[United] $487: Boston to Lisbon, Portugal (Roundtrip)

lisbon portugal

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Cheap flights from 60+ cities to Lisbon & Porto, Portugal for $446 were recently featured on Thrifty Traveler Premium! Sign up for Premium today to get instant fare notifications of cheap international flights from your city.


New adventure awaits! Great sale on United Airlines round-trip flights from Boston to Lisbon, Portugal. Availability January – March. Sign up for Thrifty Traveler Premium to get instant notification of great flight deals from your city. All round-trip flights include advanced seat assignment, free checked bag and free meals. Only one connection each way! Book quick, this fare won’t last!

Thrifty Tip #1: Looking for more international flight deals like this? Sign up for Thrifty Traveler Premium to get instant notification of flash sales and flight deals from your city.

Thrifty Tip #2: Book now and ask questions later! You can cancel up to 24 hours after booking with PricelineFollow us on Instagram at @bostonflightdeals to see the flight deal of the day out of Boston on your news feed the minute we find it!


Fare Availability:

Boston to Lisbon, Portugal (BOS – LIS) – $487 roundtrip

  • Departures: January 14, 17-18, 24-25, 31, February 4, 7, 25, March 4
  • Returns: January 21, 26, 27, February 2-4, 9, 11, 14-15, 21-22, March 6, 11
    • Allow at least 7 days between departure and return, will take trial and error.

How to Search & Book:

  • Book via Priceline – we’ve done the searching for you!
    • Learn how to get free TSA PreCheck & save $500 off your next flight with the Capital One Venture card

Hotel Accommodations:


bos - lis


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