How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

Historically, on average around 14% of flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced a delay on any given week. The average delay length over the past 12 months has been 149 minutes.

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

2,081 flights are operational weekly from United States to Seattle as of November 2025. The most popular departure day for this route is Fri, with 22% of flights per week taking off on this day.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

According to our data, Hainan Airlines have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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 14m on average. On the other hand, flying from Los Angeles to Seattle takes 2h 50m 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.

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

297 flights are operational daily from United States to Seattle as of November 2025. The most popular departure time for this route is 6:00PM, with 43% of flights per day taking off at noon.

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 44% 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.

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

Delta, United Airlines, and Alaska 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 November 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.

$48 Cheap Flights from the United States to Seattle in 2025/26

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Find the cheapest flights from the United States to Seattle

Round-trip

One-way

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Direct

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

Enter your travel dates to find the best prices.

10:16 am - 12:30 pmDEN-SEA

3h 14mnonstop

1:25 pm - 5:18 pmSEA-DEN

2h 53mnonstop

$65Frontier

Find Deal

Tue, Dec 23 - Wed, Dec 31

10:16 am - 12:30 pmDEN-SEA

3h 14mnonstop

1:00 pm - 4:53 pmSEA-DEN

2h 53mnonstop

$68Frontier

Find Deal

Fri, Dec 19 - Tue, Jan 6

7:35 am - 9:52 amSFO-SEA

2h 17mnonstop

12:45 pm - 4:24 pmSEA-SFO

3h 39m1 stop

$125Alaska Airlines

Find Deal

Tue, Dec 9 - Tue, Dec 9

2:58 pm - 6:43 pmSFO-SEA

3h 45m1 stop

5:59 pm - 8:12 pmSEA-SFO

2h 13mnonstop

$126Alaska Airlines

Find Deal

Wed, Jan 7 - Mon, Jan 12

6:00 am - 12:57 pmSFO-SEA

6h 57m1 stop

7:10 am - 9:30 amSEA-SFO

2h 20mnonstop

$127Delta

Find Deal

Mon, Dec 15 - Fri, Dec 19

6:00 am - 8:23 amSFO-SEA

2h 23mnonstop

12:35 pm - 2:53 pmSEA-SFO

2h 18mnonstop

$133United Airlines

Find Deal

Sun, Dec 21 - Tue, Dec 23

8:10 am - 10:45 amDFW-SEA

4h 35mnonstop

5:55 pm - 11:45 pmSEA-DFW

3h 50mnonstop

$163Delta

Find Deal

Thu, Jan 8 - Mon, Jan 12

7:16 am - 1:06 pmATL-SEA

8h 50m1 stop

1:47 pm - 11:51 pmSEA-ATL

7h 04m1 stop

$179American Airlines

Find Deal

Wed, Dec 10 - Sun, Dec 14

7:50 pm - 11:15 pmEWR-SEA

6h 25mnonstop

11:45 pm - 7:59 amSEA-EWR

5h 14mnonstop

$198United Airlines

Find Deal

Fri, Jan 9 - Mon, Jan 12

6:00 am - 11:01 amHOU-SEA

7h 01m1 stop

2:09 pm - 10:46 pmSEA-HOU

6h 37m1 stop

$256American Airlines

Find Deal

Sat, Jan 24 - Wed, Jan 28

Frontier flights from United States to Seattle

Our best Frontier deals on United States to Seattle flight tickets

Frontier

Dec 23

DEN10:16 amDenver Intl

3h 14m

SEA12:30 pmSeattle/Tacoma Intl

Dec 31

SEA1:25 pmSeattle/Tacoma Intl

2h 53m

DEN5:18 pmDenver Intl

$65

Find similar

Frontier

Dec 19

DEN10:16 amDenver Intl

3h 14m

SEA12:30 pmSeattle/Tacoma Intl

Jan 5

SEA2:54 pmSeattle/Tacoma Intl

2h 49m

DEN6:43 pmDenver Intl

$68

Find similar

Frontier

Dec 25

DEN10:16 amDenver Intl

3h 14m

SEA12:30 pmSeattle/Tacoma Intl

Dec 31

SEA1:25 pmSeattle/Tacoma Intl

2h 53m

DEN5:18 pmDenver Intl

$69

Find similar

Hawaiian Airlines flights from United States to Seattle

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

Hawaiian Airlines

Dec 11

DEN6:00 amDenver Intl

3h 10m

SEA8:10 amSeattle/Tacoma Intl

Dec 14

SEA8:14 pmSeattle/Tacoma Intl

2h 45m

DEN11:59 pmDenver Intl

$93

Find similar

Hawaiian Airlines

Dec 11

DEN8:20 pmDenver Intl

3h 10m

SEA10:30 pmSeattle/Tacoma Intl

Dec 14

SEA8:14 pmSeattle/Tacoma Intl

2h 45m

DEN11:59 pmDenver Intl

$94

Find similar

Hawaiian Airlines

Dec 2

EWR4:29 pmNewark

6h 19m

SEA7:48 pmSeattle/Tacoma Intl

Dec 6

SEA6:10 amSeattle/Tacoma Intl

5h 16m

EWR2:26 pmNewark

$342

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Tue 12/23

10:16 am-12:30 pm

Nonstop3h 14m

Seattle/Tacoma Intl

Wed 12/31

1:25 pm-5:18 pm

Nonstop2h 53m

$65

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Fri 12/19

10:16 am-12:30 pm

Nonstop3h 14m

Seattle/Tacoma Intl

Tue 1/6

1:00 pm-4:53 pm

Nonstop2h 53m

$68

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 12/9

7:35 am-9:52 am

Nonstop2h 17m

Seattle/Tacoma Intl

Tue 12/9

12:45 pm-4:24 pm

1 stop3h 39m

$125

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 1/7

2:58 pm-6:43 pm

1 stop3h 45m

Seattle/Tacoma Intl

Mon 1/12

5:59 pm-8:12 pm

Nonstop2h 13m

$126

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 12/15

6:00 am-12:57 pm

1 stop6h 57m

Seattle/Tacoma Intl

Fri 12/19

