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

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Austrian Airlines Flight 304 Route Deals From $80

The cheapest prices found with in the last 7 days for return flights were $122 and $80 for one-way flights to Vienna Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Feb 20 - Sun, Feb 22
CPH
Kastrup
VIE
Vienna Intl.
$122 Roundtrip, found 4 hours ago
$122
Roundtrip
found 4 hours ago
Select Austrian Airlines flight, departing Fri, Feb 20 from Kastrup to Vienna Intl., returning Sun, Feb 22, priced at $122 found 4 hours ago
Wed, Dec 10 - Sun, Dec 14
CPH
Kastrup
VIE
Vienna Intl.
$145 Roundtrip, found 5 hours ago
$145
Roundtrip
found 5 hours ago
Select Austrian Airlines flight, departing Wed, Dec 10 from Kastrup to Vienna Intl., returning Sun, Dec 14, priced at $145 found 5 hours ago
Tue, Aug 19 - Tue, Aug 26
CPH
Kastrup
VIE
Vienna Intl.
$146 Roundtrip, found 5 days ago
$146
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Tue, Aug 19 from Kastrup to Vienna Intl., returning Tue, Aug 26, priced at $146 found 5 days ago
Fri, Aug 8 - Tue, Aug 12
CPH
Kastrup
VIE
Vienna Intl.
$151 Roundtrip, found 19 hours ago
$151
Roundtrip
found 19 hours ago
Select Austrian Airlines flight, departing Fri, Aug 8 from Kastrup to Vienna Intl., returning Tue, Aug 12, priced at $151 found 19 hours 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.