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Cheap flights from Washington, D.C. Dulles Intl Airport to Olbia from $375

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. Dulles Intl Airport to Olbia departing on 8/11. 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. Dulles Intl Airport to Olbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
10:20 pm - 8:25 pm
IAD
-
OLB
16h 05m
1 stop
Lufthansa Logo
9:50 am - 4:05 pm
OLB
-
IAD
12h 15m
1 stop
$792Lufthansa
Fri, Aug 14 - Tue, Aug 25
Lufthansa Logo
10:20 pm - 4:35 pm
IAD
-
OLB
12h 15m
1 stop
Lufthansa Logo
9:50 am - 4:05 pm
OLB
-
IAD
12h 15m
1 stop
$793Lufthansa
Fri, Aug 14 - Tue, Aug 25
Lufthansa Logo
10:20 pm - 4:35 pm
IAD
-
OLB
12h 15m
1 stop
Lufthansa Logo
12:00 pm - 7:25 pm
OLB
-
IAD
13h 25m
1 stop
$794Lufthansa
Fri, Aug 14 - Tue, Aug 25
Multiple Airlines Logo
9:45 pm - 6:15 pm
IAD
-
OLB
14h 30m
1 stop
Multiple Airlines Logo
8:30 am - 6:33 pm
OLB
-
IAD
16h 03m
2 stops
$812Multiple Airlines
Fri, Aug 14 - Thu, Aug 20
Delta Logo
6:15 pm - 6:15 pm
IAD
-
OLB
18h 00m
1 stop
Delta Logo
10:15 am - 11:26 pm
OLB
-
IAD
19h 11m
2 stops
$819Delta
Fri, Aug 14 - Tue, Aug 25
Delta Logo
6:15 pm - 6:15 pm
IAD
-
OLB
18h 00m
1 stop
Delta Logo
10:15 am - 11:26 pm
OLB
-
IAD
19h 11m
2 stops
$820Delta
Fri, Aug 14 - Tue, Aug 25
Multiple Airlines Logo
8:20 pm - 8:25 pm
IAD
-
OLB
18h 05m
1 stop
Multiple Airlines Logo
3:00 pm - 2:00 pm
OLB
-
IAD
29h 00m
1 stop
$851Multiple Airlines
Tue, Aug 18 - Tue, Sep 8
Multiple Airlines Logo
9:45 pm - 6:15 pm
IAD
-
OLB
14h 30m
1 stop
Multiple Airlines Logo
10:00 pm - 3:35 pm
OLB
-
IAD
23h 35m
1 stop
$852Multiple Airlines
Fri, Aug 14 - Sat, Aug 22
Multiple Airlines Logo
10:20 pm - 8:25 pm
IAD
-
OLB
16h 05m
1 stop
Multiple Airlines Logo
9:15 pm - 4:45 pm
OLB
-
IAD
25h 30m
1 stop
$854Multiple Airlines
Fri, Aug 14 - Sat, Aug 22
Austrian Airlines Logo
5:25 pm - 2:15 pm
IAD
-
OLB
14h 50m
1 stop
Austrian Airlines Logo
3:00 pm - 2:00 pm
OLB
-
IAD
29h 00m
1 stop
$857Austrian Airlines
Mon, Aug 17 - Tue, Sep 8

Lufthansa flights from Washington, D.C. Dulles Intl Airport to Olbia

Our best Lufthansa deals on Washington, D.C. Dulles Intl Airport to Olbia flight tickets
Lufthansa
Aug 14
IAD10:20 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
OLB4:35 pmOlbia Costa Smeralda
Aug 25
OLB9:50 amOlbia Costa Smeralda
12h 15m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$792
Lufthansa
Aug 14
IAD10:20 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
OLB4:35 pmOlbia Costa Smeralda
Aug 25
OLB9:50 amOlbia Costa Smeralda
12h 15m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$793
Lufthansa
Aug 14
IAD10:20 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
OLB4:35 pmOlbia Costa Smeralda
Aug 25
OLB12:00 pmOlbia Costa Smeralda
13h 25m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
$794

SWISS flights from Washington, D.C. Dulles Intl Airport to Olbia

Our best SWISS deals on Washington, D.C. Dulles Intl Airport to Olbia flight tickets
SWISS
Aug 14
IAD8:20 pmWashington, D.C. Dulles Intl
18h 05m
1 stop
OLB8:25 pmOlbia Costa Smeralda
Aug 23
OLB8:20 amOlbia Costa Smeralda
14h 25m
1 stop
IAD4:45 pmWashington, D.C. Dulles Intl
$812
SWISS
Aug 14
IAD8:20 pmWashington, D.C. Dulles Intl
14h 40m
2 stops
OLB5:00 pmOlbia Costa Smeralda
Aug 23
OLB8:20 amOlbia Costa Smeralda
14h 25m
1 stop
IAD4:45 pmWashington, D.C. Dulles Intl
$844
SWISS
Aug 14
IAD8:20 pmWashington, D.C. Dulles Intl
18h 05m
1 stop
OLB8:25 pmOlbia Costa Smeralda
Aug 22
OLB5:45 pmOlbia Costa Smeralda
29h 00m
2 stops
IAD4:45 pmWashington, D.C. Dulles Intl
$861

