Austrian (OS) flights from Chicago O'Hare (ORD).

Austria

Vienna (VIE) Direct

Available flights:

OS 46

Belgium

Brussels (BRU) Direct

Available flights:

OS 7756 Codeshare

Iceland

Keflavik, Reykjavik (KEF) Direct

Available flights:

OS 7866 Codeshare

Ireland

Dublin (DUB) Direct

Available flights:

OS 7870 Codeshare

Italy

Milan Malpensa (MXP) Direct

Available flights:

OS 7914 Codeshare

Italy

Rome Leonardo da Vinci Fiumicino (FCO) Direct

Available flights:

OS 7926 Codeshare

Switzerland

Zurich (ZRH) Direct

Available flights:

OS 7786 Codeshare

United Kingdom

London Heathrow (LHR) Direct

Available flights:

OS 7850 Codeshare
OS 7852 Codeshare
OS 7854 Codeshare

United States

Atlanta (ATL) Direct

Available flights:

OS 7723 Codeshare

United States

Charlotte (CLT) Direct

Available flights:

OS 7715 Codeshare

United States

Dallas Fort Worth (DFW) Direct

Available flights:

OS 7719 Codeshare

United States

Denver (DEN) Direct

Available flights:

OS 7733 Codeshare

United States

Detroit (DTW) Direct

Available flights:

OS 7721 Codeshare

United States

Houston George Bush (IAH) Direct

Available flights:

OS 7713 Codeshare
OS 7729 Codeshare

United States

Las Vegas Harry Reid (LAS) Direct

Available flights:

OS 7701 Codeshare

United States

Los Angeles (LAX) Direct

Available flights:

OS 7705 Codeshare

United States

Memphis (MEM) Direct

Available flights:

OS 7727 Codeshare

United States

Phoenix Sky Harbor (PHX) Direct

Available flights:

OS 7711 Codeshare

United States

Saint Louis (STL) Direct

Available flights:

OS 7735 Codeshare

United States

Salt Lake City (SLC) Direct

Available flights:

OS 7707 Codeshare

United States

San Diego (SAN) Direct

Available flights:

OS 7709 Codeshare

United States

San Francisco (SFO) Direct

Available flights:

OS 7717 Codeshare

United States

Seattle-Tacoma (SEA) Direct

Available flights:

OS 7703 Codeshare

United States

Washington Dulles (IAD) Direct

Available flights:

OS 7916 Codeshare