Aegean Flight 603 Deals & Information (2025/2026)

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Aegean Flight 603 Route Deals From $72

The cheapest prices found with in the last 7 days for return flights were $149 and $72 for one-way flights to Eleftherios Venizelos for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 6 - Tue, Oct 14
LHR
Heathrow
ATH
Eleftherios Venizelos
$149 Roundtrip, found 9 hours ago
$149
Roundtrip
found 9 hours ago
Select Aegean flight, departing Mon, Oct 6 from Heathrow to Eleftherios Venizelos, returning Tue, Oct 14, priced at $149 found 9 hours ago
Mon, Oct 6 - Tue, Oct 14
LHR
Heathrow
ATH
Eleftherios Venizelos
$173 Roundtrip, found 9 hours ago
$173
Roundtrip
found 9 hours ago
Select Aegean flight, departing Mon, Oct 6 from Heathrow to Eleftherios Venizelos, returning Tue, Oct 14, priced at $173 found 9 hours ago
Thu, Jun 25 - Wed, Jul 1
LHR
Heathrow
ATH
Eleftherios Venizelos
$184 Roundtrip, found 5 hours ago
$184
Roundtrip
found 5 hours ago
Select Aegean flight, departing Thu, Jun 25 from Heathrow to Eleftherios Venizelos, returning Wed, Jul 1, priced at $184 found 5 hours ago
Sat, Jan 17 - Tue, Jan 27
LHR
Heathrow
ATH
Eleftherios Venizelos
$199 Roundtrip, just found
$199
Roundtrip
just found
Select Aegean flight, departing Sat, Jan 17 from Heathrow to Eleftherios Venizelos, returning Tue, Jan 27, priced at $199 just found
Thu, Nov 27 - Wed, Dec 3
LHR
Heathrow
ATH
Eleftherios Venizelos
$201 Roundtrip, found 2 hours ago
$201
Roundtrip
found 2 hours ago
Select Aegean flight, departing Thu, Nov 27 from Heathrow to Eleftherios Venizelos, returning Wed, Dec 3, priced at $201 found 2 hours 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.