Seattle (SEA) to Dallas (DFW) Flights: Find the Best Deals and Travel Tips
Cheapest flight found
$150
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: SEA → DFW
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$150
Highest Fare
$250
Median Fare
$220
Price Spread
$100
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: May 2026 (from $150)
Most expensive month: April 2026 (from $250)
Biggest price drop caught: $51 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from Seattle to Dallas range from $150 to $250, a $100 spread across the months we track. If your dates are flexible, May 2026 tends to have the lowest fares. Because prices on this route change significantly, setting up hourly price alerts gives you the best chance of catching a short-lived drop before it corrects. We have caught drops as large as $51 between hourly checks on this route.
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From
Seattle (SEA)
To
Dallas (DFW)
Airport Information
Seattle (SEA)
Seattle-Tacoma International Airport (SEA), commonly known as Sea-Tac, serves as the primary commercial gateway for the Pacific Northwest. Located about 14 miles south of downtown Seattle, it is a major hub for Alaska Airlines and Delta Air Lines. The airport features a wide array of Pacific Northwest-inspired dining options and an extensive art collection. Passengers benefit from the Link light rail, which offers a convenient and affordable connection between the airport and various neighborhoods in Seattle and Bellevue, making it highly accessible for all travelers.
Dallas (DFW)
Dallas/Fort Worth International Airport (DFW) is one of the busiest and largest airports in the world, spanning a land area larger than the island of Manhattan. Serving as the primary hub for American Airlines, DFW features five terminals connected by the efficient Skylink high-speed train system located inside security. Travelers can enjoy a vast selection of retail shops, luxury lounges, and even a dedicated yoga studio. Its central location between the major cities of Dallas and Fort Worth makes it an ideal landing spot for visitors exploring the entire North Texas region.
Frequently Asked Questions
What is the average flight duration from SEA to DFW?
A typical direct flight from Seattle-Tacoma International Airport to Dallas/Fort Worth International Airport takes approximately 3 hours and 50 minutes to 4 hours.
Which airlines offer non-stop flights between Seattle and Dallas?
American Airlines, Alaska Airlines, and Delta Air Lines frequently offer daily non-stop services on this specific route.
What is the time difference between Seattle and Dallas?
Dallas operates on Central Time (CT), which is two hours ahead of Seattle's Pacific Time (PT).
Is there public transportation from DFW airport to downtown Dallas?
Yes, the DART (Dallas Area Rapid Transit) Orange Line provides a direct rail connection from DFW Airport Station to downtown Dallas.
When is the best time to book a flight for this route?
For the best rates, it is generally recommended to book your flight at least 21 to 30 days in advance of your departure date.
Learn More About Price Tracking
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Trip Manta vs Google Flights
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Our Methodology
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