Aegean Flight 621 Deals & Information (2025/2026)

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Aegean Flight 621 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 2 days ago
$194
Roundtrip
found 2 days ago
Select Aegean flight, departing Mon, May 12 from Brussels - National to Eleftherios Venizelos, returning Sat, May 17, priced at $194 found 2 days ago
Fri, Oct 3 - Tue, Oct 7
BRU
Brussels - National
ATH
Eleftherios Venizelos
$204 Roundtrip, found 3 days ago
$204
Roundtrip
found 3 days ago
Select Aegean flight, departing Fri, Oct 3 from Brussels - National to Eleftherios Venizelos, returning Tue, Oct 7, priced at $204 found 3 days ago
Thu, Nov 6 - Fri, Nov 14
BRU
Brussels - National
ATH
Eleftherios Venizelos
$217 Roundtrip, found 1 day ago
$217
Roundtrip
found 1 day ago
Select Aegean flight, departing Thu, Nov 6 from Brussels - National to Eleftherios Venizelos, returning Fri, Nov 14, priced at $217 found 1 day ago

Frequently asked questions

What route does flight number A3621 take?
You’ll be touching down at Eleftherios Venizelos Airport (ATH) from Brussels - National Airport (BRU) if you’re traveling on flight number A3621. You’ll be in the air for 3 hours and 5 minutes on this trip. It’s also good to note that the service conveniently travels non-stop.
What kind of plane is on flight number A3621?
Expect to board an Airbus A320neo if you’ve reserved a seat on flight A3621. Almost all services from Brussels - National Airport (BRU) to ATH operate using this type of aircraft.
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 A3621 flight with Travelocity, please visit our Customer Service Portal.