How many flights depart from United States to Seattle on average per week?

2,397 flights are operational weekly from United States to Seattle as of August 2025. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.

What airlines fly to Seattle?

Alaska Airlines, Delta and Frontier are the top three most popular airlines that fly to Seattle from United States according to our data. Alaska Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 10 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

How many flights depart from United States to Seattle on average per day?

342 flights are operational daily from United States to Seattle as of August 2025. The most popular departure time for this route is 6:00PM, with 41% of flights per day taking off at noon.

How long does it take to fly to Seattle?

Flight times vary depending on what airport in United States you fly out of and what airport in Seattle you fly into. For example, flying from San Francisco to Seattle takes 2h 07m on average. On the other hand, flying from Los Angeles to Seattle takes 2h 51m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What is the cheapest airline that flies from United States to Seattle/Tacoma Intl?

Alaska Airlines, Frontier, and Hawaiian Airlines are the most popular carriers operating from United States to Seattle/Tacoma Intl

When did momondo last update prices for flights from United States to Seattle/Tacoma Intl Airport?

Prices for flights from United States to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from United States to Seattle/Tacoma Intl Airport?

As of August 2025, there are 10 operators available to choose from for flights from United States to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from United States 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 United States to Seattle/Tacoma Intl Airport.

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

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$73 Cheap Flights from the United States to Seattle in 2025

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Find the cheapest flights from the United States to Seattle

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from the United States to Seattle

