Seattle (SEA) to Dallas (DAL) flights
One airline flies nonstop from Seattle (SEA) to Dallas (DAL): 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 SEA to DAL
- Southwest AirlinesNot in an allianceWho books it
SEA to DAL with one stop
41 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Hayden (HDN)Alaska Airlines, then Southwest Airlines
- Via Denver (DEN)Southwest Airlines the whole way
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- Via Salt Lake City (SLC)Alaska Airlines and Delta Air Lines, then Southwest Airlines
- Via Oklahoma City (OKC)Alaska Airlines, then Southwest Airlines
- Via Bozeman (BZN)Alaska Airlines and Delta Air Lines, then Southwest Airlines
- Via Portland (PDX)Alaska Airlines and Delta Air Lines, then Southwest Airlines
- Via Albuquerque (ABQ)Alaska Airlines and Delta Air Lines, then Southwest Airlines
- Via Tulsa (TUL)Alaska Airlines, then Southwest Airlines
- Via Reno (RNO)Alaska Airlines, then Southwest Airlines
- Via El Paso (ELP)Alaska Airlines, then Southwest Airlines
- Via Las Vegas (LAS)Southwest Airlines the whole way+2
- Via Kansas City (MCI)Southwest Airlines the whole way
- Via Omaha (OMA)Alaska Airlines, then Southwest Airlines
- Via Austin (AUS)Southwest Airlines the whole way
- Via Phoenix (PHX)Southwest Airlines the whole way
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SEA to DAL: common questions
Which airlines fly nonstop from SEA to DAL?
Southwest Airlines flies nonstop from Seattle (SEA) to Dallas (DAL).
How far is Seattle from Dallas by plane?
Seattle (SEA) and Dallas (DAL) 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 SEA to DAL cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to DAL with taxes and fees.
Where can I connect between Seattle and Dallas?
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.