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 Tuesday or Wednesday and return on a Wednesday

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 2021: 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
Precipitation
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

Round-trip from

$97

From San Diego to Seattle/Tacoma Intl

One-way from

$65

One-way flight 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.
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 17% on the flight price compared to flying at noon, which is usually more expensive.

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.

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

Monday is generally a great day to depart. Flying on this day could help you save up to 34%.

Cheap flights from San Diego to Seattle in October, November 2021

The best prices found for SAN to SEA flights for October, November
8 Nov - 15 Nov
$85pp
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
30 Nov - 7 Dec
$86pp
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
25 Nov - 5 Dec
$88pp
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego

San Diego to Seattle 2021 flight deals

Cheap flights to Seattle from San Diego found for this year
6 Dec - 9 Dec
$64pp
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
3 Dec - 4 Dec
$71pp
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
3 Dec - 6 Dec
$75pp
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego

Non-stop flights to Seattle from San Diego

Save time with San Diego to Seattle direct flight deals
10 Dec - 14 Dec
$108pp
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
13 Nov - 1 Dec
$117pp
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
29 Oct - 1 Nov
$120pp
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
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
20 Oct - 3 Nov
$102pp
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
20 Oct - 26 Oct
$106pp
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
23 Oct - 26 Oct
$119pp
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
8:51 am - 6:10 am
Multiple Airlines
1 Stop
21h 19m
SAN - SEA
Multiple Airlines
$65
Kiwi.com
3:14 pm - 4:00 am
Frontier
1 Stop
12h 46m
SAN - SEA
Frontier
$81
Kiwi.com
10:40 am - 6:24 pm
Alaska Airlines
1 Stop
7h 44m
SAN - SEA
Alaska Airlines

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 59m for a nonstop flight. There are 16 flights from San Diego to Seattle per day from 9 airlines.

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

Delta, Alaska Airlines, 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 $100 on Cheapflights?

Yes, there are multiple flights from San Diego to Seattle for under $100. The cheapest flight booked recently is on Spirit Airlines for just $64, but on average you can expect to pay $85.

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 $142.

Are there last-minute flights available from San Diego to Seattle for under $200?

There are currently 20+ open flights from San Diego to Seattle within the next 7 days for less than $200.

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

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

How popular is this San Diego to Seattle flight route?

Within the past month, 337 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, 16 flights depart from San Diego to Seattle on average.
Early Morning (Midnight to 6am) - 6% of flight departures
Morning (6am - Noon) - 44% of flight departures
Afternoon (Noon - 6pm) - 44% of flight departures
Evening (6pm - Midnight) - 6% of flight departures

How long is the flight from San Diego to Seattle?

A quick flight from San Diego to Seattle can take about 5h 10m. Spirit Airlines provides one of the quickest options available for as low as $64. Airlines will cover a distance of 1057 mi.

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

Flying on Spirit Airlines is currently your cheapest option to Seattle, with prices starting at $64. Spirit Airlines is priced at 60% lower than the current average price of a flight leaving 3 months from now.

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 $32. Users have also found prices from $59 and $67 on Alaska Airlines and Frontier, respectively.

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

Major Airline, Endeavor Airlines and American 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 Delta (94%), Qatar Airways (93%) or Icelandair (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 $275, our data shows the cheapest flight currently is $58. When looking at the most popular route, (San Diego - Seattle/Tacoma Intl), you can expect to pay $64 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 72 hours 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 72 hours 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 59m
Average temperature for October in Seattle
60.8 °F
Avg rainfall for October in Seattle
3.5 ″

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
United Airlines
$67 $153 No cancel fee 69%
Alaska Airlines
$68 $185 No cancel fee 75%
Delta
$68 $194 No cancel fee N/A
Spirit Airlines
$76 $168 No cancel fee 65%
American Airlines
$103 $270 No cancel fee 71%
Frontier
$113 $227 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.

Southwest
$191 $355 No cancel fee 63%

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 71% of SAN to SEA departures
Afternoon Noon to 6 PM 15% of SAN to SEA departures
Evening 6 PM to midnight 9% of SAN to SEA departures
Early morning Midnight to 6 AM 5% 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
11 daily flights
Monday
16 daily flights
Tuesday
21 daily flights
Wednesday
21 daily flights
Thursday
14 daily flights
Friday
16 daily flights
Saturday
13 daily flights
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