Find flights
When to book
Airlines
FAQs

Cheap flights from Adelaide to Washington from $1,123

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — SEA
25 Jan — 1 Feb1
1 adult

Cheap flight deals from Adelaide to Washington

Discover tips and strategies to find the most affordable flight options for your journey from Adelaide (ADL) to Washington (USWA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 January 2025.

Round-trip from

$1,593

One-way from

$1,123
4/3-11/3
  • 4/3-11/3
  • 6 total stops
  • 59h 02m total
  • Adelaide to Washington
Search Deals
18/2
  • 18/2
  • 2 total stops
  • 53h 47m total
  • Adelaide to Washington
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 20 January 2025.

Tue 4/306:15ADL - SEA
3 stops28h 58mMultiple Airlines
Tue 11/312:41SEA - ADL
3 stops30h 04mMultiple Airlines
Deal found 20/1$1,593
Thu 24/717:35ADL - SEA
1 stop31h 40mSingapore Airlines
Thu 14/810:15SEA - ADL
1 stop28h 40mSingapore Airlines
Deal found 20/1$1,694
Wed 5/319:45ADL - PDX
2 stops43h 55mMultiple Airlines
Wed 12/309:38PDX - ADL
2 stops55h 47mMultiple Airlines
Deal found 19/1$1,826
Tue 4/307:05ADL - SEA
2 stops24h 23mQantas Airways
Tue 11/315:58SEA - ADL
2 stops25h 52mQantas Airways
Deal found 20/1$1,853
Mon 21/718:50ADL - SEA
2 stops31h 01mAir Canada
Mon 11/814:55SEA - ADL
2 stops34h 45mAir Canada
Deal found 20/1$1,901
Tue 4/312:50ADL - SEA
2 stops41h 20mQatar Airways
Tue 11/317:05SEA - ADL
1 stop30h 30mQatar Airways
Deal found 20/1$2,251
Wed 5/318:35ADL - PDX
2 stops36h 56mSingapore Airlines
Wed 12/308:00PDX - ADL
3 stops39h 50mSingapore Airlines
Deal found 19/1$2,398
Mon 21/717:40ADL - SEA
3 stops35h 41mVirgin Australia
Mon 11/819:32SEA - ADL
2 stops22h 53mVirgin Australia
Deal found 20/1$2,429
Fri 11/706:05ADL - SEA
3 stops31h 54mUnited Airlines
Fri 1/814:40SEA - ADL
2 stops27h 55mUnited Airlines
Deal found 20/1$2,536
Thu 24/706:30ADL - SEA
3 stops28h 36mAir New Zealand
Thu 14/816:30SEA - ADL
3 stops27h 15mAir New Zealand
Deal found 20/1$2,952

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 20 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 4/3

06:15-16:43

3 stops28h 58m

Seattle/Tacoma Intl

Tue 11/3

12:41-12:15

3 stops30h 04m

$1,593

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 10/7

17:35-08:45

1 stop31h 40m

Seattle/Tacoma Intl

Thu 7/8

10:15-07:25

1 stop28h 40m

$1,813

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Wed 5/3

19:45-21:10

2 stops43h 55m

Portland

Wed 12/3

09:38-10:55

2 stops55h 47m

$1,826

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 4/3

07:05-12:58

2 stops24h 23m

Seattle/Tacoma Intl

Tue 11/3

15:58-11:20

2 stops25h 52m

$1,853

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 4/3

12:50-11:40

2 stops41h 20m

Seattle/Tacoma Intl

Tue 11/3

17:05-17:05

1 stop30h 30m

$2,251

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Wed 5/3

18:35-13:01

2 stops36h 56m

Portland

Wed 12/3

08:00-17:20

3 stops39h 50m

$2,398

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 11/7

06:05-21:29

3 stops31h 54m

Seattle/Tacoma Intl

Fri 1/8

14:40-11:05

2 stops27h 55m

$2,536

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 11/4

21:20-21:15

2 stops40h 25m

Seattle/Tacoma Intl

Sat 26/4

19:33-11:05

2 stops23h 02m

$2,541

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 10/7

06:30-18:36

3 stops28h 36m

Seattle/Tacoma Intl

Thu 7/8

16:30-12:15

3 stops27h 15m

$2,971

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 2/3

21:50-08:53

2 stops53h 33m

$1,652

Flights are sorted by cheapest return flights first.

Deals found on 19/1

Showing 1-10 of 11 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 $1,490). 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 20 January 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 20 January 2025.
Singapore Airlines
8.1
Very Good
1,328 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

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
1,328 reviews
Singapore Airlines
8.1
Very Good
1,328 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

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
7.5
Good
3,754 reviews
Singapore Airlines
8.1
Very Good
1,328 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

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.

Qantas Airways
7.5
Good
824 reviews
Singapore Airlines
8.1
Very Good
1,328 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

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
435 reviews
Singapore Airlines
8.1
Very Good
1,328 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

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.

United Airlines
7.4
Good
8,982 reviews
Singapore Airlines
8.1
Very Good
1,328 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

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.

  • 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 $1,490). 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 San Francisco flights
Adelaide to Newark flights
Adelaide to LaGuardia flights
Adelaide to Honolulu flights
Adelaide to John F Kennedy Intl flights
Adelaide to Miami flights
Adelaide to Las Vegas flights
Adelaide to Atlanta flights
Adelaide to Seattle flights
Adelaide to Boston flights
Adelaide to San Jose flights
Adelaide to Portland flights
Adelaide to Tampa flights
Adelaide to Kahului flights
Adelaide to Philadelphia flights
Adelaide to George Bush Intcntl flights
Adelaide to Hobby flights
Adelaide to Salt Lake City flights
Adelaide to Fort Lauderdale flights
Adelaide to Richmond flights
Adelaide to Reno flights
Adelaide to Minneapolis flights

Top 3 airlines flying from Adelaide to Washington

Discover the top 3 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 20 January 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,012Average$1,701FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,052Average$2,107FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Singapore AirlinesCheapest$1,531Average$1,866FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines 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.