C$ 110 Find Cheap Flights from San Diego to Seattle – Compare and Save

These are the earliest and latest flight times available from San Diego to Seattle:

• Earliest: departs at 6:15 am and lands at 9:27 am
• Latest: departs at 8:28 pm and lands at 11:40 pm.

The flight takes about 3h 12m.

Only Economy Class is available on flights from San Diego to Seattle.

A direct flight from San Diego to Seattle takes 3h 12m, covering 2,721 km.

No, a passport is not required for this domestic route, but you will need another form of identification, such as a driver's licence.

Round-trip flights from San Diego to Seattle range from C$ 263 to C$ 511, with an average of C$ 375 over the past 12 months. Anything below C$ 263 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 119% above the C$ 375 route average. Book 6 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 359 round-trip via Las Vegas Harry Reid Intl (LAS), compared to C$ 374 for direct.

Delta is slightly above the route average for timely arrivals, while Alaska Airlines has a lower on-time arrival rate. On-time arrival rates on San Diego to Seattle flights are:

• Delta: 92% on time
• Alaska Airlines: 88% on time
• Southwest: 69% on time

On average, flights on this route are punctual 89% of the time.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 49–C$ 140 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Alaska Airlines and Southwest. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

Morning is the busiest departure period on San Diego to Seattle flights, with 41% leaving in that window. Afternoon departures account for 33%, Evening flights for 26%, and Night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 183 to C$ 1,046. That means the highest observed fare was about 6x higher than the lowest one.

Three airlines offer in-flight Wi-Fi on San Diego to Seattle flights:

• Alaska Airlines
• Delta
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from San Diego to Seattle are currently lower than usual. Average one-way flight prices are about C$ 128, which is 58% below the typical average for this route.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates averaging C$ 86 for economy cars. Top options include:

• Fox
• Europcar
• Thrifty
• Budget
• Hertz

Flights from San Diego to Seattle usually depart from San Diego (SAN) and arrive at Seattle/Tacoma Intl (SEA).

Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the San Diego to Seattle route, 11% of flights were delayed in the past three months, with delays averaging 2h 30m.

One-stop flights from San Diego to Seattle most commonly connect through:

• Denver Intl (DEN) – 51% of one-stop connections
• San Francisco (SFO) – 13% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) – 12% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) – 11% of one-stop connections

Yes. Flexible dates can save you up to 28% on flights from San Diego to Seattle. Tuesday is the cheapest departure day at C$ 340 round-trip on average, while Sunday is the most expensive at C$ 466, a difference of C$ 126.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

3 airlines operate flights between San Diego and Seattle. The airlines offering direct flights on this route include:

• Alaska Airlines
• Delta
• Southwest

Flying via San Jose (SJC) gives the shortest average 1-stop total travel time at 4h 26m, compared with 5h 07m via San Francisco (SFO) and 5h 09m via Sacramento Intl (SMF).

Some of the most popular sights in Seattle are Lumen Field, T-Mobile Park, and Seattle Waterfront. These are among the most viewed places in Seattle on KAYAK.

Among airlines operating San Diego to Seattle flights:

• Alaska Airlines: offers extra legroom; offers free seat selection
• Delta: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a carry-on bag and a checked bag in Economy Class
• Delta: a carry-on bag and a checked bag in Economy Class
• American Airlines: a carry-on bag and a checked bag in First Class

Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Not all lounges at the San Diego airport are free of charge to access. There is a main lounge at the airport that is free to access, but you will have to pay some extra cash for meals. Free Wi-Fi is available in all the lounges. Paid lounges include Alaska lounge, Delta lounge, and the Star Brass lounges, which charge an approximate fee of $1.59.

Yes, there are charging stations in most parts of the airport. You can purchase a power bank at the charging stations for approximately $15.90. You can charge your mobile devices using the seat power outlets found at the gate waiting bays.

Many hotels are available near the San Diego airport, including the Courtyard hotel, located approximately 1 mile away, which charges around $150 per night. The Wyndham hotel charges around $80 per night and is approximately 2 miles from the airport.

Yes, free Wi-Fi is available throughout the terminals. The signal strength will vary depending on the Terminal.