HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$271+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
TWF — SEA
Aug 14 — Aug 211
Fri 8/14
Fri 8/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Twin Falls to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 July 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/71:45 pm
TWF
-
SEA
1 stop22h 19m
Multiple Airlines
Thu 8/138:53 pm
SEA
-
TWF
1 stop14h 07m
Multiple Airlines
Deal found 7/11$271
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/201:45 pm
TWF
-
SEA
1 stop21h 54m
Multiple Airlines
Sun 7/268:53 pm
SEA
-
TWF
1 stop14h 07m
Multiple Airlines
Deal found 7/12$435
This Delta deal was found by Cheapflights users on 7/11. 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.
Mon 8/1011:37 am
TWF
-
SEA
1 stop6h 17m
Delta
Mon 8/177:25 am
SEA
-
TWF
2 stops6h 15m
Delta
Deal found 7/11$676
This Delta deal was found by Cheapflights users on 7/13. 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.
Wed 9/161:17 pm
TWF
-
SEA
1 stop6h 19m
Delta
Fri 9/185:45 am
SEA
-
TWF
1 stop5h 38m
Delta
Deal found 7/13$747
This Delta deal was found by Cheapflights users on 7/12. 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.
Sun 8/911:37 am
TWF
-
SEA
2 stops8h 28m
Delta
Sun 8/165:45 am
SEA
-
TWF
1 stop4h 02m
Delta
Deal found 7/12$877

Find 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 July 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(Kiwi.com)
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 July 15, 2026.
Use the filters below to find and compare flights from Twin Falls to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Fri 8/7

1:45 pm-11:04 am

1 stop22h 19m

Seattle/Tacoma Intl

Thu 8/13

8:53 pm-12:00 pm

1 stop14h 07m

$271

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Mon 8/10

11:37 am-4:54 pm

1 stop6h 17m

Seattle/Tacoma Intl

Mon 8/17

7:25 am-2:40 pm

2 stops6h 15m

$676
Quickest round-trip

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Sun 8/9

11:37 am-7:05 pm

2 stops8h 28m

Seattle/Tacoma Intl

Sun 8/16

5:45 am-10:47 am

1 stop4h 02m

$877

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Fri 8/7

11:37 am-7:05 pm

2 stops8h 28m

Seattle/Tacoma Intl

Thu 8/13

7:25 am-2:40 pm

2 stops6h 15m

$945
Cheapest one-way

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Tue 7/28

11:35 am-4:28 pm

1 stop5h 53m

$278
Quickest one-way

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Tue 7/21

6:15 am-9:02 am

1 stop3h 47m

$378

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Thu 7/23

11:35 am-2:35 pm

1 stop4h 00m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Sorted by cheapest first

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Twin Falls-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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.

  • 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.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Lacey
Leavenworth
Olympia
Ocean Shores
Edmonds
Snoqualmie
Tumwater
Tukwila
Renton
Kent
Lynnwood
Puyallup
Ellensburg
Fife
Marysville
Lakewood
Issaquah
Shoreline

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights