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Cheap flights from San Diego to Seattle 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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEA
23 Dec — 30 Dec1
1 adult

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 18 December 2024.

Round-trip from

C$ 196

One-way from

C$ 99

Popular in

July

Cheapest in

January

Average price

C$ 396
Alaska Airlines
  • Alaska Airlines
  • 8/1-14/1
  • Nonstop
  • 5h 52m total
  • San Diego to Seattle
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Delta
  • Delta
  • 15/2
  • Nonstop
  • 3h 15m total
  • San Diego to Seattle
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High demand for flights, 18% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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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 18 December 2024.

Fri 27/129:05 p.m.SAN - SEA
1 stop12h 19mMultiple Airlines
Wed 1/12:16 p.m.SEA - SAN
1 stop7h 56mMultiple Airlines
Deal found 17/12C$ 433
Wed 25/1212:51 p.m.SAN - SEA
Nonstop3h 08mAlaska Airlines
Wed 15/19:16 p.m.SEA - SAN
Nonstop2h 43mAlaska Airlines
Deal found 17/12C$ 453
Thu 26/127:00 p.m.SAN - SEA
Nonstop3h 25mDelta
Wed 15/17:30 a.m.SEA - SAN
Nonstop2h 54mDelta
Deal found 17/12C$ 517
Thu 26/123:36 p.m.SAN - SEA
1 stop5h 39mUnited Airlines
Wed 15/15:00 a.m.SEA - SAN
2 stops9h 49mUnited Airlines
Deal found 17/12C$ 640
Thu 26/125:35 p.m.SAN - SEA
1 stop6h 35mSouthwest
Tue 31/127:30 a.m.SEA - SAN
1 stop7h 25mSouthwest
Deal found 17/12C$ 651
Fri 27/122:22 p.m.SAN - SEA
2 stops22h 49mSpirit Airlines
Wed 1/12:16 p.m.SEA - SAN
1 stop7h 56mSpirit Airlines
Deal found 17/12C$ 664

Find flights from San Diego to Seattle within your budget

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

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Wed 8/1

7:00 a.m.-10:10 a.m.

Nonstop3h 10m

Seattle/Tacoma Intl

Tue 14/1

4:30 p.m.-7:12 p.m.

Nonstop2h 42m

C$ 196

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Sat 17/5

3:20 p.m.-6:24 p.m.

Nonstop3h 04m

Seattle/Tacoma Intl

Sun 25/5

11:40 a.m.-2:33 p.m.

Nonstop2h 53m

C$ 231

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Thu 16/1

7:35 a.m.-1:32 p.m.

1 stop5h 57m

Seattle/Tacoma Intl

Sun 26/1

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

2 stops8h 33m

C$ 259

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Sat 15/2

6:55 p.m.-10:10 p.m.

Nonstop3h 15m

C$ 99

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Tue 7/1

2:22 p.m.-1:11 p.m.

2 stops22h 49m

C$ 110

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Tue 7/1

8:00 a.m.-2:53 p.m.

1 stop6h 53m

C$ 111

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Mon 24/3

6:04 p.m.-1:06 a.m.

1 stop7h 02m

C$ 120

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Sun 5/1

5:35 p.m.-12:10 a.m.

1 stop6h 35m

C$ 261

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

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 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 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 round-trip flight from San Diego to Seattle. Price data was last updated on 13 December 2024.

The price you pay for your flight from San Diego to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from San Diego to Seattle (average of C$ 270). Flying from San Diego to Seattle in March is currently the most expensive (average of C$ 437). 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 18 December 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.

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 mm 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 18 December 2024.
Read reviews from past customers who have flown Alaska Airlines, United Airlines and Delta from San Diego to Seattle. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews
Check prices

Entertainment

7.7

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

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.

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

Entertainment

7.7

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

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.

Alaska Airlines
8.0
Very good
9,552 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Entertainment

7.7

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

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.

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

Entertainment

7.7

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

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.

United Airlines
7.4
Good
9,059 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Entertainment

7.7

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

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.

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

Entertainment

7.7

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

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?

    Flights from San Diego to Seattle/Tacoma Intl have been viewed 9 times in the past calendar month.

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

    According to our current data, Alaska Airlines (C$ 196), Delta (C$ 224), and United Airlines (C$ 259) offers the cheapest pricing from San Diego to Seattle. Alaska Airlines is 40% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at C$ 99. Spirit Airlines flights start at C$ 110 while deals on Alaska Airlines start at C$ 111 one-way.

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

    Consider Aeromexico (100%), ITA Airways (100%) or Air France (95%) when booking your flight. These represent the most reliable airlines when flying from San Diego to Seattle.

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

    Looking at all options, your cheapest flight can be booked for C$ 175. While the most popular route (San Diego - Seattle/Tacoma Intl) can be booked for C$ 220 on average our data indicates C$ 245 when flying from San Diego to Seattle.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from San Diego to Seattle (average of C$ 270). Flying from San Diego to Seattle in March is currently the most expensive (average of C$ 437). 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.

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