Cheap flights from Seattle (SEA) to Adelaide (ADL)

SEA — ADL
Jan 31 — Feb 71

How to find the cheapest flight from Seattle (SEA) to Adelaide (ADL)

All the information you need to plan the best SEA to ADL flight in 2023: compare Seattle to Adelaide flight prices with the expected peak season, weather and rainfall in Adelaide.

SEA - ADL

Price

$1,166 - $2,364

ADL

Temperature

51.8 - 69.8 °F

ADL

Rainfall

0.4 - 2.4 inches

Popular inMayHigh demand for flights, 26% potential price rise
Cheapest inMarchBest time to find cheap flights, 33% potential price drop
Average price$1,838Average for round-trip flights in January 2023
Round-trip from$1,166From Seattle/Tacoma Intl to Adelaide

What is the cheapest day to fly round-trip from Seattle to Adelaide?

Users have found that flying from Seattle to Adelaide on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Seattle to Adelaide?

March can be a great time to fly to Adelaide from Seattle with a flight ticket averaging about $1,740. Cheapflights users have found deals in the month of March for as cheap as $1,132. The most expensive prices can be found in the month of May.

When is the cheapest time to fly from Seattle to Adelaide (SEA - ADL)?

A simple way to save on the total cost of your ticket is to fly from Seattle to Adelaide in the morning. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the afternoon.

Cheap flights from Seattle to Adelaide in January, February 2023

The best prices found for SEA to ADL flights for January, February
Feb 23 - Mar 2
SEA

Seattle/Tacoma Intl

ADL

Adelaide

2 stops

33h 45m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

2 stops

30h 30m
$1,955

Qantas Airways

Pick Dates

Deal found 1/24

Feb 23 - Mar 2
SEA

Seattle/Tacoma Intl

ADL

Adelaide

2 stops

30h 16m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

3 stops

43h 43m
$2,387

Air New Zealand

Pick Dates

Deal found 1/24

Feb 2 - Feb 8
SEA

Seattle/Tacoma Intl

ADL

Adelaide

2 stops

27h 40m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

2 stops

21h 48m
$2,591

Multiple Airlines

Pick Dates

Deal found 1/25

Seattle to Adelaide 2023 flight deals

Cheap flights to Adelaide from Seattle found for this year
Jun 18 - Jul 2
SEA

Seattle/Tacoma Intl

ADL

Adelaide

2 stops

35h 10m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

2 stops

29h 44m
$1,595

Air Canada

Pick Dates

Deal found 1/24

Jun 18 - Jul 2
SEA

Seattle/Tacoma Intl

ADL

Adelaide

2 stops

26h 50m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

2 stops

37h 09m
$1,670

Multiple Airlines

Pick Dates

Deal found 1/26

Apr 15 - Apr 20
SEA

Seattle/Tacoma Intl

ADL

Adelaide

2 stops

33h 45m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

2 stops

30h 57m
$1,733

Multiple Airlines

Pick Dates

Deal found 1/24

Cheap Singapore Airlines flights from Seattle to Adelaide

Apr 15 - Apr 20
SEA

Seattle/Tacoma Intl

ADL

Adelaide

3 stops

52h 40m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

3 stops

56h 02m
$2,495

Singapore Airlines

Pick Dates

Deal found 1/24

Jun 18 - Jul 2
SEA

Seattle/Tacoma Intl

ADL

Adelaide

3 stops

52h 50m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

2 stops

40h 12m
$2,501

Singapore Airlines

Pick Dates

Deal found 1/24

Apr 15 - Apr 20
SEA

Seattle/Tacoma Intl

ADL

Adelaide

1 stop

52h 35m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

1 stop

64h 05m
$2,546

Singapore Airlines

Pick Dates

Deal found 1/24

Cheap Qatar Airways flights from Seattle to Adelaide

Jun 18 - Jul 2
SEA

Seattle/Tacoma Intl

ADL

Adelaide

1 stop

30h 15m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

1 stop

31h 40m
$3,685

Qatar Airways

Pick Dates

Deal found 1/24

Jun 18 - Jul 2
SEA

Seattle/Tacoma Intl

ADL

Adelaide

1 stop

30h 15m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

1 stop

31h 40m
$3,704

Qatar Airways

Pick Dates

Deal found 1/25

Feb 23 - Mar 2
SEA

Seattle/Tacoma Intl

ADL

Adelaide

1 stop

30h 15m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

1 stop

31h 45m
$4,730

Qatar Airways

Pick Dates

Deal found 1/24

Last minute flights from Seattle to Adelaide

Late deals on return flights to Adelaide from Seattle, departing today and this week
Feb 2 - Feb 8
SEA

