United and Star Alliance airlines have 7 cities in western Europe and Scandinavia on sale.
Star Alliance discount fares from Chicago:
Amsterdam $432 Jan 10 – March 31 departures.
Brussels $456 Jan 10 – May 10 departures.
Frankfurt $507 Jan 11 – May 10 departures.
Paris $471 Jan 10 – May 10 departures.
Copenhagen $480 April 7 – May 11 departures.
Oslo $500 Jan 11 – March 30 departures.
Stockholm $469 Jan 12 – May 11 departures
There are also several cities in eastern Europe on sale from this week through May 15, 2017 including:
Athens $568 ($548 Air Canada October).
Bucharest $574 (Swiss) or $549 Turkish Airlines
Swiss Airlines Chicago ORD – Zurich ZRH – Athens ATH – ZRH – ORD
$567.89 round trip May 14 – May 22, 2017
Icelandair also has deep discount fares from Chicago to 10 cities in Europe.
Icelandair Chicago ORD – Reykjavik KEF – Copenhagen, Denmark CPH – KEF – ORD
$379.97 round trip Fri May 5 – Sat May 13
Icelandair does not charge for checked bag, carry-on, or seat assignment. You can book a stopover in Iceland online for about $10 to $20 more.
Loyalty Traveler curated Airfare Deals and Google Flights and Kayak Explore tutorials.