2:15 pm - 5:33 pmPHX-SEA

3h 18mnonstop

8:31 pm - 11:31 pmSEA-PHX

3h 00mnonstop

$105Frontier

Find Deal

Fri, Sep 12 - Fri, Sep 19

6:05 am - 9:20 amPHX-SEA

3h 15mnonstop

8:31 pm - 11:31 pmSEA-PHX

3h 00mnonstop

$107Frontier

Find Deal

Sun, Sep 28 - Thu, Oct 2

2:25 pm - 4:43 pmSJC-SEA

2h 18mnonstop

8:27 am - 10:53 amSEA-SJC

2h 26mnonstop

$137Delta

Find Deal

Sat, Sep 13 - Tue, Sep 16

11:48 am - 5:53 pmSFO-SEA

6h 05m1 stop

7:59 pm - 10:14 pmSEA-SFO

2h 15mnonstop

$141Alaska Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 13

9:30 am - 2:26 pmSJC-SEA

4h 56m1 stop

4:50 pm - 7:00 pmSEA-SJC

2h 10mnonstop

$141Alaska Airlines

Find Deal

Tue, Sep 30 - Tue, Sep 30

4:44 pm - 7:00 pmSFO-SEA

2h 16mnonstop

9:20 pm - 11:29 pmSEA-SFO

2h 09mnonstop

$148Delta

Find Deal

Sat, Sep 13 - Mon, Sep 15

6:00 am - 2:34 pmSJC-SEA

8h 34m1 stop

10:45 am - 6:29 pmSEA-SJC

7h 44m1 stop

$159American Airlines

Find Deal

Tue, Sep 30 - Tue, Oct 7

6:45 am - 9:21 amORD-SEA

4h 36mnonstop

3:00 pm - 9:02 pmSEA-ORD

4h 02mnonstop

$191American Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 17

7:45 am - 10:45 amEWR-SEA

6h 00mnonstop

6:30 am - 2:52 pmSEA-EWR

5h 22mnonstop

$236United Airlines

Find Deal

Mon, Sep 15 - Wed, Sep 24

6:59 pm - 10:08 pmEWR-SEA

6h 09mnonstop

8:45 am - 8:30 pmSEA-EWR

8h 45m1 stop

$248United Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

Alaska Airlines flights from United States to Seattle

Our best Alaska Airlines deals on United States to Seattle flight tickets

Alaska Airlines

Sep 13

SFO11:48 amSan Francisco

6h 05m

1 stop

SEA5:53 pmSeattle/Tacoma Intl

Sep 13

SEA7:59 pmSeattle/Tacoma Intl

2h 15m

SFO10:14 pmSan Francisco

$141

Find similar

Alaska Airlines

Sep 16

SJC3:00 pmSan Jose

5h 35m

1 stop

SEA8:35 pmSeattle/Tacoma Intl

Sep 23

SEA12:00 pmSeattle/Tacoma Intl

2h 21m

SJC2:21 pmSan Jose

$147

Find similar

Alaska Airlines

Dec 23

SFO9:41 pmSan Francisco

2h 18m

SEA11:59 pmSeattle/Tacoma Intl

Dec 26

SEA9:35 pmSeattle/Tacoma Intl

2h 19m

SFO11:54 pmSan Francisco

$149

Find similar

JetBlue flights from United States to Seattle

Our best JetBlue deals on United States to Seattle flight tickets

JetBlue

Sep 2

JFK4:30 pmNew York John F Kennedy Intl

6h 28m

SEA7:58 pmSeattle/Tacoma Intl

Sep 6

SEA11:59 pmSeattle/Tacoma Intl

5h 21m

JFK8:20 amNew York John F Kennedy Intl

$212

Find similar

JetBlue

Sep 1

JFK4:30 pmNew York John F Kennedy Intl

6h 28m

SEA7:58 pmSeattle/Tacoma Intl

Sep 6

SEA11:40 pmSeattle/Tacoma Intl

5h 20m

JFK8:00 amNew York John F Kennedy Intl

$247

Find similar

JetBlue

Aug 31

JFK4:55 pmNew York John F Kennedy Intl

6h 30m

SEA8:25 pmSeattle/Tacoma Intl

Sep 4

SEA11:40 pmSeattle/Tacoma Intl

5h 20m

JFK8:00 amNew York John F Kennedy Intl

$255

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Fri 9/12

2:15 pm-5:33 pm

Nonstop3h 18m

Seattle/Tacoma Intl

Fri 9/19

8:31 pm-11:31 pm

Nonstop3h 00m

$105

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sun 9/28

6:05 am-9:20 am

Nonstop3h 15m

Seattle/Tacoma Intl

Thu 10/2

8:31 pm-11:31 pm

Nonstop3h 00m

$107

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 9/13

2:25 pm-4:43 pm

Nonstop2h 18m

Seattle/Tacoma Intl

Tue 9/16

8:27 am-10:53 am

Nonstop2h 26m

$137

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 9/13

11:48 am-5:53 pm

1 stop6h 05m

Seattle/Tacoma Intl

Sat 9/13

7:59 pm-10:14 pm

Nonstop2h 15m

$141

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 9/30

9:30 am-2:26 pm

1 stop4h 56m

Seattle/Tacoma Intl

Tue 9/30

4:50 pm-7:00 pm

Nonstop2h 10m

$141

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 9/13

4:44 pm-7:00 pm

Nonstop2h 16m

Seattle/Tacoma Intl

Mon 9/15

9:20 pm-11:29 pm

Nonstop2h 09m

$148

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 9/30

6:00 am-2:34 pm

1 stop8h 34m

Seattle/Tacoma Intl

Tue 10/7

10:45 am-6:29 pm

1 stop7h 44m

$159

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 9/10

6:45 am-9:21 am

Nonstop4h 36m

Seattle/Tacoma Intl

Wed 9/17

3:00 pm-9:02 pm

Nonstop4h 02m

$191

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Mon 9/15

7:45 am-10:45 am

Nonstop6h 00m

Seattle/Tacoma Intl

Wed 9/24

6:30 am-2:52 pm

Nonstop5h 22m

$236

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 8/30

6:59 pm-10:08 pm

Nonstop6h 09m

Seattle/Tacoma Intl

Sat 9/6

8:45 am-8:30 pm

1 stop8h 45m

$248

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How to get the cheapest flight ticket from United States to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Seattle?

In general, September is the cheapest month to fly from United States to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $337. If you don’t want to visit Seattle in September, then you should wait until October to fly from United States, when ticket prices are also cheap, with an average price of $352.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from United States is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $469. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from United States because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $569.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from United States in the evening is the least expensive time of day to depart. momondo users have found prices as low as $404 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $569. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest United States to Seattle/Tacoma Intl flight route?

Fly from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl for the best United States - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $415 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from United States for as low as $351 on momondo.

What cabin class options are available on United States to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on United States to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Seattle flights?

No. A direct flight is the cheapest option for a flight between United States to Seattle.

