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Cheap flights from San Francisco Bay Area to Seattle from $82

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco Bay Area to Seattle departing on 4/28. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from San Francisco Bay Area to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:34 am - 7:05 pm
SFO
-
SEA
9h 31m
1 stop
Frontier Logo
7:50 pm - 8:01 am
SEA
-
SFO
12h 11m
1 stop
$140Frontier
ج, مايو 22 - ح, مايو 24
Frontier Logo
6:00 am - 9:27 am
SFO
-
SEA
27h 27m
1 stop
Frontier Logo
7:12 pm - 11:25 pm
SEA
-
SFO
28h 13m
1 stop
$141Frontier
ن, أبريل 20 - ث, أبريل 21
Frontier Logo
6:39 pm - 6:35 pm
SJC
-
SEA
23h 56m
1 stop
Frontier Logo
11:06 am - 11:59 am
SEA
-
SJC
24h 53m
1 stop
$151Frontier
ن, مايو 4 - خ, مايو 7
Alaska Airlines Logo
2:00 pm - 4:17 pm
SFO
-
SEA
2h 17mnonstop
Alaska Airlines Logo
8:05 pm - 10:28 pm
SEA
-
SFO
2h 23mnonstop
$152Alaska Airlines
ر, أبريل 22 - ر, أبريل 22
Alaska Airlines Logo
2:34 pm - 4:51 pm
SJC
-
SEA
2h 17mnonstop
Alaska Airlines Logo
11:29 am - 1:40 pm
SEA
-
SJC
2h 11mnonstop
$157Alaska Airlines
ر, يونيو 3 - ث, يونيو 9
United Airlines Logo
12:10 pm - 2:30 pm
SFO
-
SEA
2h 20mnonstop
United Airlines Logo
3:33 pm - 5:47 pm
SEA
-
SFO
2h 14mnonstop
$157United Airlines
ر, يونيو 3 - ر, يونيو 10
Southwest Logo
6:35 am - 8:40 am
OAK
-
SEA
2h 05mnonstop
Southwest Logo
6:40 pm - 8:55 pm
SEA
-
OAK
2h 15mnonstop
$157Southwest
ر, يونيو 3 - ر, يونيو 3
Southwest Logo
5:45 pm - 11:35 pm
OAK
-
SEA
5h 50m
1 stop
Southwest Logo
6:40 pm - 8:55 pm
SEA
-
OAK
2h 15mnonstop
$167Southwest
ر, أبريل 29 - ر, مايو 6
Delta Logo
12:34 pm - 6:30 pm
OAK
-
SEA
5h 56m
1 stop
Delta Logo
11:10 am - 4:24 pm
SEA
-
OAK
5h 14m
1 stop
$177Delta
ث, أبريل 21 - ر, أبريل 22
Delta Logo
7:20 am - 9:50 am
SJC
-
SEA
2h 30mnonstop
Delta Logo
7:50 pm - 10:15 pm
SEA
-
SJC
2h 25mnonstop
$187Delta
ث, أبريل 21 - س, أبريل 25

Alaska Airlines flights from San Francisco Bay Area to Seattle

Our best Alaska Airlines deals on San Francisco Bay Area to Seattle flight tickets
Alaska Airlines
May 12
SFO7:00 amSan Francisco
2h 17m
SEA9:17 amSeattle/Tacoma Intl
May 12
SEA11:50 amSeattle/Tacoma Intl
2h 31m
SFO2:21 pmSan Francisco
$152
Alaska Airlines
Jun 3
SJC8:00 amSan Jose
2h 20m
SEA10:20 amSeattle/Tacoma Intl
Jun 3
SEA5:45 pmSeattle/Tacoma Intl
2h 15m
SJC8:00 pmSan Jose
$157
Alaska Airlines
Jun 23
OAK6:22 amOakland
2h 04m
SEA8:26 amSeattle/Tacoma Intl
Jul 1
SEA7:12 amSeattle/Tacoma Intl
2h 14m
OAK9:26 amOakland
$182

Frontier flights from San Francisco Bay Area to Seattle

Our best Frontier deals on San Francisco Bay Area to Seattle flight tickets
Frontier
May 22
SFO9:34 amSan Francisco
9h 31m
1 stop
SEA7:05 pmSeattle/Tacoma Intl
May 24
SEA7:50 pmSeattle/Tacoma Intl
12h 11m
1 stop
SFO8:01 amSan Francisco
$140
Frontier
Apr 20
SFO6:00 amSan Francisco
27h 27m
1 stop
SEA9:27 amSeattle/Tacoma Intl
Apr 21
SEA7:12 pmSeattle/Tacoma Intl
28h 13m
1 stop
SFO11:25 pmSan Francisco
$141
Frontier
Apr 28
SFO8:40 amSan Francisco
24h 47m
1 stop
SEA9:27 amSeattle/Tacoma Intl
May 5
SEA11:06 amSeattle/Tacoma Intl
9h 58m
1 stop
SFO9:04 pmSan Francisco
$151

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated أبريل 1, 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

