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Uncover the best deals on San Diego to Seattle flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest SAN - SEA Flights
Useful information for finding best airline tickets from San Diego International to Seattle Tacoma International on your next trip.
Cheapest Round Trip Flight
$257
Southwest Airlines
• 1 stop
• 7h 10m
Dec 26 – Dec 30
The cheapest round trip flight from San Diego to Seattle (SAN-SEA-SAN) is currently $257
Cheapest Direct Flight
$252
Southwest Airlines
• nonstop
• 5h 5m
Dec 26
The cheapest nonstop flight from San Diego to Seattle (SAN-SEA) is currently $252
Fastest Flight
4h 14m
The fastest nonstop flight from San Diego to Seattle (SAN-SEA) takes 4h 14m
Top Airlines Flying from San Diego to Seattle
Latest Flight Deals from San Diego (SAN) to Seattle (SEA)
Compare and book low fare round-trip air tickets from San Diego to Seattle. Ideal for travelers with confirmed return itineraries.
Dec 26 - Dec 30, Economy
San Diego → Seattle
7h 10m
7:35 PM - 12:05 AM • 1 stop
San Diego → Seattle
4h 10m
7:15 AM - 10:05 AM • nonstop
Southwest Airlines
Dec 26 - Dec 30, Economy
San Diego → Seattle
12h
6:50 AM - 2:10 PM • 1 stop
San Diego → Seattle
4h 10m
7:15 AM - 10:05 AM • nonstop
Southwest Airlines
Dec 26 - Dec 30, Economy
San Diego → Seattle
7h 35m
6:50 PM - 11:45 PM • 1 stop
San Diego → Seattle
4h 10m
7:15 AM - 10:05 AM • nonstop
Southwest Airlines
Dec 26 - Dec 30, Economy
San Diego → Seattle
11h 45m
3:55 PM - 11:00 PM • 1 stop
San Diego → Seattle
4h 10m
5:25 PM - 8:15 PM • nonstop
Southwest Airlines
Dec 26 - Dec 30, Economy
San Diego → Seattle
5h 18m
7:25 AM - 10:43 AM • nonstop
San Diego → Seattle
13h 24m
7:15 AM - 3:19 PM • 1 stop
Delta Airlines
Flying to Seattle soon? We've surfaced some of the most affordable last-minute flights from San Diego to Seattle, ideal for urgent plans or spontaneous trips.
Aug 29 - Sep 05, Economy
San Diego → Seattle
28h 54m
1:00 PM - 7:09 PM • 1 stop
San Diego → Seattle
4h 15m
2:37 PM - 11:51 PM • 1 stop
Alaska Airlines
Aug 29 - Sep 05, Economy
San Diego → Seattle
5h 9m
11:06 AM - 2:15 PM • nonstop
San Diego → Seattle
5h 2m
12:14 PM - 3:16 PM • nonstop
Delta Airlines
Aug 29 - Sep 05, Economy
San Diego → Seattle
28h 54m
8:45 PM - 11:52 PM • nonstop
San Diego → Seattle
4h 15m
2:18 PM - 5:13 PM • nonstop
Alaska Airlines
Aug 29 - Sep 05, Economy
San Diego → Seattle
28h 54m
3:50 PM - 6:52 PM • nonstop
San Diego → Seattle
4h 15m
2:18 PM - 5:13 PM • nonstop
Alaska Airlines
Aug 29 - Sep 05, Economy
San Diego → Seattle
5h 2m
7:03 AM - 10:05 AM • nonstop
San Diego → Seattle
22h 13m
8:00 PM - 9:33 AM • 1 stop
Delta Airlines
Looking for the fastest way to Seattle? These direct flight options from SAN to SEA offer both convenience and value—no layovers, just straight to your destination.
Dec 26 - Dec 30, Economy
San Diego → Seattle
5h 5m
5:40 PM - 8:45 PM • nonstop
San Diego → Seattle
4h 10m
7:15 AM - 10:05 AM • nonstop
Southwest Airlines
Dec 26 - Dec 30, Economy
San Diego → Seattle
5h 15m
9:40 AM - 12:55 PM • nonstop
San Diego → Seattle
4h 10m
5:25 PM - 8:15 PM • nonstop
Southwest Airlines
Dec 26 - Dec 30, Economy
San Diego → Seattle
5h 18m
7:25 AM - 10:43 AM • nonstop
San Diego → Seattle
5h 1m
9:49 AM - 12:50 PM • nonstop
Delta Airlines
Dec 26 - Dec 30, Economy
San Diego → Seattle
5h 12m
1:45 PM - 4:57 PM • nonstop
San Diego → Seattle
4h 16m
11:45 AM - 2:41 PM • nonstop
Delta Airlines
Dec 26 - Dec 30, Economy
San Diego → Seattle
5h 18m
6:40 PM - 9:58 PM • nonstop
San Diego → Seattle
5h 1m
7:15 AM - 10:16 AM • nonstop
Delta Airlines
FAQs on San Diego to Seattle Flights
What are the airports in San Diego?
SAN
What’s the most popular airline flying from SAN to SEA?
The most popular airline flying from San Diego to Seattle are
Can I fly from SAN to SEA non-stop?
Yes, you can fly SAN to SEA non-stop on
Which airlines fly nonstop between San Diego and Seattle?
The non-stop flights between San Diego and Seattle are .
What’s the earliest departure time from SAN to SEA Airport?
The earliest flight leaves SAN at 6:50 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my San Diego to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SAN to SEA?
Read the fare rules of the San Diego to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from San Diego and Seattle?
operate flights between San Diego and Seattle
How long does a flight from San Diego to Seattle take?
It takes approximately 3 hour to fly non-stop from SAN to SEA, which is 1050.29 miles by air.
Which airlines provide the cheapest flights from San Diego (SAN) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from SAN were found on DL : USD 591
Do I need a passport to fly between SAN and SEA?
No
What’s the latest departure time from SAN to SEA ?
The last flight leaves SAN at 8:45 pm
San Diego (SAN) to Seattle (SEA): Airport Information
| Origin Airport | San Diego International , San Diego, US |
| Destination Airport | Seattle Tacoma International , Seattle, US |
| Distance | 1050 miles |
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