Aegean Flight 603 Deals & Information (2026/2027)

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Aegean Flight 603 Route Deals From $74

The cheapest prices found with in the last 7 days for return flights were $130 and $74 for one-way flights to Eleftherios Venizelos for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Feb 25 - Thu, Feb 26
LHR
Heathrow
ATH
Eleftherios Venizelos
$130 Roundtrip, found 4 days ago
$130
Roundtrip
found 4 days ago
Select Aegean flight, departing Wed, Feb 25 from Heathrow to Eleftherios Venizelos, returning Thu, Feb 26, priced at $130 found 4 days ago
Mon, Feb 2 - Mon, Feb 9
LHR
Heathrow
ATH
Eleftherios Venizelos
$136 Roundtrip, found 2 days ago
$136
Roundtrip
found 2 days ago
Select Aegean flight, departing Mon, Feb 2 from Heathrow to Eleftherios Venizelos, returning Mon, Feb 9, priced at $136 found 2 days ago
Tue, May 12 - Thu, May 21
LHR
Heathrow
ATH
Eleftherios Venizelos
$137 Roundtrip, found 5 days ago
$137
Roundtrip
found 5 days ago
Select Aegean flight, departing Tue, May 12 from Heathrow to Eleftherios Venizelos, returning Thu, May 21, priced at $137 found 5 days ago
Wed, Feb 25 - Thu, Feb 26
LHR
Heathrow
ATH
Eleftherios Venizelos
$146 Roundtrip, found 4 days ago
$146
Roundtrip
found 4 days ago
Select Aegean flight, departing Wed, Feb 25 from Heathrow to Eleftherios Venizelos, returning Thu, Feb 26, priced at $146 found 4 days ago
Mon, Apr 20 - Tue, Apr 28
LHR
Heathrow
ATH
Eleftherios Venizelos
$148 Roundtrip, found 2 days ago
$148
Roundtrip
found 2 days ago
Select Aegean flight, departing Mon, Apr 20 from Heathrow to Eleftherios Venizelos, returning Tue, Apr 28, priced at $148 found 2 days ago
Wed, Feb 25 - Thu, Feb 26
LHR
Heathrow
ATH
Eleftherios Venizelos
$161 Roundtrip, found 4 days ago
$161
Roundtrip
found 4 days ago
Select Aegean flight, departing Wed, Feb 25 from Heathrow to Eleftherios Venizelos, returning Thu, Feb 26, priced at $161 found 4 days ago
Wed, Feb 25 - Thu, Feb 26
LHR
Heathrow
ATH
Eleftherios Venizelos
$165 Roundtrip, found 4 days ago
$165
Roundtrip
found 4 days ago
Select Aegean flight, departing Wed, Feb 25 from Heathrow to Eleftherios Venizelos, returning Thu, Feb 26, priced at $165 found 4 days ago
Tue, Jun 2 - Wed, Jun 10
LHR
Heathrow
ATH
Eleftherios Venizelos
$168 Roundtrip, found 4 days ago
$168
Roundtrip
found 4 days ago
Select Aegean flight, departing Tue, Jun 2 from Heathrow to Eleftherios Venizelos, returning Wed, Jun 10, priced at $168 found 4 days ago
Fri, May 8 - Mon, May 11
LHR
Heathrow
ATH
Eleftherios Venizelos
$172 Roundtrip, found 2 days ago
$172
Roundtrip
found 2 days ago
Select Aegean flight, departing Fri, May 8 from Heathrow to Eleftherios Venizelos, returning Mon, May 11, priced at $172 found 2 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.