American, Delta and United have fares in the $400s and low $500s for travel from Seattle SEA to several cities in Europe, including Amsterdam, Brussels, Luxembourg, Paris, Frankfurt and Munich, plus Birmingham and Manchester in the UK to Brexit up these destinations. Departure dates from January 11 to March 31 have deep discount economy class tickets with all three alliances.
The pattern of the past couple weeks, and actually the dominant pattern for many sales since May 2016 with lowest fares to Europe is basically the Icelandair North America gateways are where the biggest discounts for USA to Europe tickets have most commonly happened. Icelandair airport gateways in the USA are Boston, New York JFK, New York EWR, Washington IAD, Orlando MCO, Chicago ORD, Minneapolis MSP, Denver DEN, Portland PDX and Seattle SEA. Anchorage is listed as an Icelandair gateway, but I never any Icelandair flight deals there. Canada gateways for Icelandair are Halifax, Toronto, Montreal, Edmonton and Vancouver.
This week Seattle is one of the hot deals with low Alliance fares to 8 cities in Europe and even lower Icelandair fares to many of these airports.
Amsterdam, Netherlands AMS $580
Icelandair $580 Jan 9 – March 30
No alliance discount fares at time of post. Alliance fares all $1,000+.
Brussels, Belgium BRU $460 – $527
Luxembourg LUX $492-$500
American $500 Jan 11-March 31
Munich, Germany MUC $421 – $508
United $497-$505 Jan 11-March 31
Delta $505-$555 Jan 11-March 31
American $508-$559 Jan 11-March 31
Frankfurt, Germany FRA $472 – $522
American $520 Jan 11 – March 31
Delta $522-$537 Jan 11 – March 31
Paris, France $590
Birmingham, United Kingdom BHX $468 – $587
American/Oneworld $929 (go to Manchester MAN)
Manchester, United Kingdom MAN $453-$538 (Jan 6-March 31)
American Airlines Seattle – London LHR – Luxembourg LUX – London LHR (22.5 hour transit layover) – SEA
$507.96 round trip Friday March 17 – Saturday March 25 (arrive Seattle Sunday March 26)
Delta Airlines Seattle SEA – Atlanta ATL – Munich MUC – Atlanta ATL – Seattle SEA