Cheap Flights from Atlanta (ATLA) to Seattle / Tacoma International (SEA)

Popular Airlines that fly direct from Atlanta to Seattle \u002F Tacoma International

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Find the cheapest month or even day of the year to fly to Seattle / Tacoma International

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Flight deals from Atlanta to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Atlanta to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from £167. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Atlanta to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Atlanta to Seattle / Tacoma International flights are currently cheapest in August.

Direct flights from Atlanta to Seattle / Tacoma International

Atlanta to Seattle / Tacoma International: Alternative routes

Compare routes from Atlanta to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Atlanta to Seattle: Flight information

The things to know before you go.
Cheapest flight found£82
Cheapest month to flyAugust
Average flight time5 hrs, 25 mins
Most popular airlineWestJet
Average flights per week365

Finding cheap flights from Atlanta to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Atlanta to Seattle / Tacoma International is £166. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 25 minutes is the average flight time from Atlanta to Seattle / Tacoma International.
WestJet, Aeromexico and Delta fly direct from Atlanta to Seattle / Tacoma International.
As of May 2026, there are 254 flights per week flying from Atlanta to Seattle / Tacoma International.
The cheapest month to fly from Atlanta to Seattle / Tacoma International is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Atlanta to Seattle / Tacoma International Airport on Saturday, 29 August 2026.
Yes – the average flight time is 5 hours and 25 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Atlanta to Seattle-Tacoma International Airport (SEA): What you need to know

  • Kick off your travels at Hartsfield-Jackson Atlanta International Airport (ATL), the main airport in Atlanta. Look for flights from Atlanta to Seattle-Tacoma International Airport (SEA) that jet out of this base.

  • The average duration of a direct Atlanta to Seattle-Tacoma International Airport flight is 5 hours 30 minutes.

  • The timezone in Seattle is UTC-7, which is three hours behind Atlanta. Seattle-Tacoma International Airport is located in Seattle.

  • With 65 direct weekly flights between the two airports, Hartsfield-Jackson Atlanta International Airport (ATL) to Seattle-Tacoma International Airport (SEA) is the busiest route. Alaska Airlines operates the earliest flight at 6:30am. If you're eager to make the most of your day before you fly, the latest flight from ATL to SEA is with Delta Air Lines at 9:35pm.

  • Get to the airport on time so you don't miss your flight from Atlanta to SEA. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • With more travellers during high season, aim to get to your terminal even earlier. Two hours for domestic flights and up to four for international journeys will help you deal with longer queues.

Airports in Atlanta

Hartsfield-Jackson Atlanta International Airport (ATL)

  • Take the express route from Hartsfield-Jackson Atlanta International Airport (ATL). Direct flights from Atlanta to Seattle-Tacoma International Airport (SEA) can be booked from here.

  • Delta Air Lines is a well-known carrier that operates direct flights from Atlanta to Seattle-Tacoma International Airport leaving from ATL.

  • Delta Air Lines sees the most traveller bookings for flights from ATL to SEA.

  • With a dependable 88.61% of services arriving as scheduled, Delta Air Lines is the most punctual carrier operating on this route.

  • Located around 18 kms (11 miles) from the centre of Atlanta, ATL can be reached in about 15 minutes by car (depending on traffic). The journey on public transport will take roughly 1 hour 10 minutes.

  • Searching for a comfortable hotel near Hartsfield-Jackson Atlanta International Airport? If you've booked an early flight from Atlanta to Seattle-Tacoma International Airport, these stays will have you sleeping moments from your check-in counter:

  • Of the departures from Hartsfield-Jackson Atlanta International Airport, 76.64% arrive on time at their destination.

  • You'll find ATL at 6000 N Terminal Parkway.

About Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • Seattle-Tacoma International Airport to the centre of Seattle is around 11 miles. If you're taking a cab or renting a car, do a little research to make your trip as smooth as possible. Journey times may vary based on traffic and the time of day.

  • Travelling by public transport typically takes 55 minutes.

How to find the cheapest flights from Atlanta to Seattle-Tacoma International Airport (SEA)

  • Currently, £82 is the best price we've found for a one-way ticket from Atlanta to Seattle-Tacoma International Airport. The cheapest price for a return flight is £166. Remember fares may change due to demand at the time of booking.

  • Don't wait until the last moment. You're more likely to walk away with cheap flights from Atlanta to SEA if you book early. Airlines often offer some fantastic early bird discounts.

  • Affordable Atlanta to Seattle-Tacoma International Airport tickets are easier to find if your travel dates are flexible. Try using the 'Whole month' tool to compare fares across every month and then pick the cheapest day.

  • Locking in a cheap plane ticket from Atlanta to SEA is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when the price has dropped.

  • Save money on your flight from Atlanta to Seattle-Tacoma International Airport by using filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Atlanta to Seattle-Tacoma International Airport (SEA)

  • Picture the kind of break you want when deciding when to fly. May is the quietest month to go to Seattle. July is when most people book flights from Atlanta to Seattle-Tacoma International Airport (SEA), which may be perfect if you'd rather travel when it's busy.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Lock in your Atlanta to SEA plane ticket then if that's your definition of good weather.

  • February sees temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Look for cheap tickets from Atlanta to Seattle-Tacoma International Airport around that time if you want to travel when it's cooler.

More about Seattle

  • Start your Seattle trip right by choosing the perfect place to stay. After booking your flight from Atlanta to Seattle-Tacoma International Airport, explore our selection of accommodation options including:

  • Every great journey has to include some sightseeing. Pike Place Market, Space Needle and Seattle Skyline are essential stops on your Seattle itinerary.

Explore more of the United States

  • Portland is just one of the many places in the United States waiting to be discovered once you've seen Seattle. Around 209 kms (130 miles) away to the south, popular attractions include Portland Japanese Garden, Voodoo Doughnut and Great Northwest.

  • Vancouver is another sought-after destination in the United States and is around 209 kms (130 miles) south of Seattle. No trip is complete without a visit to Vancouver Waterfront, Reconstructed HBC Fort Vancouver and Fort Vancouver National Historic Site Garden.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.