Austrian Airlines Flight OS791 Deals & Information (2025/2026)

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Austrian Airlines Flight 791 Route Deals From $74

The cheapest prices found with in the last 7 days for return flights were $114 and $74 for one-way flights to Sofia for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 2 - Mon, Sep 8
VIE
Vienna Intl.
SOF
Sofia
$114 Roundtrip, just found
$114
Roundtrip
just found
Select Austrian Airlines flight, departing Tue, Sep 2 from Vienna Intl. to Sofia, returning Mon, Sep 8, priced at $114 just found
Tue, Sep 2 - Mon, Sep 8
VIE
Vienna Intl.
SOF
Sofia
$138 Roundtrip, just found
$138
Roundtrip
just found
Select Austrian Airlines flight, departing Tue, Sep 2 from Vienna Intl. to Sofia, returning Mon, Sep 8, priced at $138 just found
Sun, Jul 13 - Wed, Jul 23
VIE
Vienna Intl.
SOF
Sofia
$159 Roundtrip, found 5 days ago
$159
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Sun, Jul 13 from Vienna Intl. to Sofia, returning Wed, Jul 23, priced at $159 found 5 days ago
Tue, Sep 2 - Mon, Sep 8
VIE
Vienna Intl.
SOF
Sofia
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Austrian Airlines flight, departing Tue, Sep 2 from Vienna Intl. to Sofia, returning Mon, Sep 8, priced at $160 just found
Tue, Sep 2 - Mon, Sep 8
VIE
Vienna Intl.
SOF
Sofia
$161 Roundtrip, just found
$161
Roundtrip
just found
Select Austrian Airlines flight, departing Tue, Sep 2 from Vienna Intl. to Sofia, returning Mon, Sep 8, priced at $161 just found
Tue, Sep 2 - Mon, Sep 8
VIE
Vienna Intl.
SOF
Sofia
$180 Roundtrip, just found
$180
Roundtrip
just found
Select Austrian Airlines flight, departing Tue, Sep 2 from Vienna Intl. to Sofia, returning Mon, Sep 8, priced at $180 just found
Fri, Oct 3 - Mon, Oct 6
VIE
Vienna Intl.
SOF
Sofia
$181 Roundtrip, found 3 days ago
$181
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Fri, Oct 3 from Vienna Intl. to Sofia, returning Mon, Oct 6, priced at $181 found 3 days ago
Tue, Sep 2 - Mon, Sep 8
VIE
Vienna Intl.
SOF
Sofia
$185 Roundtrip, just found
$185
Roundtrip
just found
Select Austrian Airlines flight, departing Tue, Sep 2 from Vienna Intl. to Sofia, returning Mon, Sep 8, priced at $185 just found
Fri, Oct 3 - Mon, Oct 6
VIE
Vienna Intl.
SOF
Sofia
$187 Roundtrip, found 3 days ago
$187
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Fri, Oct 3 from Vienna Intl. to Sofia, returning Mon, Oct 6, priced at $187 found 3 days ago
Tue, Sep 2 - Mon, Sep 8
VIE
Vienna Intl.
SOF
Sofia
$195 Roundtrip, just found
$195
Roundtrip
just found
Select Austrian Airlines flight, departing Tue, Sep 2 from Vienna Intl. to Sofia, returning Mon, Sep 8, priced at $195 just found

Frequently asked questions

What route does flight number OS791 take?
OS791 operates from Vienna Intl. Airport (VIE) to Henri Coanda Intl. Airport (OTP) and is a direct flight. This service usually takes 1 hour and 35 minutes.
What terminal does OS791 fly out of?
Direct flights to and from Vienna Intl. Airport (VIE) and OTP are served by flight number OS791, and passengers traveling on this flight normally board from Terminal 3.
What kind of plane is on flight number OS791?
Get set to cruise aboard an Airbus A320 if you’ve booked a seat on flight OS791. Nearly all flights from VIE to Bucharest Airport use 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 OS791 flight with Travelocity, please visit our Customer Service Portal.