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$366+ Cheap flights from Twin Falls to Seattle (TWF - SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
TWF — SEA
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Find flight deals from Twin Falls to Seattle

Cheapest flights from Twin Falls to Seattle
Explore the most affordable flight options available from Twin Falls to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/283:20 pmTWF - SEA
1 stop4h 04mDelta
Sat 11/11:30 pmSEA - TWF
1 stop3h 57mDelta
Deal found 10/13$416
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/163:20 pmTWF - SEA
1 stop4h 04mDelta
Sun 10/197:10 amSEA - TWF
1 stop6h 27mDelta
Deal found 10/11$566

Cheap flight deals from Twin Falls to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Twin Falls (TWF) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$366
(Delta)
Provider with most accurate pricing for Twin Falls Joslin-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Twin Falls Joslin-Seattle/Tacoma Intl flights.
Search Deals
From Twin Falls Joslin to Seattle/Tacoma Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Twin Falls to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 14, 2025.
Use the filters below to find and compare flights from Twin Falls to Seattle that are best for you.

Fly from

Twin Falls

Fly to

Seattle

Route

Depart

Return

Price

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Thu 1/8

6:15 am-9:34 am

1 stop4h 19m

Seattle/Tacoma Intl

Tue 2/10

4:55 pm-10:19 pm

1 stop4h 24m

$366

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Tue 10/28

6:15 am-12:23 pm

2 stops7h 08m

Seattle/Tacoma Intl

Sat 11/1

11:40 am-6:27 pm

2 stops5h 47m

$1,085

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Compare providers for flights from Twin Falls to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Twin Falls to Seattle in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Twin Falls-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Twin Falls-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Twin Falls-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Twin Falls-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Twin Falls-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Twin Falls to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Twin Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated October 14, 2025.
Read through reviews of airlines operating flights from Twin Falls to Seattle, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Twin Falls to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Twin Falls to Seattle?

    Airlines like Delta fly from Twin Falls to Seattle in about 4h 19m. The time it takes to get you to your destination can typically vary by up to . The distance from Twin Falls to Seattle is about 513 mi.

  • Can I find deals for flights from Twin Falls to Seattle that include hotel bookings?

    Yes. In addition to deals on Twin Falls to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Twin Falls to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Twin Falls to Seattle.

  • Can I find deals for business class flights from Twin Falls to Seattle?

    Yes. Cheapflights offers flight deals from Twin Falls to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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Top airline flying from Twin Falls to Seattle

Discover the top airline that operate flights from Twin Falls to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$416Average$478FlexibilityNo cancel feeOn-timeN/A

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