$179+ Cheap flights from Twin Falls to Seattle (TWF - SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
TWF — SEA
Oct 2 — Oct 91
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
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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 2, 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 2, 2026.
This Delta deal was found by Cheapflights users on 8/31. 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.
Sat 10/31:17 pm -
1 stop6h 38m
Sat 10/105:30 am -
1 stop5h 55m
Deal found 8/31![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 8/31. 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.
Sat 11/71:17 pm -
1 stop4h 07m
Sun 11/87:15 am -
1 stop4h 10m
Deal found 8/31![Delta logo]()
$326
This Delta deal was found by Cheapflights users on 8/27. 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.
Sat 9/126:16 am -
1 stop3h 43m
Wed 9/167:15 am -
1 stop4h 08m
Deal found 8/27![Delta logo]()
$646
This Delta deal was found by Cheapflights users on 8/30. 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
Tue 10/65:30 am -
1 stop5h 55m
Deal found 8/30![Delta logo]()
$651
This Delta deal was found by Cheapflights users on 9/1. 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 9/281:17 pm -
1 stop6h 19m
Sat 10/37:15 am -
1 stop4h 08m
Deal found 9/1![Delta logo]()
$681
This Delta deal was found by Cheapflights users on 8/29. 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.
Fri 9/181:17 pm -
1 stop4h 33m
Tue 9/227:15 am -
1 stop4h 08m
Deal found 8/29![Delta logo]()
$706
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 2, 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 2, 2026.
This Delta deal was found by Cheapflights users on 8/31. 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 9/171:17 pm -
1 stop6h 19m
Sun 9/205:45 am -
1 stop5h 38m
Deal found 8/31![Delta logo]()
$646
This Delta deal was found by Cheapflights users on 8/30. 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
Tue 10/65:30 am -
1 stop5h 55m
Deal found 8/30![Delta logo]()
$651
This Delta deal was found by Cheapflights users on 8/31. 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.
Sat 11/71:17 pm -
2 stops6h 48m
Sun 11/85:30 am -
1 stop5h 55m
Deal found 8/31![Delta logo]()
$671
This Delta deal was found by Cheapflights users on 9/1. 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 9/281:17 pm -
1 stop6h 19m
Sat 10/37:15 am -
1 stop4h 08m
Deal found 9/1![Delta logo]()
$681
This Delta deal was found by Cheapflights users on 8/29. 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.
Fri 9/181:17 pm -
1 stop4h 33m
Tue 9/227:15 am -
1 stop4h 08m
Deal found 8/29![Delta logo]()
$706
This Delta deal was found by Cheapflights users on 8/27. 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.
Sat 9/126:16 am -
2 stops7h 21m
Wed 9/167:15 am -
1 stop4h 08m
Deal found 8/27![Delta logo]()
$831
This Delta deal was found by Cheapflights users on 8/30. 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 9/141:17 pm -
1 stop6h 19m
Fri 9/185:45 am -
1 stop5h 38m
Deal found 8/30![Delta logo]()
$1,168
Last-minute flights from Twin Falls to SeattleDiscover last-minute flight deals from Twin Falls to Seattle. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Twin Falls to Seattle. Data last updated September 2, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/27. 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.
Sat 9/126:16 am -
1 stop3h 43m
Wed 9/167:15 am -
1 stop4h 08m
Deal found 8/27![Delta logo]()
$646
This Delta deal was found by Cheapflights users on 8/30. 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 9/141:17 pm -
1 stop6h 19m
Fri 9/185:45 am -
1 stop5h 38m
Deal found 8/30![Delta logo]()
$1,168
This Delta deal was found by Cheapflights users on 8/29. 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.
Fri 9/181:17 pm -
1 stop4h 33m
Tue 9/227:15 am -
1 stop4h 08m
Deal found 8/29![Delta logo]()
$706
This Delta deal was found by Cheapflights users on 9/1. 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 9/281:17 pm -
1 stop6h 19m
Sat 10/37:15 am -
1 stop4h 08m
Deal found 9/1![Delta logo]()
$681
This Delta deal was found by Cheapflights users on 8/30. 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
Tue 10/65:30 am -
1 stop5h 55m
Deal found 8/30![Delta logo]()
$651
This Delta deal was found by Cheapflights users on 8/31. 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.
Sat 10/31:17 pm -
1 stop6h 38m
Sat 10/105:30 am -
1 stop5h 55m
Deal found 8/31![Delta logo]()
$316
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 2, 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 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/161:45 pm -
2 stops30h 00m
Deal found 9/1![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/121:45 pm -
2 stops30h 00m
Deal found 9/1![Multiple Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 9/1. 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.
Sat 10/171:17 pm -
1 stop6h 45m
Deal found 9/1![Delta logo]()
$188
This Delta deal was found by Cheapflights users on 9/1. 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.
Fri 10/161:17 pm -
1 stop6h 35m
Deal found 9/1![Delta logo]()
$198
This Delta deal was found by Cheapflights users on 9/1. 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 10/111:17 pm -
1 stop4h 38m
Deal found 9/1![Delta logo]()
$274
This Delta deal was found by Cheapflights users on 9/1. 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 -
1 stop6h 19m
Deal found 9/1![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 9/1. 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 stops14h 00m
Deal found 9/1![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 9/1. 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 1/121:17 pm -
2 stops22h 18m
Deal found 9/1![Delta logo]()
$327
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 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $316 (Delta) |
One-way from | $179 (Kiwi.com) |
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 2, 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
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Thu 9/17
1:17 pm-6:36 pm
1 stop6h 19m
Seattle/Tacoma Intl
Sun 9/20
5:45 am-12:23 pm
1 stop5h 38m
$646
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
Tue 10/6
5:30 am-12:25 pm
1 stop5h 55m
$651
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Sat 11/7
1:17 pm-7:05 pm
2 stops6h 48m
Seattle/Tacoma Intl
Sun 11/8
5:30 am-12:25 pm
1 stop5h 55m
$671
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Mon 9/28
1:17 pm-6:36 pm
1 stop6h 19m
Seattle/Tacoma Intl
Sat 10/3
7:15 am-12:23 pm
1 stop4h 08m
$681
Quickest round-trip
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Fri 9/18
1:17 pm-4:50 pm
1 stop4h 33m
Seattle/Tacoma Intl
Tue 9/22
7:15 am-12:23 pm
1 stop4h 08m
$706
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Sat 9/12
6:16 am-12:37 pm
2 stops7h 21m
Seattle/Tacoma Intl
Wed 9/16
7:15 am-12:23 pm
1 stop4h 08m
$831
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Mon 9/14
1:17 pm-6:36 pm
1 stop6h 19m
Seattle/Tacoma Intl
Fri 9/18
5:45 am-12:23 pm
1 stop5h 38m
$1,168
Cheapest one-way
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Tue 10/13
1:17 pm-4:55 pm
1 stop4h 38m
$274
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Sun 10/11
6:05 am-10:00 pm
2 stops16h 55m
$332
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Thu 10/15
1:17 pm-12:40 pm
2 stops24h 23m
$342
Showing 1-10 of 12 resultsSorted 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
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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