Dallas (DAL) to Seattle (SEA) flights
One airline flies nonstop from Dallas (DAL) to Seattle (SEA): Southwest Airlines. The two airports are 1,668 miles (2,684 km) apart. There are also 41 ways to fly it with one stop, through Hayden, Denver and Salt Lake City and more.
Airlines flying nonstop from DAL to SEA
- Southwest AirlinesNot in an allianceWho books it
DAL to SEA with one stop
41 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Hayden (HDN)Southwest Airlines, then Alaska Airlines
- Via Denver (DEN)Southwest Airlines the whole way
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- Via Salt Lake City (SLC)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Oklahoma City (OKC)Southwest Airlines, then Alaska Airlines
- Via Bozeman (BZN)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Portland (PDX)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Albuquerque (ABQ)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Tulsa (TUL)Southwest Airlines, then Alaska Airlines
- Via Reno (RNO)Southwest Airlines, then Alaska Airlines
- Via El Paso (ELP)Southwest Airlines, then Alaska Airlines
- Via Las Vegas (LAS)Southwest Airlines the whole way+2
- Via Kansas City (MCI)Southwest Airlines the whole way
- Via Omaha (OMA)Southwest Airlines, then Alaska Airlines
- Via Austin (AUS)Southwest Airlines the whole way
- Via Phoenix (PHX)Southwest Airlines the whole way
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DAL to SEA: common questions
Which airlines fly nonstop from DAL to SEA?
Southwest Airlines flies nonstop from Dallas (DAL) to Seattle (SEA).
How far is Dallas from Seattle by plane?
Dallas (DAL) and Seattle (SEA) are 1,668 miles (2,684 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does DAL to SEA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for DAL to SEA with taxes and fees.
Where can I connect between Dallas and Seattle?
The most direct connections are through Hayden (HDN), Denver (DEN), Salt Lake City (SLC), Oklahoma City (OKC) and Bozeman (BZN). On 15 of them the same airline flies both flights, for example Southwest Airlines through Denver.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.