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Olbia 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 May 16, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Olbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Olbia

IAD - OLB

IADOLB

Washington, D.C. Dulles Intl

Fri 8/14

10:20 pm-8:25 pm

1 stop16h 05m

Olbia Costa Smeralda

Tue 8/25

9:50 am-4:05 pm

1 stop12h 15m

$792
Quickest round-trip

Washington, D.C.Olbia

IAD - OLB

IADOLB

Washington, D.C. Dulles Intl

Fri 8/14

10:20 pm-4:35 pm

1 stop12h 15m

Olbia Costa Smeralda

Tue 8/25

9:50 am-4:05 pm

1 stop12h 15m

$793

Washington, D.C.Olbia

IAD - OLB

IADOLB

Washington, D.C. Dulles Intl

Fri 8/14

10:20 pm-4:35 pm

1 stop12h 15m

Olbia Costa Smeralda

Tue 8/25

12:00 pm-7:25 pm

1 stop13h 25m

$794

Washington, D.C.Olbia

IAD - OLB

IADOLB

Washington, D.C. Dulles Intl

Fri 8/14

9:45 pm-6:15 pm

1 stop14h 30m

Olbia Costa Smeralda

Thu 8/20

8:30 am-6:33 pm

2 stops16h 03m

$812

Washington, D.C.Olbia

IAD - OLB

IADOLB

Washington, D.C. Dulles Intl

Fri 8/14

6:15 pm-6:15 pm

1 stop18h 00m

Olbia Costa Smeralda

Tue 8/25

10:15 am-11:26 pm

2 stops19h 11m

$819

Washington, D.C.Olbia

IAD - OLB

IADOLB

Washington, D.C. Dulles Intl

Fri 8/14

6:15 pm-6:15 pm

1 stop18h 00m

Olbia Costa Smeralda

Tue 8/25

10:15 am-11:26 pm

2 stops19h 11m

$820

Washington, D.C.Olbia

IAD - OLB

IADOLB

Washington, D.C. Dulles Intl

Tue 8/18

8:20 pm-8:25 pm

1 stop18h 05m

Olbia Costa Smeralda

Tue 9/8

3:00 pm-2:00 pm

1 stop29h 00m

$851

Washington, D.C.Olbia

IAD - OLB

IADOLB

Washington, D.C. Dulles Intl

Fri 8/14

9:45 pm-6:15 pm

1 stop14h 30m

Olbia Costa Smeralda

Sat 8/22

10:00 pm-3:35 pm

1 stop23h 35m

$852

Washington, D.C.Olbia

IAD - OLB

IADOLB

Washington, D.C. Dulles Intl

Fri 8/14

10:20 pm-8:25 pm

1 stop16h 05m

Olbia Costa Smeralda

Sat 8/22

9:15 pm-4:45 pm

1 stop25h 30m

$854

Washington, D.C.Olbia

IAD - OLB

IADOLB

Washington, D.C. Dulles Intl

Mon 8/17

5:25 pm-2:15 pm

1 stop14h 50m

Olbia Costa Smeralda

Tue 9/8

3:00 pm-2:00 pm

1 stop29h 00m

$857

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 Olbia from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Olbia

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. Dulles Intl to Olbia Costa Smeralda?

British Airways, KLM, and Delta are the most popular carriers operating from Washington, D.C. Dulles Intl to Olbia Costa Smeralda

When to book flights from Washington, D.C. Dulles Intl Airport to Olbia

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

Cheap Washington, D.C. Dulles Intl Airport to Olbia (IAD to OLB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Olbia

Fastest flight time

12h 15m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Olbia takes 12h 15m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Olbia. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Olbia.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Olbia

  • How far is Washington, D.C. Dulles Intl to Olbia Costa Smeralda by plane?

    The distance between Washington, D.C. Dulles Intl and Olbia Costa Smeralda is about 4398.3 mi. 12h 15m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Olbia Costa Smeralda Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Olbia Costa Smeralda Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Olbia Costa Smeralda Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Olbia Costa Smeralda Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Olbia Costa Smeralda Airport.

  • What documentation or ID do you need to fly to Olbia Costa Smeralda Airport?

    The travel and health documents required for your trip to Olbia Costa Smeralda Airport 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 Olbia Costa Smeralda Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Olbia?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Olbia

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Olbia with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $726Free CancellationRating
6.8
8,004 reviews
Search Lufthansa flights

Traveling to a place near Olbia?

Book flights to Olbia if you plan to visit one of these locations
Porto Cervo
San Teodoro
La Maddalena
Palau
Santa Teresa Gallura
Cala Gonone
Golfo Aranci
Porto Rotondo
Costa Smeralda

Why use momondo?

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

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 Olbia. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Olbia flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Olbia from Washington, D.C..

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

Of course. momondo tracks the price of Washington, D.C. to Olbia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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