What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Cagliari round-trip?

Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Cagliari is SWISS. Our recent data shows that you can find tickets from as low as $713 on this airline. Additional options worth looking into are Iberia and Lufthansa, starting at $717 and $735 round-trip.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Cagliari?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Cagliari flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Cagliari ranges from 0.1 - 2.2 inches per month. February is typically the wettest month, when rainfall can reach 2.2 in. July is typically the driest time to visit Cagliari when rainfall is around 0.1 in.

If weather is an important factor for your trip to Cagliari, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Cagliari?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Cagliari. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest time of day to fly from IAD to CAG?

When flying from Washington, D.C. Dulles Intl Airport to Cagliari, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Cagliari from Washington, D.C. Dulles Intl?

Most people fly into Cagliari Elmas (CAG) if they book a flight to Cagliari from Washington, D.C. Dulles Intl. On average, Elmas has 0 inbound flights from Washington, D.C. Dulles Intl per day from 0 airlines. Cagliari Elmas is conveniently located just 4.0 mi from Cagliari’s city center.

Can I find deals for flights from Dulles Intl to Cagliari that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Cagliari flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Cagliari?

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

Can I find deals for business class flights from Dulles Intl to Cagliari?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$575+ Flights from Washington, D.C. Dulles Intl Airport to Cagliari

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Cheap flight deals from Dulles Intl to Cagliari

Round-trip from	$665 (Mytrip)
One-way from	$575 (SWISS)

From Washington, D.C. Dulles Intl to Cagliari Elmas

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One-way flight from Washington, D.C. Dulles Intl to Cagliari Elmas

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Find flight deals from Dulles Intl to Cagliari

Cheapest flights from Dulles Intl to Cagliari
Explore the most affordable flight options available from Dulles Intl to Cagliari. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Wed 8/138:30 pmIAD - CAG

2 stops21h 10mMultiple Airlines

Wed 8/207:30 amCAG - IAD

2 stops20h 40mMultiple Airlines

Deal found 7/28

$665

Mon 9/88:45 pmIAD - CAG

1 stop30h 30mSWISS

Mon 9/159:10 pmCAG - IAD

1 stop25h 05mSWISS

Deal found 7/29

$712

Wed 9/106:10 pmIAD - CAG

1 stop18h 25mLufthansa

Wed 9/176:25 pmCAG - IAD

1 stop31h 00mLufthansa

Deal found 7/27

$735

Fri 9/195:50 pmIAD - CAG

1 stop21h 00mBritish Airways

Fri 9/268:25 pmCAG - IAD

1 stop27h 10mBritish Airways

Deal found 7/27

$740

Mon 8/254:35 pmIAD - CAG

1 stop20h 15mIberia

Wed 9/311:40 pmCAG - IAD

2 stops41h 17mIberia

Deal found 7/28

$776

Best flights from Dulles Intl to Cagliari
Discover carefully curated flight deals from Dulles Intl to Cagliari that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Wed 8/138:30 pmIAD - CAG

2 stops21h 10mMultiple Airlines

Wed 8/207:30 amCAG - IAD

2 stops20h 40mMultiple Airlines

Deal found 7/28

$665

Sun 10/128:45 pmIAD - CAG

1 stop17h 40mSWISS

Tue 10/218:55 amCAG - IAD

1 stop13h 20mSWISS

Deal found 7/28

$713

Mon 8/184:35 pmIAD - CAG

1 stop20h 15mIberia

Thu 8/287:30 pmCAG - IAD

1 stop25h 30mIberia

Deal found 7/27

$717

Wed 9/106:10 pmIAD - CAG

1 stop18h 25mLufthansa

Wed 9/176:25 pmCAG - IAD

1 stop31h 00mLufthansa

Deal found 7/27

$735

Fri 9/195:50 pmIAD - CAG

1 stop21h 00mBritish Airways

Fri 9/268:25 pmCAG - IAD

1 stop27h 10mBritish Airways

Deal found 7/27

$740

Last-minute flights from Dulles Intl to Cagliari
Discover last-minute flight deals from Dulles Intl to Cagliari. Data last updated July 29, 2025 and is based on user searches.

