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 54m.

What are the cheapest flights from San Francisco to Seattle?

The cheapest one-way flight costs £146 flying with Southwest Airlines and the cheapest return flight costs £147 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-Tac Airport, Snohomish County Airport, Boeing Field/King County International Airport

Which Seattle airport is the most central?

The most central airport is Boeing Field/King County International Airport, 7.9km.

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 (£508).

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

The first flight from San Francisco to Seattle is at 20:59 and the last flight departs at 21:08.

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 £146. San Francisco (United States) - Seattle (United States) return flights from £147. From 18/08/2026 (Tuesday) - 19/08/2026 (Wednesday). Check for the dates with the lowest prices and find the cheapest rates.

Flights from San Francisco to Seattle one way

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

08 Jul

03 Jul

28 Jun

21 Jul

06 Aug

29 Jun

Cheapest flights from San Francisco to Seattle

Get the cheapest flights from San Francisco to Seattle today.

15 Aug - 17 Aug • 2 nights

17 Aug - 19 Aug • 2 nights

05 Sept - 08 Sept • 3 nights

06 Jul - 09 Jul • 3 nights

04 Sept - 08 Sept • 4 nights

30 Jul - 06 Aug • 7 nights

Cheap flights from San Francisco International Airport to Seattle

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

15 Aug - 17 Aug • 2 nights

17 Aug - 19 Aug • 2 nights

05 Sept - 08 Sept • 3 nights

06 Jul - 09 Jul • 3 nights

04 Sept - 08 Sept • 4 nights

30 Jul - 06 Aug • 7 nights

San Francisco to Seattle flight information

DEPARTING FROM:

San Francisco International Airport, more

ARRIVING IN:

Boeing Field/King County International Airport, more

AIRLINES:

Alaska Airlines, Delta Air Lines, Southwest Airlines, more

AVG FLIGHT TIME:

2h 54m

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

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.

Secure payment

This website is property of BravoNext, S.A headquartered in Vicolo de' Calvi, 2, 6830, Chiasso, Switzerland (Company/VAT num. CHE-115.704.228), a company belonging to lastminute.com group. © 2026 - All rights reserved. The services provided on this website are made available by lastminute.com group and its Partners. Flight-inclusive holidays are provided by BravoNext, S.A. and are protected under ATOL licence (11082). Non-flight packages are also sold by BravoNext S.A. and are protected under ABTOT (Association of Bonded Travel Organisers Trust Limited) scheme of financial protection (5503). "lastminute.com", "lastminute", "LM", "Top Secret Hotels" and "Top Secret" are all registered trademarks owned by a company of lastminute.com group. Bravonext, S.A. is not responsible for content on external Web sites.