Routes · From ATL

Atlanta (ATL) to Seattle (SEA) flights

Nonstop from Hartsfield-Jackson Atlanta International to Seattle-Tacoma International: distance, flying time, which airlines fly it and how often.

Distance

3,505km

2,178 mi, great circle

Flying time

4h 50m

typical, gate to gate

Flights a day

average, October 2026

Airlines

passenger airlines

Airlines flying ATL to SEA

Also in the data (cargo, charter or a foreign airline on a domestic route): Korean Air.

Route map

The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.

Cheapest recent fare

Fares found in recent searches load here. You can also compare ATL to SEA fares by month.

Terminals

Hartsfield-Jackson Atlanta International

Hartsfield–Jackson Atlanta International Airport has two terminals and seven concourses with a total of 200 gates. The Domestic Terminal is located on the west side of Hartsfield–Jackson and the Maynard H. Jackson Jr. International Terminal is on the east side of the airport.

From Wikipedia, retrieved 2026-10-25. Terminal assignments change: check with your airline and the airport's website.

Both directions

Seattle-Tacoma International (SEA) · we don't have SEA's route list yet
All nonstop routes from Atlanta (ATL)
ATL to SEA on the flight-path tool

Related guides

ATL to Downtown Atlanta: Train, Bus, Taxi and Rideshare Compared

ATL to downtown Atlanta by MARTA train, bus, taxi or rideshare: ballpark fares, journey times, where to find each at the airport, and which to pick.

How Early to Arrive at Atlanta ATL (2026): Domestic vs International

How early to arrive at Atlanta ATL for domestic and international flights: our suggested arrival times, why the Plane Train matters, and which terminal to use.

Atlanta ATL Layover Guide 2026: How Long You Need

ATL layover guide: how long to allow for domestic and international connections, getting between concourses, entry documents, and leaving the airport.

Atlanta ATL Terminal Guide 2026: Airlines by Concourse

Atlanta ATL terminal guide: which airlines use Concourses T and A–F, how the Plane Train links them, and how to connect after an international arrival.

Frequently asked questions

How long is the flight from Atlanta to Seattle?

About 4h 50m gate to gate for the 3,505 km (2,178 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.

Which airlines fly nonstop from ATL to SEA?

Alaska Airlines and Delta Air Lines, with about 12 flights a day between them in our data (AeroDataBox, October 2026).