Cheap flights from San Diego to Seattle (SAN - SEA)

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The best prices from San Diego to Seattle/Tacoma Intl are usually found in January or February, booked 33 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

How to find the cheapest flight from
San Diego (SAN) to Seattle (SEA)

All the information you need to plan the best SAN to SEA flight in 2022: compare San Diego to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
SAN - SEA
Price
$97 - $217
SEA
Temperature
41 - 66.2 °F
SEA
Rainfall
0.7 - 6.6 inches

Popular in

December

High demand for flights, 26% potential price rise

Cheapest in

January

Best time to find cheap flights, 40% potential price drop

Average price

$163

Average for round-trip flights in May 2022

Round-trip from

$97

From San Diego to Seattle/Tacoma Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from San Diego to Seattle?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 31 days in advance, which can save you up to 99% on flights from San Diego to Seattle compared to booking the week you need them. Waiting 31 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $213. For sooner than that we have options available in the next 3 days from $311.

When is the cheapest time to fly from San Diego to Seattle (SAN - SEA)?

It’s typically best to fly out from San Diego to Seattle in the evening. Doing so could potentially save you 6% on the flight price compared to flying at noon, which is usually more expensive.

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

Tuesday is generally a great day to depart. Flying on this day could help you save up to 38%.

Cheap flights from San Diego to Seattle in May, June 2022

The best prices found for SAN to SEA flights for May, June
6 Jun - 8 Jun
$247pp
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
24 Jun - 4 Jul
$248pp
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
24 Jun - 9 Jul
$253pp
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego

San Diego to Seattle 2022 flight deals

Cheap flights to Seattle from San Diego found for this year
24 Aug - 31 Aug
$183pp
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
13 Sep - 19 Sep
$192pp
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
24 Aug - 17 Sep
$193pp
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SAN
San Diego

Non-stop flights to Seattle from San Diego

Save time with San Diego to Seattle direct flight deals
13 Sep - 19 Sep
$192pp
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
14 Sep - 27 Sep
$196pp
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
25 Aug - 14 Sep
$197pp
SAN
San Diego
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SAN
San Diego

Last minute flights from San Diego to Seattle

Late deals on round-trip flights to Seattle from San Diego, departing today and this week
28 May - 4 Jun
$274pp
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
1 Jun - 8 Jun
$286pp
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
1 Jun - 8 Jun
$319pp
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego

One-way flights to Seattle/Tacoma Intl from San Diego

The cheapest one-way flights from San Diego to Seattle
7:00 am - 1:00 pm
Alaska Airlines
1 Stop
6h 00m
SAN - SEA
Alaska Airlines
3:44 pm - 7:27 pm
Spirit Airlines
1 Stop
27h 43m
SAN - SEA
Spirit Airlines
$135
Gotogate
2:50 pm - 4:49 am
Frontier
1 Stop
13h 59m
SAN - SEA
Frontier
$137
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Diego</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From San Diego to Seattle

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

If you book a flight from San Diego to Seattle, you will be flying from San Diego to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from San Diego (SAN) take 2h 50m for a nonstop flight. There are 25 flights from San Diego to Seattle per day from 10 airlines.

Which airlines flying from San Diego to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Alaska Airlines, Delta, and Spirit Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from San Diego to Seattle for under $200 on Cheapflights?

Yes, there are multiple flights from San Diego to Seattle for under $200. The cheapest flight booked recently is on Multiple Airlines for just $183, but on average you can expect to pay $201.

Are there nonstop flights from San Diego to Seattle for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from San Diego to Seattle under $200. A good price for a nonstop flight from San Diego to Seattle is less than $206.

Are there last-minute flights available from San Diego to Seattle for under $300?

There are currently 20+ open flights from San Diego to Seattle within the next 7 days for less than $300.

What days are nonstop flights available from San Diego to Seattle?

Nonstop flights can be found on the following days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this San Diego to Seattle flight route?

Within the past month, 60 users have taken a look at flights from San Diego to Seattle/Tacoma Intl.

How many flights depart from San Diego to Seattle on average per day?

Per day, 29 flights depart from San Diego to Seattle on average.
Early Morning (Midnight to 6am) - 14% of flight departures
Morning (6am - Noon) - 31% of flight departures
Afternoon (Noon - 6pm) - 28% of flight departures
Evening (6pm - Midnight) - 28% of flight departures

How long is the flight from San Diego to Seattle?

A quick flight from San Diego to Seattle can take about 3h 04m. Alaska Airlines provides one of the quickest options available for as low as $192. Airlines will cover a distance of 1057 mi. Most flights are nonstop.

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

Flying on Alaska Airlines is currently your cheapest option to Seattle, with prices starting at $192. Another option worth looking into is Delta, starting at $198 round trip.

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

For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $74. Users have also found prices from $99 and $106 on Alaska Airlines and Frontier, respectively.

What are the most popular airlines that fly from San Diego to Seattle?

Endeavor Airlines, American Airlines and Alaska Airlines are the most popular airlines when flying from San Diego to Seattle.

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

Consider SkyWest Airlines (100%), Air France (94%) or Delta (93%) 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?

While on average a flight from San Diego to Seattle is generally $434, our data shows the cheapest flight currently is $99. When looking at the most popular route, (San Diego - Seattle/Tacoma Intl), you can expect to pay $198 for that flight.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from San Diego?

Information is based on travel restrictions for travel to Seattle/Tacoma Intl within the United States

Most visitors from San Diego need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from San Diego must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from San Diego are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to San Diego from Seattle?

Returning to San Diego from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to San Diego.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering San Diego.

Hide COVID Travel Restrictions for Seattle, WA

Alternative routes for San Diego to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from San Diego to Seattle.
Flight duration from SAN to SEA
2h 55m
Average temperature for May in Seattle
66.2 °F
Avg rainfall for May in Seattle
1.8 ″

Airports servicing San Diego

Airports servicing Seattle

Top 8 airlines flying from San Diego to Seattle/Tacoma Intl

The chart below displays the airlines Cheapflights users traveling from San Diego to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$12 $23 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Spirit Airlines
$59 $163 No cancel fee 65%
United Airlines
$71 $163 No cancel fee 69%
Alaska Airlines
$88 $197 No cancel fee 75%
Delta
$88 $207 No cancel fee N/A
Frontier
$103 $220 No cancel fee 62%
Endeavor Airlines
$165 $301 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Endeavor Airlines. Please check directly on their website for additional information.

American Airlines
$198 $416 No cancel fee 71%

Hourly flight availability from San Diego to Seattle

See what time of day planes typically take off from San Diego towards Seattle.
Morning 6 AM to noon 63% of SAN to SEA departures
Afternoon Noon to 6 PM 26% of SAN to SEA departures
Evening 6 PM to midnight 7% of SAN to SEA departures
Early morning Midnight to 6 AM 4% of SAN to SEA departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from San Diego to Seattle
See how many times per day planes take to the skies headed from San Diego to Seattle.
Sunday
23 daily flights
Monday
30 daily flights
Tuesday
25 daily flights
Wednesday
20 daily flights
Thursday
22 daily flights
Friday
34 daily flights
Saturday
25 daily flights
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