Seattle/Tacoma Intl

ADL

Adelaide

2 stops

27h 40m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

2 stops

21h 48m
$2,591

Multiple Airlines

Pick Dates

Deal found 1/25

Feb 2 - Feb 8
SEA

Seattle/Tacoma Intl

ADL

Adelaide

2 stops

41h 20m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

1 stop

31h 45m
$2,940

Multiple Airlines

Pick Dates

Deal found 1/25

Feb 2 - Feb 8
SEA

Seattle/Tacoma Intl

ADL

Adelaide

2 stops

33h 25m
ADL

Adelaide

SEA

Seattle/Tacoma Intl

3 stops

56h 39m
$4,021

Singapore Airlines

Pick Dates

Deal found 1/25

One-way flights to Adelaide from Seattle

The cheapest one-way flights from Seattle to Adelaide
Apr 15
SEA

Seattle/Tacoma Intl

ADL

Adelaide

2 stops

34h 20m
$685

Multiple Airlines

Pick Dates

Deal found 1/25

Apr 15
SEA

Seattle/Tacoma Intl

ADL

Adelaide

1 stop

28h 35m
$1,250

Singapore Airlines

Pick Dates

Deal found 1/25

Apr 15
SEA

Seattle/Tacoma Intl

ADL

Adelaide

3 stops

52h 40m
$1,382

Singapore Airlines

Pick Dates

Deal found 1/25

Reviews of Airlines Servicing Adelaide

Air New Zealand
8.4
Very good
15 reviews

Overall

8.4

Boarding

9.0

Comfort

8.8

Food

7.4

Crew

9.4

Entertainment

7.1

Reviews

1 / 6

Plane was late and caused me to miss my return ferry crossing with my vehicle I was bringing to timaru

Air New Zealand
8.4
Very good
15 reviews
Air New Zealand
8.4
Very good
15 reviews

Overall

8.4

Boarding

9.0

Comfort

8.8

Food

7.4

Crew

9.4

Entertainment

7.1

Reviews

1 / 6

Plane was late and caused me to miss my return ferry crossing with my vehicle I was bringing to timaru

Fiji Airways
8.2
Very good
20 reviews
Air New Zealand
8.4
Very good
15 reviews

Overall

8.4

Boarding

9.0

Comfort

8.8

Food

7.4

Crew

9.4

Entertainment

7.1

Reviews

1 / 6

Plane was late and caused me to miss my return ferry crossing with my vehicle I was bringing to timaru

Singapore Airlines
8.0
Very good
203 reviews
Air New Zealand
8.4
Very good
15 reviews

Overall

8.4

Boarding

9.0

Comfort

8.8

Food

7.4

Crew

9.4

Entertainment

7.1

Reviews

1 / 6

Plane was late and caused me to miss my return ferry crossing with my vehicle I was bringing to timaru

American Airlines
7.4
Good
1,666 reviews
Air New Zealand
8.4
Very good
15 reviews

Overall

8.4

Boarding

9.0

Comfort

8.8

Food

7.4

Crew

9.4

Entertainment

7.1

Reviews

1 / 6

Plane was late and caused me to miss my return ferry crossing with my vehicle I was bringing to timaru

Qatar Airways
7.3
Good
1,007 reviews
Air New Zealand
8.4
Very good
15 reviews

Overall

8.4

Boarding

9.0

Comfort

8.8

Food

7.4

Crew

9.4

Entertainment

7.1

Reviews

1 / 6

Plane was late and caused me to miss my return ferry crossing with my vehicle I was bringing to timaru

Related info for your journey

Useful info, stats and facts about Seattle to Adelaide flights.

Which airlines flying from Seattle/Tacoma Intl to Adelaide have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Air Canada, Qantas Airways, and Singapore Airlines flying from Seattle/Tacoma Intl to Adelaide have implemented new flexible cancellation policies.

Can I find flights from Seattle to Adelaide for under $1,600 on Cheapflights?

Yes, there are multiple flights from Seattle to Adelaide for under $1,600. The cheapest flight booked recently is on Air Canada for just $1,595, but on average you can expect to pay $2,802.

Are there last-minute flights available from Seattle to Adelaide for under $2,600?

There are currently 4+ open flights from Seattle to Adelaide within the next 7 days for less than $2,600.

What are the cheapest airlines flying from Seattle to Adelaide round-trip?

Air Canada, at $1,595, was found to be the cheapest airline from Seattle to Adelaide.Alternate airlines to your destination round-trip include Qantas Airways and Fiji Airways. These flights start at 8% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Seattle to Adelaide one-way?

The cheapest airlines for a one-way flight from Seattle to Adelaide are Singapore Airlines ($1,250), Fiji Airways ($3,512), and Qatar Airways ($4,515).

What are the most popular airlines that fly from Seattle to Adelaide?

Consider American Airlines, Air Canada or Cathay Pacific when booking your flight. These represent the most popular airlines when flying from Seattle to Adelaide.

What are the cheapest flights from Seattle to Adelaide?

Looking for the cheapest flight from Seattle to Adelaide? While on average our users pay $4,057, our data indicates the cheapest price to be $801. The most popular route (Seattle/Tacoma Intl - Adelaide), is priced around $1,670.

Top 4 airlines flying from Seattle to Adelaide

The chart below displays the airlines Cheapflights users traveling from Seattle to Adelaide choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Virgin AustraliaCheapest$892Average$1,082FlexibilityNo cancel feeOn-time80%COVID-19 safety
Search Virgin Australia flights
Air CanadaCheapest$1,191Average$1,575FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
Qantas AirwaysCheapest$1,350Average$2,461FlexibilityNo cancel feeOn-time74%COVID-19 safety
Search Qantas Airways flights
Singapore AirlinesCheapest$1,456Average$1,709FlexibilityNo cancel feeOn-time81%COVID-19 safety
Search Singapore Airlines flights
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