ج 5/22

9:34 am-7:05 pm

1 stop9h 31m

Seattle/Tacoma Intl

ح 5/24

7:50 pm-8:01 am

1 stop12h 11m

$140

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

ن 4/20

6:00 am-9:27 am

1 stop27h 27m

Seattle/Tacoma Intl

ث 4/21

7:12 pm-11:25 pm

1 stop28h 13m

$141

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

ن 5/4

6:39 pm-6:35 pm

1 stop23h 56m

Seattle/Tacoma Intl

خ 5/7

11:06 am-11:59 am

1 stop24h 53m

$151

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

ر 4/22

2:00 pm-4:17 pm

Nonstop2h 17m

Seattle/Tacoma Intl

ر 4/22

8:05 pm-10:28 pm

Nonstop2h 23m

$152

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

ر 6/3

2:34 pm-4:51 pm

Nonstop2h 17m

Seattle/Tacoma Intl

ث 6/9

11:29 am-1:40 pm

Nonstop2h 11m

$157

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

ر 6/3

12:10 pm-2:30 pm

Nonstop2h 20m

Seattle/Tacoma Intl

ر 6/10

3:33 pm-5:47 pm

Nonstop2h 14m

$157
Quickest round-trip

OaklandSeattle

OAK - SEA

OAKSEA

Oakland

ر 6/3

6:35 am-8:40 am

Nonstop2h 05m

Seattle/Tacoma Intl

ر 6/3

6:40 pm-8:55 pm

Nonstop2h 15m

$157

OaklandSeattle

OAK - SEA

OAKSEA

Oakland

ر 4/29

5:45 pm-11:35 pm

1 stop5h 50m

Seattle/Tacoma Intl

ر 5/6

6:40 pm-8:55 pm

Nonstop2h 15m

$167

OaklandSeattle

OAK - SEA

OAKSEA

Oakland

ث 4/21

12:34 pm-6:30 pm

1 stop5h 56m

Seattle/Tacoma Intl

ر 4/22

11:10 am-4:24 pm

1 stop5h 14m

$177

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

ث 4/21

7:20 am-9:50 am

Nonstop2h 30m

Seattle/Tacoma Intl

س 4/25

7:50 pm-10:15 pm

Nonstop2h 25m

$187

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from San Francisco Bay Area 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?

In general, February is the cheapest month to fly from San Francisco Bay Area to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $212. If you don’t want to visit Seattle in February, then you should wait until April to fly from San Francisco Bay Area, when ticket prices are also cheap, with an average price of $236.

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

On average, the least expensive day to fly to Seattle from San Francisco Bay Area is on a Friday. momondo users have found tickets for Friday departures for as low as $319. 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 San Francisco Bay Area because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $442.

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

Flying to Seattle from San Francisco Bay Area in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $317 when looking at flights departing in the afternoon. Flights to Seattle are more costly at noon, with an average ticket price of $373. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest San Francisco Bay Area to Seattle/Tacoma Intl flight route?

Fly from San Francisco to Seattle/Tacoma Intl for the best San Francisco Bay Area - 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 San Francisco Bay Area when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $259 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from San Francisco Bay Area for as low as $192 on momondo.

What cabin class options are available on San Francisco Bay Area to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on San Francisco Bay Area 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 San Francisco Bay Area to Seattle flights?

No. A direct flight is the cheapest option for a flight between San Francisco Bay Area to Seattle.

Cheap San Francisco Bay Area to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco Bay Area to Seattle

Fastest flight time

1h 59m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from San Francisco Bay Area to Seattle takes 1h 59m
Direct flights go from San Francisco Bay Area to Seattle every day.
There is 1 airport in Seattle. From San Francisco Bay Area there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from San Francisco Bay Area to Seattle

  • When did momondo last update prices for flights from San Francisco Bay Area to Seattle/Tacoma Intl Airport?

    Prices for flights from San Francisco Bay Area to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from San Francisco Bay Area to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from San Francisco Bay Area to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Bay Area 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 plane model from San Francisco Bay Area to Seattle?

Best airlines flying from San Francisco Bay Area to Seattle

Compare and see reviews for airlines that fly from San Francisco Bay Area to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $82Free CancellationRating
7.8
2,838 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $89Free CancellationRating
7.9
8,368 reviews
Search Delta flights
FrontierPriceFrom $99Free CancellationRating
5.7
3,004 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $109Free CancellationRating
6.3
8,577 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $116Free CancellationRating
7.9
12,150 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $117Free CancellationRating
7.4
9,535 reviews
Search United Airlines flights
SouthwestPriceFrom $120Free CancellationRating
8.0
4,337 reviews
Search Southwest flights
American AirlinesPriceFrom $277Free CancellationRating
7.1
11,549 reviews
Search American Airlines flights

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
Kent
Redmond
Marysville
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Centralia
Fife
Westport
Kirkland
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco Bay Area to Seattle?

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

Can I find flights from San Francisco Bay Area to Seattle with flexible booking policies on momondo?

Flights from San Francisco Bay Area 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 San Francisco Bay Area to Seattle?

Once all potential San Francisco Bay Area 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 San Francisco Bay Area to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco Bay Area to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Seattle trip

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