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1.042 € Cheap Flights from Adelaide to Seattle

Compare Adelaide to Seattle flight deals

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Flight deals from Adelaide to Seattle

Looking for a cheap last-minute deal or the best return flight from Adelaide Airport to Seattle? If you want to travel next month, return fares start from 1.160 €. Find the lowest prices on one-way and return tickets right here.
Seattle.1.042 € per passenger.Departing Sat, 1 May, returning Tue, 11 May.Return flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Adelaide on Sat, 1 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Singapore Airlines, departs from Seattle / Tacoma International on Tue, 11 May, arriving in Adelaide.Price includes taxes and charges.From 1.042 €, select.
Seattle.1.073 € per passenger.Departing Mon, 3 Aug, returning Mon, 10 Aug.Return flight with Jetstar and Frontier Airlines.Outbound indirect flight with Jetstar, departs from Adelaide on Mon, 3 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Mon, 10 Aug, arriving in Adelaide.Price includes taxes and charges.From 1.073 €, select.
Seattle.1.110 € per passenger.Departing Mon, 22 Feb, returning Mon, 22 Mar.Return flight with Singapore Airlines and Delta.Outbound indirect flight with Singapore Airlines, departs from Adelaide on Mon, 22 Feb, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Mon, 22 Mar, arriving in Adelaide.Price includes taxes and charges.From 1.110 €, select.
Seattle.1.154 € per passenger.Departing Fri, 4 Sep, returning Fri, 18 Sep.Return flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Adelaide on Fri, 4 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Singapore Airlines, departs from Seattle / Tacoma International on Fri, 18 Sep, arriving in Adelaide.Price includes taxes and charges.From 1.154 €, select.
Seattle.1.159 € per passenger.Departing Mon, 15 Mar, returning Fri, 19 Mar.Return flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Adelaide on Mon, 15 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with Singapore Airlines, departs from Seattle / Tacoma International on Fri, 19 Mar, arriving in Adelaide.Price includes taxes and charges.From 1.159 €, select.
Seattle.1.160 € per passenger.Departing Thu, 23 Jul, returning Thu, 30 Jul.Return flight with Jetstar and Frontier Airlines.Outbound indirect flight with Jetstar, departs from Adelaide on Thu, 23 Jul, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 30 Jul, arriving in Adelaide.Price includes taxes and charges.From 1.160 €, select.
Seattle.1.194 € per passenger.Departing Wed, 4 Nov, returning Tue, 17 Nov.Return flight with Qantas.Outbound indirect flight with Qantas, departs from Adelaide on Wed, 4 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Qantas, departs from Seattle / Tacoma International on Tue, 17 Nov, arriving in Adelaide.Price includes taxes and charges.From 1.194 €, select.
Seattle.1.215 € per passenger.Departing Thu, 25 Jun, returning Thu, 2 Jul.Return flight with Jetstar and Alaska Airlines.Outbound indirect flight with Jetstar, departs from Adelaide on Thu, 25 Jun, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Thu, 2 Jul, arriving in Adelaide.Price includes taxes and charges.From 1.215 €, select.
Seattle.1.233 € per passenger.Departing Fri, 27 Nov, returning Tue, 8 Dec.Return flight with Qantas.Outbound indirect flight with Qantas, departs from Adelaide on Fri, 27 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Qantas, departs from Seattle / Tacoma International on Tue, 8 Dec, arriving in Adelaide.Price includes taxes and charges.From 1.233 €, select.
Seattle.1.258 € per passenger.Departing Sat, 10 Oct, returning Sat, 17 Oct.Return flight with Qantas.Outbound indirect flight with Qantas, departs from Adelaide on Sat, 10 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Qantas, departs from Seattle / Tacoma International on Sat, 17 Oct, arriving in Adelaide.Price includes taxes and charges.From 1.258 €, select.
Seattle.1.356 € per passenger.Departing Sat, 5 Sep, returning Thu, 1 Oct.Return flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Adelaide on Sat, 5 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Singapore Airlines, departs from Seattle / Tacoma International on Thu, 1 Oct, arriving in Adelaide.Price includes taxes and charges.From 1.356 €, select.
Seattle.1.362 € per passenger.Departing Wed, 9 Dec, returning Tue, 15 Dec.Return flight with Virgin Australia and Alaska Airlines.Outbound indirect flight with Virgin Australia, departs from Adelaide on Wed, 9 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Tue, 15 Dec, arriving in Adelaide.Price includes taxes and charges.From 1.362 €, select.
Seattle.1.378 € per passenger.Departing Thu, 10 Dec, returning Sat, 9 Jan.Return flight with Jetstar and Alaska Airlines.Outbound indirect flight with Jetstar, departs from Adelaide on Thu, 10 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Sat, 9 Jan, arriving in Adelaide.Price includes taxes and charges.From 1.378 €, select.
Seattle.1.425 € per passenger.Departing Sat, 29 Aug, returning Wed, 16 Sep.Return flight with Qantas.Outbound indirect flight with Qantas, departs from Adelaide on Sat, 29 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Qantas, departs from Seattle / Tacoma International on Wed, 16 Sep, arriving in Adelaide.Price includes taxes and charges.From 1.425 €, select.
Seattle.1.426 € per passenger.Departing Mon, 27 Jul, returning Tue, 25 Aug.Return flight with Singapore Airlines and Delta.Outbound indirect flight with Singapore Airlines, departs from Adelaide on Mon, 27 Jul, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Tue, 25 Aug, arriving in Adelaide.Price includes taxes and charges.From 1.426 €, select.
Seattle.1.459 € per passenger.Departing Mon, 12 Apr, returning Tue, 27 Apr.Return flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Adelaide on Mon, 12 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with Singapore Airlines, departs from Seattle / Tacoma International on Tue, 27 Apr, arriving in Adelaide.Price includes taxes and charges.From 1.459 €, select.

