$284+ Cheap flights from Seattle to Twin Falls (SEA - TWF)
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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TWF
Aug 19 — Aug 261
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seattle to Twin Falls 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 Seattle to Twin Falls
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to Twin FallsExplore the most affordable flight options available from Seattle to Twin Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
Explore the most affordable flight options available from Seattle to Twin Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Sun 8/211:54 am
SEA
- TWF
2 stops23h 06m
Multiple Airlines
Fri 8/71:45 pm
TWF
- SEA
1 stop22h 19m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 7/15. 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.
Fri 12/255:45 am
SEA
- TWF
1 stop5h 33m
Delta
Tue 12/291:17 pm
TWF
- SEA
1 stop6h 13m
Delta
Deal found 7/15![Delta logo]()
$436
This Delta deal was found by Cheapflights users on 7/17. 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.
Sat 8/15:30 am
SEA
- TWF
1 stop4h 16m
Delta
Mon 8/311:37 am
TWF
- SEA
1 stop6h 17m
Delta
Deal found 7/17![Delta logo]()
$476
This Delta deal was found by Cheapflights users on 7/15. 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.
Thu 12/245:45 am
SEA
- TWF
1 stop5h 33m
Delta
Mon 12/286:16 am
TWF
- SEA
1 stop5h 47m
Delta
Deal found 7/15![Delta logo]()
$540
This Delta deal was found by Cheapflights users on 7/16. 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 8/85:30 am
SEA
- TWF
1 stop4h 17m
Delta
Fri 8/143:26 pm
TWF
- SEA
1 stop4h 18m
Delta
Deal found 7/16![Delta logo]()
$607
This Delta deal was found by Cheapflights users on 7/18. 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 10/105:35 am
SEA
- TWF
1 stop5h 43m
Delta
Sat 10/176:16 am
TWF
- SEA
1 stop3h 54m
Delta
Deal found 7/18![Delta logo]()
$646
This Delta deal was found by Cheapflights users on 7/17. 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.
Sun 8/25:30 am
SEA
- TWF
1 stop4h 16m
Delta
Thu 8/66:16 am
TWF
- SEA
1 stop3h 41m
Delta
Deal found 7/17![Delta logo]()
$692
This Delta deal was found by Cheapflights users on 7/17. 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.
Sat 7/185:30 am
SEA
- TWF
1 stop4h 16m
Delta
Mon 7/203:25 pm
TWF
- SEA
1 stop4h 08m
Delta
Deal found 7/17![Delta logo]()
$726
Best flights from Seattle to Twin FallsDiscover carefully curated flight deals from Seattle to Twin Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
Discover carefully curated flight deals from Seattle to Twin Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Sun 8/211:54 am
SEA
- TWF
2 stops23h 06m
Multiple Airlines
Fri 8/71:45 pm
TWF
- SEA
1 stop22h 19m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 7/16. 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 8/85:30 am
SEA
- TWF
1 stop4h 17m
Delta
Fri 8/143:26 pm
TWF
- SEA
1 stop4h 18m
Delta
Deal found 7/16![Delta logo]()
$607
This Delta deal was found by Cheapflights users on 7/18. 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 10/105:35 am
SEA
- TWF
1 stop5h 43m
Delta
Sat 10/176:16 am
TWF
- SEA
1 stop3h 54m
Delta
Deal found 7/18![Delta logo]()
$646
This Delta deal was found by Cheapflights users on 7/17. 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.
Sat 8/15:30 am
SEA
- TWF
1 stop4h 16m
Delta
Mon 8/311:37 am
TWF
- SEA
2 stops8h 28m
Delta
Deal found 7/17![Delta logo]()
$741
This Delta deal was found by Cheapflights users on 7/17. 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.
Sun 8/27:26 am
SEA
- TWF
2 stops6h 08m
Delta
Thu 8/63:26 pm
TWF
- SEA
2 stops7h 12m
Delta
Deal found 7/17![Delta logo]()
$1,205
This Delta deal was found by Cheapflights users on 7/18. 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 7/241:37 pm
SEA
- TWF
2 stops7h 40m
Delta
Fri 7/313:25 pm
TWF
- SEA
2 stops7h 31m
Delta
Deal found 7/18![Delta logo]()
$1,416
This Delta deal was found by Cheapflights users on 7/18. 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 8/181:33 pm
SEA
- TWF
2 stops7h 45m
Delta
Sat 8/221:17 pm
TWF
- SEA
2 stops6h 48m
Delta
Deal found 7/18![Delta logo]()
$2,672
Last-minute flights from Seattle to Twin FallsDiscover last-minute flight deals from Seattle to Twin Falls. Data last updated July 20, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Twin Falls. Data last updated July 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/17. 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.
Sat 7/185:30 am
SEA
- TWF
1 stop4h 16m
Delta
Mon 7/203:25 pm
TWF
- SEA
1 stop4h 08m
Delta
Deal found 7/17![Delta logo]()
$726
This Delta deal was found by Cheapflights users on 7/16. 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 7/205:30 am
SEA
- TWF
1 stop4h 16m
Delta
Fri 7/2411:35 am
TWF
- SEA
1 stop4h 00m
Delta
Deal found 7/16![Delta logo]()
$806
This Delta deal was found by Cheapflights users on 7/17. 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.
