Find flights
When to book
Airlines
FAQs

Cheap flights from Adelaide to Washington from $1,564

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — SEA
27 Feb — 6 Mar1
1 adult

Cheap flight deals from Adelaide to Washington

Keep the following information in mind while searching for Adelaide to Washington flight deals. Data was last updated 22 February 2025.

Round-trip from

$1,600

One-way from

$1,564

Popular in

December

Cheapest in

November

Average price

$1,766
Air New Zealand
  • Air New Zealand
  • 23/7-13/8
  • 4 total stops
  • 62h 01m total
  • Adelaide to Washington
Search Deals
2/3
  • 2/3
  • 3 total stops
  • 44h 39m total
  • Adelaide to Washington
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($492 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($108 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Adelaide to Washington

Cheapest flights from Adelaide to Washington
Explore the most affordable flight options available from Adelaide to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 February 2025.

Wed 23/711:55ADL - SEA
2 stops26h 36mAir New Zealand
Wed 6/817:14SEA - ADL
2 stops25h 11mAir New Zealand
Deal found 21/2$1,600
Mon 17/306:10ADL - PDX
2 stops29h 44mMultiple Airlines
Sun 23/319:05PDX - ADL
2 stops24h 40mMultiple Airlines
Deal found 21/2$1,719
Mon 17/319:45ADL - PDX
2 stops40h 09mAir Canada
Sun 23/315:25PDX - ADL
2 stops34h 15mAir Canada
Deal found 21/2$1,766
Fri 25/717:35ADL - SEA
1 stop31h 40mSingapore Airlines
Tue 12/810:15SEA - ADL
1 stop28h 40mSingapore Airlines
Deal found 21/2$1,811
Fri 25/719:00ADL - SEA
2 stops30h 51mAir Canada
Tue 12/819:15SEA - ADL
2 stops24h 05mAir Canada
Deal found 21/2$1,901
Thu 22/506:00ADL - SEA
2 stops23h 52mVirgin Australia
Tue 24/619:27SEA - ADL
2 stops27h 48mVirgin Australia
Deal found 21/2$1,992
Thu 22/506:05ADL - SEA
2 stops35h 24mUnited Airlines
Thu 5/612:35SEA - ADL
2 stops30h 00mUnited Airlines
Deal found 21/2$2,057
Thu 22/520:10ADL - SEA
2 stops63h 50mMultiple Airlines
Mon 23/601:10SEA - ADL
2 stops46h 50mMultiple Airlines
Deal found 21/2$2,266
Tue 1/406:00ADL - SEA
2 stops22h 30mQantas Airways
Wed 30/416:15SEA - ADL
2 stops34h 45mQantas Airways
Deal found 20/2$2,532
Thu 22/521:40ADL - SEA
1 stop31h 35mQatar Airways
Tue 24/616:30SEA - ADL
1 stop30h 50mQatar Airways
Deal found 21/2$2,623
Mon 7/406:05ADL - PDX
2 stops28h 58mVirgin Australia
Mon 14/410:21PDX - ADL
2 stops32h 19mVirgin Australia
Deal found 21/2$2,781
Mon 7/421:40ADL - PDX
2 stops50h 17mQatar Airways
Mon 14/406:00PDX - ADL
3 stops56h 10mQatar Airways
Deal found 21/2$3,165

Find flights from Adelaide to Washington within your budget

Customise your flight search to find flights from Adelaide to Washington 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, Cheapflights users made 647,157 searches. Data last updated 22 February 2025.

