Fly High from ATL to SEA: Your Ultimate Guide to Atlanta to Seattle Flights
Cheapest flight found
$155
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: ATL → SEA
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$155
Highest Fare
$319
Median Fare
$210
Price Spread
$164
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: May 2026 (from $155)
Most expensive month: July 2026 (from $319)
Biggest price drop caught: $41 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from Atlanta to Seattle range from $155 to $319, a $164 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 $41 between hourly checks on this route.
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From
Atlanta (ATL)
To
Seattle (SEA)
Airport Information
Atlanta (ATL)
Hartsfield-Jackson Atlanta International Airport (ATL) serves as the primary global gateway for the Southeast and consistently ranks as the busiest airport in the world by passenger traffic. Located just seven miles south of downtown Atlanta, it is the primary hub for Delta Air Lines and a major operation for Southwest. The airport features two terminals and seven concourses connected by an efficient underground Plane Train, ensuring that even with its massive scale, navigating between gates remains relatively straightforward for travelers heading to the West Coast.
Seattle (SEA)
Seattle-Tacoma International Airport (SEA), commonly referred to as Sea-Tac, is the main commercial airport serving the Seattle metropolitan area and the larger Pacific Northwest region. Situated about 14 miles south of downtown Seattle, it serves as the main hub for Alaska Airlines and a secondary hub for Delta. The facility has undergone significant renovations, including the spectacular International Arrivals Facility, and offers convenient transportation options like the Link Light Rail, which provides a cost-effective and scenic way to reach the city center in about 40 minutes.
Frequently Asked Questions
How long is the flight from ATL to SEA?
A direct flight typically lasts between 5 hours and 30 minutes to 6 hours, covering approximately 2,182 miles.
Which airlines fly non-stop from Atlanta to Seattle?
Delta Air Lines and Alaska Airlines are the primary carriers offering consistent non-stop service between these two major hubs.
Is there a time difference between Atlanta and Seattle?
Yes, Seattle is in the Pacific Time Zone, which is 3 hours behind the Eastern Time Zone used in Atlanta.
What is the best way to get from SEA airport to downtown Seattle?
The Sound Transit Link Light Rail is highly recommended for its affordability and efficiency, avoiding the heavy traffic often found on I-5.
Does ATL airport have lounges for travelers heading to Seattle?
Yes, ATL boasts multiple Delta Sky Clubs across various concourses, as well as an American Express Centurion Lounge for eligible cardholders.
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