Can I combine different airlines on the same trip?

Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.

Is lastminute.com a trustworthy travel brand?

In 1998, lastminute.com was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.

What options are there if I have to change my flight?

lastminute.com offers flexibility services for purchase at the time of your booking. These services entitle you to change or cancel your flights without handling fee.**Flexibility services are available on selected flights only. Please read our T&Cs for more information.

I am afraid to lose my luggage, every time I fly. What can I do?

lastminute.com offers a range of baggage protection services, so that you are covered in case your luggage is delayed or lost.****Baggage protection services are available on selected flights only. Please read our T&Cs for more information.

How long does a flight take between San Francisco and Seattle?

The flight from San Francisco to Seattle has a duration of 2h 27m.

What are the cheapest flights from San Francisco to Seattle?

The cheapest one-way flight costs £95 flying with Southwest Airlines and the cheapest return flight costs £174 with Southwest Airlines.

How many airports are there in the city of San Francisco?

San Francisco has 2 airport: San Francisco International Airport, Oakland International Airport.

How many airports does Seattle have?

There are 3 airports in Seattle: SEA - All airports, Snohomish County Airport, Boeing Field/King County International Airport

Which Seattle airport is the most central?

The most central airport is SEA - All airports, 3.3km.

Which airlines have flights from San Francisco to Seattle?

There are 4 airlines with flights from San Francisco to Seattle; Those that offer lower prices are JetBlue Airways (£521).

Schedules of the first and last flight from San Francisco to Seattle

The first flight from San Francisco to Seattle is at 20:44 and the last flight departs at 20:44.

Cheap flights from San Francisco to Seattle

Fly smart, spend less

Flights to Seattle from San Francisco

Cheap flights from San Francisco to Seattle from £95. San Francisco (United States) - Seattle (United States) return flights from £174. From 15/10/2026 (Thursday) - 19/10/2026 (Monday). Check for the dates with the lowest prices and find the cheapest rates.

Round-trip flights from San Francisco to Seattle

Cheapest round-trip flights from San Francisco to Seattle

15 Oct - 19 Oct • 4 nights
14:40SFO
6h 25m1 stop
21:05SEA
Southwest Airlines
07:40SEA
5h 25m1 stop
13:05SFO
Southwest Airlines
from£174
15 Oct - 19 Oct • 4 nights
05:05SFO
6h 40m1 stop
11:45SEA
Southwest Airlines
07:40SEA
5h 25m1 stop
13:05SFO
Southwest Airlines
from£174
15 Oct - 19 Oct • 4 nights
14:40SFO
6h 25m1 stop
21:05SEA
Southwest Airlines
18:50SEA
5h 50m1 stop
00:40SFO
Southwest Airlines
from£174
15 Oct - 19 Oct • 4 nights
05:05SFO
6h 40m1 stop
11:45SEA
Southwest Airlines
18:50SEA
5h 50m1 stop
00:40SFO
Southwest Airlines
from£174
15 Oct - 19 Oct • 4 nights
13:45SFO
7h 15m1 stop
21:00SEA
Southwest Airlines
07:40SEA
5h 25m1 stop
13:05SFO
Southwest Airlines
from£174
15 Oct - 19 Oct • 4 nights
13:45SFO
7h 15m1 stop
21:00SEA
Southwest Airlines
18:50SEA
5h 50m1 stop
00:40SFO
Southwest Airlines
from£174

Explore all offers

Flights from San Francisco to Seattle one way

Find one-way flights from San Francisco to Seattle at great prices.

Explore all offers

Cheap flights from San Francisco International Airport to Seattle

Find cheap flights from San Francisco International Airport to Seattle now.

Explore all offers

San Francisco to Seattle flight information

DEPARTING FROM:

San Francisco International Airport, more

ARRIVING IN:

SEA - All airports, more

AIRLINES:

Alaska Airlines, Delta Air Lines, Southwest Airlines, more

AVG FLIGHT TIME:

2h 27m

More information about flights to Seattle from San Francisco

Information about flights from San Francisco to Seattle

lastminute.com App for iPhone and Android – the solution to your travelling needs. Perfect if you are always on the move, need to book your travel from anywhere quickly and easily. Take this practical and reliable tool with you on your travels .

Welcome to the lastminute.com travel website! You have arrived in the right place if you are looking for a low cost flight San Francisco-Seattle . Complete the form on the flight search engine correctly, and we are sure to have what you are looking for.

Low cost flights to Seattle from San Francisco are not always easy to find. lastminute.com wants to make it easy for you to find a inexpensive option, so with us you can even choose flights with different airlines and save money on your next trip .

Take advantage of our flight offers to Seattle from San Francisco . This month’s best flight deals have been specially selected for you.

Once you have your flight San Francisco-Seattle booked you can always use lastminute.com to organise the rest of your trip just the way you want it. lastminute.com allows you to book a hotel, car hire, tours and activities in Seattle.

FAQs San Francisco to Seattle flights

FAQs

Can I combine different airlines on the same trip?
Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.
Is lastminute.com a trustworthy travel brand?
In 1998, lastminute.com was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.
What options are there if I have to change my flight?
lastminute.com offers flexibility services for purchase at the time of your booking. These services entitle you to change or cancel your flights without handling fee.*
*Flexibility services are available on selected flights only. Please read our T&Cs for more information.
I am afraid to lose my luggage, every time I fly. What can I do?
lastminute.com offers a range of baggage protection services, so that you are covered in case your luggage is delayed or lost.**
**Baggage protection services are available on selected flights only. Please read our T&Cs for more information.
How long does a flight take between San Francisco and Seattle?
The flight from San Francisco to Seattle has a duration of 2h 27m.
What are the cheapest flights from San Francisco to Seattle?
The cheapest one-way flight costs £95 flying with Southwest Airlines and the cheapest return flight costs £174 with Southwest Airlines.
How many airports are there in the city of San Francisco?
San Francisco has 2 airport: San Francisco International Airport, Oakland International Airport.
How many airports does Seattle have?
There are 3 airports in Seattle: SEA - All airports, Snohomish County Airport, Boeing Field/King County International Airport
Which Seattle airport is the most central?
The most central airport is SEA - All airports, 3.3km.
Which airlines have flights from San Francisco to Seattle?
There are 4 airlines with flights from San Francisco to Seattle; Those that offer lower prices are JetBlue Airways (£521).
Schedules of the first and last flight from San Francisco to Seattle
The first flight from San Francisco to Seattle is at 20:44 and the last flight departs at 20:44.