Flights to Seattle/Tacoma Intl

$83 Cheap flights to Seattle

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Seattle departing on 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from the United States to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:15 pm - 6:35 pm
LAX
-
SEA
3h 20mnonstop
Frontier Logo
11:03 am - 2:01 pm
SEA
-
LAX
2h 58mnonstop
$134Frontier
Sat, Jun 6 - Wed, Jun 10
Frontier Logo
12:08 pm - 10:36 am
LAX
-
SEA
22h 28m
1 stop
Frontier Logo
11:21 am - 2:18 pm
SEA
-
LAX
2h 57mnonstop
$135Frontier
Thu, Jun 4 - Sat, Jun 6
Delta Logo
5:55 am - 8:05 am
SFO
-
SEA
2h 10mnonstop
Delta Logo
9:39 pm - 11:59 pm
SEA
-
SFO
2h 20mnonstop
$177Delta
Wed, Jul 22 - Wed, Jul 29
Alaska Airlines Logo
1:38 pm - 3:59 pm
SFO
-
SEA
2h 21mnonstop
Alaska Airlines Logo
7:03 am - 9:20 am
SEA
-
SFO
2h 17mnonstop
$188Alaska Airlines
Tue, Jun 16 - Wed, Jun 17
Alaska Airlines Logo
7:03 am - 9:13 am
SFO
-
SEA
2h 10mnonstop
Alaska Airlines Logo
8:42 pm - 10:55 pm
SEA
-
SFO
2h 13mnonstop
$192Alaska Airlines
Tue, Jun 30 - Tue, Jun 30
Delta Logo
2:00 pm - 4:13 pm
SFO
-
SEA
2h 13mnonstop
Delta Logo
7:15 am - 9:31 am
SEA
-
SFO
2h 16mnonstop
$199Delta
Tue, Aug 4 - Sat, Aug 8
United Airlines Logo
6:00 pm - 10:56 pm
DCA
-
SEA
7h 56m
1 stop
United Airlines Logo
11:13 pm - 9:15 am
SEA
-
DCA
7h 02m
1 stop
$308United Airlines
Fri, Sep 25 - Mon, Sep 28
American Airlines Logo
5:27 pm - 12:41 am
EWR
-
SEA
10h 14m
1 stop
American Airlines Logo
11:58 pm - 10:02 am
SEA
-
EWR
7h 04m
1 stop
$312American Airlines
Sat, Jun 6 - Tue, Jun 9
United Airlines Logo
1:10 pm - 7:07 pm
IAD
-
SEA
8h 57m
1 stop
United Airlines Logo
11:04 pm - 7:07 am
SEA
-
IAD
5h 03mnonstop
$312United Airlines
Wed, Aug 12 - Thu, Sep 3
American Airlines Logo
6:50 am - 2:32 pm
EWR
-
SEA
10h 42m
1 stop
American Airlines Logo
11:59 pm - 10:02 am
SEA
-
EWR
7h 03m
1 stop
$313American Airlines
Thu, Aug 27 - Tue, Sep 1

momondo Fare Finder

 
Locate flights to Seattle/Tacoma Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on May 20, 2026.
Use the filters below to find and compare flights to Seattle that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 6/6

3:15 pm-6:35 pm

Nonstop3h 20m

Seattle/Tacoma Intl

Wed 6/10

11:03 am-2:01 pm

Nonstop2h 58m

$134

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 6/4

12:08 pm-10:36 am

1 stop22h 28m

Seattle/Tacoma Intl

Sat 6/6

11:21 am-2:18 pm

Nonstop2h 57m

$135

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 7/22

5:55 am-8:05 am

Nonstop2h 10m

Seattle/Tacoma Intl

Wed 7/29

9:39 pm-11:59 pm

Nonstop2h 20m

$177

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 6/16

1:38 pm-3:59 pm

Nonstop2h 21m

Seattle/Tacoma Intl

Wed 6/17

7:03 am-9:20 am

Nonstop2h 17m

$188
Quickest round-trip

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 6/30

7:03 am-9:13 am

Nonstop2h 10m

Seattle/Tacoma Intl

Tue 6/30

8:42 pm-10:55 pm

Nonstop2h 13m

$192

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 8/4

2:00 pm-4:13 pm

Nonstop2h 13m

Seattle/Tacoma Intl

Sat 8/8

7:15 am-9:31 am

Nonstop2h 16m

$199

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Fri 9/25

6:00 pm-10:56 pm

1 stop7h 56m

Seattle/Tacoma Intl

Mon 9/28

11:13 pm-9:15 am

1 stop7h 02m

$308

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 6/6

5:27 pm-12:41 am

1 stop10h 14m

Seattle/Tacoma Intl

Tue 6/9

11:58 pm-10:02 am

1 stop7h 04m

$312

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 8/12

1:10 pm-7:07 pm

1 stop8h 57m

Seattle/Tacoma Intl

Thu 9/3

11:04 pm-7:07 am

Nonstop5h 03m

$312

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 8/27

6:50 am-2:32 pm

1 stop10h 42m

Seattle/Tacoma Intl

Tue 9/1

11:59 pm-10:02 am

1 stop7h 03m

$313

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

Seattle flights insights and trends

Explore insights for your Seattle flight to craft the best travel plan

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 $307.

