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$325+ Cheap flights from Washington, D.C. (WAS) to Sardinia

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CAG
Mar 31 — Apr 71
Tue 3/31
Tue 4/7
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Sardinia

Cheapest flights from Washington, D.C. to Sardinia
Explore the most affordable flight options available from Washington, D.C. to Sardinia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 1, 2026.

This KLM deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:10 pm
IAD
-
OLB
1 stop32h 10m
KLM
Wed 4/229:15 am
OLB
-
IAD
1 stop12h 20m
KLM
Deal found 3/1$555
This KLM deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:59 pm
IAD
-
OLB
1 stop31h 01m
Multiple Airlines
Fri 8/213:30 pm
OLB
-
IAD
1 stop30h 05m
Multiple Airlines
Deal found 2/25$603
This KLM deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:40 pm
IAD
-
OLB
1 stop18h 50m
KLM
Tue 8/259:55 pm
OLB
-
IAD
1 stop23h 40m
KLM
Deal found 2/27$607
This Cheapflightsfares deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:40 pm
IAD
-
OLB
1 stop19h 15m
British Airways
Sat 8/222:05 pm
OLB
-
IAD
1 stop12h 15m
British Airways
Deal found 2/25$654
This oojo deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:25 pm
BWI
-
OLB
1 stop17h 55m
British Airways
Fri 8/219:25 pm
OLB
-
BWI
1 stop25h 50m
British Airways
Deal found 2/25$655
This oojo deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:15 pm
DCA
-
OLB
2 stops40h 10m
British Airways
Fri 8/219:25 pm
OLB
-
DCA
2 stops30h 51m
British Airways
Deal found 2/25$661
This Mytrip deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:55 am
IAD
-
CAG
2 stops29h 45m
Multiple Airlines
Wed 3/186:15 am
CAG
-
IAD
2 stops19h 39m
Multiple Airlines
Deal found 2/25$718
This KLM deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:40 pm
IAD
-
OLB
1 stop18h 50m
Multiple Airlines
Tue 8/2511:20 am
OLB
-
IAD
2 stops17h 39m
Multiple Airlines
Deal found 2/27$720
This Booking.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:25 pm
IAD
-
OLB
1 stop14h 55m
British Airways
Fri 8/219:25 pm
OLB
-
IAD
2 stops24h 05m
British Airways
Deal found 2/25$749
This British Airways deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:40 pm
IAD
-
OLB
1 stop19h 15m
British Airways
Tue 8/257:40 pm
OLB
-
IAD
2 stops26h 50m
British Airways
Deal found 2/28$760
This KLM deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:40 pm
IAD
-
CAG
1 stop16h 45m
KLM
Tue 4/215:05 pm
CAG
-
IAD
1 stop28h 30m
KLM
Deal found 2/28$767
This oojo deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:15 pm
DCA
-
OLB
2 stops30h 15m
British Airways
Sat 8/227:45 pm
OLB
-
DCA
2 stops33h 32m
British Airways
Deal found 2/25$771

Find flight deals from Washington, D.C. to Sardinia

Keep the following information in mind while searching for Washington, D.C. to Sardinia flight deals. Data was last updated March 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$603
(KLM)

One-way from

$325
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Cagliari Elmas flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Cagliari Elmas flights.
Search Deals
From Washington, D.C. (WAS) to Sardinia
Search Deals
One-way flight from Washington, D.C. (WAS) to Sardinia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Sardinia 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 2,558,603 searches. Data last updated March 1, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Sardinia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Olbia

