WAS - CAG

$834 Find Cheap Flights from Washington, D.C. to Cagliari - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$834
Typical prices: $1,114-$1,395
Air Canada, Iberia
Sat 4/21Mon 5/21
IAD - CAG • 2 stops
Cheapest one-way
$735
Typical prices: $444-$775
Multiple Airlines
Sun 12/16
IAD - CAG • 3 stops
When to travel
April
Cheapest • 22% 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)
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Flight Deals

Cheap Flights from Washington, D.C. to Cagliari (WAS-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

Wed, Apr 21 - Fri, May 21
Multiple Airlines Logo
1:20 pm - 7:10 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
23h 50m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main
Multiple Airlines Logo
3:15 pm - 3:50 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
30h 35m2 stops Barcelona-El Prat London Heathrow
$834Multiple Airlines
Mon, Apr 19 - Fri, Apr 30
Multiple Airlines Logo
4:30 pm - 7:10 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
44h 40m2 stops Toronto Pearson Intl Frankfurt am Main
Multiple Airlines Logo
11:30 pm - 8:05 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
26h 35m3 stops Milan Malpensa Barcelona-El Prat Lisbon Humberto Delgado
$837Multiple Airlines
Wed, Apr 21 - Fri, May 21
Multiple Airlines Logo
9:55 am - 7:10 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
27h 15m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main
Multiple Airlines Logo
9:05 pm - 4:45 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
25h 40m1 stop Zurich
$854Multiple Airlines
Mon, Apr 19 - Fri, Apr 30
Multiple Airlines Logo
8:30 pm - 10:50 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
20h 20m3 stops Reykjavik Keflavik Intl Manchester Milan Malpensa
Multiple Airlines Logo
11:30 pm - 8:05 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
26h 35m3 stops Milan Malpensa Barcelona-El Prat Lisbon Humberto Delgado
$891Multiple Airlines
Sun, Apr 18 - Fri, Apr 30
Multiple Airlines Logo
9:55 am - 5:45 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
25h 50m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:35 pm - 9:05 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
32h 30m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$892Multiple Airlines
Sun, Apr 18 - Fri, Apr 30
Multiple Airlines Logo
4:30 pm - 5:45 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
43h 15m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:35 pm - 7:59 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
31h 24m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$898Multiple Airlines
Mon, Apr 19 - Fri, Apr 30
Multiple Airlines Logo
9:55 am - 5:45 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
25h 50m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:35 pm - 3:29 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
50h 54m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$898Multiple Airlines
Wed, Apr 21 - Fri, May 21
Multiple Airlines Logo
5:55 pm - 7:10 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
19h 15m1 stop Frankfurt am Main
Multiple Airlines Logo
9:55 am - 2:00 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
34h 05m1 stop Vienna Intl
$905Multiple Airlines
Sun, Dec 13 - Sun, Dec 20
Multiple Airlines Logo
8:10 pm - 10:50 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
20h 40m2 stops Zurich Milan Malpensa
Multiple Airlines Logo
7:45 am - 8:23 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
18h 38m2 stops Milan Malpensa Montreal Pierre Elliott Trudeau Intl
$912Multiple Airlines
Thu, Mar 11 - Thu, Mar 18
Iberia Logo
5:50 pm - 1:05 pmIAD  Washington, D.C. Dulles Intl-CAG Cagliari Elmas
37h 15m2 stops Madrid Barajas Barcelona-El Prat
Iberia Logo
1:20 pm - 8:55 pmCAG  Cagliari Elmas-IAD Washington, D.C. Dulles Intl
36h 35m2 stops Barcelona-El Prat London Heathrow
$915Iberia
Booking Insights

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

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What is the cheapest Washington, D.C. to Cagliari flight route?

There's little price difference between Washington, D.C. to Cagliari routes. They average around $1,257 round-trip, based on KAYAK data over the past 12 months.

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Washington, D.C. to Cagliari. It’s 12% cheaper than the average day, while Friday is the most expensive, with prices 27% higher.

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Key details for Washington, D.C. to Cagliari flights

Low season

February

Cheapest flight

$735
Beat the crowds with an average 89% drop in travelers.
The most popular month to fly with an average 110% increase in travelers.
One-way 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. to Cagliari flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

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

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

    • Economy Class
    • Business Class

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

    There are currently no nonstop flights available from Washington, D.C. to Cagliari. Flights with 1 layover take between 12h 17m and 15h 26m in total, depending on the connection.

  • Do I need a passport to fly from Washington, D.C. 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.

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

    Round-trip flights from Washington, D.C. to Cagliari range from $1,114 to $1,395, with an average of $1,257 over the past 12 months. Anything below $1,114 counts as a good deal.

  • Have flight prices from Washington, D.C. 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 $834 to $6,104. That means the highest observed fare was about 7x higher than the lowest one.

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

    One-way fares from Washington, D.C. to Cagliari are currently higher than usual. Average one-way flight prices are about $842, which is 30% above the typical average for this route.

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

    Cagliari Elmas Airport (CAG) hosts 5 major car rental companies, with daily rates averaging $45 for economy cars. Top options include:

    • GREEN MOTION
    • Galdierirent
    • Rent Smart 24
    • Felirent
    • SURPRICE CAR RENTAL

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

    Flights from Washington, D.C. to Cagliari may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD). Flights usually arrive at Cagliari Elmas (CAG).

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

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

    • Paris Charles de Gaulle (CDG) - 27% of one-stop connections
    • Rome Fiumicino (FCO) - 27% of one-stop connections
    • Zurich (ZRH) - 27% of one-stop connections
    • Dublin (DUB) - 9% of one-stop connections

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

    Yes. Flexible dates can save you up to 31% on flights from Washington, D.C. to Cagliari. Monday is the cheapest departure day at $1,109 round-trip on average, while Friday is the most expensive at $1,599, a difference of $490.

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

    Flying via Paris Charles de Gaulle (CDG) gives the shortest average 1-stop total travel time at 12h 17m, compared with 12h 57m via Rome Fiumicino (FCO) and 13h 59m via Dublin (DUB).

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

    Cagliari is 5 hours ahead of Washington, D.C. (Central European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Washington, D.C. to Cagliari flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average $1,109, about $490 less than Friday fares (31% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. to Cagliari trip for April. Fares historically average $976 round-trip in that month - typically $798 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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