Cheap flights from Atlanta Hartsfield-Jackson to Seattle

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      Compare Atlanta Hartsfield-Jackson to Seattle flight deals

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

      Book the best Seattle fare with no extra fees

      Flight deals from Atlanta Hartsfield-Jackson to Seattle

      Looking for a cheap last-minute deal or the best round-trip flight from Atlanta Hartsfield-Jackson to Seattle? Find the lowest prices on one-way and round-trip tickets right here.

      Find the cheapest month to fly from Atlanta Hartsfield-Jackson to Seattle

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Atlanta Hartsfield-Jackson to Seattle flights are currently cheapest in September.

      Direct flights from Atlanta Hartsfield-Jackson to Seattle

      Alternative Atlanta Hartsfield-Jackson to Seattle routes

      Looking for the cheapest, fastest or easiest route from Atlanta Hartsfield-Jackson to Seattle? You could fly into the following airports instead.

      Atlanta to Seattle: Flight information

      The things to know before you go.
      Cheapest flight foundC$212
      Cheapest month to flySeptember
      Average flight time5 hrs, 31 mins
      Most popular airlineLATAM Airlines
      Average flights per week238

      Finding cheap flights from Atlanta Hartsfield-Jackson to Seattle: Frequently asked questions

      There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
      The best price we found for a round-trip flight from Atlanta Hartsfield-Jackson to Seattle is C$212. 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 31 minutes is the average flight time from Atlanta Hartsfield-Jackson to Seattle.
      LATAM Airlines, Aeromexico and WestJet fly direct from Atlanta Hartsfield-Jackson to Seattle.
      There are 238 flights per week flying from Atlanta Hartsfield-Jackson to Seattle, as of August 2025.
      The cheapest month to fly from Atlanta Hartsfield-Jackson to Seattle is usually September.
      If you're flying from Atlanta Hartsfield-Jackson Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the center of Seattle. We've found flights to this airport from C$212.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Atlanta Hartsfield-Jackson Airport to Seattle on Wednesday, September 3, 2025.
      Yes – the average flight time is 5 hours and 31 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 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.
      In August, the average temperature is usually around 18°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
      Currently, Frontier Airlines and Delta offer the cheapest flight tickets to Seattle.

      Travelling from Hartsfield-Jackson Atlanta International Airport (ATL) to Seattle: what you need to know

      • The average duration of a direct flight from Hartsfield-Jackson Atlanta International Airport to Seattle is 4 hours 55 minutes.

      • The timezone in Seattle is UTC-7. The city is three hours behind Atlanta, where Hartsfield-Jackson Atlanta International Airport is located.

      • With 65 flights a week 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 06:30. If you prefer to make the most of your day before taking off, the latest departure from ATL to SEA is with Delta Air Lines at 21:35.

      • For a relaxed start to your ATL to Seattle flight, leave plenty of time to check in and find your gate. Arriving two hours before international departures and one hour before domestic flights is the general rule.

      • Taking off during a peak time like public or school holidays? Expect longer queues at check-in and security. To be on the safe side, arrive up to four hours before international flights and two hours ahead of domestic departures.

      • Start your trip at ATL and travel nonstop to Seattle-Tacoma International Airport (SEA). That's where you can expect to touch down when searching for Hartsfield-Jackson Atlanta International Airport to Seattle tickets.

      • Delta Air Lines is a popular carrier that offers direct flights from Hartsfield-Jackson Atlanta International Airport to Seattle.

      • ATL is around 13 kilometres from central Atlanta. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 15 minutes or so to get there, depending on traffic. If you're taking public transport, expect the journey time to be around 1 hour 10 minutes.

      • Searching for a hotel near ATL? If you've booked an early flight from Hartsfield-Jackson Atlanta International Airport to Seattle, these stays will put you moments from your departure gate:

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

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

      How to find the cheapest flights from Hartsfield-Jackson Atlanta International Airport (ATL) to Seattle

      • C$106 is the cheapest price we've found for a one-way Hartsfield-Jackson Atlanta International Airport to Seattle flight. A return flight ticket right now is C$212. Depending on the availability and when you book, these fares may change.

      • Score cheap flights from ATL to Seattle by booking one month ahead. Based on our research, that's the sweet spot for bagging a bargain.

      • Plan your trip for May. That's the best month for landing an epic deal on Hartsfield-Jackson Atlanta International Airport to Seattle tickets. If you're flexible with your travel dates, use the 'Whole month' tool to access the lowest price across each month.

      • You don't need to keep looking every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as there's an even better deal on cheap flights from ATL to Seattle.

      • Tailor your flights with filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Hartsfield-Jackson Atlanta International Airport to Seattle.

      Airports in Seattle

      Seattle-Tacoma International Airport (SEA)

      • Seattle-Tacoma International Airport (SEA) is around 23 kilometres from the centre of Seattle. If you're grabbing a cab or a ride-share, the drive will take roughly 20 minutes.

      • It'll take around 55 minutes if you're using public transport.

      • The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from Hartsfield-Jackson Atlanta International Airport to Seattle. Check in to one of these accommodation options near SEA instead:

      • Grab a Seattle-Tacoma International Airport rental car and discover Seattle and beyond with your own wheels. Thrifty, Europcar and Budget are leading providers you can book with here.

      • Reserving your ride from Seattle-Tacoma International Airport around one week in advance of your flight from ATL to Seattle can help you secure the lowest rate.

      Lake Union Sea Plane Base Airport (LKE)

      • Once your flight from Hartsfield-Jackson Atlanta International Airport to Seattle has hit the tarmac, you can reach the city centre in about 10 minutes by car. Central Seattle is roughly 3 kilometres from Lake Union Sea Plane Base Airport (LKE).

      • The journey will take about 25 minutes on public transport.

      • Hang up the 'Do not disturb' sign and unwind at a hotel close to LKE. Here are a few options where you can put your feet up after your ATL to Seattle flight:

      Best time to go to Seattle

      • Travel to Seattle during the high season if you like a busy atmosphere, but remember that hotel prices are generally higher. Alternatively, book flights from Hartsfield-Jackson Atlanta International Airport to Seattle in the low season when prices are cheaper and it's not as busy.

      • Before locking in your Hartsfield-Jackson Atlanta International Airport to Seattle flight ticket, think about what kind of weather you prefer. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

      • For cooler conditions, search for a cheap ticket from ATL to Seattle in February when temperatures average between -1ºC (30ºF) and 11ºC (52ºF).

      More about Seattle

      • Start your Seattle trip right by choosing the ideal place to stay. After booking your flight from Hartsfield-Jackson Atlanta International Airport to Seattle, browse our range of hotels including:

      • LMN Architects and Greyhound: Bus Station are just a couple of the leading attractions to add to your Seattle must-do list. Keep the momentum going by heading to Boeing Radiation Effects Lab.

      Explore more of United States

      • Portland is just one of the many places in United States waiting to be explored after you've seen Seattle. Around 241 kilometres away to the south, its best attractions include Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

      • Spokane is another favourite destination in United States and is around 370 kilometres east of Seattle. No trip is complete without a visit to Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

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