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Direct Flights from Seattle (SEA): All Nonstop Destinations [2026]
Every nonstop destination, airline, and cheapest route from Seattle-Tacoma International Airport.
Where
Seattle-Tacoma International Airport (SEA) offers nonstop flights to over 95 destinations, served by Alaska Airlines, Delta, United, Southwest, and more. The cheapest nonstop destination is Las Vegas, with roundtrip fares often under $120. Major carriers provide extensive domestic and international options from Seattle.
Direct Flights from Seattle (SEA): All Nonstop Destinations [2026]
Direct flights from Seattle connect travelers to more than 95 nonstop destinations across the United States, Canada, Europe, Asia, and Mexico in 2026. Major airlines operating nonstop from SEA include Alaska Airlines, Delta Air Lines, Southwest Airlines, United Airlines, American Airlines, Air Canada, British Airways, Lufthansa, and ANA. Whether you are flying to Los Angeles, New York, Tokyo, London, or Cancun, Seattle-Tacoma International Airport (SEA) is a leading West Coast hub for both business and leisure travelers. The airport's robust route map allows you to fly direct to dozens of domestic cities and over a dozen international destinations, with frequent departures daily. For the latest fares and to book your next trip, search flights on Travorio.
All Nonstop Destinations from Seattle
Seattle-Tacoma International Airport serves over 95 nonstop destinations, including 70+ domestic, 4 Caribbean/Mexico, and 16 international cities. Alaska Airlines, Delta, United, Southwest, Air Canada, and international carriers offer direct flights from Seattle to major cities across North America, Europe, and Asia.
Domestic: Nonstop flights are available to New York (JFK, EWR), Los Angeles (LAX), San Francisco (SFO), Chicago (ORD), Denver (DEN), Dallas (DFW), Atlanta (ATL), Boston (BOS), Las Vegas (LAS), Phoenix (PHX), Honolulu (HNL), Orlando (MCO), and Miami (MIA). Alaska Airlines and Delta are the primary carriers, with Southwest, United, and American also operating key routes.
Caribbean/Mexico: SEA offers nonstop service to Cancun (CUN), Puerto Vallarta (PVR), Los Cabos (SJD), and Mazatlán (MZT) on Alaska Airlines, Delta, and sometimes Sun Country.
International: Travelers can fly nonstop to London (LHR) with British Airways, Paris (CDG) with Air France, Frankfurt (FRA) with Lufthansa, Amsterdam (AMS) with Delta and KLM, Tokyo (NRT, HND) with Delta and ANA, Seoul (ICN) with Korean Air, Shanghai (PVG) with Delta, and Vancouver (YVR) with Air Canada and Alaska.
Cheapest Nonstop Flights from SEA
The most affordable nonstop flights from Seattle often include Las Vegas, Los Angeles, Phoenix, San Diego, and San Francisco. Alaska Airlines, Southwest, and Delta typically operate these popular routes.
Sample roundtrip prices in 2026: Las Vegas (LAS) for $110-$140 (Alaska, Southwest), Los Angeles (LAX) for $130-$170 (Alaska, Delta, American), Phoenix (PHX) for $140-$180 (Southwest, American, Alaska), San Diego (SAN) for $150-$190 (Alaska, Delta), and San Francisco (SFO) for $140-$170 (Alaska, United). Prices vary by season and sales but these routes regularly feature the lowest fares from SEA.
Airlines at Seattle-Tacoma International Airport
Seattle-Tacoma International Airport hosts over 30 airlines, with Alaska Airlines offering the most nonstop destinations - serving over 45 direct routes. Delta Air Lines follows with about 25, while United, Southwest, and American each serve 8-15 nonstop cities from SEA.
International carriers such as Air Canada (5+ cities), British Airways (London), Lufthansa (Frankfurt), ANA (Tokyo), Korean Air (Seoul), and Air France (Paris) add to the roster. For a full list of airlines and routes, visit the Seattle-Tacoma International Airport official site.
