Aegean Flight 603 Deals & Information (2025/2026)

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Aegean Flight 603 Route Deals From $71

The cheapest prices found with in the last 7 days for return flights were $128 and $71 for one-way flights to Eleftherios Venizelos for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 29 - Mon, Feb 2
LHR
Heathrow
ATH
Eleftherios Venizelos
$128 Roundtrip, found 3 days ago
$128
Roundtrip
found 3 days ago
Select Aegean flight, departing Thu, Jan 29 from Heathrow to Eleftherios Venizelos, returning Mon, Feb 2, priced at $128 found 3 days ago
Fri, Jan 9 - Mon, Mar 9
LHR
Heathrow
ATH
Eleftherios Venizelos
$139 Roundtrip, found 5 days ago
$139
Roundtrip
found 5 days ago
Select Aegean flight, departing Fri, Jan 9 from Heathrow to Eleftherios Venizelos, returning Mon, Mar 9, priced at $139 found 5 days ago
Tue, Mar 10 - Tue, Mar 24
LHR
Heathrow
ATH
Eleftherios Venizelos
$141 Roundtrip, found 2 days ago
$141
Roundtrip
found 2 days ago
Select Aegean flight, departing Tue, Mar 10 from Heathrow to Eleftherios Venizelos, returning Tue, Mar 24, priced at $141 found 2 days ago
Fri, Jan 9 - Mon, Mar 9
LHR
Heathrow
ATH
Eleftherios Venizelos
$146 Roundtrip, found 5 days ago
$146
Roundtrip
found 5 days ago
Select Aegean flight, departing Fri, Jan 9 from Heathrow to Eleftherios Venizelos, returning Mon, Mar 9, priced at $146 found 5 days ago
Thu, Jan 29 - Thu, Feb 5
LHR
Heathrow
ATH
Eleftherios Venizelos
$153 Roundtrip, found 3 days ago
$153
Roundtrip
found 3 days ago
Select Aegean flight, departing Thu, Jan 29 from Heathrow to Eleftherios Venizelos, returning Thu, Feb 5, priced at $153 found 3 days ago
Thu, Jan 29 - Thu, Feb 5
LHR
Heathrow
ATH
Eleftherios Venizelos
$158 Roundtrip, found 3 days ago
$158
Roundtrip
found 3 days ago
Select Aegean flight, departing Thu, Jan 29 from Heathrow to Eleftherios Venizelos, returning Thu, Feb 5, priced at $158 found 3 days ago
Mon, Mar 2 - Sun, Mar 8
LHR
Heathrow
ATH
Eleftherios Venizelos
$164 Roundtrip, found 1 day ago
$164
Roundtrip
found 1 day ago
Select Aegean flight, departing Mon, Mar 2 from Heathrow to Eleftherios Venizelos, returning Sun, Mar 8, priced at $164 found 1 day ago
Wed, Oct 8 - Sat, Oct 18
LHR
Heathrow
ATH
Eleftherios Venizelos
$175 Roundtrip, found 5 days ago
$175
Roundtrip
found 5 days ago
Select Aegean flight, departing Wed, Oct 8 from Heathrow to Eleftherios Venizelos, returning Sat, Oct 18, priced at $175 found 5 days ago
Mon, Oct 6 - Tue, Oct 14
LHR
Heathrow
ATH
Eleftherios Venizelos
$176 Roundtrip, found 15 hours ago
$176
Roundtrip
found 15 hours ago
Select Aegean flight, departing Mon, Oct 6 from Heathrow to Eleftherios Venizelos, returning Tue, Oct 14, priced at $176 found 15 hours ago
Tue, Mar 3 - Thu, Mar 12
LHR
Heathrow
ATH
Eleftherios Venizelos
$177 Roundtrip, found 4 days ago
$177
Roundtrip
found 4 days ago
Select Aegean flight, departing Tue, Mar 3 from Heathrow to Eleftherios Venizelos, returning Thu, Mar 12, priced at $177 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.