Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Seattle to San Diego 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.
SEA — SAN
26 Nov — 3 Dec1
1 adult

Find flights from Seattle to San Diego within your budget

Customise your flight search to find flights from Seattle to San Diego 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 939,815 searches. Data last updated 21 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 14/1

07:25-10:14

Nonstop2h 49m

San Diego

Sat 25/1

17:00-20:12

Nonstop3h 12m

£108

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 14/1

16:30-19:12

Nonstop2h 42m

San Diego

Tue 28/1

08:00-12:46

1 stop4h 46m

£115

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Sat 14/12

16:00-08:13

1 stop16h 13m

San Diego

Sun 15/12

17:58-11:55

1 stop17h 57m

£135

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 17/12

09:25-15:02

1 stop5h 37m

San Diego

Tue 17/12

19:45-00:50

1 stop5h 05m

£139

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Wed 26/3

17:45-22:50

1 stop5h 05m

San Diego

Sat 5/4

09:30-15:15

1 stop5h 45m

£281

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Sat 14/12

07:30-10:30

Nonstop3h 00m

£54

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 18/2

13:46-20:19

1 stop6h 33m

£62

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Sat 14/12

14:00-20:22

1 stop6h 22m

£69

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Fri 20/12

05:40-11:40

1 stop6h 00m

£172

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Thu 28/11

10:25-15:52

1 stop29h 27m

£223

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Cheap flight deals from Seattle to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to San Diego (SAN). 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 21 November 2024.

Round-trip from

£108

One-way from

£54

Popular in

December

Cheapest in

January
Delta
  • Delta
  • 14/1-22/1
  • Nonstop
  • 5h 59m total
  • Seattle to San Diego
Search Deals
Delta
  • Delta
  • 14/12
  • Nonstop
  • 3h 00m total
  • Seattle to San Diego
Search Deals
High demand for flights, 15% potential price rise
Search Deals
Best time to find cheap flights, 37% potential price drop
Search Deals

Find flight deals from Seattle to San Diego

Cheapest flights from Seattle to San Diego
Explore the most affordable flight options available from Seattle to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.

Sat 14/1207:30SEA - SAN
Nonstop3h 00mDelta
Sat 11/111:10SAN - SEA
Nonstop3h 13mDelta
Deal found 20/11£108
Sat 14/1219:59SEA - SAN
Nonstop2h 49mAlaska Airlines
Sat 11/108:20SAN - SEA
1 stop7h 06mAlaska Airlines
Deal found 20/11£123
Sat 14/1216:00SEA - SAN
1 stop16h 13mSpirit Airlines
Sun 15/1217:58SAN - SEA
1 stop17h 57mSpirit Airlines
Deal found 20/11£135
Tue 17/1209:25SEA - SAN
1 stop5h 37mUnited Airlines
Tue 17/1219:45SAN - SEA
1 stop5h 05mUnited Airlines
Deal found 20/11£139

Best time to book a flight from Seattle to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Seattle 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 Seattle to San Diego

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

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

Use this chart to determine the optimal time to book a return flight from Seattle to San Diego. Price data was last updated on 15 November 2024.

The best time to book flights from Seattle to San Diego is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to San Diego (average of £585). Flying from Seattle to San Diego in July is currently the most expensive (average of £834). 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 SEA to SAN?

Find hourly flight availability from Seattle to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2024.

It’s optimal to fly from Seattle to San Diego at midday. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Seattle to San Diego

Explore weekly flight availability from Seattle to San Diego. 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 21 November 2024.

The most flights from SEA to SAN are scheduled on a Wednesday (44 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 San Diego by month

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

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Temperature in San Diego by month

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

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated 21 November 2024.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and United Airlines from Seattle to San Diego to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
5,014 reviews
Check prices

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very Good
5,014 reviews
Southwest
8.1
Very Good
5,014 reviews
Check prices

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very Good
9,461 reviews
Southwest
8.1
Very Good
5,014 reviews
Check prices

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very Good
8,756 reviews
Southwest
8.1
Very Good
5,014 reviews
Check prices

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very Good
5,014 reviews
Check prices

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Sun Country Air
7.0
Good
415 reviews
Southwest
8.1
Very Good
5,014 reviews
Check prices

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Seattle to San Diego. 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 Seattle to San Diego flight route?

    This flight path from Seattle/Tacoma Intl to San Diego was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at £108, Delta will fly you from Seattle to San Diego and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Spirit Airlines - these airlines can fly you to your destination from £115 and £135, respectively. Delta is 44% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as £54 on Delta. Other airlines that offer cheap prices include Alaska Airlines from £62 and United Airlines from £69 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to San Diego consider choosing Korean Air (88%), China Airlines (87%) or LATAM Airlines (87%) as they are the most reliable in getting you off to your destination on time.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to San Diego 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 Seattle to San Diego?

    Currently, January is the cheapest month in which you can book a flight from Seattle to San Diego (average of £585). Flying from Seattle to San Diego in July is currently the most expensive (average of £834). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Seattle to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to San Diego 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 Seattle to San Diego with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to San Diego flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Seattle to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines