Austrian (OS) flights from London Heathrow (LHR).

Austria

Vienna (VIE) Direct

Available flights:

Canada

Calgary (YYC) Direct

Available flights:

OS 8237 Codeshare

Canada

Halifax (YHZ) Direct

Available flights:

OS 8283 Codeshare

Canada

Montreal-Trudeau (YUL) Direct

Available flights:

OS 8195 Codeshare
OS 8231 Codeshare
OS 8239 Codeshare

Canada

Ottawa Macdonald-Cartier (YOW) Direct

Available flights:

OS 8307 Codeshare

Canada

Toronto Pearson (YYZ) Direct

Available flights:

OS 8225 Codeshare
OS 8227 Codeshare
OS 8287 Codeshare
OS 8289 Codeshare

Canada

Vancouver (YVR) Direct

Available flights:

OS 8211 Codeshare

United States

Chicago O'Hare (ORD) Direct

Available flights:

OS 7849 Codeshare
OS 7851 Codeshare
OS 7853 Codeshare

United States

Denver (DEN) Direct

Available flights:

OS 7992 Codeshare

United States

Houston George Bush (IAH) Direct

Available flights:

OS 7809 Codeshare
OS 7813 Codeshare

United States

Los Angeles (LAX) Direct

Available flights:

OS 7847 Codeshare

United States

Newark Liberty, New York (EWR) Direct

Available flights:

OS 7791 Codeshare
OS 7793 Codeshare
OS 7795 Codeshare
OS 7797 Codeshare
OS 7799 Codeshare
OS 7909 Codeshare

United States

San Francisco (SFO) Direct

Available flights:

OS 7855 Codeshare
OS 7857 Codeshare
OS 7911 Codeshare

United States

Washington Dulles (IAD) Direct

Available flights:

OS 7805 Codeshare
OS 7807 Codeshare