Which airports can I use when flying from Seattle to Twin Falls?

Flights from Seattle to Twin Falls usually depart from Seattle/Tacoma Intl (SEA) and arrive at Twin Falls Joslin (TWF).

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

Only Economy Class is available on flights from Seattle to Twin Falls.

Which airports do connecting flights from Seattle to Twin Falls pass through?

Most connecting flights from Seattle to Twin Falls pass through Salt Lake City (SLC), which handles 100% of one-stop traffic on this route.

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

Yes. Flexible dates can save you up to 55% on flights from Seattle to Twin Falls. Tuesday is the cheapest departure day at $306 round-trip on average, while Sunday is the most expensive at $672, a difference of $366. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Do I need a passport to fly from Seattle to Twin Falls?

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 Twin Falls changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $326 to $2,801. That means the highest observed fare was about 9x higher than the lowest one.

What is the time difference between Seattle and Twin Falls?

Twin Falls is 1 hour ahead of Seattle (Mountain 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 Twin Falls flight?

Round-trip flights from Seattle to Twin Falls range from $512 to $672, with an average of $626 over the past 12 months. Anything below $512 counts as a good deal.

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

Round-trip flights from Seattle to Twin Falls typically range from $512 to $672. The lowest price found in the past 5 days was $326, on Delta.

Which airline is the cheapest to fly from Seattle to Twin Falls?

Delta ($326) offered the cheapest round-trip ticket from Seattle to Twin Falls in the last 5 days.

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

Flights via Salt Lake City (SLC) offer the most affordable fares, with an average round-trip price of $579. Based on KAYAK data over the past 3 months.

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

Salt Lake City (SLC) had the shortest average connection time for Seattle to Twin Falls layovers at 2h 52m over the past 3 months.

$326 CHEAP FLIGHTS from Seattle to Twin Falls (SEA - TWF)

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Cheapest round-trip

$326

Typical prices: $512-$672

Delta

Mon 12/3Wed 12/12

SEA - TWF • 1 stop

When to travel

October

Cheapest • 51% price drop

May

Most popular

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Flight Deals

Cheap Flights from Seattle to Twin Falls (SEA-TWF)

