ERROR FARE: Madrid, Spain to Boston, USA for only €103 roundtrip

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Error Fare flights from Madrid, Spain to Boston, USA for only €103 roundtrip with Air Canada, Lufthansa and Swiss International Air Lines.

Appears to be a self-dump.

WE STRONGLY RECOMMEND YOU DELAY MAKING FURTHER PLANS AS MUCH AS POSSIBLE.
BECAUSE THIS IS AN ERROR-FARE, THERE IS ALWAYS THE SMALL CHANCE THE AIRLINE MAY CANCEL THE TICKET.

DEPART:
Madrid, Spain

ARRIVE:
Boston, USA

RETURN:
Madrid, Spain

DATES:
Limited availability from January to February 2020

Example dates:
23rd-31st Jan
23rd Jan – 1st Feb
24th Jan – 2nd Feb
26th Jan – 3rd Feb
26th Jan – 4th Feb
31st Jan – 8th Feb
14th-22nd Feb

possibly more…

STOPS:
Frankfurt/Zurich/Brussels
Montreal

AIRLINES:
Air Canada
Lufthansa
Swiss International Air Lines
Brussels Airlines

Allow the search to complete, then click an OTA to view the advertised price.
Booking currency is in GBP: