Basin Intl-SEA Seattle/Tacoma Intl

6h 49m1 stop Denver Intl

$840United Airlines

Sun, Oct 18 - Sun, Oct 25

5:00 am - 12:47 pmSEA Seattle/Tacoma Intl-XWA Williston Basin Intl

5h 47m1 stop Denver Intl

6:26 pm - 9:40 amXWA Williston Basin Intl-SEA Seattle/Tacoma Intl

17h 14m2 stops Denver Intl San Francisco

$991United Airlines

Sun, Oct 18 - Sun, Oct 25

5:00 am - 12:47 pmSEA Seattle/Tacoma Intl-XWA Williston Basin Intl

5h 47m1 stop Denver Intl

11:20 am - 4:27 pmXWA Williston Basin Intl-SEA Seattle/Tacoma Intl

31h 07m3 stops Denver Intl Fort Myers SW Florida Intl San Francisco

$1,015United Airlines

Mon, Oct 5 - Fri, Oct 9

5:00 am - 12:47 pmSEA Seattle/Tacoma Intl-XWA Williston Basin Intl

5h 47m1 stop Denver Intl

6:20 pm - 10:59 pmXWA Williston Basin Intl-SEA Seattle/Tacoma Intl

6h 39m1 stop Denver Intl

$1,066United Airlines

Mon, Oct 5 - Fri, Oct 9

6:30 am - 6:04 pmSEA Seattle/Tacoma Intl-XWA Williston Basin Intl

9h 34m2 stops Los Angeles Los Angeles Denver Intl

6:20 pm - 10:59 pmXWA Williston Basin Intl-SEA Seattle/Tacoma Intl

6h 39m1 stop Denver Intl

$1,072United Airlines

Mon, Oct 5 - Fri, Oct 9

6:30 am - 6:04 pmSEA Seattle/Tacoma Intl-XWA Williston Basin Intl

9h 34m2 stops Los Angeles Los Angeles Denver Intl

6:20 pm - 10:02 amXWA Williston Basin Intl-SEA Seattle/Tacoma Intl

17h 42m2 stops Denver Intl San Francisco

$1,120United Airlines

Tue, Dec 1 - Sat, Dec 19

5:05 am - 1:03 pmSEA Seattle/Tacoma Intl-XWA Williston Basin Intl

5h 58m1 stop Denver Intl

6:14 pm - 11:16 pmXWA Williston Basin Intl-SEA Seattle/Tacoma Intl

7h 02m1 stop Denver Intl

$1,154United Airlines

Mon, Oct 5 - Fri, Oct 9

3:18 pm - 12:47 pmSEA Seattle/Tacoma Intl-XWA Williston Basin Intl

19h 29m3 stops San Francisco Ontario Denver Intl

6:20 pm - 10:02 amXWA Williston Basin Intl-SEA Seattle/Tacoma Intl

17h 42m2 stops Denver Intl San Francisco

$1,226United Airlines

Booking Insights

Price, demand and travel trends for Seattle to Williston flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Seattle to Williston with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Seattle to Williston?

Round-trip flights from Seattle to Williston start at $840. Prices are above average for this route right now, with typical round-trip fares ranging from $359 to $503. The lowest price found in the past 5 days was $840 on United Airlines.

Find deals

Low season	January
High season	September
Cheapest flight	$840

Flight from Seattle to Williston

When to book flights from Seattle to Williston

Are your dates flexible? Find out the best times to travel from Seattle to Williston based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Seattle to Williston?
Only Economy Class is available on flights from Seattle to Williston.
How long is a flight from Seattle to Williston?
There are currently no nonstop flights available from Seattle to Williston. Flights with 1 layover take between 6h 53m and 7h 05m in total, depending on the connection.
Do I need a passport to fly from Seattle to Williston?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
How much should I expect to pay for a Seattle to Williston flight?
Round-trip flights from Seattle to Williston range from $359 to $503, with an average of $446 over the past 12 months. Anything below $359 counts as a good deal.
Have flight prices from Seattle to Williston changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $840 to $1,226. That means the highest observed fare was about 45% higher than the lowest one.
Which airports can I use when flying from Seattle to Williston?
Flights from Seattle to Williston usually depart from Seattle/Tacoma Intl (SEA) and arrive at Williston Basin Intl (XWA).
Which airports do connecting flights from Seattle to Williston pass through?
Connecting flights from Seattle to Williston most commonly pass through:

• Denver Intl (DEN) - 74% of one-stop connections
• Minneapolis St Paul (MSP) - 26% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.
Can I save money by using flexible dates for flights from Seattle to Williston?
Yes. Being flexible with your travel dates can save you up to 45% on the Seattle to Williston route. Wednesday is the cheapest departure day at $344 round-trip on average, while Tuesday is the most expensive at $620, a difference of $276. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Seattle to Williston?
Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 53m, compared with 7h 05m via Minneapolis St Paul (MSP).
What is the time difference between Seattle and Williston?
Williston is 2 hours ahead of Seattle (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates can be flexible, aim for a Wednesday departure instead of Tuesday. On this route, Wednesday flights average $344 - about $276 less than Tuesday (45% savings) based on the last 12 months.
If you can choose when to travel, plan your Seattle to Williston trip for December. Fares historically average $298 round-trip in that month - typically $539 less than the most expensive month, which is June (based on the last 12 months).

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SEA - XWA

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Everything you should know

Cheap Flights from Seattle to Williston (SEA-XWA)

Recent round-trip flight deals from Seattle to Williston

Recent one-way flight deals from Seattle to Williston

Recent last minute flight deals from Seattle to Williston

Price, demand and travel trends for Seattle to Williston flights

How much is a round-trip flight from Seattle to Williston?

What is the cheapest airline to fly from Seattle to Williston?

What is the most popular layover airport when flying from Seattle to Williston?

What is the cheapest layover airport when flying from Seattle to Williston?

When flying from Seattle to Williston which airport offers the shortest layover?

Key details for Seattle to Williston flights

Low season

High season

Cheapest flight

When to book flights from Seattle to Williston

Your Seattle to Williston flight questions, answered

Your guide to booking Seattle to Williston flights

More options for your flight from Seattle to Williston

Complete your trip to Williston with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Seattle to Williston

Find direct flights to and from Seattle and Williston

Flights from domestic origins to Williston

Flights to other popular destinations