Sat 8/15:30 am
SEA
- TWF
1 stop4h 16m
Delta
Mon 8/311:37 am
TWF
- SEA
1 stop6h 17m
Delta
Deal found 7/17![Delta logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Sun 8/211:54 am
SEA
- TWF
2 stops23h 06m
Multiple Airlines
Fri 8/71:45 pm
TWF
- SEA
1 stop22h 19m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 7/17. 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.
Sun 8/25:30 am
SEA
- TWF
1 stop4h 16m
Delta
Thu 8/66:16 am
TWF
- SEA
1 stop3h 41m
Delta
Deal found 7/17![Delta logo]()
$692
This Delta deal was found by Cheapflights users on 7/16. 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 8/85:30 am
SEA
- TWF
1 stop4h 17m
Delta
Fri 8/143:26 pm
TWF
- SEA
1 stop4h 18m
Delta
Deal found 7/16![Delta logo]()
$607
This Delta deal was found by Cheapflights users on 7/18. 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 8/185:45 am
SEA
- TWF
1 stop5h 38m
Delta
Sat 8/221:17 pm
TWF
- SEA
1 stop4h 37m
Delta
Deal found 7/18![Delta logo]()
$805
One-way flights from Seattle to Twin FallsSearch for one-way flight options from Seattle to Twin Falls. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
Search for one-way flight options from Seattle to Twin Falls. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Sat 8/157:06 pm
SEA
- TWF
3 stops39h 54m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 7/16. 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 8/155:30 am
SEA
- TWF
1 stop5h 53m
Delta
Deal found 7/16![Delta logo]()
$463
Find flight deals from Seattle to Twin Falls
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Twin Falls (TWF). 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 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $368 (Kiwi.com) |
One-way from | $284 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Twin Falls 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 20, 2026.
Use the filters below to find and compare flights from Seattle to Twin Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleTwin Falls
SEA - TWF
SEATWF
Seattle/Tacoma Intl
Sun 8/2
11:54 am-12:00 pm
2 stops23h 06m
Twin Falls Joslin
Fri 8/7
1:45 pm-11:04 am
1 stop22h 19m
$368
Quickest round-trip
SeattleTwin Falls
SEA - TWF
SEATWF
Seattle/Tacoma Intl
Sat 8/8
5:30 am-10:47 am
1 stop4h 17m
Twin Falls Joslin
Fri 8/14
3:26 pm-6:44 pm
1 stop4h 18m
$607
SeattleTwin Falls
SEA - TWF
SEATWF
Seattle/Tacoma Intl
Sat 10/10
5:35 am-12:18 pm
1 stop5h 43m
Twin Falls Joslin
Sat 10/17
6:16 am-9:10 am
1 stop3h 54m
$646
SeattleTwin Falls
SEA - TWF
SEATWF
Seattle/Tacoma Intl
Sat 8/1
5:30 am-10:46 am
1 stop4h 16m
Twin Falls Joslin
Mon 8/3
11:37 am-7:05 pm
2 stops8h 28m
$741
SeattleTwin Falls
SEA - TWF
SEATWF
Seattle/Tacoma Intl
Sun 8/2
7:26 am-2:34 pm
2 stops6h 08m
Twin Falls Joslin
Thu 8/6
3:26 pm-9:38 pm
2 stops7h 12m
$1,205
SeattleTwin Falls
SEA - TWF
SEATWF
Seattle/Tacoma Intl
Fri 7/24
1:37 pm-10:17 pm
2 stops7h 40m
Twin Falls Joslin
Fri 7/31
3:25 pm-9:56 pm
2 stops7h 31m
$1,416
SeattleTwin Falls
SEA - TWF
SEATWF
Seattle/Tacoma Intl
Tue 8/18
1:33 pm-10:18 pm
2 stops7h 45m
Twin Falls Joslin
Sat 8/22
1:17 pm-7:05 pm
2 stops6h 48m
$2,672
Cheapest one-way
SeattleTwin Falls
SEA - TWF
SEATWF
Seattle/Tacoma Intl
Sat 8/15
7:06 pm-12:00 pm
3 stops39h 54m
$284
Quickest one-way
SeattleTwin Falls
SEA - TWF
SEATWF
Seattle/Tacoma Intl
Sat 8/15
5:30 am-12:23 pm
1 stop5h 53m
$463
Sorted by cheapest first
Compare providers for flights from Seattle to Twin Falls
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 Seattle to Twin Falls in July.
| 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 Seattle-Twin Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Twin Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Twin Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Twin Falls 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 Seattle-Twin Falls 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 Seattle to Twin Falls
Have a flexible travel schedule? Discover the best time to fly to Twin Falls from Seattle with our price prediction graph.
SEA-TWF
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 Twin Falls
Get insights into the airlines that provide service to Twin Falls. 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 Twin Falls. Reviews last updated July 20, 2026.
See what other customers who have flown with Delta from Seattle to Twin Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Seattle to Twin Falls. 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 Twin Falls?
Book flights to Twin Falls if you plan to visit one of these locationsBurley
Jackpot
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Seattle
Popular flights
Twin Falls flight routes
Alternative routes for Seattle to Twin Falls
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Twin Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Twin Falls by cabin class
Find flights from Seattle to Twin Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Twin Falls flights
Browse other Seattle and Twin Falls flight options. Last updated on July 20, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on July 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Twin Falls
Explore flights to Twin Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 20, 2026.
Top airline flying from Seattle to Twin Falls
Discover the top airline that operate flights from Seattle to Twin Falls. 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 July 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$306 | Average$622 | FlexibilityNo cancel fee | On-timeN/A |