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

Round-trip

One-way

Recent round-trip flight deals from Seattle to Twin Falls

Thu, Dec 3 - Sat, Dec 12

5:30 am - 12:25 pmSEA Seattle/Tacoma Intl-TWF Twin Falls Joslin

5h 55m1 stop Salt Lake City

1:17 pm - 4:59 pmTWF Twin Falls Joslin-SEA Seattle/Tacoma Intl

4h 42m1 stop Salt Lake City

$326Delta

Thu, Dec 3 - Sat, Dec 12

5:30 am - 12:25 pmSEA Seattle/Tacoma Intl-TWF Twin Falls Joslin

5h 55m1 stop Salt Lake City

1:17 pm - 4:59 pmTWF Twin Falls Joslin-SEA Seattle/Tacoma Intl

4h 42m1 stop Salt Lake City

$346Delta

Thu, Nov 5 - Mon, Nov 9

9:13 pm - 12:00 pmSEA Seattle/Tacoma Intl-TWF Twin Falls Joslin

13h 47m1 stop Las Vegas Harry Reid Intl

1:45 pm - 6:33 pmTWF Twin Falls Joslin-SEA Seattle/Tacoma Intl

29h 48m2 stops Las Vegas Harry Reid Intl Los Angeles

$540Multiple Airlines

Thu, Dec 3 - Sat, Dec 12

5:30 am - 12:25 pmSEA Seattle/Tacoma Intl-TWF Twin Falls Joslin

5h 55m1 stop Salt Lake City

1:17 pm - 7:12 pmTWF Twin Falls Joslin-SEA Seattle/Tacoma Intl

6h 55m2 stops Salt Lake City Portland

$701Delta

Thu, Dec 3 - Sat, Dec 12

5:30 am - 12:25 pmSEA Seattle/Tacoma Intl-TWF Twin Falls Joslin

5h 55m1 stop Salt Lake City

1:17 pm - 7:12 pmTWF Twin Falls Joslin-SEA Seattle/Tacoma Intl

6h 55m2 stops Salt Lake City Portland

$711Delta

Thu, Dec 3 - Sat, Dec 12

5:30 am - 12:25 pmSEA Seattle/Tacoma Intl-TWF Twin Falls Joslin

5h 55m1 stop Salt Lake City

1:17 pm - 7:12 pmTWF Twin Falls Joslin-SEA Seattle/Tacoma Intl

6h 55m2 stops Salt Lake City Portland

$741Delta

Thu, Nov 5 - Mon, Nov 9

5:30 am - 12:25 pmSEA Seattle/Tacoma Intl-TWF Twin Falls Joslin

5h 55m1 stop Salt Lake City

1:17 pm - 6:41 pmTWF Twin Falls Joslin-SEA Seattle/Tacoma Intl

6h 24m1 stop Salt Lake City

$1,221Delta

Thu, Dec 3 - Sat, Dec 12

12:25 pm - 10:26 pmSEA Seattle/Tacoma Intl-TWF Twin Falls Joslin

9h 01m2 stops Portland Salt Lake City

1:17 pm - 7:12 pmTWF Twin Falls Joslin-SEA Seattle/Tacoma Intl

6h 55m2 stops Salt Lake City Portland

$1,470Delta

Thu, Nov 5 - Mon, Nov 9

1:45 pm - 10:20 pmSEA Seattle/Tacoma Intl-TWF Twin Falls Joslin

7h 35m2 stops Portland Salt Lake City

1:17 pm - 7:05 pmTWF Twin Falls Joslin-SEA Seattle/Tacoma Intl

6h 48m2 stops Salt Lake City Portland

$1,780Delta

Thu, Dec 3 - Sat, Dec 12

12:25 pm - 10:26 pmSEA Seattle/Tacoma Intl-TWF Twin Falls Joslin

9h 01m2 stops Portland Salt Lake City

1:17 pm - 7:12 pmTWF Twin Falls Joslin-SEA Seattle/Tacoma Intl

6h 55m2 stops Salt Lake City Portland

$1,856Delta

Booking Insights

Price, demand and travel trends for Seattle to Twin Falls flights

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

Prices

Airlines

Layovers

How much is a round-trip flight from Seattle to Twin Falls? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Seattle to Twin Falls departing in december.

Find deals

Low season	February
High season	May
Cheapest flight	$326

Beat the crowds with an average 83% drop in travelers.

The most popular month to fly with an average 50% increase in travelers.

Round-trip flight from Seattle to Twin Falls

When to book flights from Seattle to Twin Falls

Are your dates flexible? Find out the best times to travel from Seattle to Twin Falls 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 Twin Falls?
Only Economy Class is available on flights from Seattle to Twin Falls.
Do I need a passport to fly from Seattle to Twin Falls?
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 Twin Falls flight?
Round-trip flights from Seattle to Twin Falls range from $512 to $672, with an average of $626 over the past 12 months. Anything below $512 counts as a good deal.
Have flight prices from Seattle to Twin Falls changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $326 to $2,801. That means the highest observed fare was about 9x higher than the lowest one.
Which airports can I use when flying from Seattle to Twin Falls?
Flights from Seattle to Twin Falls usually depart from Seattle/Tacoma Intl (SEA) and arrive at Twin Falls Joslin (TWF).
Which airports do connecting flights from Seattle to Twin Falls pass through?
Most connecting flights from Seattle to Twin Falls pass through Salt Lake City (SLC), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Seattle to Twin Falls?
Yes. Flexible dates can save you up to 55% on flights from Seattle to Twin Falls. Tuesday is the cheapest departure day at $306 round-trip on average, while Sunday is the most expensive at $672, a difference of $366.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Seattle and Twin Falls?
Twin Falls is 1 hour ahead of Seattle (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $306, about $366 less than Sunday fares (54% savings) based on the last 12 months.
If you can choose when to travel, plan your Seattle to Twin Falls trip for October. Fares historically average $306 round-trip in that month - typically $366 less than the most expensive month, which is April (based on the last 12 months).

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SEA - TWF

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Everything you should know

Cheap Flights from Seattle to Twin Falls (SEA-TWF)

Recent round-trip flight deals from Seattle to Twin Falls

Recent one-way flight deals from Seattle to Twin Falls

Price, demand and travel trends for Seattle to Twin Falls flights

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

Which airline is the cheapest to fly from Seattle to Twin Falls?

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

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

Key details for Seattle to Twin Falls flights

Low season

High season

Cheapest flight

When to book flights from Seattle to Twin Falls

Your Seattle to Twin Falls flight questions, answered

Your guide to booking Seattle to Twin Falls flights

More options for your flight from Seattle to Twin Falls

Complete your trip to Twin Falls with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Seattle to Twin Falls

Find direct flights to and from Seattle and Twin Falls

Flights from domestic origins to Twin Falls

Flights to other popular destinations

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