Ready to explore weekend getaways? After researching weekend flight pricing and availability patterns out of Seattle-Tacoma International Airport (SEA), we've found the top 8 cheapest nonstop roundtrip destinations reachable on a 3-day weekend from Seattle. All cities on this list are connected by direct, roundtrip flights—no connections, no time wasted.
Here's what we found. The top 8 cheapest weekend destinations from Seattle:
- Denver, CO (DEN)
- San Jose, CA (SJC)
- Spokane, WA (GEG)
- San Diego, CA (SAN)
- Phoenix, AZ (PHX)
- Portland, OR (PDX)
- Sacramento, CA (SMF)
- Las Vegas, NV (LAS)
1) Denver, CO (DEN) for $50
Our study indicates that Denver from SEA has Fri–Mon fares that are dramatically cheaper than the Thu–Sun alternative. The 7:10 pm Friday departure is the most common time we've tracked. Fri–Mon tends to be the much cheaper option when both schedules are available.

Top things to do: Denver, CO
Denver delivers mountain access and creative urban culture—Red Rocks for hiking and concerts, the RiNo Art District's street art and breweries, and easy Rocky Mountain adventures. Light rail and rideshares work; a rental car opens wilderness access. The high altitude takes adjustment, but the reward is crisp air and constant sunshine. Check out our Weekend Guide to Denver for even more travel ideas.
2) San Jose, CA (SJC) for $50
Based on flight data from our analysis, SJC from SEA barely surfaced in our research. Just a couple of cheap fares appeared, split across both schedules. The Fri–Mon fares are the cheaper option. The 8:47 pm Friday departure is the one to watch. Infrequent but solid value when it appears.

Top things to do: San Jose, CA
San Jose blends tech culture with genuine character—the Rosicrucian Museum offers unexpected art, the rose gardens deliver botanical beauty, and the Vietnamese community creates California's best pho. Rideshares work; light rail connects neighborhoods. The transformation of the dining scene reflects the global tech community. Check out our Weekend Guide to San Jose for even more travel ideas.
3) Spokane, WA (GEG) for $50
Our flight research demonstrates that Spokane shows up only occasionally from SEA, and when it does, the Thursday-departing fares are the better deal. The Friday fares shoot up significantly by comparison. The 8:15 pm Thursday departure is the one to grab. If you want a quick in-state escape, Thursday is where the value is.

Top things to do: Spokane, WA
Spokane is a genuine outdoor city—Riverfront Park offers urban trails and attractions, the nearby Coeur d'Alene mountains provide hiking and water access, and the city center has revitalized into a walkable destination. A rental car helps explore the wider region; downtown is walkable. The creative community and affordable culture attract artists and outdoor enthusiasts.
4) San Diego, CA (SAN) for $100
Data from our study shows that San Diego appeared only a couple of times in our research, and the Thursday-departing fares are cheaper when San Diego does appear. The 7:49 pm Thursday departure is the one to book. Not a guaranteed find, but a genuinely strong deal when it surfaces.

Top things to do: San Diego, CA
San Diego delivers perfect weather and coastal culture—La Jolla's dramatic cliffs and tide pools, Balboa Park's museums and gardens, and the Pacific Beach boardwalk blend culture with relaxation. Rideshares and rental cars both work; neighborhoods are distinct. The year-round 70-degree weather and genuine tacos are life-changing. Check out our Weekend Guide to San Diego for even more travel ideas.
5) Phoenix, AZ (PHX) for $150
Based on our 2026 flights study, Phoenix from SEA surfaces occasionally. Limited availability, but the Thursday-departing fares are the cheaper option on this route. The 6:59 pm Thursday departure is the most common time we've seen. Worth watching, as the price is often strong when it appears.

Top things to do: Phoenix, AZ
Phoenix offers desert beauty and warmth—Camelback Mountain's intense hike, the Desert Botanical Garden's unique plant collections, and the Roosevelt Row Arts District create surprising aesthetics. Rideshares and cars work; sprawl is real. The food scene has evolved with serious culinary ambition and Southwestern innovation. Check out our Weekend Guide to Phoenix for even more travel ideas.
6) Portland, OR (PDX) for $200
Our flights study reveals that Portland from SEA is an occasional find with both Thu–Sun and Fri–Mon fares appearing in limited quantities when it does surface. The price gap between the two schedules is minimal here. The 9:42 pm Friday departure is the most common time we've tracked. A quick, affordable neighbor-city hop.

Top things to do: Portland, OR
Portland is a walkable creative city—Powell's Books and Pearl District galleries, Forest Park urban trails, and neighborhood breweries offer endless discovery. Bicycles and public transit handle transportation; a car is optional. The local-first philosophy means exceptional food and genuine community character. Check out our Weekend Guide to Portland for even more travel ideas.
7) Sacramento, CA (SMF) for $200
According to data from our study, Sacramento from SEA is extremely rare in our research. Sacramento appeared just once, and only on the Fri–Mon schedule. But the price is exceptional when Sacramento does surface. The 7:54 pm Friday departure is the one to watch. It won't be around long when it appears.

Top things to do: Sacramento, CA
Sacramento reveals California's agricultural and political heart—the Gold Rush Old Town offers history and restaurants, the State Railroad Museum showcases heritage, and the American River trail provides urban biking. Rideshares and cars both work; downtown is walkable. The farm-to-table movement started here; local food culture dominates. Check out our Weekend Guide to Sacramento for even more travel ideas.
8) Las Vegas, NV (LAS) for $300
Statistically speaking, Vegas from SEA barely showed up in our research. Just one cheap fare surfaced, on the Fri–Mon schedule. But the price is outstanding. The 8:10 pm Friday departure is the one to watch. A true sleeper deal when it surfaces.

Top things to do: Las Vegas, NV
Vegas delivers maximum entertainment—the Strip's sensory spectacle, Fremont Street's vintage neon, and the Bellagio shows create pure escapism. Monorail and rideshares eliminate the need for a car; everything is walkable and compact. World-class restaurants and rooftop bars add sophistication to the entertainment. Check out our Weekend Guide to Las Vegas for even more travel ideas.
Ready to escape Seattle for a weekend?
On Skyweekend, you could find cheap, last-minute weekend flights from Seattle to anywhere across the US. Our flights are roundtrip and perfectly-timed for a weekend getaway. Explore flights.