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

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Austrian Airlines Flight 791 Route Deals From $72

The cheapest prices found with in the last 7 days for return flights were $113 and $72 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
$113 Roundtrip, found 3 days ago
$113
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Tue, Sep 2 from Vienna Intl. to Sofia, returning Mon, Sep 8, priced at $113 found 3 days ago
Wed, Jul 30 - Wed, Aug 6
VIE
Vienna Intl.
SOF
Sofia
$114 Roundtrip, found 22 hours ago
$114
Roundtrip
found 22 hours ago
Select Austrian Airlines flight, departing Wed, Jul 30 from Vienna Intl. to Sofia, returning Wed, Aug 6, priced at $114 found 22 hours ago
Tue, Sep 2 - Mon, Sep 8
VIE
Vienna Intl.
SOF
Sofia
$136 Roundtrip, found 3 days ago
$136
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Tue, Sep 2 from Vienna Intl. to Sofia, returning Mon, Sep 8, priced at $136 found 3 days ago
Mon, Sep 22 - Thu, Oct 2
VIE
Vienna Intl.
SOF
Sofia
$138 Roundtrip, found 4 hours ago
$138
Roundtrip
found 4 hours ago
Select Austrian Airlines flight, departing Mon, Sep 22 from Vienna Intl. to Sofia, returning Thu, Oct 2, priced at $138 found 4 hours ago
Tue, Sep 2 - Mon, Sep 8
VIE
Vienna Intl.
SOF
Sofia
$158 Roundtrip, found 3 days ago
$158
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Tue, Sep 2 from Vienna Intl. to Sofia, returning Mon, Sep 8, priced at $158 found 3 days ago
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, found 3 days ago
$160
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Tue, Sep 2 from Vienna Intl. to Sofia, returning Mon, Sep 8, priced at $160 found 3 days ago
Sat, Jul 12 - Mon, Jul 14
VIE
Vienna Intl.
SOF
Sofia
$161 Roundtrip, found 4 hours ago
$161
Roundtrip
found 4 hours ago
Select Austrian Airlines flight, departing Sat, Jul 12 from Vienna Intl. to Sofia, returning Mon, Jul 14, priced at $161 found 4 hours ago
Tue, Sep 2 - Mon, Sep 8
VIE
Vienna Intl.
SOF
Sofia
$167 Roundtrip, found 3 days ago
$167
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Tue, Sep 2 from Vienna Intl. to Sofia, returning Mon, Sep 8, priced at $167 found 3 days ago
Tue, Jul 1 - Sat, Jul 5
VIE
Vienna Intl.
SOF
Sofia
$177 Roundtrip, found 14 hours ago
$177
Roundtrip
found 14 hours ago
Select Austrian Airlines flight, departing Tue, Jul 1 from Vienna Intl. to Sofia, returning Sat, Jul 5, priced at $177 found 14 hours ago
Tue, Sep 2 - Mon, Sep 8
VIE
Vienna Intl.
SOF
Sofia
$178 Roundtrip, found 3 days ago
$178
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Tue, Sep 2 from Vienna Intl. to Sofia, returning Mon, Sep 8, priced at $178 found 3 days ago
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
Sat, Jul 12 - Mon, Jul 14
VIE
Vienna Intl.
SOF
Sofia
$185 Roundtrip, found 4 hours ago
$185
Roundtrip
found 4 hours ago
Select Austrian Airlines flight, departing Sat, Jul 12 from Vienna Intl. to Sofia, returning Mon, Jul 14, priced at $185 found 4 hours ago

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.