SAN - SEA

$80 Find Cheap Flights from San Diego to Seattle - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$168
Typical prices: $192-$365
Frontier
Wed 11/7Wed 11/14
SAN - SEA • 1 stop
Cheapest non-stop
$182
Typical prices: $192-$367
Southwest
Tue 11/13Fri 11/16
SAN - SEA • Non-stop
Advice from real travelers
Alaska Premium Class adds priority boarding; Delta Comfort Plus gives extra legroom.
Delta offers free Wi-Fi; Alaska has a 20-minute baggage guarantee on this route.
Expert advice
+1
Expert advice
+1
Nonstop flights
You can fly direct with Alaska Airlines, Delta and Southwest. Average duration is 3h 08m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 92% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 6 weeks in advance save around 62% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 26% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $227 (round-trip)
Shortest trip • 4h 26m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Diego to Seattle

Wed, Oct 21 - Mon, Oct 26
Alaska Airlines Logo
11:10 am - 2:17 pmSAN  San Diego-SEA Seattle/Tacoma Intl
3h 07mnonstop
Alaska Airlines Logo
9:08 pm - 11:59 pmSEA  Seattle/Tacoma Intl-SAN San Diego
2h 51mnonstop
$157Alaska Airlines
Thu, Oct 15 - Thu, Oct 22
Southwest Logo
7:25 am - 10:30 amSAN  San Diego-SEA Seattle/Tacoma Intl
3h 05mnonstop
Southwest Logo
7:40 am - 10:35 amSEA  Seattle/Tacoma Intl-SAN San Diego
2h 55mnonstop
$157Southwest
Sat, Oct 24 - Sat, Oct 24
Southwest Logo
7:15 am - 10:20 amSAN  San Diego-SEA Seattle/Tacoma Intl
3h 05mnonstop
Southwest Logo
2:05 pm - 5:00 pmSEA  Seattle/Tacoma Intl-SAN San Diego
2h 55mnonstop
$157Southwest
Sat, Nov 7 - Sat, Nov 14
Frontier Logo
6:25 am - 3:12 pmSAN  San Diego-SEA Seattle/Tacoma Intl
8h 47m1 stop Denver Intl
Frontier Logo
4:27 pm - 11:57 pmSEA  Seattle/Tacoma Intl-SAN San Diego
7h 30m1 stop Denver Intl
$168Frontier
Sat, Nov 7 - Sat, Nov 14
Frontier Logo
10:56 am - 6:54 pmSAN  San Diego-SEA Seattle/Tacoma Intl
31h 58m2 stops San Francisco Los Angeles Los Angeles
Frontier Logo
4:27 pm - 11:57 pmSEA  Seattle/Tacoma Intl-SAN San Diego
7h 30m1 stop Denver Intl
$169Frontier
Sat, Oct 17 - Sun, Oct 18
Alaska Airlines Logo
4:24 pm - 10:00 pmSAN  San Diego-SEA Seattle/Tacoma Intl
5h 36m1 stop Oakland
Alaska Airlines Logo
7:04 am - 10:06 amSEA  Seattle/Tacoma Intl-SAN San Diego
3h 02mnonstop
$191Alaska Airlines
Wed, Nov 4 - Sun, Nov 8
Delta Logo
7:45 am - 10:58 amSAN  San Diego-SEA Seattle/Tacoma Intl
3h 13mnonstop
Delta Logo
7:15 am - 10:07 amSEA  Seattle/Tacoma Intl-SAN San Diego
2h 52mnonstop
$207Delta
Fri, Dec 4 - Tue, Dec 8
Delta Logo
11:06 am - 2:21 pmSAN  San Diego-SEA Seattle/Tacoma Intl
3h 15mnonstop
Delta Logo
7:15 am - 10:11 amSEA  Seattle/Tacoma Intl-SAN San Diego
2h 56mnonstop
$207Delta
Sat, Oct 17 - Tue, Oct 20
American Airlines Logo
6:15 am - 1:47 pmSAN  San Diego-SEA Seattle/Tacoma Intl
7h 32m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 12:18 pmSEA  Seattle/Tacoma Intl-SAN San Diego
6h 18m1 stop Phoenix Sky Harbor Intl
$217American Airlines
Wed, Dec 2 - Wed, Dec 9
American Airlines Logo
6:25 am - 1:51 pmSAN  San Diego-SEA Seattle/Tacoma Intl
7h 26m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:20 am - 12:15 pmSEA  Seattle/Tacoma Intl-SAN San Diego
5h 55m1 stop Phoenix Sky Harbor Intl
$217American Airlines
Booking Insights

Price, demand and travel trends for San Diego to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from San Diego to Seattle with more confidence.

