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$166+ Cheap flights from Seattle

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — SYD
9 Jul — 16 Jul1
1 adult

What to know about flights from Seattle

Discover essential information about flights departing from Seattle, including flight schedules, destinations, airlines operating at the Seattle airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 4 July 2025.

Cheapest airline

Air Canada

Good round-trip deal

$339 or less

Good one-way deal

$119 or less
On average, Air Canada currently has the cheapest one-way flight from Seattle/Tacoma Intl (avg. price of $1,613).
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Price to beat on a round-trip flight from Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Seattle/Tacoma Intl.
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Find flights from Seattle

Cheapest flights from Seattle
Explore the most affordable flight options available from Seattle. Find the lowest fares based on data from user searches, with prices last updated on 4 July 2025.

Wed 6/818:45SEA - SYD
1 stop19h 20mAlaska Airlines
Wed 27/809:10SYD - SEA
1 stop18h 44mAlaska Airlines
Deal found 1/7$1,124
Wed 6/818:09SEA - SYD
1 stop20h 21mQantas Airways
Thu 28/809:10SYD - SEA
1 stop29h 23mQantas Airways
Deal found 1/7$1,188
Sun 7/914:55SEA - SYD
1 stop23h 25mAir Canada
Tue 16/909:20SYD - SEA
1 stop26h 16mAir Canada
Deal found 3/7$1,199
Fri 8/806:45SEA - SYD
1 stop31h 15mUnited Airlines
Thu 21/809:30SYD - SEA
2 stops28h 24mUnited Airlines
Deal found 3/7$1,220
Mon 4/814:30SEA - SYD
1 stop24h 00mAmerican Airlines
Mon 18/809:10SYD - SEA
2 stops24h 32mAmerican Airlines
Deal found 3/7$1,229
Sat 2/817:59SEA - SYD
1 stop20h 31mMultiple Airlines
Sun 24/821:30SYD - SEA
1 stop17h 42mMultiple Airlines
Deal found 2/7$1,240
Mon 4/814:24SEA - SYD
1 stop23h 11mDelta
Mon 18/809:25SYD - SEA
2 stops24h 13mDelta
Deal found 3/7$1,272
Wed 3/923:35SEA - MEL
1 stop36h 25mPhilippine Airlines
Wed 10/908:00MEL - SEA
1 stop28h 15mPhilippine Airlines
Deal found 3/7$1,378
Fri 22/823:35SEA - BNE
1 stop41h 20mPhilippine Airlines
Fri 5/911:15BNE - SEA
1 stop25h 00mPhilippine Airlines
Deal found 2/7$1,448
Tue 5/817:55SEA - AVV
2 stops27h 15mMultiple Airlines
Sun 17/806:00AVV - SEA
2 stops32h 33mMultiple Airlines
Deal found 1/7$1,479
Tue 16/918:05SEA - MEL
2 stops22h 15mQantas Airways
Thu 2/1006:15MEL - SEA
2 stops23h 39mQantas Airways
Deal found 3/7$1,490
Wed 13/817:15SEA - MEL
2 stops26h 20mMultiple Airlines
Wed 20/820:30MEL - SEA
2 stops31h 24mMultiple Airlines
Deal found 1/7$1,505

Find flights from Seattle within your budget

Find flights departing from Seattle that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 4 July 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 6/8

18:45-07:05

1 stop19h 20m

Sydney Kingsford Smith

Wed 27/8

09:10-10:54

1 stop18h 44m

$1,124

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 6/8

18:09-07:30

1 stop20h 21m

Sydney Kingsford Smith

Thu 28/8

09:10-21:33

1 stop29h 23m

$1,188

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 7/9

14:55-07:20

1 stop23h 25m

Sydney Kingsford Smith

Tue 16/9

09:20-18:36

1 stop26h 16m

$1,199

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Fri 8/8

06:45-07:00

1 stop31h 15m

Sydney Kingsford Smith

Thu 21/8

09:30-20:54

2 stops28h 24m

$1,220

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 4/8

14:30-07:30

1 stop24h 00m

Sydney Kingsford Smith

Mon 18/8

09:10-16:42

2 stops24h 32m

$1,229

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sat 2/8

17:59-07:30

1 stop20h 31m

Sydney Kingsford Smith

Sun 24/8

21:30-22:12

1 stop17h 42m

$1,240

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 4/8

07:10-06:35

2 stops30h 25m

Sydney Kingsford Smith

Mon 18/8

09:25-16:38

2 stops24h 13m

$1,272

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 3/9

23:35-05:00

1 stop36h 25m

Melbourne

Wed 10/9

08:00-19:15

1 stop28h 15m

$1,378

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Fri 22/8

23:35-09:55

1 stop41h 20m

Brisbane

Fri 5/9

11:15-19:15

1 stop25h 00m

$1,448

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 16/9

18:05-09:20

2 stops22h 15m

Melbourne

Thu 2/10

06:15-12:54

2 stops23h 39m

$1,490

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 60 results
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Best time to book a flight from Seattle

Have a flexible travel schedule? Discover the best time to fly from Seattle with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle

Get recent, data-driven insights about flights from Seattle including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Seattle?

Use this chart to determine the optimal time to book a return flight from Seattle to Sydney. Price data was last updated on 27 June 2025.

