Business class flights from Seattle (SEA) to Kefalonia (EFL) start from $2,800 round-trip — up to 40% below published airline prices. The ~13 hours journey covers 6,096 miles, with 4 airlines offering lie-flat seats on this route. Best time to book: 3–6 months in advance for best fares.
SEA → EFL
Seattle to Kefalonia Business Class
From$2,800
Quick Verdict
Updated August 2026Seattle to Kefalonia business class fares start at $2,800 round-trip, with airlines including Delta Air Lines, Alaska Airlines, British Airways, Lufthansa, Iberia. The ~13 hours flight covers 6,096 miles. Peak season: June–August, December. Best value: January–March, November. Book through BestBusinessClass.com to save up to 40%.
From$2,800
Top AirlinesDelta Air Lines · Alaska Airlines · British Airways · Lufthansa · Iberia
Flight Time~13 hours
Best MonthsJanuary–March
Route Overview
Starting From
$2,800 round-trip
Flight Duration
~13 hours
Distance
6,096 miles
Best Value
Jan, Feb, Mar
Savings
Up to 60% off retail
Route Intelligence
Business Class from Seattle to Kefalonia
BestBusinessClass.com helps travelers save up to 60% on business class flights from Seattle to Kefalonia, with round-trip fares starting from $2,800. Our Personal Travel Managers negotiate directly with airlines like Delta Air Lines, Alaska Airlines, British Airways to secure private fares on this popular Europe route, covering 6,096 miles in approximately 13 hours.
Airlines & Cabin Experience
The Seattle to Kefalonia corridor is served by 6 carriers, with the best value typically found during January, February, March, October, November. Business class passengers enjoy lie-flat seats, premium dining, and priority services that make the journey as rewarding as the destination.
Pricing & Best Time to Fly
Booking through BestBusinessClass.com means access to unpublished fares that aren't available on consumer booking sites. Our clients typically save $800–$2,400 per ticket compared to retail pricing. Whether you're traveling for business or leisure, our team handles every detail from seat selection to special meal requests.
Airline Comparison
| Airline | Product | Seat Configuration | Alliance | Key Features | Review |
|---|---|---|---|---|---|
| Delta Air Lines | Delta One Suite | Suite with closing door, 1-2-1 | SkyTeam | Delta One Suite privacy, Tumi amenity kit | Read Review |
| Alaska Airlines | First Class | Recliner, 2-2 | OneWorld | West Coast focus, Mileage Plan | Read Review |
| British Airways | Club Suite | Suite with door, 1-2-1 | OneWorld | Club Suite privacy door, White Company bedding | Read Review |
| Lufthansa | Allegris Business | Lie-flat suite, 1-2-1 | Star Alliance | Flagship A350 suites, German precision service | Read Review |
Delta Air Lines
Delta One Suite
Suite with closing door, 1-2-1
Delta One Suite privacy, Tumi amenity kit
Read Full Review →
Alaska Airlines
First Class
Recliner, 2-2
West Coast focus, Mileage Plan
Read Full Review →
British Airways
Club Suite
Suite with door, 1-2-1
Club Suite privacy door, White Company bedding
Read Full Review →
Lufthansa
Allegris Business
Lie-flat suite, 1-2-1
Flagship A350 suites, German precision service
Read Full Review →Best Time to Book
When Should You Book Seattle to Kefalonia Business Class?
Business class fares from Seattle to Kefalonia range from $2,800 to $7,000 round-trip, depending on season and advance booking. The best value is during January–March, November. Peak fares occur June–August, December. Booking 3–6 months ahead and choosing midweek departures typically yields 20–35% savings.
JanBest Value
FebBest Value
MarBest Value
AprAverage
MayAverage
JunPeak Pricing
JulPeak Pricing
AugPeak Pricing
SepAverage
OctAverage
NovGood Value
DecPeak Pricing
💚 Best Value — $2,800–$3,850
💛 Good Value — $3,640–$4,900
🟠 Average — $4,480–$5,740
🔴 Peak Pricing — $5,320–$7,000
Top Rated
By Travelers
Up to 40%
Savings
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The Business Class Standard
Lie-Flat Guarantee
We only sell true Business Class. 180° fully flat beds on all long-haul routes, ensuring you arrive rested.
Premium Lounges
Access the world's finest lounges. Enjoy pre-flight dining, showers, and quiet workspaces before you board.
Priority Service
Skip the queues. Your ticket includes fast-track security, priority boarding, and premium baggage handling.
The Business Class Standard
Lie-Flat Guarantee
We only sell true Business Class. 180° fully flat beds on all long-haul routes, ensuring you arrive rested.
Premium Lounges
Access the world's finest lounges. Enjoy pre-flight dining, showers, and quiet workspaces before you board.
Priority Service
Skip the queues. Your ticket includes fast-track security, priority boarding, and premium baggage handling.
FAQs: Seattle to Kefalonia Business Class
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Insights for Kefalonia Travelers
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Our travel experts have access to unpublished fares. Save up to 40%.