Cheap United States to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Seattle

Best Price Found	$73
Fastest flight time	2h 07m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from United States in the past 72 hours is $73. The best round-trip flight deal from United States to Seattle found on momondo in the last 72 hours is $105.

The fastest flight from United States to Seattle takes 2h 07m

Direct flights go from United States to Seattle every day.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Search flight deals

When did momondo last update prices for flights from United States to Seattle/Tacoma Intl Airport?
Prices for flights from United States to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from United States to Seattle/Tacoma Intl Airport?
As of August 2025, there are 10 operators available to choose from for flights from United States to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from United States 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 United States to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United States to Seattle?
momondo data reveals that the most frequently booked plane model on the route from United States to Seattle is Boeing 737-900 Passenger/BBJ3 (winglets), representing 18.16% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 18.15%, Boeing 737 MAX 9 at 16.88%, and Boeing 737 at 10.08%.

Best airlines flying from United States to Seattle

Compare and see reviews for airlines that fly from United States to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $38	Free Cancellation	Rating 5.8 3,212 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $40	Free Cancellation	Rating 6.3 8,038 reviews	Search Spirit Airlines flights
Delta	PriceFrom $97	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $103	Free Cancellation	Rating 7.8 2,664 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $116	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $118	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $127	Free Cancellation	Rating 7.4 8,925 reviews	Search United Airlines flights
JetBlue	PriceFrom $135	Free Cancellation	Rating 7.2 2,915 reviews	Search JetBlue flights
Sun Country Air	PriceFrom $153	Free Cancellation	Rating 6.9 333 reviews	Search Sun Country Air flights
American Airlines	PriceFrom $157	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Olympia

Renton

Kent

Lynnwood

Federal Way

Puyallup

Marysville

Tukwila

Kirkland

Lakewood

Centralia

Shoreline

Cle Elum

Fife

Westport

Redmond

Why use momondo?

Why should I use momondo to find a flight deal from United States 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 United States to Seattle for you.

Can I find flights from United States to Seattle with flexible booking policies on momondo?

Flights from United States to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from United States to Seattle?

Once all potential United States to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Seattle from United States. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from the United States to Seattle from $73

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Seattle departing on 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Find the cheapest flights from the United States to Seattle

Recent round-trip flight deals from the United States to Seattle

Recent one-way flight deals from the United States to Seattle

Recent last minute flight deals from the United States to Seattle

Recent direct flight deals from the United States to Seattle

Alaska Airlines flights from United States to Seattle

Our best Alaska Airlines deals on United States to Seattle flight tickets

JetBlue flights from United States to Seattle

Our best JetBlue deals on United States to Seattle flight tickets

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How to get the cheapest flight ticket from United States to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest time of day to depart on your flight to Seattle?

What is the cheapest United States to Seattle/Tacoma Intl flight route?

Fly from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl for the best United States - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

What cabin class options are available on United States to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on United States to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Seattle flights?

No. A direct flight is the cheapest option for a flight between United States to Seattle.

What is the cheapest airline that flies from United States to Seattle/Tacoma Intl?

Alaska Airlines, Frontier, and Hawaiian Airlines are the most popular carriers operating from United States to Seattle/Tacoma Intl

What airlines fly to Seattle?

How many flights depart from United States to Seattle on average per day?

342 flights are operational daily from United States to Seattle as of August 2025. The most popular departure time for this route is 6:00PM, with 41% of flights per day taking off at noon.

How many flights depart from United States to Seattle on average per week?

2,397 flights are operational weekly from United States to Seattle as of August 2025. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.

How long does it take to fly to Seattle?

Cheap United States to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Seattle

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

When did momondo last update prices for flights from United States to Seattle/Tacoma Intl Airport?

How many operators does momondo search for flights from United States to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from United States to Seattle/Tacoma Intl Airport?

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

What is the most popular plane model from United States to Seattle?

Best airlines flying from United States to Seattle

Compare and see reviews for airlines that fly from United States to Seattle with momondo

Traveling to a place near Seattle?

Why use momondo?

Why should I use momondo to find a flight deal from United States to Seattle?

Can I find flights from United States to Seattle with flexible booking policies on momondo?

How can momondo help me find flights from United States to Seattle?

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

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington