Flights from Dallas to Seattle
North AmericaYear-round

Cheap Flights from Dallas to Seattle

Track economy fares on the DFWSEA route and get alerts when prices drop.

From
Dallas
DFW
To
Seattle
SEA

Route Intelligence: DallasSeattle

Flight Duration

4 hr 10 min (Direct)

Price Guidance

A good deal is under $200 roundtrip. Standard fare is $350+.

Peak Season

June to August

Top Airlines

Alaska Airlines, American Airlines, United Airlines

Booking Tip

Book 4-6 weeks in advance for the best fares on this popular domestic route. Tuesday and Wednesday departures tend to be cheaper than weekend flights.

Track DallasSeattle Fares

Set your target price and FlightKitten will scan this route twice daily. The instant economy fares drop below your budget, you'll get an email with the price, airline, and a direct booking link.

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Flying Business Class?

If you're considering business class on this route, BusinessClassSignal.com is a dedicated tool that tracks premium cabin fares. They alert you when business & first class prices drop — worth checking out if you fly up front.

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Other Routes to Seattle

More Destinations in North America

Route Briefing: Dallas to Seattle

Trading the Texas heat for the misty, evergreen-draped skyline of Seattle is one of those domestic swaps that genuinely feels like stepping into a different world, and at just over four hours direct, the Pacific Northwest is closer than most Dallasites realize. When fares dip under $200 roundtrip — which they do if you play it smart — this route becomes one of the better value escapes in the country.

Alaska Airlines, American, and United all fly this corridor regularly, giving you solid options year-round. The sweet spot for booking is four to six weeks out, and if you can flex your departure to a Tuesday or Wednesday rather than a Friday or Sunday, you'll often find noticeably softer prices. Standard fares climb to $350 and beyond, so a little planning goes a long way.

Seattle rewards the curious traveler immediately. Pike Place Market is the obvious first stop, and it earns every bit of its reputation — this is a working public market where fishmongers have been throwing salmon for decades, local farmers sell produce, and the smell of fresh flowers mingles with roasting coffee. Speaking of which, Seattle's coffee culture isn't a cliché so much as a civic identity. The original Starbucks sits near the market, but the city's independent roaster scene is genuinely world-class and worth exploring on its own terms.

Beyond downtown, the city opens up beautifully. The Space Needle offers iconic views of the skyline framed by Puget Sound and, on clear days, the dramatic white cone of Mount Rainier floating on the horizon. The neighborhoods — Capitol Hill, Fremont, Ballard — each carry their own personality and are very walkable once you're in them.

From Seattle-Tacoma International Airport, the Link Light Rail connects directly to downtown in roughly 40 minutes and is the most stress-free option for getting into the city, especially if you're traveling without heavy luggage. It's affordable, reliable, and drops you right into the heart of things.

Timing matters here. June through August is peak season for good reason — the Pacific Northwest summers are genuinely spectacular, with long daylight hours and mild temperatures that feel like a revelation if you're arriving from a Dallas summer. That said, shoulder season in May or September offers fewer crowds, lower prices, and that moody, atmospheric drizzle that actually suits Seattle's character rather well.

One experience-enhancing tip: take a Washington State Ferry at some point during your visit. The routes across Puget Sound offer some of the most cinematic views of the city and the surrounding mountains, and the experience itself — unhurried, scenic, deeply local — captures something about Seattle that no rooftop bar ever quite manages.

How much are flights from Dallas to Seattle in 2026?

Flight prices from Dallas (DFW) to Seattle (SEA) vary significantly depending on the season, day of the week, and how far in advance you book. A good deal is under $200 roundtrip. Standard fare is $350+. Popular carriers on this route include Alaska Airlines, American Airlines, United Airlines. FlightKitten eliminates the guesswork by monitoring 220+ airlines twice daily and alerting you the moment economy fares hit your target price.

How does FlightKitten track Dallas to Seattle fares?

FlightKitten scans over 220 airlines twice every day for economy fares on the DFW to SEA route. When you set a target price, FlightKitten continuously monitors this route and sends an email alert the moment fares drop below your budget. Each alert includes the exact fare, airline, dates, and an AI-powered briefing that explains whether the deal is genuinely good compared to historical pricing on this route. No more obsessive price checking — set your budget and let FlightKitten do the watching.

Pro tip: Book 4-6 weeks in advance for the best fares on this popular domestic route. Tuesday and Wednesday departures tend to be cheaper than weekend flights.

Looking for business class deals on this route? We recommend checking out BusinessClassSignal.com — a dedicated premium cabin fare tracker that's worth a look if you fly up front.