How much is a round-trip flight from San Diego to Seattle?

Round-trip flights from San Diego to Seattle start at $168. Prices are below average for this route right now, with typical round-trip fares ranging from $192 to $365. The lowest price found in the past 5 days was $168 on Frontier.

What's the cheapest day of the week to fly from San Diego to Seattle?

Tuesday is the cheapest day of the week to fly from San Diego to Seattle, it is 11% cheaper than the average day. Sunday is the most expensive day with flight prices 29% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•January is the cheapest month to fly from San Diego to Seattle at $198 round-trip.
•July ($318) and June ($301) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 60% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from San Diego to Seattle the cheapest?

Flights from San Diego to Seattle are cheapest 6 weeks before departure. Booking in this window typically costs about 62% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from San Diego to Seattle

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Brandon Schultz

Brandon Schultz

Expert on SAN

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Key details for San Diego to Seattle flights

Low season

February

Cheapest flight

$80
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from San Diego to Seattle

When to book flights from San Diego to Seattle

Are your dates flexible? Find out the best times to travel from San Diego to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from San Diego to Seattle: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from San Diego to Seattle 
MaryFlew with Alaska Airlines-Apr 2026
If any one has a hard time walking long distances automatically ask for wheelchair assistance the person helps guide you to your gate and there is a lot of walking
crd041678Flew with Alaska Airlines-Apr 2024
Arrive early. May want to pay for the upgrade to a better seat. Early boarding is best.

Your San Diego to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Are the lounges at the San Diego airport free?

    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.

  • Are there charging stations at Seattle Airport?

    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.

  • Are there any hotels near the San Diego airport?

    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.

  • Is there free Wi-Fi at Seattle Airport?

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

  • Which airlines offer eco-friendly flights from San Diego to Seattle?

    On average, each passenger flying from San Diego to Seattle emits about 1,882 pounds. Spirit Airlines and Delta offer some of the most eco-friendly flights to San Diego to Seattle. These airlines offer nonstop and one-stop San Diego-to-Seattle flights and emit around 35 – 38% less carbon than most of the major airlines flying this route.

  • Are there public transportation options to San Diego International Airport from downtown San Diego?

    Yes, Metropolitan Transit System (MTS) Bus Route 992 runs between SAN and downtown San Diego. It operates daily from 4:15 a.m. to midnight, with service every 15 minutes.

  • What are the common stopover options for flights from San Diego to Seattle?

    Several airlines offer nonstop flights from San Diego to Seattle. Flights with a single layover en route are also available; the layover city depends on the airline. Alaska Airlines, Delta, and United Airlines offer some of these flights with common layover options being at San Francisco International Airport (SFO), Los Angeles International Airport (LAX), and Portland International Airport (PDX).

  • Does Seattle-Tacoma International Airport offer pet amenities?

    Yes, SEA is a pet-friendly facility with pet-relief areas both inside and outside the terminals. The outdoor pet-relief areas are just outside Door 05, Door 26, and Door 27. One of the indoor pet-relief areas is near the Concourse B exit in the Central Terminal. SAN's pet-relief areas are equipped with pet waste bags, paper towel dispensers, and hand sanitizer.

  • Does SAN offer support for travelers with special needs?

    Yes, SAN offers wheelchair assistance for travelers with special needs. All airlines operating at SAN provide wheelchair assistance, which can be requested through the airline's accessibility department before travel.

  • Does Seattle-Tacoma International Airport (SAN) offer support for travelers with special needs?

    Yes, SAN is a fully accessible airport with lots of services and amenities for travelers with special needs. All airlines flying through SAN offer wheelchair assistance services to their passengers, which you can request by visiting your airline's ticket counter. Accessible amenities available at SAN include a sensory room, accessible parking, and restrooms.

  • Does Seattle-Tacoma International Airport offer pet amenities?

    Yes, Seattle-Tacoma International Airport (SEA) is a pet-friendly facility with pet-relief areas both inside and outside its terminals. The outdoor pet-relief areas are outside Door #33, Door #26, near Door #00/02 and near the parking garage. One of the indoor pet-relief areas is near A10 in Concourse A.

  • Which family services will I find when flying from San Diego to Seattle?

    SEA offers a children’s play area where you can take your kids to relax after your flight. The airport recommends the play area be used by children under 100 pounds and less than for feet tall. SAN’s play area is between the Central Terminal and A Gates.

