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

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The best prices from San Diego to Seattle 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)

SAN - SEA
Price
$97 - $217
SEA
Temperature
46.4 - 77 °F
SEA
Rainfall
0.7 - 6.5 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

One-way from

$52

One-way flight from San Diego to Seattle

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Diego to Seattle?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Seattle. Check prices with Cheapflights to find a great deal for your trip.

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

Users have found that booking a flight from San Diego to Seattle at least 28 days early can save you up to 71% on average compared to booking a flight this week. If booking 28 days before your flight isn’t an option for you, users have found flights from San Diego to Seattle for as little as $123 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $189 for flights departing within the next 3 days.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, April can be a great choice for travel to Seattle. Flights to Seattle from San Diego in April are about $115 on average during April, but can be found for as low as $36.

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

It’s optimal to fly from San Diego to Seattle in the evening. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the morning.

Cheap flights from San Diego to Seattle in February, March 2021

17 Mar - 22 Mar
$84pp
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
3 Mar - 24 Mar
$86pp
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
31 Mar - 12 Apr
$88pp
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego

San Diego to Seattle 2021 flight deals

14 Apr - 21 Apr
$79pp
SAN
San Diego
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
8 Apr - 12 Apr
$83pp
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
17 Mar - 22 Mar
$84pp
SAN
San Diego
Multiple 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

15 May - 15 May
$112pp
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
19 Mar - 21 Mar
$117pp
SAN
San Diego
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SAN
San Diego
17 Apr - 23 Apr
$123pp
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

3 Mar - 24 Mar
$86pp
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
SAN
San Diego
5 Mar - 7 Mar
$88pp
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego
5 Mar - 8 Mar
$89pp
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego

One-way flights to Seattle from San Diego

5:44 am - 1:20 pm
Spirit Airlines
1 Stop
7h 36m
SAN - SEA
Spirit Airlines
$52
mytrip.com
6:10 am - 3:21 pm
Multiple Airlines
2 Stops
33h 11m
SAN - SEA
Multiple Airlines
$75
Gotogate
10:32 am - 4:43 am
Frontier
2 Stops
18h 11m
SAN - SEA
Frontier
$76
Gotogate

Related info for your journey

Flight FAQs

From San Diego to Seattle

Are flight prices decreasing from San Diego to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Diego and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from San Diego to Seattle/Tacoma Intl to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines and Delta are some airlines that have done so. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from San Diego to Seattle/Tacoma Intl. Policies will vary by airline.

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 $79, but on average you can expect to pay $94.

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 $165.

Are there last-minute flights available from San Diego to Seattle for under $100?

There are currently 20+ open flights from San Diego to Seattle within the next 7 days for less than $100.

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

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

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

6 flight departures from San Diego to Seattle/Tacoma Intl per day on average.
Morning (6am - Noon) - 83% of flight departures
Afternoon (Noon - 6pm) - 17% of flight departures

Does it rain more in San Diego or Seattle?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in San Diego is typically similar to Seattle. We can gather that this will continue over the next 11 days.

Is San Diego weather warmer or cooler than Seattle?

With an average temperature of 81 °F, peak weather can be found in August. As a traveler, expect to see changes in flight prices during that period. The temperatures in Seattle are colder than in San Diego.

How long is the flight from San Diego to Seattle?

Departing from San Diego to Seattle will take you 3h 01m. There are 1057 mi between San Diego and Seattle. This flight may include one or multiple stops.

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

Currently priced at $79, Spirit Airlines will fly you from San Diego to Seattle and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Frontier for as low as $88. You may be able to fly from San Diego to Seattle for 50% less than the average price by searching for these airlines.

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

One-way options have recently been found by users for as low as $40 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $42 and Delta from $59 one-way.

Alternative routes for San Diego to Seattle

Destination information for Seattle

Flight duration
2h 57m
Average temperature for February in Seattle
50.0 °F
Avg rainfall for February in Seattle
3.5 ″

Airports servicing San Diego

Airports servicing Seattle

Top 8 airlines flying from San Diego to Seattle

Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$67 $153 No cancel fee 69%
Spirit Airlines
$76 $168 No cancel fee 65%
Alaska Airlines
$68 $185 No cancel fee 75%
Delta
$68 $194 No cancel fee N/A
Frontier
$113 $227 No cancel fee 62%
American Airlines
$103 $270 No cancel fee 71%
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

Morning 6 AM to noon 59% of SAN to SEA departures
Afternoon Noon to 6 PM 22% of SAN to SEA departures
Evening 6 PM to midnight 14% 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
Sunday
9 daily flights
Monday
16 daily flights
Tuesday
12 daily flights
Wednesday
16 daily flights
Thursday
11 daily flights
Friday
10 daily flights
Saturday
6 daily flights
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