Fly from

Adelaide

Fly to

Washington

Route

Depart

Return

Price

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 23/7

11:55-22:01

2 stops26h 36m

Seattle/Tacoma Intl

Wed 6/8

17:14-10:55

2 stops25h 11m

$1,600

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Mon 17/3

06:10-18:24

2 stops29h 44m

Portland

Sun 23/3

19:05-13:15

2 stops24h 40m

$1,719

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Mon 17/3

19:45-18:24

2 stops40h 09m

Portland

Sun 23/3

15:25-19:10

2 stops34h 15m

$1,766

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 25/7

17:35-08:45

1 stop31h 40m

Seattle/Tacoma Intl

Tue 12/8

10:15-07:25

1 stop28h 40m

$1,811

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 25/7

19:00-09:21

2 stops30h 51m

Seattle/Tacoma Intl

Tue 12/8

19:15-11:50

2 stops24h 05m

$1,901

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 22/5

06:05-16:47

2 stops27h 12m

Seattle/Tacoma Intl

Mon 23/6

14:50-11:05

2 stops27h 45m

$1,982

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 22/5

06:00-13:22

2 stops23h 52m

Seattle/Tacoma Intl

Tue 24/6

19:27-15:45

2 stops27h 48m

$1,992

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 22/5

08:00-21:58

3 stops30h 28m

Seattle/Tacoma Intl

Mon 23/6

11:55-12:15

3 stops31h 50m

$2,263

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 1/4

06:00-11:00

2 stops22h 30m

Seattle/Tacoma Intl

Wed 30/4

16:15-19:30

2 stops34h 45m

$2,532

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 22/5

11:40-12:45

2 stops41h 35m

Seattle/Tacoma Intl

Mon 23/6

16:30-15:50

1 stop30h 50m

$2,595

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 17 results
1
2

Best time to book a flight from Adelaide to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Adelaide 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 Adelaide to Washington

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

What is the cheapest month to book a flight from Adelaide to State of Washington?

Currently, March is the cheapest month in which you can book a flight from Adelaide to State of Washington (average of $875). Flying from Adelaide to State of Washington in December is currently the most expensive (average of $1,487). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ADL to WA?

Find hourly flight availability from Adelaide to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 February 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Adelaide to State of Washington as you normally would.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated 22 February 2025.
Read reviews from past customers who have flown Singapore Airlines, Fiji Airways and Air New Zealand from Adelaide to Washington. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,297 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.7

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Singapore Airlines
8.1
Very Good
1,297 reviews
Singapore Airlines
8.1
Very Good
1,297 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.7

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Fiji Airways
8.0
Very Good
184 reviews
Singapore Airlines
8.1
Very Good
1,297 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.7

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Air New Zealand
7.9
Good
460 reviews
Singapore Airlines
8.1
Very Good
1,297 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.7

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Virgin Australia
7.5
Good
415 reviews
Singapore Airlines
8.1
Very Good
1,297 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.7

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Qatar Airways
7.4
Good
3,612 reviews
Singapore Airlines
8.1
Very Good
1,297 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.7

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Related info for your journey

Find useful and relevant information for your journey from Adelaide to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Adelaide to Washington?

    Most people fly from Adelaide (ADL) if they book a flight from Adelaide to Washington. Adelaide is conveniently located just 6.6 km from Adelaide’s city centre.

  • What are the cheapest airlines to fly from Adelaide to State of Washington one-way?

    The cheapet airlines for a one-way flight from Adelaide to State of Washington are Qantas Airways ($1,677), Fiji Airways ($6,246), and Singapore Airlines ($8,336).

  • Can I find deals for flights from Adelaide to Washington that include hotel bookings?

    Yes. In addition to deals on Adelaide to Washington flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Adelaide to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Adelaide to Washington.

  • Can I find deals for business class flights from Adelaide to Washington?

    Yes. Cheapflights offers flight deals from Adelaide to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Adelaide to State of Washington?

    Currently, March is the cheapest month in which you can book a flight from Adelaide to State of Washington (average of $875). Flying from Adelaide to State of Washington in December is currently the most expensive (average of $1,487). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Adelaide to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Adelaide to Dallas/Fort Worth flights
Adelaide to Los Angeles flights
Adelaide to O'Hare Intl flights
Adelaide to Honolulu flights
Adelaide to John F Kennedy Intl flights
Adelaide to San Francisco flights
Adelaide to LaGuardia flights
Adelaide to Newark flights
Adelaide to Miami flights
Adelaide to Seattle flights
Adelaide to Atlanta flights
Adelaide to Las Vegas flights
Adelaide to Boston flights
Adelaide to Tampa flights
Adelaide to Portland flights
Adelaide to Hobby flights
Adelaide to Philadelphia flights
Adelaide to Minneapolis flights
Adelaide to San Jose flights
Adelaide to Kahului flights
Adelaide to Richmond flights
Adelaide to Reno flights
Adelaide to George Bush Intcntl flights
Adelaide to Salt Lake City flights
Adelaide to Fort Lauderdale flights

Top 6 airlines flying from Adelaide to Washington

Discover the top 6 airlines that operate flights from Adelaide to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 22 February 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$989Average$1,847FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,028Average$2,185FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$1,366Average$1,829FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest$1,495Average$1,820FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air CanadaCheapest$1,510Average$1,767FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qatar AirwaysCheapest$2,433Average$2,708FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Adelaide to Washington?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Washington from Adelaide today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Adelaide to Washington.

Can Cheapflights find flights from Adelaide to Washington with no change fees?

Certainly. Search results for flights to Washington from Adelaide 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 Adelaide to Washington become cheaper?

Yes! Start tracking prices for Adelaide to Washington flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.