  • Are the lounges at the San Diego airport free?

    All lounges at San Diego International Airport (SAN) offer free Wi-Fi. They include Aspire Lounge, Chase Sapphire Lounge, Delta Sky Club, United Club and USO.

  • Are there public transportation options to San Diego International Airport from downtown San Diego?

    Yes, you can easily get to SAN from downtown San Diego using public transportation. One of the options is to take buses operated by the Metropolitan Transit System (MTS), which runs on Bus Route 992. These buses directly link the airport to downtown San Diego. They run every 15 minutes on weekdays and every 30 minutes on weekends and public holidays.

  • Is there free Wi-Fi at Seattle Airport?

    Yes, free Wi-Fi is available, though it may not be offered in every area and may not always be operating.

  • Are there charging stations at Seattle Airport?

    Yes, Fuel Rod charging stations are available in both terminals. Power banks can be purchased at the charging stations. Seat power outlets are also located at the gate waiting bays for charging mobile devices.

  • Which airlines offer extra legroom and free seat selection on San Diego to Seattle flights?

    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
    • American Airlines: offers free seat selection

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

  • What airlines are available from San Diego to Seattle?

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

    • Alaska Airlines
    • Delta
    • Southwest

  • Which airports can I use when flying from San Diego to Seattle?

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

  • Which airlines include bags at no extra cost on San Diego to Seattle flights?

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

    • Alaska Airlines: a cabin bag and a checked bag in Economy Class
    • Delta: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in First Class

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

  • What cabin classes can I book on flights from San Diego to Seattle?

    Three cabin classes are available on flights from San Diego to Seattle:

    • Economy Class
    • Business Class
    • First Class

  • How much can I save by taking a layover when flying from San Diego to Seattle?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $227 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $269 for nonstop.

  • What is the standard checked-bag allowance on flights from San Diego to Seattle?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from San Diego to Seattle?

    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 737-900 variants.

  • Which airports do connecting flights from San Diego to Seattle pass through?

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

    • Denver Intl (DEN) - 58% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 9% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 9% of one-stop connections
    • San Francisco (SFO) - 9% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from San Diego to Seattle?

    Yes. Being flexible with your travel dates can save you up to 32% on the San Diego to Seattle route. Tuesday is the cheapest departure day at $239 round-trip on average, while Sunday is the most expensive at $347, a difference of $108. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from San Diego to Seattle?

    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 3 months, with delays averaging 2 hours 28 minutes.

  • How are flight departures from San Diego to Seattle spread across the day?

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

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

  • What are the earliest and latest flights from San Diego to Seattle?

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

    • Earliest: departs at 6:15 am and lands at 9:23 am
    • Latest: departs at 8:28 pm and lands at 11:36 pm.

    The flight takes about 3h 08m.

  • How expensive are last-minute San Diego to Seattle flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 111% above the route average of $268. Book 6 weeks before departure for the lowest fares.

  • How long is a flight from San Diego to Seattle?

    A nonstop flight from San Diego to Seattle takes 3h 08m, covering 1,051 miles.

  • Do I need a passport to fly from San Diego to Seattle?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from San Diego to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $157 to $960. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from San Diego to Seattle looking right now?

    One-way fares from San Diego to Seattle are currently lower than usual. Average one-way flight prices are about $98, which is 55% below the typical average for this route.

  • How does Delta’s on-time performance compare to other airlines on San Diego to Seattle flights?

    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: 70% on time

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

  • How do delay rates compare for morning and evening flights from San Diego to Seattle?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport from San Diego to Seattle?

    Flying via San Jose (SJC) gives the shortest average 1-stop total travel time at 4h 26m, compared with 4h 58m via San Francisco (SFO) and 5h 01m via Sacramento Intl (SMF).

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Dollar

  • How much should I expect to pay for a San Diego to Seattle flight?

    Round-trip flights from San Diego to Seattle range from $192 to $365, with an average of $268 over the past 12 months. Anything below $192 counts as a good deal.

  • Which airlines offer Wi-Fi on San Diego to Seattle flights?

    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.