Wed 8/66:10 pmIAD - CAG

1 stop18h 25mLufthansa

Mon 8/187:25 pmCAG - IAD

1 stop24h 05mLufthansa

Deal found 7/27

$1,321

Wed 8/68:33 pmIAD - CAG

2 stops15h 27mDelta

Mon 8/185:05 pmCAG - IAD

2 stops29h 26mDelta

Deal found 7/27

$1,478

Fri 8/84:30 pmIAD - CAG

1 stop25h 10mMultiple Airlines

Mon 9/157:45 amCAG - IAD

2 stops37h 35mMultiple Airlines

Deal found 7/28

$852

Fri 8/84:30 pmIAD - CAG

2 stops34h 40mITA Airways

Sun 8/177:25 pmCAG - IAD

2 stops25h 15mITA Airways

Deal found 7/29

$1,394

Fri 8/88:45 pmIAD - CAG

1 stop29h 20mSWISS

Sun 8/178:55 amCAG - IAD

1 stop13h 20mSWISS

Deal found 7/29

$1,481

Wed 8/138:30 pmIAD - CAG

2 stops21h 10mMultiple Airlines

Wed 8/207:30 amCAG - IAD

2 stops20h 40mMultiple Airlines

Deal found 7/28

$665

Thu 8/1410:20 pmIAD - CAG

1 stop13h 15mLufthansa

Mon 8/187:25 pmCAG - IAD

1 stop26h 25mLufthansa

Deal found 7/29

$783

Mon 8/258:45 pmIAD - CAG

1 stop30h 30mSWISS

Mon 9/19:10 pmCAG - IAD

1 stop25h 05mSWISS

Deal found 7/28

$715

Mon 8/254:35 pmIAD - CAG

1 stop20h 15mIberia

Wed 9/311:40 pmCAG - IAD

2 stops41h 17mIberia

Deal found 7/28

$776

Fri 8/2910:40 pmIAD - CAG

1 stop16h 10mBritish Airways

Fri 9/58:25 pmCAG - IAD

1 stop27h 10mBritish Airways

Deal found 7/28

$840

One-way flights from Dulles Intl to Cagliari
Search for one-way flight options from Dulles Intl to Cagliari. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Mon 9/298:45 pmIAD - CAG

1 stop30h 30mSWISS

Deal found 7/28

$575

Mon 9/293:25 pmIAD - CAG

2 stops44h 10mLufthansa

Deal found 7/27

$631

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Cagliari that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Wed 8/13

8:30 pm-11:40 pm

2 stops21h 10m

Cagliari Elmas

Wed 8/20

7:30 am-10:10 pm

2 stops20h 40m

$665

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Sun 10/12

8:45 pm-8:25 pm

1 stop17h 40m

Cagliari Elmas

Tue 10/21

8:55 am-4:15 pm

1 stop13h 20m

$713

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Mon 8/18

4:35 pm-6:50 pm

1 stop20h 15m

Cagliari Elmas

Thu 8/28

7:30 pm-3:00 pm

1 stop25h 30m

$717

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Wed 9/10

6:10 pm-6:35 pm

1 stop18h 25m

Cagliari Elmas

Wed 9/17

6:25 pm-7:25 pm

1 stop31h 00m

$735

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Fri 9/19

5:50 pm-8:50 pm

1 stop21h 00m

Cagliari Elmas

Fri 9/26

8:25 pm-5:35 pm

1 stop27h 10m

$740

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Mon 9/29

8:45 pm-9:15 am

1 stop30h 30m

$575

Washington, D.C.Cagliari

IAD - CAG

IADCAG

Washington, D.C. Dulles Intl

Mon 9/29

3:25 pm-5:35 pm

2 stops44h 10m

$631

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Dulles Intl to Cagliari

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

Reviews of airlines servicing Cagliari

Get a feel of what it's like to fly with SWISS, Iberia, and Lufthansa from Washington, D.C. Dulles Intl Airport to Cagliari by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

SWISS

7.5

Good

1,683 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

SWISS

7.5

Good

1,683 reviews

SWISS

7.5

Good

1,683 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Iberia

7.0

Good

2,858 reviews

SWISS

7.5

Good

1,683 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Lufthansa

6.8

Okay

7,265 reviews

SWISS

7.5

Good

1,683 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

British Airways

6.6

Okay

7,208 reviews

SWISS

7.5

Good

1,683 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Related info for your journey

What airport do you fly into for flights to Cagliari from Washington, D.C. Dulles Intl?
Most people fly into Cagliari Elmas (CAG) if they book a flight to Cagliari from Washington, D.C. Dulles Intl. On average, Elmas has 0 inbound flights from Washington, D.C. Dulles Intl per day from 0 airlines. Cagliari Elmas is conveniently located just 4.0 mi from Cagliari’s city center.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Cagliari round-trip?
Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Cagliari is SWISS. Our recent data shows that you can find tickets from as low as $713 on this airline. Additional options worth looking into are Iberia and Lufthansa, starting at $717 and $735 round-trip.
Can I find deals for flights from Dulles Intl to Cagliari that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Cagliari flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Cagliari?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Cagliari.
Can I find deals for business class flights from Dulles Intl to Cagliari?
Yes. Cheapflights offers flight deals from Dulles Intl 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

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$575+ Cheap flights from Dulles Intl (IAD) 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Cagliari with Cheapflights

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Cheap flight deals from Dulles Intl to Cagliari

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Find flight deals from Dulles Intl to Cagliari

Cheapest flights from Dulles Intl to CagliariExplore the most affordable flight options available from Dulles Intl to Cagliari. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Dulles Intl to Cagliari. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Cagliari that are best for you.

Best time to book a flight from Dulles Intl to Cagliari

Have a flexible travel schedule? Discover the best time to fly to Cagliari from Dulles Intl with our price prediction graph.

Reviews of airlines servicing Cagliari

Get a feel of what it's like to fly with SWISS, Iberia, and Lufthansa from Washington, D.C. Dulles Intl Airport to Cagliari by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Cagliari round-trip?

Can I find deals for flights from Dulles Intl to Cagliari that include hotel bookings?

How can I find direct flights from Dulles Intl to Cagliari?

Can I find deals for business class flights from Dulles Intl to Cagliari?

Traveling to a place near Cagliari?

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Alternative routes for Dulles Intl to Cagliari

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Cheapest flights from Dulles Intl to Cagliari
Explore the most affordable flight options available from Dulles Intl to Cagliari. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.