Best Time to Book Flights from Seattle
The cheapest months for domestic flights from SEA are January, February, and September. For international travel, late October through March often yields the lowest fares. Booking 2-3 months in advance for domestic and 4-6 months for international flights is optimal.
Tuesdays and Wednesdays are usually the least expensive days to fly from Seattle, while weekend departures cost more. Use fare alerts and flexible date searches to find the best deals, especially during off-peak seasons.
International Nonstop Flights from SEA
Seattle-Tacoma International Airport offers nonstop international flights to London (British Airways, 9h 30m), Paris (Air France, 10h), Frankfurt (Lufthansa, 10h 10m), Amsterdam (Delta/KLM, 9h 40m), Tokyo (Delta, ANA, 10h 30m), Seoul (Korean Air, 11h), Shanghai (Delta, 11h 20m), and Vancouver (Air Canada, 1h).
Additional nonstops include Montreal, Toronto, Reykjavik (Icelandair, 7h 30m), and Mexico destinations like Cancun and Puerto Vallarta on Alaska and Delta. These flights make SEA a major international gateway for the Pacific Northwest.
Seattle-Tacoma International Airport Tips
SEA consists of a central terminal with Concourses A-D and two satellite terminals (North and South). TSA PreCheck lanes are available in all checkpoints. On-site parking includes hourly, daily, and economy options, with a garage connected to the terminal.
Dining options range from Beecher’s Handmade Cheese to Starbucks Reserve and numerous bars. Lounges include Alaska Lounge, Delta Sky Club, United Club, and Centurion Lounge. Arrive at least 2 hours prior for domestic and 3 hours for international flights, especially during peak times.
Explore Seattle Before You Fly
Before your flight, explore top Seattle attractions like Pike Place Market, the Space Needle, Chihuly Garden and Glass, and the Museum of Pop Culture. Walk through the waterfront, Pioneer Square, or Capitol Hill for diverse food and shopping.
The airport is only 20 minutes from downtown via light rail, making it easy to enjoy the city before departure. Plan your sightseeing and Explore Seattle on the map.
How to Save on Flights from Seattle
To save on flights from SEA, book early and compare fares across airlines with compare flights on Travorio. Use flexible dates, set fare alerts, and consider flying midweek for lower prices.
Take advantage of split payment options via split payments with Sezzle to spread out costs. Paying with crypto on Travorio helps avoid foreign transaction fees for international flights.
Nonstop Destinations from SEA
Cheapest Routes from SEA
Frequently Asked Questions
Common questions answered clearly and concisely
Seattle-Tacoma International Airport offers nonstop flights to over 95 destinations, including 70+ domestic and 16 international cities. The network covers major U.S. cities, Canada, Europe, Asia, and Mexico.
Alaska Airlines, Delta Air Lines, United Airlines, Southwest, American Airlines, Air Canada, British Airways, Lufthansa, ANA, and Korean Air all operate nonstop flights from Seattle (SEA).
The cheapest nonstop flight from SEA is usually to Las Vegas, with roundtrip fares often between $110 and $140 on Alaska Airlines or Southwest.
Yes, nonstop international flights from Seattle include London, Paris, Frankfurt, Amsterdam, Tokyo, Seoul, Shanghai, Vancouver, Toronto, Cancun, and more, served by airlines like British Airways, Air France, Lufthansa, Delta, ANA, and Air Canada.
Arrive at least 2 hours before domestic flights and 3 hours before international departures at Seattle-Tacoma International Airport, especially during busy periods.
The longest nonstop flight from SEA is to Singapore (SIN) on Singapore Airlines, covering approximately 8,100 miles with a flight time close to 16 hours.
Yes, you can book flights from Seattle and pay later using split payment options like Sezzle on Travorio, making travel more affordable.
Seattle-Tacoma International Airport has several lounges, including Alaska Lounge, Delta Sky Club, United Club, The Club at SEA, and Centurion Lounge, available to eligible travelers.
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