flight_takeoff ATL → SEA

Cheap Flights from Atlanta to Seattle

Compare fares on the long-haul transcontinental flight from Atlanta to Seattle — a northwestbound route of about 2,178 miles, typically flown nonstop in around 4h 50m.

Fares from $150 one-way, economy · as of Jul 7, 2026

straighten

Distance

2,178 mi

3,505 km

schedule

Est. flight time

4h 50m

nonstop

flight

Nonstop service

Available

5 carriers

language

Time difference

3 hours behind

Seattle

Flying from Atlanta to Seattle

Flights from Hartsfield Jackson Atlanta International Airport (ATL) to Seattle Tacoma International Airport (SEA) cover roughly 2,178 miles (3,505 km) on a northwestbound heading, a nonstop flight of about 4h 50m. The route crosses 3 time zones — Seattle is 3 hours behind Atlanta. It's served by 5 airlines.

Lets Fly Travel compares live fares across hundreds of airlines to find the best deal on this route — and every booking is reviewed by a real travel agent before ticketing.

Airlines on this route

Airlines with recent nonstop fares on the ATL–SEA route (as of Jul 7, 2026):

flightAlaska flightAmerican flightDelta flightFrontier flightJetBlue flightSouthwest flightUnited

Airline availability and fares change over time — search your dates for current options.

Best time to fly Atlanta to Seattle

Fare patterns and travel conditions vary by season. Here's what to expect on the ATL–SEA route throughout the year.

Jan–Feb

Post-holiday lull means some of the lowest fares of the year on the Atlanta–Seattle route. Great for a spontaneous escape.

Mar–May

Spring break drives demand on transcontinental routes like ATL–SEA. Book at least 4–6 weeks ahead for the best prices.

Jun–Aug

Summer is the busiest season for Atlanta to Seattle travel. Mid-week flights (Tue/Wed) typically undercut weekend fares by 15–25%.

Sep–Oct

Fares often drop after Labor Day. September and October are among the cheapest months to fly this long-haul transcontinental flight.

Nov–Dec

Thanksgiving week and the Christmas/New Year period see significant fare increases. Flexibility on exact dates can save considerably.

flight_land Arriving at

Seattle Tacoma International Airport

Seattle is served by Seattle Tacoma International Airport (IATA: SEA , ICAO: KSEA). Allow time for baggage claim and ground transportation after landing.

IATA Code

SEA

Flight Time

~4h 50m

Distance

2,178 mi

tips_and_updates Arrival tips

  • Check in online to save time at the airport.
  • Arrive 2 hours before departure.
  • Compare fares across several nearby dates for best value.

Atlanta to Seattle — FAQs

How long is the flight from Atlanta to Seattle? expand_more
A nonstop flight from Atlanta (ATL) to Seattle (SEA) takes approximately 4h 50m, covering a distance of about 2178 miles (3505 km). Actual flight time varies with aircraft, routing and winds.
How much is a flight from Atlanta to Seattle? expand_more
Recent one-way economy fares from Atlanta to Seattle have started around $150 (as of July 2026). Prices change frequently, so search live results for current fares.
Which airlines fly from Atlanta to Seattle? expand_more
Airlines with recent nonstop fares on the ATL–SEA route include Alaska, American, Delta, Frontier, JetBlue, Southwest, United. Use our search to compare current carriers, schedules and fares.
Is there a nonstop flight from Atlanta to Seattle? expand_more
Yes. The ATL–SEA route has nonstop service. Nonstop availability can vary by season and day of week, so check live results for your dates.
How far is Seattle from Atlanta? expand_more
The distance from Atlanta (ATL) to Seattle (SEA) is about 2178 miles (3505 km) as the crow flies.
What is the time difference between Atlanta and Seattle? expand_more
Seattle is 3 hours behind Atlanta. Factor the time change into your arrival and connection planning.
When is the best time to book flights from Atlanta to Seattle? expand_more
For domestic routes like Atlanta to Seattle, booking about 1–3 months ahead and choosing mid-week departures usually finds the best prices. Avoid peak Friday and Sunday travel where possible.