Question 1

How popular is this San Francisco to Seattle flight route?

Accepted Answer

Flights from San Francisco to Seattle/Tacoma Intl have been viewed 20 times in the past calendar month.

Question 2

What are the cheapest airlines flying from San Francisco to Seattle round-trip?

Accepted Answer

Currently priced at £117, Alaska Airlines will fly you from San Francisco to Seattle and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from £119 and £122, respectively. Alaska Airlines is priced at 38% lower than the current average price of a flight leaving 3 months from now.

Question 3

What are the cheapest airlines to fly from San Francisco to Seattle one-way?

Accepted Answer

The cheapet airlines for a one-way flight from San Francisco to Seattle are Delta (£61), Hawaiian Airlines (£63), and Alaska Airlines (£65).

Question 4

How far ahead should I book a flight from San Francisco to Seattle?

Accepted Answer

To ensure you get the cheapest price possible for a flight from San Francisco to Seattle, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 5

What is the cheapest month to book a flight from San Francisco to Seattle?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from San Francisco to Seattle (average of £622). Flying from San Francisco to Seattle in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 6

What is the cheapest day to fly from San Francisco to Seattle?

Accepted Answer

Travellers seeking maximum savings on their San Francisco to Seattle flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Question 9

What are the cheapest flights from San Francisco to Seattle?

Accepted Answer

Looking at all options, your cheapest flight can be booked for £112. While the most popular route (San Francisco - Seattle/Tacoma Intl) can be booked for £243 on average our data indicates £157 when flying from San Francisco to Seattle.

Question 10

What are the most reliable airlines from San Francisco to Seattle?

Accepted Answer

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Seattle on time: Horizon Air (100%), Air China (94%), Aeromexico (91%).

Question 11

What is the cheapest day to fly round-trip from San Francisco to Seattle?

Accepted Answer

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 70% when planning your travel around this day of the week.

Question 12

How far in advance should I book a flight from San Francisco to Seattle?

Accepted Answer

Travelers have found it’s best to book a flight 54 days in advance to save up to 172% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 54 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Francisco to Seattle 1-2 weeks in advance for as low as £294, or £407 for flights within the next 24 hours.

Question 13

What is the cheapest month to fly from San Francisco to Seattle?

Accepted Answer

Our data shows that October tends to be the cheapest month to fly to Seattle from San Francisco. Users have commonly found prices around £190 for the month, but tickets can be as low as £89. Due to multiple factors, prepare for potentially higher prices in June.

Question 14

What is the cheapest time of day to fly from SFO to SEA?

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from San Francisco to Seattle at midday. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the afternoon.

Question 15

What airports do I use to fly from San Francisco to Seattle?

Accepted Answer

If you book a flight from San Francisco to Seattle, you will be flying from San Francisco to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from San Francisco (SFO) take 2h 17m for a nonstop flight. There are 34 flights from San Francisco to Seattle per day from 1 airline.

Question 16

Can I find deals for flights from San Francisco to Seattle that include hotel bookings?

Accepted Answer

Yes. In addition to deals on San Francisco to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 17

How can I find direct flights from San Francisco to Seattle?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Seattle.

Question 18

Can I find deals for business class flights from San Francisco to Seattle?

Accepted Answer

Yes. Cheapflights offers flight deals from San Francisco to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 19

How does Cheapflights help users find flights from San Francisco to Seattle?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from San Francisco today with Cheapflights!

Question 20

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Seattle?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Francisco to Seattle for you. Better yet — we are completely free to use.

Question 21

Can Cheapflights find flights from San Francisco to Seattle with no change fees?

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Seattle, users can toggle the no change fees filter when performing a flight search.

Question 22

Can Cheapflights notify me if prices for flights from San Francisco to Seattle become cheaper?

Accepted Answer

Of course! You can now track prices for flights from San Francisco to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	£117
One-way from	£61
Popular in	June
Cheapest in	October
Average price	£184
Good one-way deal	£130 or less

Cheap flights from San Francisco to Seattle from £61

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel.

The best prices from San Francisco to Seattle/Tacoma Intl are usually found in October or January, booked 86 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap flight deals from San Francisco to Seattle

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Find flight deals from San Francisco to Seattle

Cheapest flights from San Francisco to SeattleExplore the most affordable flight options available from San Francisco to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 March 2025.

Explore the most affordable flight options available from San Francisco to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 March 2025.

Find flights from San Francisco to Seattle within your budget

Best time to book a flight from San Francisco to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from San Francisco with our price prediction graph.

Travel insights for flights from San Francisco to Seattle

Get recent, data-driven insights about flights from San Francisco to Seattle including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from San Francisco to Seattle?

Use this chart to determine the optimal time to book a return flight from San Francisco to Seattle. Price data was last updated on 28 February 2025.

What is the cheapest month to book a flight from San Francisco to Seattle?

What is the cheapest time of day to fly from SFO to SEA?

Find hourly flight availability from San Francisco to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 March 2025.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from San Francisco to Seattle, such as Southwest, Alaska Airlines and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from San Francisco to Seattle?

How popular is this San Francisco to Seattle flight route?

What are the cheapest airlines flying from San Francisco to Seattle round-trip?

What are the cheapest airlines to fly from San Francisco to Seattle one-way?

What are the most reliable airlines from San Francisco to Seattle?

What are the cheapest flights from San Francisco to Seattle?

Can I find deals for flights from San Francisco to Seattle that include hotel bookings?

How can I find direct flights from San Francisco to Seattle?

Can I find deals for business class flights from San Francisco to Seattle?

What is the cheapest month to book a flight from San Francisco to Seattle?

Travelling to a place near San Francisco?

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Alternative routes for San Francisco to Seattle

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Top airline flying from San Francisco to Seattle

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How does Cheapflights help users find flights from San Francisco to Seattle?

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Seattle?

Can Cheapflights find flights from San Francisco to Seattle with no change fees?

Can Cheapflights notify me if prices for flights from San Francisco to Seattle become cheaper?

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Cheapest flights from San Francisco to Seattle
Explore the most affordable flight options available from San Francisco to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 March 2025.