HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kefalonia

$643+ Cheap flights from Seattle (SEA) to Kefalonia

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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EFL
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Kefalonia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Seattle to Kefalonia

Cheapest flights from Seattle to Kefalonia
Explore the most affordable flight options available from Seattle to Kefalonia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.

This Mytrip deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:00 pm
SEA
-
EFL
3 stops34h 25m
Multiple Airlines
Thu 7/3010:10 pm
EFL
-
SEA
2 stops29h 00m
Multiple Airlines
Deal found 6/8$1,459
This Emirates deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:15 pm
SEA
-
EFL
2 stops42h 40m
Emirates
Mon 10/193:05 pm
EFL
-
SEA
2 stops32h 20m
Emirates
Deal found 6/7$1,884

Find flight deals from Seattle to Kefalonia

Keep the following information in mind while searching for Seattle to Kefalonia flight deals. Data was last updated June 10, 2026.

Round-trip from

$1,459
(Mytrip)

One-way from

$643
(Kiwi.com)
From Seattle/Tacoma Intl to Kefalonia
Search Deals
One-way flight from Seattle/Tacoma Intl to Kefalonia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Kefalonia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
Use the filters below to find and compare flights from Seattle to Kefalonia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleArgostoli

SEA - EFL

SEAEFL

Seattle/Tacoma Intl

Thu 7/23

7:00 pm-3:25 pm

3 stops34h 25m

Argostoli Cephalonia

Thu 7/30

10:10 pm-5:10 pm

2 stops29h 00m

$1,459
Cheapest one-way
Quickest one-way

SeattleArgostoli

SEA - EFL

SEAEFL

Seattle/Tacoma Intl

Wed 6/24

10:30 am-4:25 pm

3 stops43h 55m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Sorted by cheapest first

Best time to book a flight from Seattle to Kefalonia

Have a flexible travel schedule? Discover the best time to fly to Kefalonia from Seattle 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Kefalonia
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Kefalonia. 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 from for flights from Seattle to Kefalonia?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Kefalonia from Seattle.

  • Can I find deals for flights from Seattle to Kefalonia that include hotel bookings?

    Yes. In addition to deals on Seattle to Kefalonia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Kefalonia?

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

  • Can I find deals for business class flights from Seattle to Kefalonia?

    Yes. Cheapflights offers flight deals from Seattle to Kefalonia 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Kefalonia

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Zante flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.