$436+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
TWF — SEA
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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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
Best
Last-minute
One-way
Cheapest flights from Twin Falls to SeattleExplore 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 September 17, 2026.
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 September 17, 2026.
This Delta deal was found by Cheapflights users on 9/17. 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 11/31:17 pm -
1 stop6h 45m
Sat 11/77:15 am -
1 stop4h 10m
Deal found 9/17![Delta logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:45 pm -
2 stops20h 18m
Sun 11/299:53 pm -
1 stop13h 07m
Deal found 9/13![Multiple Airlines logo]()
$532
This Delta deal was found by Cheapflights users on 9/15. 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 9/291:17 pm -
1 stop6h 19m
Sun 10/45:45 am -
1 stop5h 38m
Deal found 9/15![Delta logo]()
$807
This Delta deal was found by Cheapflights users on 9/12. 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.
Tue 9/291:17 pm -
1 stop4h 33m
Sat 10/31:30 pm -
2 stops7h 48m
Deal found 9/12![Delta logo]()
$831
Best flights from Twin Falls to SeattleDiscover carefully curated flight deals from Twin Falls to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Twin Falls to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Delta deal was found by Cheapflights users on 9/15. 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 9/291:17 pm -
1 stop6h 19m
Sun 10/45:45 am -
1 stop5h 38m
Deal found 9/15![Delta logo]()
$807
This Delta deal was found by Cheapflights users on 9/15. 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 9/301:17 pm -
1 stop4h 33m
Sun 10/45:45 am -
1 stop5h 38m
Deal found 9/15![Delta logo]()
$807
This Delta deal was found by Cheapflights users on 9/12. 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.
Tue 9/291:17 pm -
1 stop4h 33m
Sat 10/31:30 pm -
2 stops7h 48m
Deal found 9/12![Delta logo]()
$831
This Delta deal was found by Cheapflights users on 9/14. 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 9/291:17 pm -
1 stop6h 19m
Fri 10/25:45 am -
1 stop5h 38m
Deal found 9/14![Delta logo]()
$1,248
Last-minute flights from Twin Falls to SeattleDiscover last-minute flight deals from Twin Falls to Seattle. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Twin Falls to Seattle. Data last updated September 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/15. 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 9/291:17 pm -
1 stop6h 19m
Sun 10/45:45 am -
1 stop5h 38m
Deal found 9/15![Delta logo]()
$807
This Delta deal was found by Cheapflights users on 9/12. 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.
Tue 9/291:17 pm -
1 stop4h 33m
Sat 10/31:30 pm -
2 stops7h 48m
Deal found 9/12![Delta logo]()
$831
This Delta deal was found by Cheapflights users on 9/15. 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 10/201:17 pm -
1 stop4h 38m
Fri 10/235:30 am -
1 stop5h 55m
Deal found 9/15![Delta logo]()
$1,028
One-way flights from Twin Falls to SeattleSearch for one-way flight options from Twin Falls to Seattle. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Twin Falls to Seattle. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Delta deal was found by Cheapflights users on 9/15. 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 9/221:17 pm -
1 stop6h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$453
This Delta deal was found by Cheapflights users on 9/12. 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.
Tue 10/136:05 am -
2 stops8h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$661
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $436 (Delta) |
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 7,457,451 searches. Data last updated September 17, 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
Cheapest round-trip
Quickest round-trip
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Tue 9/22
1:17 pm-6:36 pm
1 stop6h 19m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$453
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Tue 10/13
6:05 am-1:39 pm
2 stops8h 34m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$661
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Tue 9/29
1:17 pm-6:36 pm
1 stop6h 19m
Seattle/Tacoma Intl
Sun 10/4
5:45 am-12:23 pm
1 stop5h 38m
$807
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Wed 9/30
1:17 pm-4:50 pm
1 stop4h 33m
Seattle/Tacoma Intl
Sun 10/4
5:45 am-12:23 pm
1 stop5h 38m
$807
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Tue 9/29
1:17 pm-4:50 pm
1 stop4h 33m
Seattle/Tacoma Intl
Sat 10/3
1:30 pm-10:18 pm
2 stops7h 48m
$831
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Tue 9/29
1:17 pm-6:36 pm
1 stop6h 19m
Seattle/Tacoma Intl
Fri 10/2
5:45 am-12:23 pm
1 stop5h 38m
$1,248
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
TWF-SEA
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
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Tacoma
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Lynnwood
Centralia
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