Cheap Flights to Seattle / Tacoma International Airport

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Flight deals to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight to Seattle / Tacoma International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest time to fly to Seattle / Tacoma International

Flexible on travel dates? Find the cheapest month – or even day – to fly to Seattle / Tacoma International.

Airports near Seattle

Compare routes to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier.

Frequently asked questions

Currently, there are no airlines that fly direct to Seattle / Tacoma International. But we found flights with one or more stops from $1,265.
The cheapest month to fly to Seattle / Tacoma International is usually October.
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.
No airlines currently offer direct flights between Australia and Seattle / Tacoma International Airport. Most routes have one or more stops.
The best price we found for a return flight to Seattle / Tacoma International is $1,265. 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.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Seattle / Tacoma International Airport is Tuesday, 21 October 2025.
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.
Currently, Air Canada offers the cheapest flight tickets to Seattle / Tacoma International.

Flying to Seattle / Tacoma International

The things to know before you go.
Cheapest flight found$597
Cheapest month to flySeptember

Discover Seattle / Tacoma International

How to find cheap flights to Seattle-Tacoma International Airport (SEA)

  • Right now, $597 is the lowest price for a one-way flight to Seattle-Tacoma International Airport. Or you can book a round-trip plane ticket to SEA for $1,265.

  • Set a Price Alert for tickets to SEA and skip the endless refreshing. We'll do the monitoring for you, sending updates when fares drop.

  • It's typically recommended to book roughly six months before takeoff. That's when you're likely to get the best prices for tickets to Seattle, where Seattle-Tacoma International Airport is located.

  • Select the 'Add nearby airports' filter and broaden your search for cheap flights to Seattle. This will show you every airport around your departure and destination points.

  • If there's no rush to get to Seattle, consider taking a longer or less direct route. You might find cheaper plane tickets to Seattle-Tacoma International Airport by booking a flight with a stop or two.

Best time to go to Seattle

  • May is typically the cheapest month to board a flight to Seattle.

  • Use the 'Whole month' tool if your travel dates are flexible. Browse fares for an entire month and find a flight to SEA that suits your schedule and budget.

  • Fly to Seattle in July if you'd like to be there when it's busy. This is the most popular month for flights to SEA, but also when fares are likely to cost more.

  • May is the least busy time of year to travel if you're after a slower pace. You'll typically find cheaper prices on plane tickets to Seattle then.

  • With averages of between 12ºC and 28ºC, August is when Seattle is at its warmest. Organise your visit around your weather preferences to get the most out of your trip.

  • Ranging from -1ºC to 11ºC, February brings the lowest temperatures.

Flying to Seattle-Tacoma International Airport (SEA): what you need to know

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

Seattle highlights

Greyhound: Bus Station

  • Around 2 kilometres south of the centre in Yesler Terrace, Greyhound: Bus Station is a must-see on your travel itinerary. Make it one of the first stops after your flight to Seattle-Tacoma International Airport.

LMN Architects

  • Drop by LMN Architects and you'll be checking off one of the best attractions in Seattle. It's roughly 0.32 kilometres south-west of the centre in Denny Regrade.

Boeing Radiation Effects Lab

  • Add this to your sightseeing lineup next. Boeing Radiation Effects Lab is around 10 kilometres south of the centre in South Park and one more essential Seattle experience.

Complete your trip with a Seattle car hire

  • Check out our car rentals in Seattle once you've found your hotel and cheap flight to Seattle-Tacoma International Airport. All the best deals are in one place, making it simple to compare prices and take off in your dream ride.

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