IAD - OLB

IADOLB

Washington, D.C. Dulles Intl

Sat 8/8

7:59 pm-9:00 am

1 stop31h 01m

Olbia Costa Smeralda

Fri 8/21

3:30 pm-3:35 pm

1 stop30h 05m

$603

Washington, D.C.Olbia

IAD - OLB

IADOLB

Washington, D.C. Dulles Intl

Fri 8/14

5:40 pm-6:30 pm

1 stop18h 50m

Olbia Costa Smeralda

Tue 8/25

11:20 am-10:59 pm

2 stops17h 39m

$720

BaltimoreOlbia

BWI - OLB

BWIOLB

Baltimore/Washington

Sat 8/8

7:45 pm-8:25 pm

2 stops42h 40m

Olbia Costa Smeralda

Fri 8/21

9:25 pm-5:15 pm

1 stop25h 50m

$754

Washington, D.C.Olbia

IAD - OLB

IADOLB

Washington, D.C. Dulles Intl

Fri 8/14

5:40 pm-6:55 pm

1 stop19h 15m

Olbia Costa Smeralda

Tue 8/25

7:40 pm-4:30 pm

2 stops26h 50m

$760

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Sun 4/12

5:40 pm-4:25 pm

1 stop16h 45m

Cagliari Elmas

Sun 4/19

5:05 pm-4:15 pm

2 stops29h 10m

$807

Washington, D.C.Olbia

IAD - OLB

IADOLB

Washington, D.C. Dulles Intl

Wed 4/15

10:55 pm-8:20 am

2 stops27h 25m

Olbia Costa Smeralda

Wed 4/22

9:15 am-3:35 pm

1 stop12h 20m

$813

BaltimoreOlbia

BWI - OLB

BWIOLB

Baltimore/Washington

Fri 8/14

9:30 pm-6:55 pm

1 stop15h 25m

Olbia Costa Smeralda

Sat 8/22

7:45 pm-7:45 pm

1 stop30h 00m

$838

Washington, D.C.Alghero

IAD - AHO

IADAHO

Washington, D.C. Dulles Intl

Wed 8/19

1:20 pm-3:00 pm

2 stops19h 40m

Alghero-Fertilia

Mon 9/7

12:00 pm-11:35 am

2 stops29h 35m

$898

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 8/14

5:40 pm-4:25 pm

1 stop16h 45m

Cagliari Elmas

Sat 8/22

12:30 pm-7:35 pm

1 stop13h 05m

$900

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 8/14

5:40 pm-4:25 pm

1 stop16h 45m

Cagliari Elmas

Sat 8/22

12:30 pm-7:35 pm

1 stop13h 05m

$920

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/25

Showing 1-10 of 51 resultsSorted by cheapest first
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6

Best time to book a flight from Washington, D.C. to Sardinia

Have a flexible travel schedule? Discover the best time to fly to Sardinia from Washington, D.C. with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Sardinia
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Sardinia

Get insights into the airlines that provide service to Sardinia. 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 Sardinia. Reviews last updated March 1, 2026.
Peruse reviews from past customers who have flown with Lufthansa and British Airways from Washington, D.C. to Sardinia to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,818 reviews

Entertainment

6.5

Boarding

7.0

Food

6.3

Overall

6.8

Comfort

6.8

Crew

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.
Lufthansa
6.8
Okay
7,818 reviews
Lufthansa
6.8
Okay
7,818 reviews

Entertainment

6.5

Boarding

7.0

Food

6.3

Overall

6.8

Comfort

6.8

Crew

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.
British Airways
6.7
Okay
7,772 reviews
Lufthansa
6.8
Okay
7,818 reviews

Entertainment

6.5

Boarding

7.0

Food

6.3

Overall

6.8

Comfort

6.8

Crew

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.

Related info for your journey

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

  • How long is the flight from Washington, D.C. to Sardinia?

    Airlines like KLM, British Airways, and Delta fly from Washington, D.C. to Sardinia in about 16h 45m. The time it takes to get you to your destination can typically vary by up to 2h 30m. Airlines will cover a distance of 4436 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Washington, D.C. to Sardinia?

    Most travelers choose Washington, D.C. Dulles Intl - Olbia Costa Smeralda, Baltimore/Washington - Olbia Costa Smeralda or Washington, D.C. Reagan-National - Olbia Costa Smeralda when deciding on the best route from Washington, D.C. to Sardinia.

  • Can I find deals for flights from Washington, D.C. to Sardinia that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Sardinia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Sardinia?

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

  • Can I find deals for business class flights from Washington, D.C. to Sardinia?

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

See more FAQs

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Top airline flying from Washington, D.C. to Sardinia

Discover the top airline that operate flights from Washington, D.C. to Sardinia. 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 2,558,603 searches. Data last updated March 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$726Average$919FlexibilityNo cancel feeOn-time76%

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