How do I get Price Alerts for flights from Twin Falls to Seattle?

Confirm your travel details to search for the latest offers for flights from Twin Falls to Seattle . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Twin Falls to Seattle with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

When did momondo last update prices for flights from Twin Falls Joslin Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Twin Falls Joslin Airport to Seattle/Tacoma Intl Airport are updated daily.

How many operators does momondo search for flights from Twin Falls Joslin Airport to Seattle/Tacoma Intl Airport?

As of December 2025, there is 1 operator available to choose from for flights from Twin Falls Joslin Airport to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Twin Falls Joslin Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Twin Falls Joslin Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$366 Cheap Flights from Twin Falls to Seattle in 2025/26

1 adult

0 bags

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Find the cheapest flights from Twin Falls to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 6:29 pm

TWF

SEA

3h 49m1 stop

9:25 am - 3:00 pm

SEA

TWF

4h 35m1 stop

$366Delta

Thu, Jan 15 - Wed, Jan 21

3:40 pm - 6:29 pm

TWF

SEA

3h 49m1 stop

9:25 am - 3:00 pm

SEA

TWF

4h 35m1 stop

$376Delta

Tue, Jan 13 - Mon, Jan 19

3:40 pm - 6:29 pm

TWF

SEA

3h 49m1 stop

9:25 am - 3:00 pm

SEA

TWF

4h 35m1 stop

$442Delta

Fri, Jan 23 - Sun, Jan 25

3:40 pm - 6:29 pm

TWF

SEA

3h 49m1 stop

7:25 am - 3:00 pm

SEA

TWF

6h 35m2 stops

$612Delta

Tue, Jan 13 - Mon, Jan 19

6:10 am - 9:25 am

TWF

SEA

4h 15m1 stop

7:25 am - 3:00 pm

SEA

TWF

6h 35m2 stops

$666Delta

Thu, Jan 15 - Wed, Jan 21

6:10 am - 12:20 pm

TWF

SEA

7h 10m2 stops

7:25 am - 3:00 pm

SEA

TWF

6h 35m2 stops

$901Delta

Sat, Jan 17 - Sat, Jan 24

6:10 am - 12:20 pm

TWF

SEA

7h 10m2 stops

7:25 am - 3:00 pm

SEA

TWF

6h 35m2 stops

$986Delta

Fri, Jan 23 - Sun, Jan 25

6:10 am - 12:20 pm

TWF

SEA

7h 10m2 stops

7:25 am - 3:00 pm

SEA

TWF

6h 35m2 stops

$1,027Delta

Tue, Jan 13 - Mon, Jan 19

6:10 am - 12:20 pm

TWF

SEA

7h 10m2 stops

7:25 am - 3:00 pm

SEA

TWF

6h 35m2 stops

$1,040Delta

Thu, Jan 15 - Wed, Jan 21

Delta flights from Twin Falls to Seattle

Our best Delta deals on Twin Falls to Seattle flight tickets

Delta

Jan 15

TWF3:40 pmTwin Falls Joslin

3h 49m

1 stop

SEA6:29 pmSeattle/Tacoma Intl

Jan 21

SEA9:25 amSeattle/Tacoma Intl

4h 35m

1 stop

TWF3:00 pmTwin Falls Joslin

$366

Find similar

Delta

Jan 13

TWF3:40 pmTwin Falls Joslin

3h 49m

1 stop

SEA6:29 pmSeattle/Tacoma Intl

Jan 19

SEA9:25 amSeattle/Tacoma Intl

4h 35m

1 stop

TWF3:00 pmTwin Falls Joslin

$376

Find similar

Delta

Jan 23

TWF3:40 pmTwin Falls Joslin

3h 49m

1 stop

SEA6:29 pmSeattle/Tacoma Intl

Jan 25

SEA9:25 amSeattle/Tacoma Intl

4h 35m

1 stop

TWF3:00 pmTwin Falls Joslin

$442

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Thu 1/15

3:40 pm-6:29 pm

1 stop3h 49m

Seattle/Tacoma Intl

Wed 1/21

9:25 am-3:00 pm

1 stop4h 35m

$366

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Tue 1/13

3:40 pm-6:29 pm

1 stop3h 49m

Seattle/Tacoma Intl

Mon 1/19

9:25 am-3:00 pm

1 stop4h 35m

$376

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Fri 1/23

3:40 pm-6:29 pm

1 stop3h 49m

Seattle/Tacoma Intl

Sun 1/25

9:25 am-3:00 pm

1 stop4h 35m

$442

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Tue 1/13

3:40 pm-6:29 pm

1 stop3h 49m

Seattle/Tacoma Intl

Mon 1/19

7:25 am-3:00 pm

2 stops6h 35m

$612

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Thu 1/15

6:10 am-9:25 am

1 stop4h 15m

Seattle/Tacoma Intl

Wed 1/21

7:25 am-3:00 pm

2 stops6h 35m

$666

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Sat 1/17

6:10 am-12:20 pm

2 stops7h 10m

Seattle/Tacoma Intl

Sat 1/24

7:25 am-3:00 pm

2 stops6h 35m

$901

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Fri 1/23

6:10 am-12:20 pm

2 stops7h 10m

Seattle/Tacoma Intl

Sun 1/25

7:25 am-3:00 pm

2 stops6h 35m

$986

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Tue 1/13

6:10 am-12:20 pm

2 stops7h 10m

Seattle/Tacoma Intl

Mon 1/19

7:25 am-3:00 pm

2 stops6h 35m

$1,027

Twin FallsSeattle

TWF - SEA

TWFSEA

Twin Falls Joslin

Thu 1/15

6:10 am-12:20 pm

2 stops7h 10m

Seattle/Tacoma Intl

Wed 1/21

7:25 am-3:00 pm

2 stops6h 35m

$1,040

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Twin Falls to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Twin Falls to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Twin Falls to Seattle (TWF to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Twin Falls to Seattle

Fastest flight time	3h 49m
Direct flights	None

The fastest flight from Twin Falls to Seattle takes 3h 49m

There are no direct flights from Twin Falls to Seattle. There are no popular flight routes from Twin Falls to Seattle.

Search flight deals

How far is Twin Falls Joslin to Seattle/Tacoma Intl by plane?
There are 518.3 mi between Twin Falls Joslin and Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 3h 49m.
When did momondo last update prices for flights from Twin Falls Joslin Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Twin Falls Joslin Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Twin Falls Joslin Airport to Seattle/Tacoma Intl Airport?
As of December 2025, there is 1 operator available to choose from for flights from Twin Falls Joslin Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Twin Falls Joslin Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Twin Falls Joslin Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Twin Falls to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Twin Falls to Seattle is Delta (100% of total bookings).

Best airlines flying from Twin Falls to Seattle

Compare and see reviews for airlines that fly from Twin Falls to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $416	Free Cancellation	Rating 7.9 8,021 reviews		Search Delta flights

How do I get Price Alerts for flights from Twin Falls to Seattle?
Confirm your travel details to search for the latest offers for flights from Twin Falls to Seattle. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Twin Falls to Seattle with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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Why use momondo?

Why should I use momondo to find a flight deal from Twin Falls to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Twin Falls to Seattle for you.

Can I find flights from Twin Falls to Seattle with flexible booking policies on momondo?

All flight searches from Twin Falls to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Twin Falls to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Twin Falls.

I’m not ready to book a flight from Twin Falls to Seattle right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Twin Falls to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.