What is the cheapest airline to fly from Seattle to Twin Falls round-trip?

Cheapflights users have booked flights from Seattle to Twin Falls round-trip from $346.

What is the cheapest day to fly from Seattle to Twin Falls?

Travelers seeking maximum savings on their Seattle to Twin Falls flight should consider departing on Friday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Twin Falls ranges from 0.3 - 1.4 inches per month. May is typically the wettest month, when rainfall can reach 1.4 in. July is typically the driest time to visit Twin Falls when rainfall is around 0.3 in.

If weather is an important factor for your trip to Twin Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 28.4 F).

What is the cheapest time of day to fly from SEA to TWF?

One of the essential ways to save on airfare from Seattle to Twin Falls is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 6% on airfare.

Can I find deals for flights from Seattle to Twin Falls that include hotel bookings?

Yes. In addition to deals on Seattle to Twin Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to Twin Falls?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Twin Falls.

Can I find deals for business class flights from Seattle to Twin Falls?

Yes. Cheapflights offers flight deals from Seattle to Twin Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$343+ Flights from Seattle to Twin Falls

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Cheap flight deals from Seattle to Twin Falls

Round-trip from	$346 (Delta)
One-way from	$343 (Delta)

From Seattle/Tacoma Intl to Twin Falls Joslin

Search Deals

One-way flight from Seattle/Tacoma Intl to Twin Falls Joslin

Search Deals

Find flight deals from Seattle to Twin Falls

Cheapest flights from Seattle to Twin Falls
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 29, 2025.

Thu 8/217:10 amSEA - TWF

1 stop6h 28mDelta

Wed 8/273:20 pmTWF - SEA

1 stop4h 40mDelta

Deal found 7/28

$346

Best flights from Seattle to Twin Falls
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 29, 2025.

Thu 8/217:10 amSEA - TWF

1 stop6h 28mDelta

Wed 8/273:20 pmTWF - SEA

1 stop4h 40mDelta

Deal found 7/28

$346

Last-minute flights from Seattle to Twin Falls
Discover last-minute flight deals from Seattle to Twin Falls. Data last updated July 29, 2025 and is based on user searches.

Tue 8/55:45 pmSEA - TWF

1 stop3h 40mDelta

Sat 8/93:20 pmTWF - SEA

1 stop4h 05mDelta

Deal found 7/29

$496

Thu 8/217:10 amSEA - TWF

1 stop6h 28mDelta

Wed 8/273:20 pmTWF - SEA

1 stop4h 40mDelta

Deal found 7/28

$346

One-way flights from Seattle to Twin Falls
Search for one-way flight options from Seattle to Twin Falls. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Mon 8/115:49 pmSEA - TWF

1 stop3h 41mDelta

Deal found 7/28

$343

Fly from

Fly to

Route

Depart

Return

Price

SeattleTwin Falls

SEA - TWF

SEATWF

Seattle/Tacoma Intl

Thu 8/21

7:10 am-2:38 pm

1 stop6h 28m

Twin Falls Joslin

Wed 8/27

3:20 pm-7:00 pm

1 stop4h 40m

$346

SeattleTwin Falls

SEA - TWF

SEATWF

Seattle/Tacoma Intl

Mon 8/11

5:49 pm-10:30 pm

1 stop3h 41m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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.

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

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.

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,977 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What is the cheapest airline to fly from Seattle to Twin Falls round-trip?
Cheapflights users have booked flights from Seattle to Twin Falls round-trip from $346.
Can I find deals for flights from Seattle to Twin Falls that include hotel bookings?
Yes. In addition to deals on Seattle to Twin Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Twin Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Twin Falls.
Can I find deals for business class flights from Seattle to Twin Falls?
Yes. Cheapflights offers flight deals from Seattle to Twin Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$343+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Twin Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seattle to Twin Falls

Round-trip from

One-way from

Find flight deals from Seattle to Twin Falls

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 29, 2025.

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 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Twin Falls that are best for you.

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.

Reviews of airlines servicing Twin Falls

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.

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.

What is the cheapest airline to fly from Seattle to Twin Falls round-trip?

Can I find deals for flights from Seattle to Twin Falls that include hotel bookings?

How can I find direct flights from Seattle to Twin Falls?

Can I find deals for business class flights from Seattle to Twin Falls?

Traveling to a place near Twin Falls?

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Alternative routes for Seattle to Twin Falls

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Travel Smart

Cheapest flights from Seattle to Twin Falls
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 29, 2025.