Flights Boston → Lisbon
BOS → LIS
How long is the flight from Boston to Lisbon?
The flight from Boston (BOS) to Lisbon (LIS) takes about 6h 50m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
Route overview
The flight route from Boston to Lisbon connects two culturally rich cities, with Lisbon's airport serving over thirty-one million passengers annually. This high-volume traffic indicates a significant demand for travel between New England and Portugal.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Boston (BOS) → Lisbon (LIS) route is operated by TAP Portugal. FlightGuard's average computed risk is 12.2/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Lisbon the average ATFM delay is 1.1 minutes (main cause: atfm). Departing from Boston the average ATFM delay is 5.5 minutes.
Heading to Lisbon: what to expect in this direction
Flying from Boston (BOS) to Lisbon (LIS) heads east for about 5,124 km, a flight time of roughly 6h 50m.
Air-traffic congestion: departing Boston the average ATFM delay is 5.5 min (atfm); arriving into Lisbon it is 1.1 min (atfm).
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| TAP Portugal (TP) | 73% | 17 min | 0.9% |
Airlines operating BOS-LIS
Airports
Frequently asked questions about BOS-LIS
The flight from Boston (BOS) to Lisbon (LIS) takes about 6h 50m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
Route-specific punctuality data isn't available yet. Check your flight on FlightGuard for a real-time analysis.
The cancellation rate varies by airline and season. Check your flight risk for an up-to-date estimate.
The route is operated by 1 airline: TAP Portugal.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Lisbon, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
