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Cheap flights from Washington, D.C. Reagan-National Airport to Sardinia from $398

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 Sardinia departing on 9/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Sardinia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 10:05 am
DCA
-
OLB
22h 05m
2 stops
Multiple Airlines Logo
12:00 pm - 8:55 am
OLB
-
DCA
26h 55m
2 stops
$817Multiple Airlines
Wed, Oct 14 - Wed, Oct 21
Multiple Airlines Logo
4:59 pm - 8:25 pm
DCA
-
OLB
21h 26m
2 stops
Multiple Airlines Logo
11:20 am - 11:10 pm
OLB
-
DCA
17h 50m
2 stops
$887Multiple Airlines
Sun, Aug 16 - Thu, Sep 10
Multiple Airlines Logo
4:20 pm - 4:35 pm
DCA
-
OLB
18h 15m
2 stops
Multiple Airlines Logo
12:35 pm - 9:30 pm
OLB
-
DCA
38h 55m
2 stops
$890Multiple Airlines
Mon, Aug 17 - Tue, Sep 8
Multiple Airlines Logo
4:20 pm - 4:35 pm
DCA
-
OLB
18h 15m
2 stops
Multiple Airlines Logo
12:35 pm - 9:30 pm
OLB
-
DCA
38h 55m
2 stops
$896Multiple Airlines
Mon, Aug 17 - Tue, Sep 8
Delta Logo
5:29 pm - 6:15 pm
DCA
-
OLB
18h 46m
2 stops
Delta Logo
10:15 am - 11:43 pm
OLB
-
DCA
19h 28m
2 stops
$898Delta
Wed, Aug 12 - Wed, Aug 19
British Airways Logo
6:23 pm - 6:40 pm
DCA
-
OLB
18h 17m
2 stops
British Airways Logo
9:15 pm - 11:33 pm
OLB
-
DCA
32h 18m
2 stops
$913British Airways
Mon, Aug 17 - Mon, Sep 7
Delta Logo
6:02 am - 9:00 am
DCA
-
OLB
20h 58m
1 stop
Delta Logo
11:20 am - 10:59 pm
OLB
-
DCA
17h 39m
1 stop
$927Delta
Mon, Aug 17 - Thu, Sep 10
KLM Logo
3:15 pm - 8:55 pm
DCA
-
AHO
23h 40m
2 stops
KLM Logo
7:00 am - 5:48 pm
AHO
-
DCA
16h 48m
2 stops
$980KLM
Mon, Aug 17 - Tue, Sep 8
KLM Logo
3:15 pm - 8:55 pm
DCA
-
AHO
23h 40m
2 stops
KLM Logo
7:00 am - 5:48 pm
AHO
-
DCA
16h 48m
2 stops
$1,014KLM
Sun, Aug 16 - Tue, Sep 8
British Airways Logo
6:23 pm - 7:25 pm
DCA
-
CAG
19h 02m
2 stops
British Airways Logo
11:45 am - 8:00 am
CAG
-
DCA
26h 15m
2 stops
$1,043British Airways
Tue, Sep 15 - Sat, Sep 26

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British Airways flights from Washington, D.C. Reagan-National Airport to Sardinia

Our best British Airways deals on Washington, D.C. Reagan-National Airport to Sardinia flight tickets
British Airways
Aug 17
DCA6:23 pmWashington, D.C. Reagan-National
18h 17m
2 stops
OLB6:40 pmOlbia Costa Smeralda
Sep 7
OLB9:15 pmOlbia Costa Smeralda
32h 18m
2 stops
DCA11:33 pmWashington, D.C. Reagan-National
$913
British Airways
Aug 17
DCA7:14 pmWashington, D.C. Reagan-National
17h 26m
2 stops
OLB6:40 pmOlbia Costa Smeralda
Sep 8
OLB7:40 pmOlbia Costa Smeralda
31h 50m
2 stops
DCA9:30 pmWashington, D.C. Reagan-National
$961
British Airways
Aug 9
DCA6:23 pmWashington, D.C. Reagan-National
20h 02m
2 stops
OLB8:25 pmOlbia Costa Smeralda
Aug 24
OLB9:15 pmOlbia Costa Smeralda
24h 43m
2 stops
DCA3:58 pmWashington, D.C. Reagan-National
$963

