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Cheap flights from Washington, D.C. Reagan-National Airport to Cagliari from $510

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Cagliari departing on 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Cagliari (DCA-CAG)

Cheap round-trip flights

Logo
4:35 pm - 2:40 pmDCA-CAG
16h 05m2 stops
Logo
6:00 am - 9:51 pmCAG-DCA
21h 51m2 stops
$844
Find Deal
Tue, Sep 2 - Tue, Sep 9
Logo
4:35 pm - 2:40 pmDCA-CAG
16h 05m2 stops
Logo
7:30 am - 10:34 pmCAG-DCA
21h 04m3 stops
$863
Find Deal
Tue, Sep 2 - Tue, Sep 9
Logo
1:39 pm - 8:50 pmDCA-CAG
25h 11m2 stops
Logo
11:40 pm - 6:27 pmCAG-DCA
24h 47m2 stops
$1,091
Find Deal
Fri, Sep 26 - Wed, Oct 1
Iberia Logo
2:59 pm - 12:35 pmDCA-CAG
40h 36m2 stops
Iberia Logo
1:20 pm - 6:51 pmCAG-DCA
35h 31m2 stops
$1,371Iberia
Find Deal
Sat, Nov 1 - Sat, Nov 8
Iberia Logo
2:59 pm - 12:35 pmDCA-CAG
40h 36m2 stops
Iberia Logo
1:20 pm - 4:51 pmCAG-DCA
33h 31m2 stops
$1,411Iberia
Find Deal
Sat, Nov 1 - Sat, Nov 8
Iberia Logo
1:18 pm - 12:35 pmDCA-CAG
42h 17m2 stops
Iberia Logo
1:20 pm - 6:51 pmCAG-DCA
35h 31m2 stops
$1,528Iberia
Find Deal
Sat, Nov 1 - Sat, Nov 8

Iberia flights from Washington, D.C. Reagan-National Airport to Cagliari

Our best Iberia deals on Washington, D.C. Reagan-National Airport to Cagliari flight tickets
Iberia
Aug 6
DCA1:06 pmWashington, D.C. Reagan-National
25h 44m
2 stops
CAG8:50 pmCagliari Elmas
Sep 30
CAG9:30 pmCagliari Elmas
31h 37m
2 stops
DCA11:07 pmWashington, D.C. Reagan-National
$1,061
Find similar
Iberia
Aug 6
DCA1:06 pmWashington, D.C. Reagan-National
25h 44m
2 stops
CAG8:50 pmCagliari Elmas
Sep 30
CAG9:30 pmCagliari Elmas
31h 37m
2 stops
DCA11:07 pmWashington, D.C. Reagan-National
$1,301
Find similar
Iberia
Aug 6
DCA1:06 pmWashington, D.C. Reagan-National
25h 44m
2 stops
CAG8:50 pmCagliari Elmas
Sep 30
CAG9:30 pmCagliari Elmas
31h 37m
2 stops
DCA11:07 pmWashington, D.C. Reagan-National
$1,349
Find similar

Delta flights from Washington, D.C. Reagan-National Airport to Cagliari

Our best Delta deals on Washington, D.C. Reagan-National Airport to Cagliari flight tickets
Delta
Aug 10
DCA4:51 pmWashington, D.C. Reagan-National
19h 09m
2 stops
CAG6:00 pmCagliari Elmas
Aug 17
CAG12:30 pmCagliari Elmas
17h 23m
2 stops
DCA11:53 pmWashington, D.C. Reagan-National
$1,617
Find similar
Delta
Aug 6
DCA4:51 pmWashington, D.C. Reagan-National
19h 09m
2 stops
CAG6:00 pmCagliari Elmas
Aug 18
CAG5:05 pmCagliari Elmas
30h 15m
2 stops
DCA5:20 pmWashington, D.C. Reagan-National
$1,630
Find similar
Delta
Aug 6
DCA4:51 pmWashington, D.C. Reagan-National
17h 34m
2 stops
CAG4:25 pmCagliari Elmas
Aug 18
CAG5:05 pmCagliari Elmas
23h 09m
2 stops
DCA10:14 amWashington, D.C. Reagan-National
$1,896
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated August 4, 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

