Aegean Flight 621 Deals & Information (2026/2027)

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Aegean Flight 621 Route Deals From $106

The cheapest prices found with in the last 7 days for return flights were $247 and $106 for one-way flights to Eleftherios Venizelos for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 26 - Sat, Oct 10
BRU
Brussels - National
ATH
Eleftherios Venizelos
$247 Roundtrip, found 5 days ago
$247
Roundtrip
found 5 days ago
Select Aegean flight, departing Sat, Sep 26 from Brussels - National to Eleftherios Venizelos, returning Sat, Oct 10, priced at $247 found 5 days ago
Sat, Sep 26 - Sat, Oct 10
BRU
Brussels - National
ATH
Eleftherios Venizelos
$255 Roundtrip, found 5 days ago
$255
Roundtrip
found 5 days ago
Select Aegean flight, departing Sat, Sep 26 from Brussels - National to Eleftherios Venizelos, returning Sat, Oct 10, priced at $255 found 5 days ago
Sun, Sep 20 - Sat, Sep 26
BRU
Brussels - National
ATH
Eleftherios Venizelos
$269 Roundtrip, found 6 days ago
$269
Roundtrip
found 6 days ago
Select Aegean flight, departing Sun, Sep 20 from Brussels - National to Eleftherios Venizelos, returning Sat, Sep 26, priced at $269 found 6 days ago
Fri, Nov 13 - Sun, Nov 15
BRU
Brussels - National
ATH
Eleftherios Venizelos
$277 Roundtrip, found 5 days ago
$277
Roundtrip
found 5 days ago
Select Aegean flight, departing Fri, Nov 13 from Brussels - National to Eleftherios Venizelos, returning Sun, Nov 15, priced at $277 found 5 days ago
Fri, May 1 - Fri, May 22
BRU
Brussels - National
ATH
Eleftherios Venizelos
$279 Roundtrip, found 4 days ago
$279
Roundtrip
found 4 days ago
Select Aegean flight, departing Fri, May 1 from Brussels - National to Eleftherios Venizelos, returning Fri, May 22, priced at $279 found 4 days ago
Fri, May 1 - Fri, May 22
BRU
Brussels - National
ATH
Eleftherios Venizelos
$280 Roundtrip, found 4 days ago
$280
Roundtrip
found 4 days ago
Select Aegean flight, departing Fri, May 1 from Brussels - National to Eleftherios Venizelos, returning Fri, May 22, priced at $280 found 4 days ago
Sat, Jun 6 - Sun, Jun 7
BRU
Brussels - National
ATH
Eleftherios Venizelos
$280 Roundtrip, found 2 days ago
$280
Roundtrip
found 2 days ago
Select Aegean flight, departing Sat, Jun 6 from Brussels - National to Eleftherios Venizelos, returning Sun, Jun 7, priced at $280 found 2 days ago
Fri, Aug 21 - Fri, Sep 11
BRU
Brussels - National
ATH
Eleftherios Venizelos
$281 Roundtrip, found 1 day ago
$281
Roundtrip
found 1 day ago
Select Aegean flight, departing Fri, Aug 21 from Brussels - National to Eleftherios Venizelos, returning Fri, Sep 11, priced at $281 found 1 day ago
Thu, Jun 11 - Mon, Jun 15
BRU
Brussels - National
ATH
Eleftherios Venizelos
$285 Roundtrip, found 14 hours ago
$285
Roundtrip
found 14 hours ago
Select Aegean flight, departing Thu, Jun 11 from Brussels - National to Eleftherios Venizelos, returning Mon, Jun 15, priced at $285 found 14 hours 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.