$135+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
TWF — SEA
Sep 4 — Sep 111
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 August 5, 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 August 5, 2026.
This Delta deal was found by Cheapflights users on 8/1. 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 9/121:17 pm -
1 stop6h 35m
Sat 9/195:45 am -
1 stop5h 38m
Deal found 8/1![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 8/4. 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 10/221:17 pm -
1 stop4h 38m
Sun 10/255:25 am -
1 stop6h 00m
Deal found 8/4![Delta logo]()
$336
This Delta deal was found by Cheapflights users on 8/5. 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 9/33:26 pm -
1 stop4h 18m
Wed 9/97:15 am -
1 stop4h 08m
Deal found 8/5![Delta logo]()
$502
This Delta deal was found by Cheapflights users on 7/31. 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.
Fri 8/711:37 am -
1 stop4h 13m
Fri 8/145:45 am -
1 stop4h 02m
Deal found 7/31![Delta logo]()
$576
This Delta deal was found by Cheapflights users on 7/31. 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 8/86:16 am -
1 stop3h 41m
Wed 8/125:45 am -
1 stop4h 02m
Deal found 7/31![Delta logo]()
$646
This Delta deal was found by Cheapflights users on 8/3. 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 8/186:16 am -
1 stop3h 41m
Sat 8/227:15 am -
1 stop4h 08m
Deal found 8/3![Delta logo]()
$657
This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 8/93:26 pm -
1 stop4h 18m
Fri 8/145:45 am -
1 stop4h 02m
Deal found 7/31![Delta logo]()
$686
This Delta deal was found by Cheapflights users on 8/1. 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 8/166:16 am -
1 stop3h 41m
Thu 8/205:45 am -
1 stop4h 02m
Deal found 8/1![Delta logo]()
$687
This Delta deal was found by Cheapflights users on 8/2. 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 9/191:17 pm -
1 stop4h 33m
Sat 9/267:15 am -
1 stop4h 08m
Deal found 8/2![Delta logo]()
$690
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 August 5, 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 August 5, 2026.
This Delta deal was found by Cheapflights users on 8/1. 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 9/121:17 pm -
1 stop6h 35m
Sat 9/195:45 am -
1 stop5h 38m
Deal found 8/1![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 8/4. 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 10/221:17 pm -
1 stop4h 38m
Sun 10/255:25 am -
1 stop6h 00m
Deal found 8/4![Delta logo]()
$336
This Delta deal was found by Cheapflights users on 8/3. 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 8/186:16 am -
1 stop3h 41m
Sat 8/227:15 am -
1 stop4h 08m
Deal found 8/3![Delta logo]()
$657
This Delta deal was found by Cheapflights users on 8/1. 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 8/166:16 am -
1 stop3h 41m
Thu 8/205:45 am -
1 stop4h 02m
Deal found 8/1![Delta logo]()
$687
This Delta deal was found by Cheapflights users on 8/2. 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 9/191:17 pm -
1 stop4h 33m
Sat 9/267:15 am -
1 stop4h 08m
Deal found 8/2![Delta logo]()
$690
This Delta deal was found by Cheapflights users on 8/1. 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 8/2111:37 am -
1 stop4h 13m
Mon 8/241:33 pm -
2 stops7h 45m
Deal found 8/1![Delta logo]()
$802
Last-minute flights from Twin Falls to SeattleDiscover last-minute flight deals from Twin Falls to Seattle. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from Twin Falls to Seattle. Data last updated August 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/31. 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.
Fri 8/711:37 am -
1 stop4h 13m
Fri 8/145:45 am -
1 stop4h 02m
Deal found 7/31![Delta logo]()
$576
This Delta deal was found by Cheapflights users on 7/31. 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 8/86:16 am -
1 stop3h 41m
Wed 8/125:45 am -
1 stop4h 02m
Deal found 7/31![Delta logo]()
$646
This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 8/93:26 pm -
1 stop4h 18m
Fri 8/145:45 am -
1 stop4h 02m
Deal found 7/31![Delta logo]()
$686
This Delta deal was found by Cheapflights users on 7/31. 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.
Mon 8/103:26 pm -
1 stop4h 18m
Wed 8/125:45 am -
1 stop4h 02m
Deal found 7/31![Delta logo]()
$786
This Delta deal was found by Cheapflights users on 7/31. 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.
