Cheapest Day to Fly
22.4%
Confidence 85%
Wednesday departures on this route average 22.4% below the route-wide observed fare average.
Sample size
48
Last updated
Oct 14, 2026
Recent route coverage suggests flights from Boston, MA to Lisbon, Portugal can price from $997. Approximate nonstop flying time is 6h 52m.Fares from $997 one way, typically $1588, from 105 fares we recorded on this route between Sep 10, 2026 and Sep 10, 2026.
Choose your dates, then compare available prices, baggage and fare rules.
Recorded one-way fares from Boston, MA (BOS) to Lisbon, Portugal (LIS) start from $997 USD, with a median of $1588 across 105 fares we recorded. Fares move with dates, demand and seasonality, so search your own dates for the price you can book.
The great-circle distance from Boston, MA to Lisbon, Portugal implies roughly 6h 52m of nonstop flying time. Itineraries with a connection take longer.
Carriers in the fares we recorded for Boston, MA to Lisbon, Portugal include American Airlines, Air Canada, Air France, JetBlue Airways and 7 more. Baggage allowances and fare rules differ by carrier and fare, so compare the whole fare rather than the headline price.
Recorded one-way fares ranged from $997 to $4361 across 105 observations, depending on dates, carrier and fare.
Based on 105 fares Fly2Any recorded on this route. Confirm the final price live.
Origin airport
Logan International
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Destination airport
Humberto Delgado Airport
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Route insights
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Corridor hub
Open the europe corridor
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Real Fare Intelligence
These insights are generated only from observed fare data captured from searches, snapshots, alerts, and bookings. Modeled and editorial values are excluded.
Cheapest Day to Fly
22.4%
Wednesday departures on this route average 22.4% below the route-wide observed fare average.
Sample size
48
Last updated
Oct 14, 2026
Best Booking Window
23.1%
Flights on this route are 23.1% cheaper on average when booked 56-83 days before departure.
Sample size
29
Last updated
Sep 10, 2026
Price Volatility
69.4%
Observed fares on this route moved across a 69.4% band between the 10th and 90th percentile, signaling high price volatility.
Looking for cheap flights from Boston, MA (BOS) to Lisbon, Portugal (LIS)? Compare available flights with Fly2Any. Search your travel dates to check current fares, airlines, baggage options, and connections for this route.
The great-circle distance from Boston, MA (BOS) to Lisbon, Portugal (LIS) is about 3184 miles, which suggests a nonstop flight time around 6h 52m. Actual schedules, elapsed travel time, and connection patterns must be validated in live search before booking.
Planning guidance computed by Fly2Any Travel Research from airport coordinates and time zones. Confirm live schedules and elapsed travel time in search before booking.
No booking window or weekday guarantees the lowest fare. Compare dates that work for your trip, and check the complete price and fare conditions before choosing an itinerary.
Fares we recorded for Boston, MA (BOS) to Lisbon, Portugal (LIS) came from:
Fares from $997 one way, typically $1588, from 105 fares we recorded on this route between Sep 10, 2026 and Sep 10, 2026. The highest fare we recorded was $4361. Prices move with dates, airline and fare type, so search your dates for the current price.
In the 105 fares Fly2Any recorded for Boston, MA (BOS) to Lisbon, Portugal (LIS), the airlines were American Airlines, Air Canada, Air France, JetBlue Airways, British Airways, Delta Air Lines and 5 more. Which airlines appear depends on your dates, and some of these fares connect through another airport.
The two airports are about 3,184 miles apart, which works out to roughly 6h 52m of nonstop flying time. Itineraries with a connection take longer; search shows the actual total travel time of each itinerary.
Nonstop service changes by season and day of the week. Search your dates and choose the nonstop (direct) filter: if a nonstop is offered it appears there, and if not, sorting by Fastest shows the shortest connections first.
Compare similar routes. Prices shown are the lowest fares we recorded; search your dates for the current price.
Next best path
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Find flights to Lisbon, PortugalSample size
214
Last updated
Oct 15, 2026
Airline Performance
18.1%
United Airlines fares we recorded on this route run 18.1% below the route-wide average, making it the most price-competitive carrier in the current sample.
Sample size
11
Last updated
Oct 13, 2026
As general planning guidance, fares on routes like this are often lower in January, February and November. Shoulder seasons (April-May, September-October) often balance weather and price. This is not a fare guarantee: compare flexible dates in search, or set a price alert for the route.
No single booking window guarantees the lowest fare on BOS to LIS. Start watching once your dates are firm, compare nearby dates, and check the total with bags and fare rules before you pay.
It depends on the airline and the fare. Basic and light fares often include only a personal item, while standard fares add a carry-on or a checked bag. Each fare in Fly2Any search shows what is included, and you can add bags before you pay.