Austrian Airlines Flight OS456 Deals & Information (2025/2026)

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Austrian Airlines Flight 456 Route Deals From $102

The cheapest prices found with in the last 7 days for return flights were $159 and $102 for one-way flights to Vienna Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 8 - Wed, Jan 14
LHR
Heathrow
VIE
Vienna Intl.
$159 Roundtrip, found 8 hours ago
$159
Roundtrip
found 8 hours ago
Select Austrian Airlines flight, departing Thu, Jan 8 from Heathrow to Vienna Intl., returning Wed, Jan 14, priced at $159 found 8 hours ago
Thu, Jan 15 - Wed, Jan 21
LHR
Heathrow
VIE
Vienna Intl.
$179 Roundtrip, found 1 hour ago
$179
Roundtrip
found 1 hour ago
Select Austrian Airlines flight, departing Thu, Jan 15 from Heathrow to Vienna Intl., returning Wed, Jan 21, priced at $179 found 1 hour ago
Tue, Dec 2 - Tue, Dec 9
LHR
Heathrow
VIE
Vienna Intl.
$180 Roundtrip, found 2 days ago
$180
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Tue, Dec 2 from Heathrow to Vienna Intl., returning Tue, Dec 9, priced at $180 found 2 days ago
Thu, Jun 4 - Mon, Jun 8
LHR
Heathrow
VIE
Vienna Intl.
$181 Roundtrip, found 2 days ago
$181
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Thu, Jun 4 from Heathrow to Vienna Intl., returning Mon, Jun 8, priced at $181 found 2 days ago
Sat, Jun 27 - Wed, Jul 1
LHR
Heathrow
VIE
Vienna Intl.
$182 Roundtrip, found 5 days ago
$182
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Sat, Jun 27 from Heathrow to Vienna Intl., returning Wed, Jul 1, priced at $182 found 5 days ago
Thu, Jun 4 - Mon, Jun 8
LHR
Heathrow
VIE
Vienna Intl.
$198 Roundtrip, found 2 days ago
$198
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Thu, Jun 4 from Heathrow to Vienna Intl., returning Mon, Jun 8, priced at $198 found 2 days ago
Fri, Nov 7 - Sun, Nov 9
LHR
Heathrow
VIE
Vienna Intl.
$199 Roundtrip, found 7 hours ago
$199
Roundtrip
found 7 hours ago
Select Austrian Airlines flight, departing Fri, Nov 7 from Heathrow to Vienna Intl., returning Sun, Nov 9, priced at $199 found 7 hours ago
Thu, Jun 4 - Mon, Jun 8
LHR
Heathrow
VIE
Vienna Intl.
$202 Roundtrip, found 2 days ago
$202
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Thu, Jun 4 from Heathrow to Vienna Intl., returning Mon, Jun 8, priced at $202 found 2 days ago
Mon, Mar 9 - Sat, Mar 14
LHR
Heathrow
VIE
Vienna Intl.
$203 Roundtrip, found 22 hours ago
$203
Roundtrip
found 22 hours ago
Select Austrian Airlines flight, departing Mon, Mar 9 from Heathrow to Vienna Intl., returning Sat, Mar 14, priced at $203 found 22 hours ago
Mon, Dec 15 - Sat, Dec 20
LHR
Heathrow
VIE
Vienna Intl.
$205 Roundtrip, found 23 hours ago
$205
Roundtrip
found 23 hours ago
Select Austrian Airlines flight, departing Mon, Dec 15 from Heathrow to Vienna Intl., returning Sat, Dec 20, priced at $205 found 23 hours ago
Mon, Mar 9 - Sat, Mar 14
LHR
Heathrow
VIE
Vienna Intl.
$206 Roundtrip, found 22 hours ago
$206
Roundtrip
found 22 hours ago
Select Austrian Airlines flight, departing Mon, Mar 9 from Heathrow to Vienna Intl., returning Sat, Mar 14, priced at $206 found 22 hours ago
Thu, Jan 8 - Wed, Jan 14
LHR
Heathrow
VIE
Vienna Intl.
$207 Roundtrip, found 8 hours ago
$207
Roundtrip
found 8 hours ago
Select Austrian Airlines flight, departing Thu, Jan 8 from Heathrow to Vienna Intl., returning Wed, Jan 14, priced at $207 found 8 hours ago

Frequently asked questions

What route does flight number OS456 take?
OS456 jets between Heathrow Airport and Vienna Airport (VIE-Vienna Intl.) and is a direct flight. This journey usually takes 2 hours and 15 minutes.
How often is OS456 on time?
Around 61% of flight number OS456 services depart on time — so you may want to leave a bit of space in your travel plans. If you experience a delay, the typical wait is approximately 17 minutes. Take this into account if you have a connecting flight or your special someone is picking you up from the airport. This route has a 1.9-star rating.
What terminal does OS456 fly out of?
Flights between Heathrow Airport (LHR) and Vienna Intl. Airport (VIE) are served by flight number OS456, and those traveling on this route usually leave from Terminal 2.
What kind of plane is on flight number OS456?
Get set to jump on board an Airbus A321 if you're traveling on flight OS456. The majority of flights from London Airport (LHR-Heathrow) to Vienna Airport use this kind of plane.
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 OS456 flight with Travelocity, please visit our Customer Service Portal.