Flight timing · United States → Portugal
The cheapest months to fly to Portugal from United States
Based on the lowest return fares we've seen from United States to Portugal over the past year. Fly in the cheaper months and you'll usually pay well under peak season. Prices are per person, return, all-in.
Cheapest month
August
from $230 return
Most expensive
April
$678 return
Save up to
$448
Aug vs Apr
Lowest fare by month
Cheapest return fare seen for each departure month, United States to Lisbon.
Book these months
August ($230), October ($266), September ($288) are the cheapest we've seen. Shoulder-season dates mean softer fares and thinner crowds.
Pricier, plan around it
April peaks at $678. Shifting your trip a few weeks usually keeps most of the saving.
Live prices open on Aviasales. Booking through this link supports JetlyGo at no extra cost to you.
Cheapest city to fly into
Portugal is the trip, but where you land changes the fare. Lisbon is usually the cheapest gateway from United States.
A local in Portugal can tell you which airport is cheapest to reach and which base fits your trip.
More cheapest-month guides from United States
Prices from Travelpayouts (Aviasales), lowest return fare cached per departure month, United States to Lisbon. Based on 6 months of data. Fares change; check live before booking. Coverage is still filling for this route.