$601 Cheap British Airways flights Denver (DEN) to Argostolion (EFL)

View $601 flight on Mon, Aug 18, 2025Opens in a new window

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$601 Cheap British Airways flights Denver (DEN) to Argostolion (EFL)

Prices were available within the past 7 days and start at $601 for one-way flights and $892 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Sep 15 - Sat, Sep 27
DEN
Denver
EFL
Kefalonia
$892 Roundtrip, found 1 day ago
$892
Roundtrip
found 1 day ago
Select British Airways flight, departing Mon, Sep 15 from Denver to Kefalonia, returning Sat, Sep 27, priced at $892 found 1 day ago
British Airways
Sun, Sep 14 - Sat, Sep 27
DEN
Denver
EFL
Kefalonia
$898 Roundtrip, found 1 day ago
$898
Roundtrip
found 1 day ago
Select British Airways flight, departing Sun, Sep 14 from Denver to Kefalonia, returning Sat, Sep 27, priced at $898 found 1 day ago
British Airways
Fri, Sep 12 - Sat, Sep 27
DEN
Denver
EFL
Kefalonia
$947 Roundtrip, found 1 day ago
$947
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, Sep 12 from Denver to Kefalonia, returning Sat, Sep 27, priced at $947 found 1 day ago
British Airways
Sat, Sep 13 - Sat, Sep 27
DEN
Denver
EFL
Kefalonia
$952 Roundtrip, found 1 day ago
$952
Roundtrip
found 1 day ago
Select British Airways flight, departing Sat, Sep 13 from Denver to Kefalonia, returning Sat, Sep 27, priced at $952 found 1 day ago
British Airways
Sat, Sep 13 - Tue, Sep 23
DEN
Denver
EFL
Kefalonia
$978 Roundtrip, found 10 hours ago
$978
Roundtrip
found 10 hours ago
Select British Airways flight, departing Sat, Sep 13 from Denver to Kefalonia, returning Tue, Sep 23, priced at $978 found 10 hours ago
British Airways
Mon, Sep 8 - Tue, Sep 16
DEN
Denver
EFL
Kefalonia
$1,032 Roundtrip, found 1 day ago
$1,032
Roundtrip
found 1 day ago
Select British Airways flight, departing Mon, Sep 8 from Denver to Kefalonia, returning Tue, Sep 16, priced at $1,032 found 1 day ago
Flights from Denver (DEN) to Argostolion (EFL)
Origin airport
Denver Intl.
Destination airport
Kefalonia Island Intl.
Airlines serving
British Airways
Popular airline
British Airways
Distance
6029 mi

Frequently asked questions

How much is a British Airways flight from Denver Intl. Airport (DEN) to Kefalonia Island Intl. Airport (EFL)?
Use the "Price (lowest to highest)" filter on Expedia to find cheap British Airways return flights from $892 from DEN to EFL. Affordable one-way tickets from $601 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DEN to EFL with British Airways?
British Airways flights to Kefalonia are generally more affordable in the off-peak months of November and February. Whether you need a round-trip or one-way ticket, you could land a better deal then.
What is the cheapest time to book flights from Denver Intl. Airport (DEN) to Kefalonia Island Intl. Airport (EFL) with British Airways?
Look for British Airways flights from DEN to EFL about one month before you want to leave. The cheapest time to reserve an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your itinerary and fare class, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Passengers booking on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does British Airways fly nonstop from Denver Intl. Airport (DEN) to Kefalonia Island Intl. Airport (EFL)?
Simply enter your dates, hit search and use the "Nonstop" filter on Expedia to browse any direct flights from DEN to EFL with British Airways or other airlines.
What is the earliest British Airways flight from DEN to EFL?
Filter your results by "Morning" and "Early Morning" to see the earliest departures from DEN to EFL. Setting off early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does British Airways fly into in Kefalonia?
Catch a British Airways flight from Denver Intl. Airport (DEN) to Kefalonia, and you're most likely to touch down at Kefalonia Island Intl. Airport (EFL). This is the airline's main hub here.
What kind of luggage can I take on a British Airways flight from Denver Intl. Airport (DEN) to Kefalonia Island Intl. Airport (EFL)?
British Airways lets passengers bring 1 checked-in bag weighing up to 50 lb with maximum dimensions of 29 inches x 15 inches x 16 inches on standard economy flights from DEN to EFL. You can also bring 2 cabin bags in the cabin. This hand luggage must not exceed 19 inches x 9 inches x 17 inches and weigh no more than 50 lb. Baggage allowances can differ based on the cabin class and fare type, so check your booking or British Airways's website to avoid paying additional fees at the airport.
Why fly with British Airways from DEN to EFL?
Offering top-tier customer service and an excellent in-flight experience, British Airways is the leading choice for many passengers heading from DEN to EFL. What's more, if you're a British Airways Executive Club and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be spent on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my British Airways flight from Denver Intl. Airport (DEN) to Kefalonia Island Intl. Airport (EFL)?
You can usually cancel or modify your flight, although additional fees may apply if you booked more than 24 hours ago. Need flexible options? Use our "No cancel fee" and "Changes included" filters to find flights that won't charge extra if you need to alter your plans. To update your itinerary, head to "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.