Cheap flights from Perth to Seattle from $831
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Perth to Seattle departing on 15/10. 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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Japan Airlines flights from Perth to Seattle
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United Airlines flights from Perth to Seattle
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How to get the cheapest flight ticket from Perth to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
The month of February is, on average, the cheapest month to fly to Seattle from Perth, with most prices found around $1,723. If you are unable to visit Seattle during the month of February, then departing from Perth during the month October is also very affordable. Most momondo users find prices during this month for around $1,776.
What is the cheapest day to depart on your flight to Seattle?
The cheapest day to depart from Perth to Seattle is on a Wednesday. Travellers who choose to depart for Seattle on a Wednesday will often find tickets for as low as $1,932. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Perth to Seattle for around $2,244.
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 in the morning. momondo users have found flights departing from Perth to Seattle in the morning for as low as $1,753. 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 at midday when prices are around $2,295.
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Perth when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $2,052 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Perth for as low as $1,716 on momondo.
What is the cheapest airline that flies from Perth to Seattle/Tacoma Intl?
United Airlines, Japan Airlines, and Singapore Airlines are the most popular carriers operating from Perth to Seattle/Tacoma Intl
Which airlines fly to Seattle?
Singapore Airlines, Japan Airlines and Qantas Airways are the top three most popular airlines that fly to Seattle from Perth according to our data. Singapore Airlines is the first choice among our users, with 62% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
When to book flights from Perth to Seattle
Cheap Perth to Seattle (PER to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Perth to Seattle
How far is Perth to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 14868.9 km away from Perth. A reasonable flight in good conditions will take 22h 35m.
When did momondo last update prices for flights from Perth Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Perth Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Perth Airport to Seattle/Tacoma Intl Airport?
As of June 2025, there are 5 operators available to choose from for flights from Perth Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Perth Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Perth Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Perth to Seattle?
Based on momondo bookings for flights between Perth and Seattle, the leading airline is Singapore Airlines, making up 60% of the total bookings. Other popular airlines include Japan Airlines with 29%, Qantas Airways with 4%, and Air Canada with 4%.
Best airlines flying from Perth to Seattle
Compare and see reviews for airlines that fly from Perth to Seattle with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,416 | Free cancellation | Rating 7.1 9,521 reviews | |||
| PriceFrom $1,554 | Free cancellation | Rating 8.3 1,489 reviews | |||
| PriceFrom $1,616 | Free cancellation | Rating 8.3 878 reviews | |||
| PriceFrom $1,697 | Free cancellation | Rating 8.1 1,302 reviews | |||
| PriceFrom $1,807 | Free cancellation | Rating 7.5 854 reviews |
Travelling to a place near Seattle?
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Why should I use momondo to find a flight deal from Perth to Seattle?
Finding the right flight to Seattle from Perth is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.
Can I find flights from Perth to Seattle with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Perth to Seattle flights to just show those with flexible booking policies.
How can momondo help me find flights from Perth to Seattle?
Once all potential Perth to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Perth to Seattle right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Perth to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.