The best time to book flights from Seattle is 9 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle?

Currently, July is the cheapest month in which you can book a flight from Seattle (average of $1,036). Flying from Seattle in January will prove the most costly (average of $1,359). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Seattle?

When flying from Seattle check dates and pricing for the following: Air Canada, United Airlines. As they depart for the following popular destinations: Sydney.

Air Canada
Air Canada
From $840
United Airlines
United Airlines
From $821
Delta
Delta
From $780
Alaska Airlines
Alaska Airlines
From $174

What are popular destinations to fly to from Seattle?

Seattle offers frequent flights to Chicago (792 flights per day), Los Angeles (618 flights per day) and San Francisco (587 flights per day).

Los Angeles
Los Angeles
From $79
San Francisco
San Francisco
From $76
Seoul
Seoul
From $361
Honolulu
Honolulu
From $229

What is the cheapest place to fly to from Seattle?

The cheapest city to fly to from Seattle is San Francisco, with prices starting at $115. Explore other affordable destinations below.

San Francisco
San Francisco
From $76
Los Angeles
Los Angeles
From $79
Calgary
Calgary
From $107
Chicago
Chicago
From $115

Airline reviews for flights from Seattle

Get insights into the airlines that provide service from Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Seattle. In the last 7 days, Cheapflights users made a total of 647,157 searches.
See what other customers who have flown with China Airlines, Alaska Airlines, andDelta from Seattle have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very Good
744 reviews
Check prices

Entertainment

8.0

Crew

8.5

Food

7.8

Comfort

8.0

Boarding

8.3

Overall

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very Good
744 reviews
China Airlines
8.3
Very Good
744 reviews
Check prices

Entertainment

8.0

Crew

8.5

Food

7.8

Comfort

8.0

Boarding

8.3

Overall

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Alaska Airlines
8.0
Very Good
10,000 reviews
China Airlines
8.3
Very Good
744 reviews
Check prices

Entertainment

8.0

Crew

8.5

Food

7.8

Comfort

8.0

Boarding

8.3

Overall

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Delta
8.0
Very Good
7,982 reviews
China Airlines
8.3
Very Good
744 reviews
Check prices

Entertainment

8.0

Crew

8.5

Food

7.8

Comfort

8.0

Boarding

8.3

Overall

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Qantas Airways
7.5
Good
868 reviews
China Airlines
8.3
Very Good
744 reviews
Check prices

Entertainment

8.0

Crew

8.5

Food

7.8

Comfort

8.0

Boarding

8.3

Overall

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
United Airlines
7.4
Good
8,844 reviews
China Airlines
8.3
Very Good
744 reviews
Check prices

Entertainment

8.0

Crew

8.5

Food

7.8

Comfort

8.0

Boarding

8.3

Overall

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

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Related info for your journey

Access useful and relevant information related to your journey from Seattle. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 4 July 2025.

  • What are the most popular destinations to fly to from Seattle?

    For the current month, the most popular flights from Seattle are Boston, Bengaluru, Mumbai. Boston, Mumbai, Bangkok Suvarnabhumi Airport are the most popular locations from Seattle year round.

  • What is the cheapest flight from Seattle to anywhere?

    Users have flown out of Seattle for as low as $115 to San Francisco (prices may vary depending on the airline and departure time). On average, users have booked flights for $893 to fly from Seattle.

  • What are the cheapest airlines flying from Seattle to anywhere?

    According to our data, users have found Spirit Airlines, Alaska Airlines, and Scandinavian Airlines to have the cheapest round-trip prices from Seattle. Some of the destinations and prices are as follows: Spirit Airlines flights from Seattle to Los Angeles ($185). Alaska Airlines flights from Seattle to Los Angeles ($265). Scandinavian Airlines flights from Seattle to Bologna Guglielmo Marconi ($1,036).

  • What is the cheapest premium economy flight from Seattle?

    Options for some of the cheapest premium economy flights from Seattle we have found on Cheapflights are as follows:
    Fly from Seattle/Tacoma Intl to Salt Lake City starting at $730
    Fly from Seattle/Tacoma Intl to Cincinnati starting at $977
    Fly from Seattle/Tacoma Intl to Fort Lauderdale starting at $1,243
    Fly from Seattle/Tacoma Intl to Chicago O'Hare Intl Airport starting at $4,065

  • What is the cheapest month to fly from Seattle?

    Currently, the cheapest month for flights from Seattle is July. The most expensive month for flights is January. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Seattle?

    View the cheapest flight destinations from Seattle:
    Fly from Seattle to Sydney from $1,179 round trip
    Fly from Seattle to Melbourne from $1,479 round trip

  • How does Cheapflights help users find flights from Seattle?

    Cheapflights helps you search for flights from Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • Why should you use Cheapflights to find cheap flight tickets from Seattle?

    Cheapflights helps you find that perfect flight from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Seattle with no change fees?

    Certainly. Search results for flights from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from Seattle become cheaper?

    Yes, Cheapflights offers price alerts on flights from Seattle so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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How does Cheapflights help users find flights from Seattle?

Cheapflights helps you search for flights from Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Seattle?

Cheapflights helps you find that perfect flight from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Seattle with no change fees?

Certainly. Search results for flights from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle become cheaper?

Yes, Cheapflights offers price alerts on flights from Seattle so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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