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Cheap flights from Seattle to San Diego from C$ 99

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAN
23 Dec — 30 Dec1
1 adult

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 18 December 2024.

Round-trip from

C$ 196

One-way from

C$ 99

Popular in

December

Cheapest in

January

Average price

C$ 487
Alaska Airlines
  • Alaska Airlines
  • 15/1-18/1
  • Nonstop
  • 5h 53m total
  • Seattle to San Diego
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 14/1
  • Nonstop
  • 2h 54m total
  • Seattle to San Diego
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in December 2024
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 18 December 2024.

Tue 31/129:10 p.m.SEA - SAN
Nonstop2h 49mAlaska Airlines
Tue 21/18:02 a.m.SAN - SEA
1 stop8h 36mAlaska Airlines
Deal found 17/12C$ 358
Mon 30/123:11 p.m.SEA - SAN
1 stop5h 29mUnited Airlines
Wed 22/16:15 a.m.SAN - SEA
2 stops9h 30mUnited Airlines
Deal found 17/12C$ 501
Mon 30/129:36 p.m.SEA - SAN
1 stop26h 18mFrontier
Fri 3/13:40 p.m.SAN - SEA
1 stop26h 32mFrontier
Deal found 17/12C$ 521
Wed 18/123:15 p.m.SEA - SAN
Nonstop2h 50mDelta
Sun 12/17:20 a.m.SAN - SEA
Nonstop3h 15mDelta
Deal found 17/12C$ 638
Mon 30/122:16 p.m.SEA - SAN
1 stop7h 56mSpirit Airlines
Fri 3/12:22 p.m.SAN - SEA
2 stops22h 49mSpirit Airlines
Deal found 17/12C$ 661
Wed 25/1211:55 a.m.SEA - SAN
1 stop6h 05mSouthwest
Thu 2/15:35 p.m.SAN - SEA
1 stop6h 35mSouthwest
Deal found 18/12C$ 680
Mon 30/122:16 p.m.SEA - SAN
1 stop7h 56mMultiple Airlines
Fri 3/16:15 a.m.SAN - SEA
Nonstop3h 13mMultiple Airlines
Deal found 17/12C$ 697

Find flights from Seattle to San Diego within your budget

Customize 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 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Wed 15/1

9:16 p.m.-11:59 p.m.

Nonstop2h 43m

San Diego

Sat 18/1

6:20 a.m.-9:30 a.m.

Nonstop3h 10m

C$ 196

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 14/1

7:10 a.m.-12:55 p.m.

1 stop5h 45m

San Diego

Tue 21/1

6:15 a.m.-5:00 p.m.

2 stops10h 45m

C$ 239

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 21/1

9:35 a.m.-12:30 p.m.

Nonstop2h 55m

San Diego

Tue 21/1

5:00 p.m.-8:12 p.m.

Nonstop3h 12m

C$ 246

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Thu 9/1

3:25 p.m.-11:58 p.m.

2 stops8h 33m

San Diego

Mon 13/1

3:59 p.m.-11:09 p.m.

1 stop7h 10m

C$ 259

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Sat 25/1

6:30 a.m.-2:00 p.m.

2 stops7h 30m

San Diego

Sun 26/1

9:30 a.m.-3:30 p.m.

1 stop6h 00m

C$ 494

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 14/1

9:59 a.m.-12:53 p.m.

Nonstop2h 54m

C$ 99

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 14/1

5:55 p.m.-5:59 p.m.

2 stops24h 04m

C$ 110

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Sat 4/1

7:05 p.m.-7:45 a.m.

1 stop12h 40m

C$ 123

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Fri 28/3

5:40 p.m.-12:30 a.m.

1 stop6h 50m

C$ 147

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 18/2

7:30 a.m.-10:24 a.m.

Nonstop2h 54m

C$ 149

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 11 results
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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 round-trip 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 round-trip flight from Seattle to San Diego. Price data was last updated on 13 December 2024.

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to San Diego. 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 Seattle to San Diego?

Currently, August is the cheapest month in which you can book a flight from Seattle to San Diego (average of C$ 346). Flying from Seattle to San Diego in March is currently the most expensive (average of C$ 569). 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 18 December 2024.

It’s typically best to fly out from Seattle to San Diego in the morning. Doing so could potentially save you 33% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to San Diego. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Seattle to San Diego flight should consider departing on Saturday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 18 December 2024.

The most flights from SEA to SAN are scheduled on a Tuesday (48 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 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 mm 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 18 December 2024.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Spirit Airlines from Seattle to San Diego. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

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

Southwest
8.1
Very good
4,848 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,554 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

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

Delta
8.0
Very good
8,604 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

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

United Airlines
7.4
Good
9,055 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

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

Spirit Airlines
6.3
Okay
8,119 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

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.

  • What airports do I use to fly from Seattle to San Diego?

    To fly from Seattle to San Diego, you need to book a flight from Seattle/Tacoma Intl (SEA) to San Diego (SAN). Nonstop flights to San Diego from Seattle/Tacoma Intl take 2h 49m on average. When it comes time to book airfare, you have a few options: there are 16 outbound flights from Seattle/Tacoma Intl to San Diego offered by 4 different airlines.

  • How popular is this Seattle to San Diego flight route?

    Flights from Seattle/Tacoma Intl to San Diego have been viewed 93 times in the past calendar month.

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

    Alaska Airlines, at C$ 196, was found to be the cheapest airline from Seattle to San Diego.Alternate airlines to your destination round-trip include Spirit Airlines and Delta. Alaska Airlines is priced at 45% lower than the current average price of a flight leaving 3 months from now.

  • 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 C$ 99 on Alaska Airlines. Other airlines that offer cheap prices include Spirit Airlines from C$ 110 and Frontier from C$ 123 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 Horizon Air (100%), China Airlines (89%) or LATAM Airlines (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to San Diego?

    The cheapest flight price from Seattle to San Diego is C$ 94. On average you can expect to pay C$ 242. The most popular route, (Seattle/Tacoma Intl - San Diego), can usually be booked for C$ 176.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from Seattle to San Diego (average of C$ 346). Flying from Seattle to San Diego in March is currently the most expensive (average of C$ 569). 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 Seattle to San Diego

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Top 4 airlines flying from Seattle to San Diego

Discover the top 4 airlines that operate flights from Seattle to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 142AverageC$ 282FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapestC$ 150AverageC$ 209FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapestC$ 167AverageC$ 280FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 195AverageC$ 364FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

Deals for Seattle to San Diego flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Seattle to San Diego by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to San Diego from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Diego from Seattle today and book when prices fit your budget.

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