Aegean Flight 623 Deals & Information (2025/2026)

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Aegean Flight 623 Route Deals From $84

The cheapest prices found with in the last 7 days for return flights were $194 and $84 for one-way flights to Eleftherios Venizelos for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, May 12 - Sat, May 17
BRU
Brussels - National
ATH
Eleftherios Venizelos
$194 Roundtrip, found 1 day ago
$194
Roundtrip
found 1 day ago
Select Aegean flight, departing Mon, May 12 from Brussels - National to Eleftherios Venizelos, returning Sat, May 17, priced at $194 found 1 day ago
Fri, Oct 3 - Tue, Oct 7
BRU
Brussels - National
ATH
Eleftherios Venizelos
$204 Roundtrip, found 2 days ago
$204
Roundtrip
found 2 days ago
Select Aegean flight, departing Fri, Oct 3 from Brussels - National to Eleftherios Venizelos, returning Tue, Oct 7, priced at $204 found 2 days ago
Sun, May 18 - Tue, May 27
BRU
Brussels - National
ATH
Eleftherios Venizelos
$205 Roundtrip, found 6 days ago
$205
Roundtrip
found 6 days ago
Select Aegean flight, departing Sun, May 18 from Brussels - National to Eleftherios Venizelos, returning Tue, May 27, priced at $205 found 6 days ago
Thu, Nov 6 - Fri, Nov 14
BRU
Brussels - National
ATH
Eleftherios Venizelos
$217 Roundtrip, found 21 hours ago
$217
Roundtrip
found 21 hours ago
Select Aegean flight, departing Thu, Nov 6 from Brussels - National to Eleftherios Venizelos, returning Fri, Nov 14, priced at $217 found 21 hours ago

Frequently asked questions

What route does flight number A3623 take?
A3623 takes 3 hours and 5 minutes to fly straight from Brussels - National Airport (BRU) to Athens International Airport. Sure, there’s magic in the destination, but getting there is half the fun!
What kind of plane is on flight number A3623?
The Airbus A321 is the kind of plane most often used for flight A3623. This flight nearly always jets off from Brussels Airport and touches down at Eleftherios Venizelos Airport (ATH).
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 A3623 flight with Travelocity, please visit our Customer Service Portal.