IAD - CAG

$428 Find Cheap Flights from Washington, D.C. to Cagliari - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$789
Typical prices: $1,075-$1,395
KLM
Thu 9/27Fri 10/12
IAD - CAG • 2 stops
Cheapest one-way
$428
Typical prices: $444-$735
Multiple Airlines
Tue 10/2
IAD - CAG • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Cagliari. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
October
Cheapest • 20% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Madrid Barajas (MAD)
Cheapest • Avg $881 (round-trip)
Paris Charles de Gaulle (CDG)
Shortest trip • 12h 17m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Washington, D.C. to Cagliari (IAD-CAG)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Cagliari

Sun, Sep 27 - Mon, Oct 12
KLM Logo
5:30 pm - 4:25 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
16h 55m1 stop Amsterdam Schiphol
KLM Logo
5:05 pm - 3:35 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
28h 30m1 stop Amsterdam Schiphol
$789KLM
Sun, Sep 27 - Mon, Oct 12
KLM Logo
7:36 pm - 4:25 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
14h 49m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
KLM Logo
5:05 pm - 3:35 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
28h 30m1 stop Amsterdam Schiphol
$789KLM
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
2:30 pm - 6:05 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
22h 35m2 stops Istanbul Milan Malpensa
Multiple Airlines Logo
1:55 pm - 12:45 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
28h 50m2 stops Milan Malpensa Istanbul
$854Multiple Airlines
Sun, Sep 27 - Mon, Oct 12
Multiple Airlines Logo
4:00 pm - 5:05 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
19h 05m2 stops Toronto Pearson Intl Frankfurt am Main
Multiple Airlines Logo
6:35 pm - 1:35 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
25h 00m2 stops Munich Franz Josef Strauss Frankfurt am Main
$964Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
4:30 pm - 6:05 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
20h 35m3 stops Toronto Pearson Intl Munich Franz Josef Strauss Milan Malpensa
Multiple Airlines Logo
1:20 pm - 3:15 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
31h 55m2 stops Barcelona-El Prat Lisbon Humberto Delgado
$1,081Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
4:30 pm - 6:05 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
20h 35m3 stops Toronto Pearson Intl Munich Franz Josef Strauss Milan Malpensa
Multiple Airlines Logo
1:20 pm - 3:15 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
31h 55m3 stops Barcelona-El Prat Sevilla Lisbon Humberto Delgado
$1,161Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
6:50 pm - 9:15 amIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
33h 25m2 stops Madrid Barajas Barcelona-El Prat
Multiple Airlines Logo
3:30 pm - 2:30 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
29h 00m1 stop Rome Fiumicino
$1,360Multiple Airlines
Sun, Sep 27 - Mon, Oct 12
Multiple Airlines Logo
9:55 am - 11:15 amIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
19h 20m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Madrid Barajas
Multiple Airlines Logo
9:40 pm - 3:10 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
23h 30m2 stops Rome Fiumicino Lisbon Humberto Delgado
$1,369Multiple Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Cagliari flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Cagliari with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Cagliari?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Cagliari start at $789. Prices are below average for this route right now, with typical round-trip fares ranging from $1,075 to $1,395. The lowest price found in the past 5 days was $789 on KLM.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Cagliari?

Monday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Cagliari, it is 8% cheaper than the average day. Friday is the most expensive day with flight prices 42% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Key details for Washington, D.C. Dulles Intl Airport to Cagliari flights

Low season

February

Cheapest flight

$428
Best time to beat the crowds but there is an average 45% increase in price.
Most popular time to fly with an average 15% increase in price.
Flight from Washington, D.C. Dulles Intl Airport to Cagliari

When to book flights from Washington, D.C. to Cagliari

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Cagliari based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Cagliari flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Cagliari?

    Flights from Washington, D.C. Dulles Intl Airport to Cagliari usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Cagliari Elmas (CAG).

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Cagliari?

    Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Cagliari:

    • Economy Class
    • Business Class

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Cagliari pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Cagliari most commonly connect through:

    • Rome Fiumicino (FCO) - 37% of one-stop connections
    • Zurich (ZRH) - 37% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 16% of one-stop connections
    • Dublin (DUB) - 5% of one-stop connections

    Rome Fiumicino (FCO) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Cagliari?

    Yes. Being flexible with your travel dates can save you up to 36% on the Washington, D.C. Dulles Intl Airport to Cagliari route. Monday is the cheapest departure day at $1,030 round-trip on average, while Friday is the most expensive at $1,599, a difference of $569. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Washington, D.C. Dulles Intl Airport to Cagliari?

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Cagliari takes 0h 00m, covering 4,436 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Cagliari?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to Cagliari changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $789 to $5,910. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Cagliari looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Cagliari are currently lower than usual. Average one-way flight prices are about $524, which is 18% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to Cagliari?

    Flying via Paris Charles de Gaulle (CDG) gives the shortest average 1-stop total travel time at 12h 17m, compared with 13h 07m via Rome Fiumicino (FCO) and 13h 59m via Dublin (DUB).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Cagliari?

    Cagliari is 6 hours ahead of Washington, D.C. Dulles Intl Airport (Central European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Cagliari Elmas Airport (CAG)?

    Cagliari Elmas Airport (CAG) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    • SURPRICE CAR RENTAL
    • Felirent
    • Galdierirent
    • Rent Smart 24
    • Record go

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Cagliari flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Cagliari range from $1,075 to $1,395, with an average of $1,119 over the past 12 months. Anything below $1,075 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to Cagliari flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Friday. On this route, Monday flights average $1,030 - about $569 less than Friday (36% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Cagliari trip for October. Fares historically average $895 round-trip in that month - typically $879 less than the most expensive month, which is June (based on the last 12 months).

More options for your flight from Washington, D.C. to Cagliari

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