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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

$68

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 58 days early can save you up to 60% on average compared to booking a flight this week. If booking 58 days before your flight isn’t an option for you, users have found flights from San Diego to Seattle for as little as $385 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 $513 for flights departing within the next 3 days.

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 December, January 2021

The best prices found for SAN to SEA flights for December, January
20 Dec - 28 Dec
$68pp
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego
13 Dec - 25 Dec
$73pp
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego
20 Dec - 6 Jan
$82pp
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 2021 flight deals

Cheap flights to Seattle from San Diego found for this year
20 Dec - 28 Dec
$68pp
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego
13 Dec - 25 Dec
$73pp
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego
20 Dec - 6 Jan
$82pp
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego

Non-stop flights to Seattle from San Diego

Save time with San Diego to Seattle direct flight deals
5 Jan - 5 Jan
$91pp
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
26 Dec - 5 Jan
$96pp
SAN
San Diego
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SAN
San Diego
10 Mar - 13 Mar
$97pp
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
11 Dec - 13 Dec
$68pp
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego
10 Dec - 13 Dec
$105pp
SAN
San Diego
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego
10 Dec - 14 Dec
$107pp
SAN
San Diego
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
SAN
San Diego

One-way flights to Seattle from San Diego

The cheapest one-way flights from San Diego to Seattle
2:00 am - 5:01 am
Delta
Nonstop
3h 01m
SAN - SEA
Delta
$68
Delta
5:45 am - 2:37 pm
American Airlines
1 Stop
8h 52m
SAN - SEA
American Airlines
5:22 am - 5:32 am
Spirit Airlines
2 Stops
24h 10m
SAN - SEA
Spirit Airlines
$80
Gotogate

Related info for your journey

Useful info, stats and facts about San Diego to Seattle flights.

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, Southwest, and Delta are some of the many 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 Frontier for just $68, but on average you can expect to pay $87.

Are there nonstop flights from San Diego to Seattle for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from San Diego to Seattle under $100. A good price for a nonstop flight from San Diego to Seattle is less than $143.

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, Tuesday, Wednesday, Thursday, Friday.

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

13 flight departures from San Diego to Seattle/Tacoma Intl per day on average.
Early Morning (Midnight to 6am) - 8% of flight departures
Morning (6am - Noon) - 38% of flight departures
Afternoon (Noon - 6pm) - 38% of flight departures
Evening (6pm - Midnight) - 15% 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 less than Seattle. We can gather that this will continue over the next 12 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 2h 55m. 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 $68, Frontier will fly you from San Diego to Seattle and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Alaska Airlines for as low as $97. You may be able to fly from San Diego to Seattle for 57% 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 $23 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $41 and Delta from $49 one-way.

Alternative routes for San Diego to Seattle

Destination information for Seattle

Things to know before you go. Useful info for your trip from San Diego to Seattle
Flight duration
2h 49m
Average temperature for December in Seattle
46.4 °F
Avg rainfall for December in Seattle
5.3 ″

Airports servicing San Diego

Airports servicing Seattle

Top 8 airlines from San Diego to Seattle

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%
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

Early morning Midnight to 6 AM 36% of SAN to SEA departures
Morning 6 AM to noon 32% of SAN to SEA departures
Afternoon Noon to 6 PM 26% of SAN to SEA departures
Evening 6 PM to midnight 6% 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
7 daily flights
Wednesday
10 daily flights
Thursday
3 daily flights
Friday
5 daily flights
Saturday
6 daily flights
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