$657 Cheap flights to Seattle
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Seattle departing on 1/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Seattle flights insights and trends
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What is the cheapest month to fly to Seattle?
The month of February is, on average, the cheapest month to fly to Seattle from Australia, with most prices found around $1,593. If you are unable to visit Seattle during the month of February, then departing from Australia during the month March is also very affordable. Most momondo users find prices during this month for around $1,636.
What is the cheapest day to depart on your flight to Seattle?
The cheapest day to depart from Australia to Seattle is on a Thursday. Travellers who choose to depart for Seattle on a Thursday will often find tickets for as low as $1,635. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Australia to Seattle for around $1,880.
What is the cheapest time of day to depart on your flight to Seattle?
According to our data, the cheapest time of day to fly to Seattle is at midday. momondo users have found flights departing from Australia to Seattle at midday for as low as $1,558. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is in the afternoon when prices are around $1,902.
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Australia when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,809 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Australia for as low as $1,493 on momondo.
Cheapest flights to Seattle/Tacoma Intl
Find the cheapest flights to Seattle/Tacoma Intl from your nearest city or airport
| CHEAPEST MONTH TO FLY TO SEATTLE FROM SYDNEY | February | 12% cheaper | Flying from Sydney to Seattle costs on average just $1,593 in February |
| MOST EXPENSIVE MONTH TO FLY TO SEATTLE FROM SYDNEY | December | 27% more expensive | It costs about $2,309 for flights to Seattle from Sydney in December |
| MOST POPULAR MONTH TO FLY TO SEATTLE FROM SYDNEY | June | 345% more users visited | More momondo users searched in flights to Seattle from Sydney in June than any other month |
Cheap Seattle flight deals and tips
Summary info about Seattle flight prices, duration and airlines
Best One-Way Price | $657 |
|---|---|
Best Round-Trip Price | $1,466 |
Fastest flight time | 21h 05m |
Popular in | December |
Frequently asked questions about flying to Seattle
What is there to do in Seattle when it’s raining?
When planning your flight to Seattle, it is important to be aware that some months are not as ideal as others. Specifically, the months of January, November, or December could carry a higher chance of rain, as Seattle sees up to 5.1 inches (130 mm) or more. There are still things to do in Seattle even when it's raining, but be aware that rain is highly probable in the area. For those looking to get out of the rain and do a little shopping, check out Pike Place Market.
When is it best to fly to Seattle to go sightseeing?
The city of Seattle has many sights to see while visiting. Many tourists find it ideal to go sightseeing when the weather is warmer, but not blistering. Consider booking your flight to Seattle for October, when temperatures are a bit higher and the chance of rain is relatively low. Many travellers find it worthwhile to visit Pike Place Market, Seattle Waterfront, and Space Needle.
How far in advance should I book a flight to Seattle?
The ideal time to book your flight to Seattle is 75 days in advance, when prices tend to average $1,809.
When did momondo last update prices for flights to Seattle/Tacoma Intl Airport?
Prices for flights to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights to Seattle/Tacoma Intl Airport?
As of March 2025, there are 18 operators available to choose from for flights to Seattle/Tacoma Intl Airport.
How old do you have to be to fly to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Travelling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights to Seattle with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seattle which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights to Seattle?
momondo helps you find the best flight to Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight to Seattle right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle and alert you when they change.