Austrian Airlines Flight OS451 Deals & Information (2025/2026)

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Austrian Airlines Flight 451 Route Deals From $117

The cheapest prices found with in the last 7 days for return flights were $155 and $117 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 13 - Wed, Nov 19
VIE
Vienna Intl.
LHR
Heathrow
$155 Roundtrip, found 4 days ago
$155
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Thu, Nov 13 from Vienna Intl. to Heathrow, returning Wed, Nov 19, priced at $155 found 4 days ago
Wed, Nov 26 - Sun, Nov 30
VIE
Vienna Intl.
LHR
Heathrow
$156 Roundtrip, found 1 day ago
$156
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Wed, Nov 26 from Vienna Intl. to Heathrow, returning Sun, Nov 30, priced at $156 found 1 day ago
Wed, Aug 6 - Thu, Aug 21
VIE
Vienna Intl.
LHR
Heathrow
$179 Roundtrip, found 1 hour ago
$179
Roundtrip
found 1 hour ago
Select Austrian Airlines flight, departing Wed, Aug 6 from Vienna Intl. to Heathrow, returning Thu, Aug 21, priced at $179 found 1 hour ago
Thu, Nov 13 - Wed, Nov 19
VIE
Vienna Intl.
LHR
Heathrow
$185 Roundtrip, found 4 days ago
$185
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Thu, Nov 13 from Vienna Intl. to Heathrow, returning Wed, Nov 19, priced at $185 found 4 days ago
Thu, Oct 16 - Sat, Oct 25
VIE
Vienna Intl.
LHR
Heathrow
$192 Roundtrip, found 7 hours ago
$192
Roundtrip
found 7 hours ago
Select Austrian Airlines flight, departing Thu, Oct 16 from Vienna Intl. to Heathrow, returning Sat, Oct 25, priced at $192 found 7 hours ago
Fri, Oct 10 - Sun, Oct 12
VIE
Vienna Intl.
LHR
Heathrow
$196 Roundtrip, found 6 days ago
$196
Roundtrip
found 6 days ago
Select Austrian Airlines flight, departing Fri, Oct 10 from Vienna Intl. to Heathrow, returning Sun, Oct 12, priced at $196 found 6 days ago
Wed, Aug 6 - Thu, Aug 21
VIE
Vienna Intl.
LHR
Heathrow
$203 Roundtrip, found 1 hour ago
$203
Roundtrip
found 1 hour ago
Select Austrian Airlines flight, departing Wed, Aug 6 from Vienna Intl. to Heathrow, returning Thu, Aug 21, priced at $203 found 1 hour ago
Thu, Nov 13 - Wed, Nov 19
VIE
Vienna Intl.
LHR
Heathrow
$204 Roundtrip, found 4 days ago
$204
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Thu, Nov 13 from Vienna Intl. to Heathrow, returning Wed, Nov 19, priced at $204 found 4 days ago
Thu, Nov 6 - Wed, Nov 12
VIE
Vienna Intl.
LHR
Heathrow
$205 Roundtrip, found 1 day ago
$205
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Thu, Nov 6 from Vienna Intl. to Heathrow, returning Wed, Nov 12, priced at $205 found 1 day ago
Wed, Aug 6 - Thu, Aug 21
VIE
Vienna Intl.
LHR
Heathrow
$207 Roundtrip, found 1 hour ago
$207
Roundtrip
found 1 hour ago
Select Austrian Airlines flight, departing Wed, Aug 6 from Vienna Intl. to Heathrow, returning Thu, Aug 21, priced at $207 found 1 hour ago
Fri, Nov 14 - Sun, Nov 16
VIE
Vienna Intl.
LHR
Heathrow
$208 Roundtrip, found 3 days ago
$208
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Fri, Nov 14 from Vienna Intl. to Heathrow, returning Sun, Nov 16, priced at $208 found 3 days ago
Wed, Aug 6 - Thu, Aug 21
VIE
Vienna Intl.
LHR
Heathrow
$209 Roundtrip, found 1 hour ago
$209
Roundtrip
found 1 hour ago
Select Austrian Airlines flight, departing Wed, Aug 6 from Vienna Intl. to Heathrow, returning Thu, Aug 21, priced at $209 found 1 hour ago
Thu, Nov 13 - Wed, Nov 19
VIE
Vienna Intl.
LHR
Heathrow
$213 Roundtrip, found 4 days ago
$213
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Thu, Nov 13 from Vienna Intl. to Heathrow, returning Wed, Nov 19, priced at $213 found 4 days ago
Thu, Nov 13 - Wed, Nov 19
VIE
Vienna Intl.
LHR
Heathrow
$213 Roundtrip, found 4 days ago
$213
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Thu, Nov 13 from Vienna Intl. to Heathrow, returning Wed, Nov 19, priced at $213 found 4 days ago
Wed, Aug 6 - Thu, Aug 21
VIE
Vienna Intl.
LHR
Heathrow
$214 Roundtrip, found 1 hour ago
$214
Roundtrip
found 1 hour ago
Select Austrian Airlines flight, departing Wed, Aug 6 from Vienna Intl. to Heathrow, returning Thu, Aug 21, priced at $214 found 1 hour ago
Sat, Sep 13 - Sun, Sep 21
VIE
Vienna Intl.
LHR
Heathrow
$220 Roundtrip, found 9 hours ago
$220
Roundtrip
found 9 hours ago
Select Austrian Airlines flight, departing Sat, Sep 13 from Vienna Intl. to Heathrow, returning Sun, Sep 21, priced at $220 found 9 hours ago

Frequently asked questions

What route does flight number OS451 take?
OS451 jets between Vienna Airport (VIE-Vienna Intl.) and Heathrow Airport and flies direct. This journey usually takes 2 hours and 30 minutes.
What terminal does OS451 fly out of?
Direct flights between Vienna Intl. Airport (VIE) and London Airport (LHR-Heathrow) are served by OS451, and passengers who travel on this flight usually board from Terminal 3.
What kind of plane is on flight number OS451?
There’s every chance you’ll be on the Airbus A321 if you’re on flight number OS451. This flight typically heads off from Vienna Intl. Airport (VIE) and arrives at LHR.
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 OS451 flight with Travelocity, please visit our Customer Service Portal.