Cheap flights from Seattle to San Francisco

from as little as £175

3 nights in San Francisco, departing Seattle on 09 / Jun / 2025 with Alaska Airlines (price found 28 hours ago)

Subject to availability, prices correct of the last 24 hours
San Francisco

Cheap return flights from Seattle to San Francisco

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The Seattle / San Francisco route

All 1114 km of it

Cheap flight deals for this route

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San Francisco flight facts

What you need to know

Alternative flights from the UK to San Francisco

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San Francisco

09 / Jun / 2025 is currently the lowest priced day of the year to fly the Seattle/San Francisco route. There are around 20 flights on any given week from the UK to San Francisco and the cheapest month to fly right now is June.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

8 °C

AVG

14 °C

HIGHEST

21 °C

Rainfall (mm)
LOWEST

0 mm

AVG

44.8 mm

HIGHEST

112 mm

Key facts about San Francisco

How to get cheap flights from Seattle to San Francisco

Tips and advice from our flight experts

You’ve searched for flights from Seattle to San Francisco. 20 flights go to or via San Francisco every week, and we've searched them all to make it easy for you to compare your flight options. On average, Alaska Airlines has the cheapest flights, so look out for them in your search results.

We scan thousands of airfares from hundreds of airlines across the globe. We've found that one airlines operate the 1114 km flight from Seattle to San Francisco. Flights during peak season tend to be the most expensive – so if you want to go during that time, it's best to book early. Or you could try to get a last-minute flight deal.

Alaska Airlines are the most popular airlines for flying from Seattle to San Francisco, so look out for their deals and offers. To find the best price, try searching by month. Or, if you want to bag a last-minute offer, keep an eye on Netflights to monitor the prices.

It takes about 2 hrs 10 mins to fly from Seattle to San Francisco. Once you’ve chosen your flight, go through and fill out your details to complete your booking. If you haven’t yet sorted your hotel or car hire, take a look at our competitive rates – then you can book your flights and accommodation in one go.

Other popular destinations near San Francisco

Where other people are flying to

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