Tue 8/111:17 pm -
1 stop4h 37m
Fri 8/145:45 am -
1 stop4h 02m
Deal found 7/31![Delta logo]()
$766
This Delta deal was found by Cheapflights users on 7/31. 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.
Tue 8/111:17 pm -
1 stop4h 37m
Wed 8/125:45 am -
1 stop4h 02m
Deal found 7/31![Delta logo]()
$866
This Delta deal was found by Cheapflights users on 8/1. 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 8/166:16 am -
1 stop3h 41m
Thu 8/205:45 am -
1 stop4h 02m
Deal found 8/1![Delta logo]()
$687
This Delta deal was found by Cheapflights users on 8/3. 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 8/186:16 am -
1 stop3h 41m
Sat 8/227:15 am -
1 stop4h 08m
Deal found 8/3![Delta logo]()
$657
This Delta deal was found by Cheapflights users on 8/1. 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 8/2111:37 am -
1 stop4h 13m
Mon 8/241:33 pm -
2 stops7h 45m
Deal found 8/1![Delta logo]()
$802
This Delta deal was found by Cheapflights users on 8/1. 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 9/121:17 pm -
1 stop6h 35m
Sat 9/195:45 am -
1 stop5h 38m
Deal found 8/1![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 8/2. 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 9/191:17 pm -
1 stop4h 33m
Sat 9/267:15 am -
1 stop4h 08m
Deal found 8/2![Delta logo]()
$690
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 August 5, 2026.
Search for one-way flight options from Twin Falls to Seattle. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/41:45 pm -
1 stop21h 54m
Deal found 8/4![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/211:45 pm -
1 stop21h 54m
Deal found 8/3![Multiple Airlines logo]()
$173
This Delta deal was found by Cheapflights users on 8/4. 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 9/51:17 pm -
1 stop6h 27m
Deal found 8/4![Delta logo]()
$234
This Delta deal was found by Cheapflights users on 8/4. 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 9/11:17 pm -
1 stop6h 27m
Deal found 8/4![Delta logo]()
$248
This Delta deal was found by Cheapflights users on 8/4. 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 9/36:16 am -
2 stops13h 49m
Deal found 8/4![Delta logo]()
$302
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 August 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $306 (Delta) |
One-way from | $135 (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 2,558,603 searches. Data last updated August 5, 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
Sat 9/12
1:17 pm-6:52 pm
1 stop6h 35m
Seattle/Tacoma Intl
Sat 9/19
5:45 am-12:23 pm
1 stop5h 38m
$306
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Thu 10/22
1:17 pm-4:55 pm
1 stop4h 38m
Seattle/Tacoma Intl
Sun 10/25
5:25 am-12:25 pm
1 stop6h 00m
$336
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Tue 8/18
6:16 am-8:57 am
1 stop3h 41m
Seattle/Tacoma Intl
Sat 8/22
7:15 am-12:23 pm
1 stop4h 08m
$657
Quickest round-trip
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Sun 8/16
6:16 am-8:57 am
1 stop3h 41m
Seattle/Tacoma Intl
Thu 8/20
5:45 am-10:47 am
1 stop4h 02m
$687
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Sat 9/19
1:17 pm-4:50 pm
1 stop4h 33m
Seattle/Tacoma Intl
Sat 9/26
7:15 am-12:23 pm
1 stop4h 08m
$690
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Fri 8/21
11:37 am-2:50 pm
1 stop4h 13m
Seattle/Tacoma Intl
Mon 8/24
1:33 pm-10:18 pm
2 stops7h 45m
$802
Cheapest one-way
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Fri 8/21
1:45 pm-10:39 am
1 stop21h 54m
$173
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Sat 9/5
1:17 pm-6:44 pm
1 stop6h 27m
$234
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Tue 9/1
1:17 pm-6:44 pm
1 stop6h 27m
$248
Quickest one-way
Twin FallsSeattle
TWF Twin Falls Joslin - SEA Seattle/Tacoma Intl
TWFSEA
Twin Falls Joslin
Wed 9/2
11:37 am-4:54 pm
1 stop6h 17m
$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 August.
| 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
Tumwater
Centralia
Marysville
Puyallup
Kent
Ellensburg
Fife
Ocean Shores
Lakewood
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Poulsbo
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