HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cagliari

$951+ Cheap flights from Reagan-National (DCA) to Cagliari (CAG)

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — CAG
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to Cagliari with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 17, 2025.

Round-trip from

$951
(Trip.com)
From Washington, D.C. Reagan-National to Cagliari Elmas
Search Deals

Find flight deals from Reagan-National to Cagliari

Cheapest flights from Reagan-National to Cagliari
Explore the most affordable flight options available from Reagan-National to Cagliari. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Trip.com deal was found by Cheapflights users on 9/14. 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.
Wed 10/11:39 pmDCA - CAG
2 stops25h 11mMultiple Airlines
Wed 10/1511:40 pmCAG - DCA
2 stops29h 17mMultiple Airlines
Deal found 9/14$951
This Iberia deal was found by Cheapflights users on 9/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:30 pmDCA - CAG
2 stops38h 05mIberia
Sat 11/81:20 pmCAG - DCA
2 stops35h 36mIberia
Deal found 9/16$1,695
This Ovago deal was found by Cheapflights users on 9/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/232:55 pmDCA - CAG
2 stops37h 55mMultiple Airlines
Fri 10/311:20 pmCAG - DCA
2 stops35h 40mMultiple Airlines
Deal found 9/16$5,113

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 September 17, 2025.
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

Wed 10/1

1:39 pm-8:50 pm

2 stops25h 11m

Cagliari Elmas

Wed 10/15

11:40 pm-10:57 pm

2 stops29h 17m

$951

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 11/1

5:30 pm-12:35 pm

2 stops38h 05m

Cagliari Elmas

Sat 11/8

1:20 pm-6:56 pm

2 stops35h 36m

$1,695

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 10/23

2:55 pm-10:50 am

2 stops37h 55m

Cagliari Elmas

Fri 10/31

1:20 pm-8:00 pm

2 stops35h 40m

$5,113

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 2/19

5:15 pm-12:35 pm

2 stops37h 20m

$990

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Cagliari?

    Airlines like Iberia fly from Washington, D.C. Reagan-National Airport to Cagliari in about 38h 05m. The time it takes to get you to your destination can typically vary by up to . The distance between Washington, D.C. Reagan-National Airport and Cagliari is about 4420 mi.

  • 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?

Book flights to Cagliari if you plan to visit one of these locations
Oristano

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.

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.