Dallas/Fort Worth to Seattle-Tacoma
1658 miles great-circle distance, typically flown in 3h 44m with 5 airlines operating direct service from Dallas/Fort Worth (DFW) to Seattle-Tacoma (SEA). Cheapest fares are usually in Jun (around $116 return), with peak prices in Jun (around $116). Departures on a Tuesday tend to undercut weekend prices on this corridor.
Flying from Dallas/Fort Worth
Dallas/Fort Worth International is American Airlines' largest hub and the second-busiest hub in the world by aircraft movement. Five terminals A through E are connected by the Skylink automated people mover, with DART's Orange Line running from Terminal A directly to downtown Dallas in around 50 minutes for $2.50. American dominates the schedule from DFW; Spirit and Frontier add ULCC capacity on the heaviest leisure routes — usually the cheapest fares out of the airport.
Arriving in Seattle
Seattle-Tacoma is 14 miles south of downtown Seattle, with the Link Light Rail Red Line running directly from the airport station to Westlake in 38 minutes for $3.25 — possibly the simplest big-city airport transfer in the United States. Fares peak in mid-summer (June–August) and around Bumbershoot/Labor Day; January and February are the cheapest months despite winter rain.
Who flies DFW to SEA?
| Airline | IATA | Flight time | Cabin |
| American Airlines | AA | 3h 44m | Economy |
| Spirit Airlines | NK | 3h 44m | Economy |
| Frontier Airlines | F9 | 3h 44m | Economy |
| United Airlines | UA | 3h 44m | Economy |
| Delta Air Lines | DL | 3h 44m | Economy |
5 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly DFW→SEA
Synthesised from 12-month price aggregates. Cheapest months in green, peak in red.
Estimated baseline. Prices update on a 30-day cadence as Travelpayouts data refreshes. Cheapest day-of-week typically Tuesday.
Dallas to Seattle FAQs
Direct flights from Dallas/Fort Worth (DFW) to Seattle-Tacoma (SEA) take approximately 3h 44m for the 1658-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
Jun is typically the cheapest month on this route, with one-way fares from $107. Jun is the peak — expect prices 2–3× higher. Book 4–8 weeks ahead for best fares; last-minute prices on this corridor rise sharply inside two weeks of departure.
5 carriers operate direct service from Dallas/Fort Worth (DFW) to Seattle-Tacoma (SEA): American Airlines, Spirit Airlines, Frontier Airlines, United Airlines and Delta Air Lines. Frequencies vary by season and carrier — American Airlines typically operates the highest weekly count on this corridor.
No — United States is domestic travel for US citizens. A US passport is not required for the 50 states, DC or US territories (Puerto Rico, US Virgin Islands, Guam, American Samoa, Northern Mariana Islands), though Real ID-compliant ID is required at TSA from May 2025.
Seattle-Tacoma (SEA) is the primary international airport for Seattle. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.