Austrian Airlines Flight OS351 Deals & Information (2025/2026)

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Austrian Airlines Flight 351 Route Deals From $73

The cheapest prices found with in the last 7 days for return flights were $111 and $73 for one-way flights to Brussels - National for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 18 - Sat, Dec 20
VIE
Vienna Intl.
BRU
Brussels - National
$111 Roundtrip, found 4 days ago
$111
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Thu, Dec 18 from Vienna Intl. to Brussels - National, returning Sat, Dec 20, priced at $111 found 4 days ago
Thu, Dec 18 - Sat, Dec 20
VIE
Vienna Intl.
BRU
Brussels - National
$125 Roundtrip, found 4 days ago
$125
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Thu, Dec 18 from Vienna Intl. to Brussels - National, returning Sat, Dec 20, priced at $125 found 4 days ago
Sat, May 10 - Mon, May 12
VIE
Vienna Intl.
BRU
Brussels - National
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Sat, May 10 from Vienna Intl. to Brussels - National, returning Mon, May 12, priced at $137 found 1 day ago
Sat, Mar 15 - Sun, Mar 16
VIE
Vienna Intl.
BRU
Brussels - National
$137 Roundtrip, found 19 hours ago
$137
Roundtrip
found 19 hours ago
Select Austrian Airlines flight, departing Sat, Mar 15 from Vienna Intl. to Brussels - National, returning Sun, Mar 16, priced at $137 found 19 hours ago
Sat, May 10 - Mon, May 12
VIE
Vienna Intl.
BRU
Brussels - National
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Sat, May 10 from Vienna Intl. to Brussels - National, returning Mon, May 12, priced at $177 found 1 day ago
Sat, May 10 - Mon, May 12
VIE
Vienna Intl.
BRU
Brussels - National
$179 Roundtrip, found 1 day ago
$179
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Sat, May 10 from Vienna Intl. to Brussels - National, returning Mon, May 12, priced at $179 found 1 day ago
Thu, May 8 - Sun, May 11
VIE
Vienna Intl.
BRU
Brussels - National
$187 Roundtrip, found 2 days ago
$187
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Thu, May 8 from Vienna Intl. to Brussels - National, returning Sun, May 11, priced at $187 found 2 days ago
Fri, Jun 13 - Sun, Jun 15
VIE
Vienna Intl.
BRU
Brussels - National
$188 Roundtrip, found 4 days ago
$188
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Fri, Jun 13 from Vienna Intl. to Brussels - National, returning Sun, Jun 15, priced at $188 found 4 days ago
Sat, Mar 15 - Sun, Mar 16
VIE
Vienna Intl.
BRU
Brussels - National
$190 Roundtrip, found 19 hours ago
$190
Roundtrip
found 19 hours ago
Select Austrian Airlines flight, departing Sat, Mar 15 from Vienna Intl. to Brussels - National, returning Sun, Mar 16, priced at $190 found 19 hours ago

Frequently asked questions

What route does flight number OS351 take?
Flight number OS351 takes approximately 1 hour and 45 minutes to jet directly from Vienna Airport (VIE-Vienna Intl.) to BRU. We all know there’s magic in the destination, but half the fun is in the journey!
What terminal does OS351 fly out of?
Flight number OS351 runs between Vienna Airport and Brussels Airport (BRU-Brussels - National), and travelers taking this flight normally jet off from Terminal 3.
What kind of plane is on flight number OS351?
Get set to hop on board an Airbus A320 if you’re traveling on flight OS351. The majority of flights from Vienna Airport (VIE-Vienna Intl.) to Brussels Airport are operated using this aircraft type.
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 OS351 flight with Travelocity, please visit our Customer Service Portal.