Question 1

Are there direct flights from Boston to Lisbon?

Accepted Answer

Yes, there are non-stop flights operating between Boston and Lisbon. Flight time is approximately 6h 45m.

Question 2

How long is the flight from Boston to Lisbon?

Accepted Answer

Direct flights from Boston to Lisbon typically take around 6h 45m. The great-circle distance is approximately 5,131 km.

Question 3

What is the cheapest day to fly from Boston to Lisbon?

Accepted Answer

Fares tend to be lowest on Tuesdays and Wednesdays. Flying mid-week and booking 4–8 weeks in advance often yields the best prices on the Boston–Lisbon route.

Question 4

Which airlines fly from Boston to Lisbon?

Accepted Answer

Several carriers operate this route. Use our flight search above to see live availability and compare prices across all airlines flying Boston to Lisbon.

Question 5

How far in advance should I book a flight from Boston to Lisbon?

Accepted Answer

For the best fares, aim to book 4–8 weeks ahead during peak season and 2–4 weeks during off-peak periods. Last-minute deals can sometimes appear within 14 days of departure.

Season	Months	Demand	Booking Tip
Peak	Jun – Aug, Dec	High	Book 8–12 weeks ahead for best availability.
Shoulder	Mar – May, Sep – Nov	Moderate	Good deals 4–6 weeks in advance.
Low	Jan – Feb	Low	Last-minute fares often available.

Direct Flights: Boston to Lisbon

Direct airport connections

Best Time to Book — Boston to Lisbon

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FAQs — Direct Flights Boston to Lisbon