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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
$122
Frontier Airlines
• 1 stop
• 9h 5m
Aug 07 – Aug 09
The cheapest round trip flight from San Diego to Seattle (SAN-SEA-SAN) is currently $122
Cheapest Direct Flight
$171
Alaska Airlines
• nonstop
• 4h 18m
Aug 07
The cheapest nonstop flight from San Diego to Seattle (SAN-SEA) is currently $171
Fastest Flight
4h 16m
The fastest nonstop flight from San Diego to Seattle (SAN-SEA) takes 4h 16m
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.
Aug 07 - Aug 09, Economy
San Diego → Seattle
9h 5m
10:10 AM - 9:04 AM • 1 stop
San Diego → Seattle
5h 57m
8:53 PM - 8:06 PM • 1 stop
Frontier Airlines
Aug 07 - Aug 09, Economy
San Diego → Seattle
4h 16m
1:34 PM - 4:30 PM • nonstop
San Diego → Seattle
4h 16m
7:15 AM - 10:11 AM • nonstop
Delta Airlines
Aug 07 - Aug 09, Economy
San Diego → Seattle
10h 5m
4:50 PM - 10:55 PM • 1 stop
San Diego → Seattle
4h 5m
9:05 AM - 11:50 AM • nonstop
Southwest Airlines
Aug 07 - Aug 09, Economy
San Diego → Seattle
8h 50m
1:15 PM - 6:45 PM • 1 stop
San Diego → Seattle
4h 10m
5:25 PM - 8:15 PM • nonstop
Southwest Airlines
Aug 07 - Aug 09, Economy
San Diego → Seattle
5h
7:00 PM - 10:00 PM • nonstop
San Diego → Seattle
4h 14m
2:23 PM - 5:17 PM • nonstop
American 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.
Jul 14 - Jul 15, Economy
San Diego → Seattle
28h 48m
5:06 PM - 10:34 AM • 1 stop
San Diego → Seattle
4h 14m
2:23 PM - 5:17 PM • nonstop
Alaska Airlines
Jul 14 - Jul 15, Economy
San Diego → Seattle
9h 5m
6:50 PM - 12:35 AM • 1 stop
San Diego → Seattle
27h 10m
6:15 AM - 10:45 PM • 1 stop
Southwest Airlines
Jul 14 - Jul 15, Economy
San Diego → Seattle
15h 40m
2:55 PM - 12:35 AM • 1 stop
San Diego → Seattle
23h 25m
6:15 AM - 8:20 PM • 1 stop
Southwest Airlines
Jul 14 - Jul 15, Economy
San Diego → Seattle
27h 35m
6:40 AM - 11:35 PM • 2 stops
San Diego → Seattle
13h 50m
5:40 AM - 2:10 PM • 1 stop
Southwest Airlines
Jul 14 - Jul 15, Economy
San Diego → Seattle
8h 39m
11:01 AM - 4:20 PM • 1 stop
San Diego → Seattle
8h 49m
5:20 PM - 10:49 PM • 1 stop
United 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.
Aug 07 - Aug 09, Economy
San Diego → Seattle
4h 18m
3:16 PM - 6:14 PM • nonstop
San Diego → Seattle
4h 9m
6:21 AM - 9:10 AM • nonstop
Alaska Airlines
Aug 07 - Aug 09, Economy
San Diego → Seattle
4h 16m
1:34 PM - 4:30 PM • nonstop
San Diego → Seattle
4h 16m
7:15 AM - 10:11 AM • nonstop
Delta Airlines
Aug 07 - Aug 09, Economy
San Diego → Seattle
5h
7:00 PM - 10:00 PM • nonstop
San Diego → Seattle
4h 14m
2:23 PM - 5:17 PM • nonstop
American Airlines
Aug 07 - Aug 09, Economy
San Diego → Seattle
5h 4m
- • nonstop
San Diego → Seattle
4h 9m
- • nonstop
Alaska Airlines
Aug 07 - Aug 09, Economy
San Diego → Seattle
10h 31m
11:21 AM - 2:25 PM • nonstop
San Diego → Seattle
38h 33m
8:00 AM - 10:53 AM • nonstop
Alaska 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 6:40 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 WN : USD 322
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 12:000 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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