Your guide to booking San Diego to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $239 - about $108 less than Sunday (31% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 62% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Diego to Seattle trip for January. Fares historically average $198 round-trip in that month - typically $120 less than the most expensive month, which is July (based on the last 12 months).
  • If arriving on time is high on your priority list, Delta is the strongest pick on this route. 92% of Delta flights from San Diego to Seattle arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 89%. When flights on this route do arrive late, the average delay is 2 hours 28 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Las Vegas Harry Reid Intl Airport (LAS) can be cheaper than flying direct. The cheapest layover option averages $227 round-trip on this route - about $42 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
  • San Diego airport, also known as Lindbergh Airport, is approximately 3 miles northwest of San Diego downtown, California. This airport is managed and operated by the San Diego county airport authority. The airport offers domestic and international flights.
  • The San Diego airport has a wide selection of parking lots: terminal 1 parking lots, terminal 2 parking lots, the parking plaza, curbside valet parking, long-term parking, and cellphone parking lots. For the first 10min, parking is free. You will have to pay approximately $1.59 for any extra 30min of parking. You will have to pay approximately $15.90 per day for the long-term parking lot and approximately $31.76 for the valet parking option.
  • It is easy to maneuver in and out of Seattle Airport due to the numerous transport options available. You can board the Seattle Streetcars, which will connect you to nearby cities. The fare is approximately $1.99 for an adult passenger. You can also reserve a bike before your arrival. The bikes have a maximum speed of 15mph, and you will only have to part with approximately $0.07 per ride minute. Rental cars and limousine transportation services are also available upon reservation.
  • San Diego has two main terminals, namely terminals 1 and 2. Terminal 1 is strictly reserved for domestic flights, while Terminal 2 is for international flights. Terminal 1 has two levels: ground floor level and mezzanine level. Lounges are located at the mezzanine level, while transportation service, check-in, and check-out areas are accessible from the ground floor level. Terminal 2 is divided into the ground floor level and the second level. Arrivals and departure areas are found on the ground floor, whereas all basic and social services are found on the second level.
  • Seattle Airport has nursing amenities to cater to young children and their parents. The nursing suites have comfortable seats, changing tables, sinks, and other amenities and are close to the Alaska lounge on the Mezzanine level. Nursing pods are also available for single use. You should ensure you carry all your belongings after leaving and that you don't exceed the allocated time.
  • Seattle-Tacoma International Airport (SEA) is a primary hub for Alaska Airlines, and it also serves as a hub for Delta Air Lines. When flying to SEA from San Diego, consider flying with either of these airlines as you will find more flight options.
  • When booking your trip, look for flights through San Diego airport, also known as Lindbergh Field. It is about 3 miles northwest of downtown San Diego and offers both domestic and international flights. The airport is managed by the San Diego County Airport Authority.
  • Alaska Airlines is one of the best airlines for families flying from San Diego to Seattle. The airline offers flights with expansive seating, kid-friendly foods, entertainment onboard, and preboarding for parents with young children.
  • For a simple way to get to and from Seattle Airport, take Sound Transit’s Link light rail. It runs from Federal Way to Lynnwood and a complimentary Train-to-Plane shuttle connects the terminal with the Link light rail station. You can also reserve a rental car or limousine service.
  • Getting around San Diego Airport (SAN) is easy, thanks to the free Airport Loop Shuttle. The shuttle offers 24-hour transportation within the airport, making frequent trips between the airport's parking lots and terminals.
  • When navigating San Diego International Airport, check which terminal your flight uses before heading in. SAN has two main terminals, 1 and 2. Terminal 1 is not strictly reserved for domestic flights and Terminal 2 handles international arrivals without being international-only. In Terminal 1, the ground-transportation plazas are in front of the terminal, check-in is on Level 2 and baggage claim is on Level 1. In Terminal 2, lounges are on the mezzanine level and the terminal is split between the ground floor and second level. Basic and social services are spread across more than one level.
  • If you're flying from Seattle to San Diego, start with Alaska Airlines or Delta Air Lines. Seattle-Tacoma International Airport (SEA) is a hub for both and Delta typically operates 4 to 5 nonstop flights each day.
  • Use the free Rental Car Center Shuttle to travel between the terminals and the Rental Car Center. It runs 24 hours a day.
  • Use the nursing suites near the Alaska Lounge on the mezzanine level when traveling with a young child. They have comfortable seats, changing tables, sinks and other amenities. Single-use nursing pods are also available. Take your belongings when you leave and follow the posted time limit.

Prefer to fly direct from San Diego to Seattle?

 
Find which airlines fly direct from San Diego Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

San Diego to Seattle/Tacoma Intl

Monday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Tuesday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Wednesday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Thursday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Friday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Saturday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Sunday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

See more direct flights

Direct returns

Seattle/Tacoma Intl to San Diego

Monday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Tuesday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Wednesday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Thursday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Friday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Saturday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Sunday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

See more direct flights

More options for your flight from San Diego to Seattle

Complete your trip to Seattle with a hotel stay or car rental