Find the cheapest month to fly from Adelaide to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Adelaide to Seattle flights are currently cheapest in May.
Jun
Find prices
Jul
from 1.160 €
Aug
from 1.073 €
Sep
from 1.154 €
Oct
from 1.258 €
Nov
from 1.194 €
Dec
from 1.362 €
Jan
Find prices
Feb
Find prices
Mar
from 1.159 €
Apr
from 1.459 €
May
from 1.042 €

Alternative Adelaide to Seattle routes

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

Seattle Lake Union SPB

2km from central Seattle
Closest
Search flights

Seattle Boeing Fld

11km from central Seattle
Search flights

Seattle / Tacoma International

20km from central Seattle
Cheapest
from 1.042 €
Search flights

Paine Field

33km from central Seattle
from 1.812 €
Search flights

Adelaide to Seattle: Flight information

The things to know before you go.
Cheapest flight found1.042 €
Cheapest month to flyMay

Finding cheap flights from Adelaide 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 return flight from Adelaide to Seattle is 1.042 €. 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.
Currently, there are no airlines that fly direct from Adelaide to Seattle. But we found flights with one or more stops from 1.042 €.
As of June 2026, there are no flights flying from Adelaide to Seattle.
The cheapest month to fly from Adelaide to Seattle is usually May.
If you're flying from Adelaide Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from 1.042 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Adelaide Airport to Seattle on Saturday, 1 May 2027.
No airlines currently offer direct flights between Adelaide Airport and Seattle. Most routes have one or more stops.
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 June, the average temperature is usually around 14°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, Singapore Airlines offers the cheapest flight tickets to Seattle.

Travelling from Adelaide Airport (ADL) to Seattle: what you need to know

  • Seattle is 17 hours 30 minutes behind Adelaide, where Adelaide Airport is located. Seattle follows the UTC-7 timezone.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your ADL to Seattle flight.

  • Travelling during a peak time such as July? Major public holidays and other high seasons can lead to longer lines and delays at security. Play things extra safe and get there up to four hours before international flights and two hours before a domestic departure.

