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Sardinia

$724+ Cheap flights from Reagan-National (DCA) to Sardinia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — CAG
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Reagan-National to Sardinia

Cheapest flights from Reagan-National to Sardinia
Explore the most affordable flight options available from Reagan-National to Sardinia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This KLM deal was found by Cheapflights users on 2/2. 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 3/1011:00 am
DCA
-
AHO
2 stops22h 30m
KLM
Tue 3/1711:15 am
AHO
-
DCA
2 stops36h 18m
KLM
Deal found 2/2$724
This oojo deal was found by Cheapflights users on 2/2. 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 stops39h 05m
British Airways
Sat 8/227:45 pm
OLB
-
DCA
2 stops33h 32m
British Airways
Deal found 2/2$790
This Mytrip deal was found by Cheapflights users on 1/31. 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 3/186:50 pm
DCA
-
AHO
3 stops23h 20m
Multiple Airlines
Wed 3/257:00 am
AHO
-
DCA
3 stops19h 56m
Multiple Airlines
Deal found 1/31$811
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 am
DCA
-
CAG
2 stops29h 45m
Multiple Airlines
Sat 8/229:10 am
CAG
-
DCA
2 stops18h 38m
Multiple Airlines
Deal found 2/2$1,011
This KLM deal was found by Cheapflights users on 2/1. 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.
Sun 8/306:05 am
DCA
-
OLB
1 stop20h 55m
KLM
Thu 9/1011:20 am
OLB
-
DCA
1 stop17h 52m
KLM
Deal found 2/1$1,025
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:35 pm
DCA
-
OLB
2 stops19h 05m
British Airways
Wed 9/99:25 pm
OLB
-
DCA
2 stops31h 37m
British Airways
Deal found 2/1$1,027
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:00 am
DCA
-
OLB
2 stops21h 00m
Delta
Tue 9/811:20 am
OLB
-
DCA
2 stops17h 01m
Delta
Deal found 2/1$1,029
This KLM deal was found by Cheapflights users on 2/2. 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.
Mon 8/3111:00 am
DCA
-
OLB
1 stop16h 00m
KLM
Wed 9/99:15 am
OLB
-
DCA
2 stops17h 04m
KLM
Deal found 2/2$1,030
This Gotogate deal was found by Cheapflights users on 2/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:59 am
DCA
-
OLB
2 stops28h 36m
Multiple Airlines
Tue 5/129:50 am
OLB
-
DCA
2 stops18h 38m
Multiple Airlines
Deal found 2/1$1,036
This KLM deal was found by Cheapflights users on 2/1. 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.
Mon 8/315:00 pm
DCA
-
OLB
2 stops15h 45m
Multiple Airlines
Tue 9/811:20 am
OLB
-
DCA
2 stops17h 31m
Multiple Airlines
Deal found 2/1$1,039
This KLM deal was found by Cheapflights users on 2/1. 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.
Mon 8/315:00 pm
DCA
-
OLB
2 stops15h 45m
KLM
Thu 9/109:20 am
OLB
-
DCA
2 stops16h 59m
KLM
Deal found 2/1$1,040
This oojo deal was found by Cheapflights users on 2/2. 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 8/89:00 pm
DCA
-
OLB
2 stops41h 25m
British Airways
Sun 8/1611:20 am
OLB
-
DCA
2 stops17h 57m
British Airways
Deal found 2/2$1,115

Find flight deals from Reagan-National to Sardinia

Keep the following information in mind while searching for Reagan-National to Sardinia flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$724
(KLM)
Provider with most accurate pricing for Washington, D.C. (WAS)-Olbia Costa Smeralda flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Olbia Costa Smeralda flights.
Search Deals
From Washington, D.C. Reagan-National to Sardinia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 February 3, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Sardinia that are best for you.

