Aegean Flight A3603 Deals & Information (2025/2026)

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Aegean Flight 603 Route Deals From $73

The cheapest prices found with in the last 7 days for return flights were $175 and $73 for one-way flights to Eleftherios Venizelos for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 21 - Mon, Dec 1
LHR
Heathrow
ATH
Eleftherios Venizelos
$175 Roundtrip, found 1 day ago
$175
Roundtrip
found 1 day ago
Select Aegean flight, departing Fri, Nov 21 from Heathrow to Eleftherios Venizelos, returning Mon, Dec 1, priced at $175 found 1 day ago
Wed, Sep 24 - Wed, Dec 17
LHR
Heathrow
ATH
Eleftherios Venizelos
$182 Roundtrip, found 6 days ago
$182
Roundtrip
found 6 days ago
Select Aegean flight, departing Wed, Sep 24 from Heathrow to Eleftherios Venizelos, returning Wed, Dec 17, priced at $182 found 6 days ago
Sun, May 10 - Fri, May 22
LHR
Heathrow
ATH
Eleftherios Venizelos
$183 Roundtrip, found 4 days ago
$183
Roundtrip
found 4 days ago
Select Aegean flight, departing Sun, May 10 from Heathrow to Eleftherios Venizelos, returning Fri, May 22, priced at $183 found 4 days ago

Frequently asked questions

What route does flight number A3603 take?
A3603 flies straight from LHR to Athens Airport (ATH-Eleftherios Venizelos). During this journey, you'll be in the air for 3 hours and 35 minutes. It's wise to book ahead to get your favorite seat.
What terminal does A3603 fly out of?
You'll likely be taking off from Terminal 2 if you're booked on A3603 direct from LHR to Athens International Airport.
What kind of plane is on flight number A3603?
You'll most likely find yourself cruising aboard an Airbus A321neo if you're on flight number A3603. This flight usually takes off from London Airport (LHR-Heathrow) and lands at Athens Airport (ATH-Eleftherios Venizelos).
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your A3603 flight with Travelocity, please visit our Customer Service Portal.