Cheap flights from Washington to Perth from $518

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Perth departing on 12/2. 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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Singapore Airlines Logo
9:45 am - 11:55 pmSEA-PER
23h 10m1 stop
Singapore Airlines Logo
5:05 pm - 8:10 amPER-SEA
30h 05m1 stop
$1,175Singapore Airlines
Find Deal
sáb., mar. 14 - vie., mar. 20
Singapore Airlines Logo
9:45 am - 11:55 pmSEA-PER
23h 10m1 stop
Singapore Airlines Logo
1:15 am - 8:10 amPER-SEA
21h 55m1 stop
$1,186Singapore Airlines
Find Deal
sáb., mar. 14 - jue., mar. 19
Multiple Airlines Logo
11:00 am - 10:50 amSEA-PER
31h 50m2 stops
Multiple Airlines Logo
11:30 am - 9:00 amPER-SEA
37h 30m2 stops
$1,192Multiple Airlines
Find Deal
sáb., nov. 29 - vie., dic. 12
Multiple Airlines Logo
8:45 am - 4:30 amSEA-PER
27h 45m2 stops
Multiple Airlines Logo
8:40 pm - 4:05 pmPER-SEA
34h 25m3 stops
$1,230Multiple Airlines
Find Deal
jue., feb. 19 - mié., mar. 11
Cathay Pacific Logo
1:55 pm - 10:55 pmSEA-PER
41h 00m2 stops
Cathay Pacific Logo
8:30 am - 10:36 pmPER-SEA
29h 06m2 stops
$1,244Cathay Pacific
Find Deal
jue., feb. 19 - mié., mar. 11
Cathay Pacific Logo
6:10 am - 6:55 amSEA-PER
33h 45m2 stops
Cathay Pacific Logo
8:30 am - 10:36 pmPER-SEA
29h 06m2 stops
$1,329Cathay Pacific
Find Deal
sáb., mar. 14 - vie., mar. 20
Qatar Airways Logo
7:00 am - 11:55 amSEA-PER
37h 55m2 stops
Qatar Airways Logo
10:45 pm - 12:40 pmPER-SEA
28h 55m1 stop
$1,369Qatar Airways
Find Deal
sáb., mar. 14 - vie., mar. 20
Air Canada Logo
7:00 pm - 8:10 pmPDX-PER
33h 10m2 stops
Air Canada Logo
10:55 pm - 2:40 pmPER-PDX
31h 45m2 stops
$1,370Air Canada
Find Deal
sáb., feb. 7 - mar., feb. 24
Qatar Airways Logo
7:00 am - 11:55 amSEA-PER
37h 55m2 stops
Qatar Airways Logo
3:55 pm - 6:54 pmPER-SEA
41h 59m2 stops
$1,454Qatar Airways
Find Deal
sáb., mar. 14 - vie., mar. 20
Air Canada Logo
8:00 pm - 9:30 pmSEA-PER
34h 30m2 stops
Air Canada Logo
10:40 pm - 10:08 pmPER-SEA
38h 28m2 stops
$1,525Air Canada
Find Deal
lun., abr. 20 - jue., abr. 23

Singapore Airlines flights from State of Washington to Perth

Our best Singapore Airlines deals on State of Washington to Perth flight tickets
Singapore Airlines
Mar 14
SEA9:45 amSeattle/Tacoma Intl
23h 10m
1 stop
PER11:55 pmPerth
Mar 20
PER5:05 pmPerth
30h 05m
1 stop
SEA8:10 amSeattle/Tacoma Intl
Singapore Airlines
Mar 14
SEA9:45 amSeattle/Tacoma Intl
23h 10m
1 stop
PER11:55 pmPerth
Mar 19
PER1:15 amPerth
21h 55m
1 stop
SEA8:10 amSeattle/Tacoma Intl
Singapore Airlines
Mar 14
SEA9:45 amSeattle/Tacoma Intl
52h 40m
1 stop
PER5:25 amPerth
Mar 20
PER1:50 pmPerth
33h 20m
1 stop
SEA8:10 amSeattle/Tacoma Intl

Qatar Airways flights from State of Washington to Perth

Our best Qatar Airways deals on State of Washington to Perth flight tickets
Qatar Airways
Mar 14
SEA7:00 amSeattle/Tacoma Intl
37h 55m
2 stops
PER11:55 amPerth
Mar 20
PER10:45 pmPerth
28h 55m
1 stop
SEA12:40 pmSeattle/Tacoma Intl
Qatar Airways
Mar 14
SEA7:00 amSeattle/Tacoma Intl
37h 55m
2 stops
PER11:55 amPerth
Mar 20
PER3:55 pmPerth
41h 59m
2 stops
SEA6:54 pmSeattle/Tacoma Intl
Qatar Airways
Nov 24
PDX10:35 amPortland
33h 20m
2 stops
PER11:55 amPerth
Mar 31
PER10:45 pmPerth
38h 36m
2 stops
PDX10:21 pmPortland