KLM flights from Washington, D.C. Reagan-National Airport to Sardinia

Our best KLM deals on Washington, D.C. Reagan-National Airport to Sardinia flight tickets
KLM
Sep 27
DCA11:10 amWashington, D.C. Reagan-National
15h 50m
1 stop
OLB9:00 amOlbia Costa Smeralda
Oct 6
OLB11:20 amOlbia Costa Smeralda
17h 35m
1 stop
DCA10:55 pmWashington, D.C. Reagan-National
$974
KLM
Aug 17
DCA3:15 pmWashington, D.C. Reagan-National
23h 40m
2 stops
AHO8:55 pmAlghero-Fertilia
Sep 8
AHO7:00 amAlghero-Fertilia
16h 48m
2 stops
DCA5:48 pmWashington, D.C. Reagan-National
$980
KLM
Aug 16
DCA3:15 pmWashington, D.C. Reagan-National
23h 40m
2 stops
AHO8:55 pmAlghero-Fertilia
Sep 8
AHO7:00 amAlghero-Fertilia
16h 48m
2 stops
DCA5:48 pmWashington, D.C. Reagan-National
$1,014

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated July 20, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Olbia

DCA - OLB

DCAOLB

Washington, D.C. Reagan-National

Wed 10/14

6:00 am-10:05 am

2 stops22h 05m

Olbia Costa Smeralda

Wed 10/21

12:00 pm-8:55 am

2 stops26h 55m

$817

Washington, D.C.Olbia

DCA - OLB

DCAOLB

Washington, D.C. Reagan-National

Sun 8/16

4:59 pm-8:25 pm

2 stops21h 26m

Olbia Costa Smeralda

Thu 9/10

11:20 am-11:10 pm

2 stops17h 50m

$887

Washington, D.C.Olbia

DCA - OLB

DCAOLB

Washington, D.C. Reagan-National

Mon 8/17

4:20 pm-4:35 pm

2 stops18h 15m

Olbia Costa Smeralda

Tue 9/8

12:35 pm-9:30 pm

2 stops38h 55m

$890

Washington, D.C.Olbia

DCA - OLB

DCAOLB

Washington, D.C. Reagan-National

Mon 8/17

4:20 pm-4:35 pm

2 stops18h 15m

Olbia Costa Smeralda

Tue 9/8

12:35 pm-9:30 pm

2 stops38h 55m

$896
Quickest round-trip

Washington, D.C.Olbia

DCA - OLB

DCAOLB

Washington, D.C. Reagan-National

Wed 8/12

5:29 pm-6:15 pm

2 stops18h 46m

Olbia Costa Smeralda

Wed 8/19

10:15 am-11:43 pm

2 stops19h 28m

$898

Washington, D.C.Olbia

DCA - OLB

DCAOLB

Washington, D.C. Reagan-National

Mon 8/17

6:23 pm-6:40 pm

2 stops18h 17m

Olbia Costa Smeralda

Mon 9/7

9:15 pm-11:33 pm

2 stops32h 18m

$913

Washington, D.C.Olbia

DCA - OLB

DCAOLB

Washington, D.C. Reagan-National

Mon 8/17

6:02 am-9:00 am

1 stop20h 58m

Olbia Costa Smeralda

Thu 9/10

11:20 am-10:59 pm

1 stop17h 39m

$927

Washington, D.C.Alghero

DCA - AHO

DCAAHO

Washington, D.C. Reagan-National

Mon 8/17

3:15 pm-8:55 pm

2 stops23h 40m

Alghero-Fertilia

Tue 9/8

7:00 am-5:48 pm

2 stops16h 48m

$980

Washington, D.C.Alghero

DCA - AHO

DCAAHO

Washington, D.C. Reagan-National

Sun 8/16

3:15 pm-8:55 pm

2 stops23h 40m

Alghero-Fertilia

Tue 9/8

7:00 am-5:48 pm

2 stops16h 48m

$1,014

Washington, D.C.Cagliari

DCA - CAG

DCACAG

Washington, D.C. Reagan-National

Tue 9/15

6:23 pm-7:25 pm

2 stops19h 02m

Cagliari Elmas

Sat 9/26

11:45 am-8:00 am

2 stops26h 15m

$1,043

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sardinia from

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

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 airline that flies from Washington, D.C. Reagan-National to Sardinia?

KLM, Delta, and British Airways are the most popular carriers operating from Washington, D.C. Reagan-National to Sardinia

Cheap Washington, D.C. Reagan-National Airport to Sardinia flight deals and tips

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

Fastest flight time

15h 55m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Sardinia takes 15h 55m
There are no direct flights from Washington, D.C. Reagan-National Airport to Sardinia. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Sardinia.
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Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Sardinia

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Sardinia are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Reagan-National Airport to Sardinia.

  • What documentation or ID do you need to fly to Sardinia?

    The travel and health documents required for your trip to Sardinia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sardinia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

Finding the right flight to Sardinia from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sardinia quick and easy, saving you time and money.

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

All flight searches from Washington, D.C. to Sardinia on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Washington, D.C. to Sardinia 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 Sardinia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sardinia from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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