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Cheap flights from San Diego to Seattle from £54

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 14/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEA
20 Nov — 27 Nov1
1 adult

Find flights from San Diego to Seattle within your budget

Customise your flight search to find flights from San Diego 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, Cheapflights users made 943,810 searches. Data last updated 15 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Wed 26/2

13:35-16:50

Nonstop3h 15m

Seattle/Tacoma Intl

Wed 5/3

09:45-12:41

Nonstop2h 56m

£108

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Tue 11/3

06:15-13:53

1 stop7h 38m

Seattle/Tacoma Intl

Tue 11/3

16:24-19:10

Nonstop2h 46m

£111

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Thu 20/3

06:15-13:43

1 stop7h 28m

Seattle/Tacoma Intl

Mon 24/3

17:40-00:30

1 stop6h 50m

£162

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Sat 14/12

07:25-10:43

Nonstop3h 18m

£54

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Sat 11/1

08:00-14:53

1 stop6h 53m

£62

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Tue 31/12

08:35-18:04

1 stop9h 29m

£97

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Fri 22/11

17:35-00:30

2 stops6h 55m

£239

Flights are sorted by cheapest first

Deals found on 15/11

Cheap flight deals from San Diego to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 November 2024.

Round-trip from

£108

One-way from

£54

Popular in

July

Cheapest in

January
Delta
  • Delta
  • 26/2-4/3
  • Nonstop
  • 6h 06m total
  • San Diego to Seattle
Delta
  • Delta
  • 14/12
  • Nonstop
  • 3h 18m total
  • San Diego to Seattle
High demand for flights, 23% potential price rise
Best time to find cheap flights, 31% potential price drop

Find flight deals from San Diego to Seattle

Cheapest flights from San Diego to Seattle
Explore the most affordable flight options available from San Diego to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 November 2024.

Sat 7/1213:45SAN - SEA
Nonstop3h 14mDelta
Sat 14/1209:55SEA - SAN
Nonstop2h 55mDelta
Deal found 14/11£108
Sat 7/1208:00SAN - SEA
1 stop4h 52mAlaska Airlines
Sat 14/1217:59SEA - SAN
Nonstop2h 49mAlaska Airlines
Deal found 14/11£115
Thu 12/1219:45SAN - SEA
1 stop5h 05mUnited Airlines
Thu 19/1205:00SEA - SAN
1 stop5h 04mUnited Airlines
Deal found 14/11£139
Mon 18/1113:31SAN - SEA
1 stop5h 07mFrontier
Mon 25/1112:03SEA - SAN
1 stop11h 53mFrontier
Deal found 15/11£312

Best time to book a flight from San Diego to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from San Diego with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Diego to Seattle

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

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

Use this chart to determine the optimal time to book a return flight from San Diego to Seattle. Price data was last updated on 8 November 2024.

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from San Diego to Seattle (average of £616). Flying from San Diego to Seattle in July is currently the most expensive (average of £841). 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.

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

Find hourly flight availability from San Diego 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 15 November 2024.

When flying from San Diego to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from San Diego to Seattle

Explore weekly flight availability from San Diego to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 November 2024.

The most flights from SAN to SEA are scheduled on a Thursday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Seattle by month

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

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.

Temperature in Seattle by month

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

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).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 15 November 2024.
Read reviews from past customers who have flown Delta, Alaska Airlines and United Airlines from San Diego to Seattle. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
5,044 reviews

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

8.1
Very Good
5,044 reviews
8.1
Very Good
5,044 reviews

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

8.0
Very Good
9,446 reviews
8.1
Very Good
5,044 reviews

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

8.0
Very Good
8,786 reviews
8.1
Very Good
5,044 reviews

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

7.4
Good
9,193 reviews
8.1
Very Good
5,044 reviews

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this San Diego to Seattle flight route?

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

    Our cheapest airline available from San Diego to Seattle is Delta. Our recent data shows that you can find tickets from as low as £108 on this airline. Additional options worth looking into are Alaska Airlines and United Airlines, starting at £111 and £162 round-trip. You may be able to fly from San Diego to Seattle for 39% less than the average price by searching for these airlines.

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

    £54 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from £62 and £97, respectively.

  • What are the most reliable airlines from San Diego to Seattle?

    The top 3 most reliable airlines when flying from San Diego to Seattle are Air France (93%), Icelandair (91%) and KLM (89%).

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

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

  • How can I find direct flights from San Diego to Seattle?

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

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

    Yes. Cheapflights offers flight deals from San Diego 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.

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

    Currently, January is the cheapest month in which you can book a flight from San Diego to Seattle (average of £616). Flying from San Diego to Seattle in July is currently the most expensive (average of £841). 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.

See more FAQs

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Alternative routes for San Diego to Seattle

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

Cheapflights makes it easy to find San Diego to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from San Diego to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from San Diego to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from San Diego 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.

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