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated noviembre 6, 2025.
Use the filters below to find and compare flights from Washington to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

sáb. 3/14

9:45 am-11:55 pm

1 stop23h 10m

Perth

vie. 3/20

5:05 pm-8:10 am

1 stop30h 05m

$1,175

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

sáb. 3/14

9:45 am-11:55 pm

1 stop23h 10m

Perth

jue. 3/19

1:15 am-8:10 am

1 stop21h 55m

$1,186

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

sáb. 11/29

11:00 am-10:50 am

2 stops31h 50m

Perth

vie. 12/12

11:30 am-9:00 am

2 stops37h 30m

$1,192

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

jue. 2/19

8:45 am-4:30 am

2 stops27h 45m

Perth

mié. 3/11

8:40 pm-4:05 pm

3 stops34h 25m

$1,230

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

jue. 2/19

1:55 pm-10:55 pm

2 stops41h 00m

Perth

mié. 3/11

8:30 am-10:36 pm

2 stops29h 06m

$1,244

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

sáb. 3/14

6:10 am-6:55 am

2 stops33h 45m

Perth

vie. 3/20

8:30 am-10:36 pm

2 stops29h 06m

$1,329

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

sáb. 3/14

7:00 am-11:55 am

2 stops37h 55m

Perth

vie. 3/20

10:45 pm-12:40 pm

1 stop28h 55m

$1,369

PortlandPerth

PDX - PER

PDXPER

Portland

sáb. 2/7

7:00 pm-8:10 pm

2 stops33h 10m

Perth

mar. 2/24

10:55 pm-2:40 pm

2 stops31h 45m

$1,370

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

sáb. 3/14

7:00 am-11:55 am

2 stops37h 55m

Perth

vie. 3/20

3:55 pm-6:54 pm

2 stops41h 59m

$1,454

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

lun. 4/20

8:00 pm-9:30 pm

2 stops34h 30m

Perth

jue. 4/23

10:40 pm-10:08 pm

2 stops38h 28m

$1,525

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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How to get the cheapest flight ticket from State of Washington to Perth

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 Perth?

In general, September is the cheapest month to fly from State of Washington to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,290. If you are unable to visit Perth during the month of September, then departing from State of Washington during the month February is also very affordable. Most momondo users find prices during this month for around $1,315.

What is the cheapest day to depart on your flight to Perth?

The cheapest day to depart on your flight to Perth is on a Sunday when prices can be found for as low as $1,482. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Friday, with ticket prices averaging around $1,858.

What is the cheapest time of day to depart on your flight to Perth?

In the evening is the cheapest time of day to fly from State of Washington to Perth when you can find flight prices for as low as $1,497. Flying to Perth in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,690. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on State of Washington to Perth flights?

You could potentially save up to 23% on your flight if you consider stops on a State of Washington to Perth flight.

Cheap State of Washington to Perth flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Perth

Direct flights

None
There are no direct flights from State of Washington to Perth. There are no popular flight routes from State of Washington to Perth.
  • When did momondo last update prices for flights from Washington to Perth Airport?

    Prices for flights from Washington to Perth Airport are updated daily.

  • How many operators does momondo search for flights from Washington to Perth Airport?

  • How old do you have to be to fly from Washington to Perth 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 layovers 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 Washington to Perth Airport.

  • What documentation or ID do you need to fly to Perth Airport?

    The travel and health documents you'll need for your trip to Perth 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 license and a passport that is valid for six months after your intended arrival at Perth Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Perth

Compare and see reviews for airlines that fly from State of Washington to Perth with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $1,239Free CancellationRating
8.1
1,393 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $1,258Free CancellationRating
7.5
929 reviews
Search Qantas Airways flights
Qatar AirwaysPriceFrom $1,307Free CancellationRating
7.4
3,661 reviews
Search Qatar Airways flights

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Fremantle
Rottnest Island
Scarborough
Waikiki

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Perth?

Finding the right flight to Perth from Washington 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 Perth quick and easy, saving you time and money.

Can I find flights from Washington to Perth with flexible booking policies on momondo?

All flight searches from Washington to Perth on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington to Perth?

momondo helps you find the best flight between Washington and Perth by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington to Perth right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Perth from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
sáb. 12/6
sáb. 12/13

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