What is the absolute cheapest flight to Seattle?

$129 is the cheapest deal found on momondo in the last two weeks for a flight to Seattle. This flight is from Vancouver and is 56% cheaper than most flights to Seattle. To find the cheapest price to Seattle from your area, use momondo’s Airport-to-Airport Pricing Tool.

See prices from:

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 $444. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday 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 $512.

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 $376 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $561. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $424 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 $360 on momondo.

Cheapest flights to Seattle/Tacoma Intl

Find the cheapest flights to Seattle/Tacoma Intl from your nearest city or airport
CHEAPEST MONTH TO FLY TO SEATTLE FROM LOS ANGELESMarch14% cheaperFlying from Los Angeles to Seattle costs on average just $209 in March
MOST EXPENSIVE MONTH TO FLY TO SEATTLE FROM LOS ANGELESJune16% more expensiveIt costs about $281 for flights to Seattle from Los Angeles in June
MOST POPULAR MONTH TO FLY TO SEATTLE FROM LOS ANGELESJuly214% more users visitedMore momondo users searched in flights to Seattle from Los Angeles in July than any other month

Cheap Seattle flight deals and tips

Summary info about Seattle flight prices, duration and airlines

Best One-Way Price

$83

Best Round-Trip Price

$134

Fastest flight time

3h 01m

Popular in

December
The best one-way flight price to Seattle from United States in the last 72 hours is $83 (Los Angeles to Seattle/Tacoma Intl).
The best round-trip flight price to Seattle from United States in the last 72 hours is $134 (Los Angeles to Seattle/Tacoma Intl).
The fastest flight to Seattle from United States takes 3h 01m (Los Angeles to Seattle/Tacoma Intl).
December has the highest demand for flights to Seattle, with a 0% price increase on average.

Frequently asked questions about flying to Seattle

What is there to do in Seattle when it’s raining?

If you are planning a flight to Seattle and are looking to avoid the rain, you should avoid traveling during the months of January, November, and December. These months will typically see 5.1 inches or more of rain, meaning that rain is likely. If you do run into rain while in Seattle, there are still things to do and ways to enjoy your trip. Those looking for a great museum with interesting exhibits should take time out of their trip to Seattle to go see Museum of Pop Culture. Museum of Pop Culture is particularly popular with tourists when the weather in Seattle is not ideal. Shopping centers like Pike Place Market are very popular destinations for those visiting the Seattle area. Pike Place Market is a great place to go if you’re looking to spend some time inside. Popular options when the weather doesn’t cooperate are indoor, family-friendly attractions like aquariums. Seattle has Seattle Aquarium nearby for tourists looking for something to do while avoiding the poor weather.

When is it best to fly to Seattle to go sightseeing?

The city of Seattle has many sights to see while visiting. Many tourists find it ideal to go sightseeing when the weather is warmer, but not blistering. Consider booking your flight to Seattle for October, when temperatures are a bit higher and the chance of rain is relatively low. Many travelers find it worthwhile to visit Pike Place Market, Space Needle, and Seattle Waterfront.

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 83 days ahead of your departure date. In general, you can expect to find flights to Seattle for around $400 when searching 83 days out. Keep in mind that you might be able to find cheaper flights to Seattle at any time. In fact, our users found flights for as low as $317 in the past 72 hours.

Is there an alternative airport near Seattle?

Those flying to Seattle could potentially find better pricing at Seattle Lake Union Spb Airport (1 mi from Seattle city center), Seattle King County/Boeing Airport (6 mi from Seattle city center), Kenmore Air Harbor Airport (9 mi from Seattle city center), Everett Paine Field Airport (21 mi from Seattle city center) or Lopez Island Airport (66 mi from Seattle city center) depending on the month and departure airport.

Is there a cheaper alternative to flying into Seattle?

With an average price of $163 per person, Seattle Lake Union Spb Airport is the cheapest airport to fly into when planning your trip to Seattle. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

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

Prices for flights to Seattle/Tacoma Intl Airport refresh daily.

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

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

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

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Puyallup
Lakewood
Tukwila
Marysville
Cle Elum
Federal Way
Fife
Centralia
Westport
Shoreline
Tumwater

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Seattle. Millions of users trust and use momondo every year so you are in good company.

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

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

How can momondo help me find flights 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 filter your options to help you make an informed choice when booking flights to Seattle.

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

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

An easier way to manage your Seattle/Tacoma Intl 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.
1 adult
Fri 6/19
Fri 6/26

Find better results for your trip to Seattle