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$513+ Cheap flights from Reagan-National (DCA) to Cagliari (CAG)

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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — CAG
feb. 5 — feb. 121
jue. 2/5
jue. 2/12
1 adult, Economy
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Cheap flight deals from Reagan-National to Cagliari

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Cagliari (CAG). 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 enero 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$571
(Mytrip)

One-way from

$513
(KLM)
Provider with most accurate pricing for Washington, D.C. Reagan-National-Cagliari Elmas flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Cagliari Elmas flights.
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From Washington, D.C. Reagan-National to Cagliari Elmas
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One-way flight from Washington, D.C. Reagan-National to Cagliari Elmas
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Find flight deals from Reagan-National to Cagliari

One-way flights from Reagan-National to Cagliari
Search for one-way flight options from Reagan-National to Cagliari. Find affordable one-way fares based on user searches. Data last updated enero 6, 2026.

This KLM deal was found by Cheapflights users on 1/5. 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.
dom. 4/197:35 pmDCA - CAG
2 stops14h 50mKLM
Deal found 1/5$513
This Trip.com deal was found by Cheapflights users on 1/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/103:00 pmDCA - CAG
3 stops19h 10mMultiple Airlines
Deal found 1/5$715
This AranGrant deal was found by Cheapflights users on 1/6. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/165:24 pmDCA - CAG
2 stops19h 56mBritish Airways
Deal found 1/6$1,977

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Cagliari 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 enero 6, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Cagliari that are best for you.

Fly from

Reagan-National

Fly to

Cagliari

Route

Depart

Return

Price

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

dom. 4/19

7:35 pm-4:25 pm

2 stops14h 50m

$513

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

mar. 6/16

3:52 pm-7:20 pm

2 stops21h 28m

$1,977

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Cagliari flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Cagliari flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Cagliari flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Cagliari flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Cagliari flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Cagliari

Have a flexible travel schedule? Discover the best time to fly to Cagliari 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.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Cagliari. 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 into for flights to Cagliari from Washington, D.C. Reagan-National?

    Cagliari Elmas (CAG), located 4.0 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Reagan-National to Cagliari. 0 airlines have flights to Elmas from Washington, D.C. Reagan-National on a regular basis. Booking flights from Washington, D.C. Reagan-National to Cagliari Elmas should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Cagliari 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

Traveling to a place near Cagliari?

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Oristano

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