Austrian Airlines Flight OS304 Deals & Information (2025/2026)

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Austrian Airlines Flight 304 Route Deals From $86

The cheapest prices found with in the last 7 days for return flights were $133 and $86 for one-way flights to Vienna Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 12 - Tue, Sep 16
CPH
Kastrup
VIE
Vienna Intl.
$133 Roundtrip, found 5 days ago
$133
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Fri, Sep 12 from Kastrup to Vienna Intl., returning Tue, Sep 16, priced at $133 found 5 days ago
Thu, Aug 28 - Mon, Sep 1
CPH
Kastrup
VIE
Vienna Intl.
$146 Roundtrip, found 3 hours ago
$146
Roundtrip
found 3 hours ago
Select Austrian Airlines flight, departing Thu, Aug 28 from Kastrup to Vienna Intl., returning Mon, Sep 1, priced at $146 found 3 hours ago
Tue, Aug 19 - Tue, Aug 26
CPH
Kastrup
VIE
Vienna Intl.
$146 Roundtrip, found 3 days ago
$146
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Tue, Aug 19 from Kastrup to Vienna Intl., returning Tue, Aug 26, priced at $146 found 3 days ago
Thu, Aug 28 - Mon, Sep 1
CPH
Kastrup
VIE
Vienna Intl.
$152 Roundtrip, found 3 hours ago
$152
Roundtrip
found 3 hours ago
Select Austrian Airlines flight, departing Thu, Aug 28 from Kastrup to Vienna Intl., returning Mon, Sep 1, priced at $152 found 3 hours ago
Sat, Mar 14 - Thu, Mar 19
CPH
Kastrup
VIE
Vienna Intl.
$154 Roundtrip, found 5 days ago
$154
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Sat, Mar 14 from Kastrup to Vienna Intl., returning Thu, Mar 19, priced at $154 found 5 days ago

Frequently asked questions

What route does flight number OS304 take?
OS304 jets between Copenhagen Airport, Kastrup and Vienna Intl. Airport (VIE) and is a direct flight. This service generally takes 1 hour and 45 minutes.
What terminal does OS304 fly out of?
You'll likely be taking off from Terminal 2 if you're flying on OS304 direct from Copenhagen Airport (CPH-Kastrup) to Vienna Airport (VIE-Vienna Intl.).
What kind of plane is on flight number OS304?
The Airbus A320 is the plane usually used for flight OS304. More often than not, this flight departs from Copenhagen Airport (CPH-Kastrup) and comes in to land at Vienna Airport.
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 OS304 flight with Travelocity, please visit our Customer Service Portal.