Fly to

Route

Depart

Return

Price

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 9/2

4:35 pm-2:40 pm

2 stops16h 05m

Cagliari Elmas

Tue 9/9

6:00 am-9:51 pm

2 stops21h 51m

$844

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 9/2

4:35 pm-2:40 pm

2 stops16h 05m

Cagliari Elmas

Tue 9/9

7:30 am-10:34 pm

3 stops21h 04m

$863

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Fri 9/26

1:39 pm-8:50 pm

2 stops25h 11m

Cagliari Elmas

Wed 10/1

11:40 pm-6:27 pm

2 stops24h 47m

$1,091

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 11/1

2:59 pm-12:35 pm

2 stops40h 36m

Cagliari Elmas

Sat 11/8

1:20 pm-6:51 pm

2 stops35h 31m

$1,371

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 11/1

2:59 pm-12:35 pm

2 stops40h 36m

Cagliari Elmas

Sat 11/8

1:20 pm-4:51 pm

2 stops33h 31m

$1,411

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Sat 11/1

1:18 pm-12:35 pm

2 stops42h 17m

Cagliari Elmas

Sat 11/8

1:20 pm-6:51 pm

2 stops35h 31m

$1,528

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 9/18

7:23 pm-7:30 am

3 stops30h 07m

$510

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Mon 9/29

1:39 pm-2:05 pm

2 stops18h 26m

$569

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Thu 9/18

7:23 pm-7:35 pm

2 stops18h 12m

$571

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 10/7

12:59 pm-12:55 pm

3 stops17h 56m

$943

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Cagliari from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Cagliari

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Cagliari?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Cagliari is on a Wednesday when prices can be found for as low as $930. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. Reagan-National Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,586.

What is the cheapest time of day to depart on your flight to Cagliari?

Our most recent data shows that the best time of day to fly to Cagliari is in the morning. Flights from Washington, D.C. Reagan-National Airport to Cagliari during this time can be as low as $780. Try not to purchase tickets in the evening because they tend to be around $1,648. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Washington, D.C. Reagan-National Airport to Cagliari

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Cagliari according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Cagliari (DCA to CAG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Cagliari

Best Price Found

$510

Fastest flight time

16h 05m

Direct flights

None

Airports in Cagliari

1 airport
The best one-way flight to Cagliari from Washington, D.C. Reagan-National Airport in the past 72 hours is $510. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Cagliari found on momondo in the last 72 hours is $844.
The fastest flight from Washington, D.C. Reagan-National Airport to Cagliari takes 16h 05m
There are no direct flights from Washington, D.C. Reagan-National Airport to Cagliari. Popular non-direct route for this connection is Washington, D.C. Reagan-National Airport - Cagliari Elmas Airport.
There is 1 airport near Cagliari: Cagliari Elmas (CAG)
Search flight deals

  • How far is Washington, D.C. Reagan-National to Cagliari Elmas by plane?

    Cagliari Elmas is 4424.5 mi away from Washington, D.C. Reagan-National. Flights usually cover this in 16h 05m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Cagliari Elmas Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Cagliari Elmas Airport refresh daily.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Cagliari Elmas Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Cagliari Elmas Airport.

  • What documentation or ID do you need to fly to Cagliari Elmas Airport?

    The necessary travel and health documents for your Cagliari Elmas Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Cagliari?

Book flights to Cagliari if you plan to visit one of these locations
Villasimius
Arbatax
Pula

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Cagliari?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Cagliari. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Cagliari with flexible booking policies on momondo?

Yes. All flights to Cagliari from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Cagliari?

Once all potential Washington, D.C. to Cagliari flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Cagliari right now. Can momondo alert me if prices change?

Price alerts on flights to Cagliari from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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