7:10 am-9:30 am

Nonstop2h 20m

$127

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sun 12/21

6:00 am-8:23 am

Nonstop2h 23m

Seattle/Tacoma Intl

Tue 12/23

12:35 pm-2:53 pm

Nonstop2h 18m

$133

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 1/8

8:10 am-10:45 am

Nonstop4h 35m

Seattle/Tacoma Intl

Mon 1/12

5:55 pm-11:45 pm

Nonstop3h 50m

$163

AtlantaSeattle

ATL - SEA

ATLSEA

Atlanta Hartsfield-Jackson

Wed 12/10

7:16 am-1:06 pm

1 stop8h 50m

Seattle/Tacoma Intl

Sun 12/14

1:47 pm-11:51 pm

1 stop7h 04m

$179

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 1/9

7:50 pm-11:15 pm

Nonstop6h 25m

Seattle/Tacoma Intl

Mon 1/12

11:45 pm-7:59 am

Nonstop5h 14m

$198

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 1/24

6:00 am-11:01 am

1 stop7h 01m

Seattle/Tacoma Intl

Wed 1/28

2:09 pm-10:46 pm

1 stop6h 37m

$256

Flights are sorted by cheapest round-trip flights first.

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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

Delays

Other information

What is the cheapest month to fly to Seattle?

In general, October 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 $287. If you don’t want to visit Seattle in October, then you should wait until September to fly from United States, when ticket prices are also cheap, with an average price of $317.

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 $474. 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 $567.

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 $388 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $572. 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 Denver 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 $416 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 $355 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	$99
Fastest flight time	1h 50m
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 $99. The best round-trip flight deal from United States to Seattle found on momondo in the last 72 hours is $116.

The fastest flight from United States to Seattle takes 1h 50m

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 November 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 16.17% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 15.85%, Boeing 737 MAX 9 at 15.19%, and Airbus A321neo at 9.06%.

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 $50	Free Cancellation	Rating 5.8 3,102 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $58	Free Cancellation	Rating 6.3 8,157 reviews	Search Spirit Airlines flights
Delta	PriceFrom $98	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $103	Free Cancellation	Rating 7.8 2,811 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $123	Free Cancellation	Rating 8.0 4,251 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $125	Free Cancellation	Rating 8.0 11,326 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $131	Free Cancellation	Rating 7.4 9,030 reviews	Search United Airlines flights
JetBlue	PriceFrom $136	Free Cancellation	Rating 7.2 2,902 reviews	Search JetBlue flights
Sun Country Air	PriceFrom $167	Free Cancellation	Rating 6.9 334 reviews	Search Sun Country Air flights
American Airlines	PriceFrom $174	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights

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SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Lakewood

Federal Way

Fife

Cle Elum

Centralia

Kirkland

Westport

Shoreline

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 $48

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 12/9. 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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Filter for what you want

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

Frontier flights from United States to Seattle

Our best Frontier deals on United States to Seattle flight tickets

Hawaiian Airlines flights from United States to Seattle

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

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

See travel insights to Seattle from

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 Denver 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?

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

What airlines fly to Seattle?

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

Historically, on average around 14% of flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced a delay on any given week. The average delay length over the past 12 months has been 149 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

According to our data, Hainan Airlines have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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

297 flights are operational daily from United States to Seattle as of November 2025. The most popular departure time for this route is 6:00PM, with 43% of flights per day taking off at noon.

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

2,081 flights are operational weekly from United States to Seattle as of November 2025. The most popular departure day for this route is Fri, with 22% 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