$1,060 Cheap Flights from Washington (IAD) to Argostolion (EFL)

View $1,060 flight on Fri, Oct 10, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Argostolion (EFL-Kefalonia Island Intl.)

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Cheap Flights from Washington to Argostolion (IAD-EFL)

Prices were available within the past 7 days and start at $1,060 for one-way flights and $1,248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Oct 9 - Mon, Oct 13
IAD
Washington
EFL
Kefalonia
$1,248 Roundtrip, found 6 days ago
$1,248
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 9 from Washington to Kefalonia, returning Mon, Oct 13, priced at $1,248 found 6 days ago
Air France
Wed, Jan 28 - Wed, Feb 4
IAD
Washington
EFL
Kefalonia
$1,301 Roundtrip, found 1 day ago
$1,301
Roundtrip
found 1 day ago
Select Air France flight, departing Wed, Jan 28 from Washington to Kefalonia, returning Wed, Feb 4, priced at $1,301 found 1 day ago
Lufthansa
Wed, Oct 8 - Mon, Oct 13
IAD
Washington
EFL
Kefalonia
$1,309 Roundtrip, found 6 days ago
$1,309
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Oct 8 from Washington to Kefalonia, returning Mon, Oct 13, priced at $1,309 found 6 days ago
KLM
Tue, Jan 27 - Wed, Feb 4
IAD
Washington
EFL
Kefalonia
$1,327 Roundtrip, found 1 day ago
$1,327
Roundtrip
found 1 day ago
Select KLM flight, departing Tue, Jan 27 from Washington to Kefalonia, returning Wed, Feb 4, priced at $1,327 found 1 day ago
Air France
Fri, Jan 30 - Wed, Feb 4
IAD
Washington
EFL
Kefalonia
$1,391 Roundtrip, found 1 day ago
$1,391
Roundtrip
found 1 day ago
Select Air France flight, departing Fri, Jan 30 from Washington to Kefalonia, returning Wed, Feb 4, priced at $1,391 found 1 day ago
Air France
Wed, Jan 28 - Sun, Feb 1
IAD
Washington
EFL
Kefalonia
$1,448 Roundtrip, found 1 day ago
$1,448
Roundtrip
found 1 day ago
Select Air France flight, departing Wed, Jan 28 from Washington to Kefalonia, returning Sun, Feb 1, priced at $1,448 found 1 day ago
KLM
Tue, Jan 27 - Sun, Feb 1
IAD
Washington
EFL
Kefalonia
$1,474 Roundtrip, found 1 day ago
$1,474
Roundtrip
found 1 day ago
Select KLM flight, departing Tue, Jan 27 from Washington to Kefalonia, returning Sun, Feb 1, priced at $1,474 found 1 day ago
Austrian Airlines
Wed, Jul 1 - Wed, Jul 8
IAD
Washington
EFL
Kefalonia
$1,545 Roundtrip, found 2 days ago
$1,545
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Wed, Jul 1 from Washington to Kefalonia, returning Wed, Jul 8, priced at $1,545 found 2 days ago
Air Canada
Wed, Jul 1 - Wed, Jul 8
IAD
Washington
EFL
Kefalonia
$1,550 Roundtrip, found 2 days ago
$1,550
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Jul 1 from Washington to Kefalonia, returning Wed, Jul 8, priced at $1,550 found 2 days ago
Lufthansa
Wed, Jul 1 - Wed, Jul 8
IAD
Washington
EFL
Kefalonia
$1,624 Roundtrip, found 2 days ago
$1,624
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Jul 1 from Washington to Kefalonia, returning Wed, Jul 8, priced at $1,624 found 2 days ago

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Kefalonia Island Intl. Airport (EFL) cost?
Grab a cheap one-way flight from $1,060 or cheap return flight from $1,248 from Washington Dulles Intl. Airport (IAD) to Kefalonia Island Intl. Airport (EFL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Kefalonia Island Intl. Airport (EFL)?
October is the least expensive month to fly from IAD to EFL. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Kefalonia Island Intl. Airport (EFL)?
To find the cheapest airline flying from IAD to EFL, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Kefalonia Island Intl. Airport (EFL)?
Nonstop flights from Washington Dulles Intl. Airport (IAD) to Kefalonia Island Intl. Airport (EFL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to EFL?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Kefalonia Island Intl. Airport (EFL)?
To avoid possible delays on the Washington Dulles Intl. Airport (IAD) to Kefalonia Island Intl. Airport (EFL) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Kefalonia Island Intl. Airport (EFL) last-minute?
Booking your plane ticket from IAD to EFL shortly before your getaway is generally more expensive. However, if there's some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book an IAD to EFL flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAD to EFL flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place will take the hassle out of planning your trip. Simply pick your flights and select from our extensive range of stays, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Kefalonia Island Intl. Airport (EFL)?
It's usually possible to reschedule or cancel your IAD to EFL flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Kefalonia Island Intl.
Roundtrip price
$1,247
Distance
4997 mi

Book with confidence

Book with confidence

Washington to Argostolion Flights

The cheapest times to fly from Washington to Argostolion

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Argostolion are during the month of October. You can find some of the cheapest flights from Washington to Argostolion with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Argostolion

Sunday is one of the best days to book for cheap flights from Washington to Argostolion: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Argostolion

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Argostolion in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,060 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Argostolion flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Argostolion airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Argostolion Flights

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