  • We make it easy to book plane tickets from ADL to Seattle with a stopover. To see all your options, deselect 'Direct flights only.' Next, pick a flight with a stop long enough to tour your chosen city. Top stopovers include:

    • Dubai Airport (DXB)

    • Changi International Airport (SIN)

    • Hamad International Airport (DOH)

  • Travelling from central Adelaide to ADL takes about 50 minutes on public transport. If you drive, ride-share or get a taxi, you'll cover the 6 kilometres in 15 minutes or so, depending on traffic.

  • Booked an early flight from Adelaide Airport to Seattle? Avoid rushing to the airport (and sneak in some extra snooze time) by choosing one of these stays close to ADL:

  • 75.6% of flights taking off from Adelaide Airport land at their destination on schedule.

How to find the cheapest flights from Adelaide Airport (ADL) to Seattle

  • The best price we've found for a one-way Adelaide Airport to Seattle flight is 590 €. The cheapest price for a return flight is 1.042 €. Keep in mind fares can change due to demand at the time of booking.

  • Booking in advance is often the key to securing a cheap flight from ADL to Seattle. Prices tend to rise as demand increases, so the closer your departure date, the more expensive your ticket may be.

  • Scoring cheap tickets from Adelaide Airport to Seattle is more likely if you can be flexible with your travel dates. Try using the 'Whole month' search tool to access the lowest fares across each month and pick up an incredible deal.

  • Spend less time searching for cheap flights from ADL to Seattle by creating a Price Alert. You'll get an email or notification through the app when a special offer becomes available.

  • Snag an affordable flight from Adelaide Airport to Seattle with the help of our filters. Select your preferred duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) is around 23 kilometres from central Seattle. If you're grabbing a taxi or a ride-share, the drive takes about 20 minutes.

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

  • If you're arriving on a late flight from Adelaide Airport to Seattle, few things beat the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and relaxing not long after at one of these accommodation options near SEA:

  • Get on the fast track to adventure by picking up a Seattle-Tacoma International Airport rental car. Grab your wheels from Thrifty, Europcar or Budget and experience the lesser-explored corners of Seattle and beyond.

  • To get the lowest price, reserve your vehicle from Seattle-Tacoma International Airport around one week in advance of your flight from ADL to Seattle.

Lake Union Sea Plane Base Airport (LKE)

  • After your flight from Adelaide Airport to Seattle has arrived, you can make your way to the city centre in about 10 minutes by car. Central Seattle is roughly 3 kilometres from Lake Union Sea Plane Base Airport (LKE).

  • If you travel by public transport, you'll reach the centre in 25 minutes or so.

  • Hang the 'Do not disturb' sign on your door and rest at a hotel close to LKE. Here are a few options where you can tuck yourself in after your ADL to Seattle flight:

Best time to go to Seattle

  • Travel to Seattle during high season if you want a bustling atmosphere, but remember that prices are typically higher. Alternatively, book your flights from Adelaide Airport to Seattle in the off-season when prices are cheaper and crowds are smaller.

  • Lock in an Adelaide Airport to Seattle plane ticket with a departure in August if you're eager to visit the city during its warmest month. You can expect temperatures to range from 12ºC (54ºF) to 28ºC (82ºF).

  • February has average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for a cheap ticket from ADL to Seattle around that time if you want to travel when it's cooler.

More about Seattle

  • Once you've booked your flight from Adelaide Airport to Seattle, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring Seattle:

  • LMN Architects and Greyhound: Bus Station are just the start of the leading attractions to add to your Seattle must-do list. Keep the adventure rolling by checking out Boeing Radiation Effects Lab.

Explore more of United States

  • Seattle has loads to offer, but there are so many other parts of United States waiting to be discovered. Around 241 kilometres south of Seattle, a visit to Portland will fill your itinerary to the brim. Start with popular sights like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Around 370 kilometres east of Seattle, Spokane is another essential stop in United States. Get a taste of what this destination has to offer at Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Plan the rest of your trip from Adelaide to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.