Fly from

Reagan-National

Fly to

Sardinia

Route

Depart

Return

Price

Washington, D.C.Alghero

DCA - AHO

DCAAHO

Washington, D.C. Reagan-National

Tue 3/10

11:00 am-2:30 pm

2 stops22h 30m

Alghero-Fertilia

Tue 3/17

11:15 am-6:33 pm

2 stops36h 18m

$724

Washington, D.C.Alghero

DCA - AHO

DCAAHO

Washington, D.C. Reagan-National

Wed 3/18

5:09 pm-2:30 pm

2 stops16h 21m

Alghero-Fertilia

Wed 3/25

7:10 am-11:44 pm

2 stops21h 34m

$724

Washington, D.C.Alghero

DCA - AHO

DCAAHO

Washington, D.C. Reagan-National

Wed 3/18

6:50 pm-11:10 pm

3 stops23h 20m

Alghero-Fertilia

Wed 3/25

7:00 am-9:56 pm

3 stops19h 56m

$811

Washington, D.C.Olbia

DCA - OLB

DCAOLB

Washington, D.C. Reagan-National

Tue 4/28

6:59 am-5:35 pm

2 stops28h 36m

Olbia Costa Smeralda

Tue 5/12

9:50 am-10:28 pm

2 stops18h 38m

$1,036

Washington, D.C.Olbia

DCA - OLB

DCAOLB

Washington, D.C. Reagan-National

Thu 3/19

8:40 pm-5:30 pm

2 stops39h 50m

Olbia Costa Smeralda

Wed 4/1

12:00 pm-9:53 pm

2 stops15h 53m

$1,038

Washington, D.C.Olbia

DCA - OLB

DCAOLB

Washington, D.C. Reagan-National

Mon 6/8

9:40 am-6:20 pm

3 stops26h 40m

Olbia Costa Smeralda

Mon 6/15

9:35 am-10:28 pm

2 stops18h 53m

$1,126

Washington, D.C.Olbia

DCA - OLB

DCAOLB

Washington, D.C. Reagan-National

Fri 5/15

1:25 pm-6:55 pm

2 stops23h 30m

Olbia Costa Smeralda

Sun 5/24

8:05 pm-11:10 pm

2 stops33h 05m

$1,149

Washington, D.C.Olbia

DCA - OLB

DCAOLB

Washington, D.C. Reagan-National

Mon 6/8

6:00 am-6:20 pm

3 stops30h 20m

Olbia Costa Smeralda

Mon 6/22

9:35 am-10:31 pm

2 stops18h 56m

$1,226

Washington, D.C.Olbia

DCA - OLB

DCAOLB

Washington, D.C. Reagan-National

Thu 3/19

6:00 am-10:40 pm

3 stops35h 40m

Olbia Costa Smeralda

Thu 3/26

6:45 am-7:45 pm

2 stops18h 00m

$1,332

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sun 6/21

11:00 am-8:25 pm

2 stops27h 25m

Cagliari Elmas

Tue 6/30

8:55 am-10:18 am

2 stops31h 23m

$1,535

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 24 results
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Best time to book a flight from Reagan-National to Sardinia

Have a flexible travel schedule? Discover the best time to fly to Sardinia from Reagan-National 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. Reagan-National Airport to Sardinia
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National Airport to Sardinia?

    Airlines like KLM, British Airways, and Air Canada fly from Washington, D.C. Reagan-National Airport to Sardinia in about 22h 30m. The time it takes to get you to your destination can typically vary by up to 17h 05m. There are 4338 mi between Washington, D.C. Reagan-National Airport and Sardinia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The most popular route from Washington, D.C. Reagan-National Airport to Sardinia is Washington, D.C. Reagan-National - Olbia Costa Smeralda. You may also consider Washington, D.C. Reagan-National - Cagliari Elmas or Washington, D.C. Reagan-National - Alghero-Fertilia.

  • Can I find deals for flights from Reagan-National to Sardinia that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Sardinia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Sardinia?

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

  • Can I find deals for business class flights from Reagan-National to Sardinia?

    Yes. Cheapflights offers flight deals from Reagan-National 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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Alternative routes for Reagan-National to Sardinia

See prices for flight routes from nearby airports that may be better suited for you.
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