Use the FlyLogan app for real-time flight updates and pre-order food via BOS2GO, saving time before your evening departure.

Most accurate provider | Gotogate 3 stars |
|---|---|
Most trusted provider | Gotogate 3 stars |
Round-trip from | $508 (FlightHub) |
One-way from | $295 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $672 |
Good round-trip deal | $530 or less |
Good one-way deal | $331 or less |
Fly from
Fly to
Route
Depart
Return
Price
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Sat 3/7
3:35 pm-8:55 am
1 stop12h 20m
Lisbon Humberto Delgado
Fri 3/20
5:00 am-2:10 pm
1 stop13h 10m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Wed 4/29
9:45 pm-2:55 pm
1 stop12h 10m
Lisbon Humberto Delgado
Wed 5/6
10:00 am-7:38 pm
1 stop14h 38m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Thu 4/9
5:45 am-10:30 am
1 stop23h 45m
Lisbon Humberto Delgado
Thu 4/23
11:25 am-2:52 pm
1 stop32h 27m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Mon 5/4
11:00 am-8:00 am
1 stop16h 00m
Lisbon Humberto Delgado
Sun 5/10
12:45 pm-3:15 pm
Nonstop7h 30m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Sun 5/3
11:25 pm-10:45 am
Nonstop6h 20m
Lisbon Humberto Delgado
Sun 5/10
5:00 am-1:16 pm
1 stop13h 16m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Sun 4/12
11:25 pm-10:45 am
Nonstop6h 20m
Lisbon Humberto Delgado
Sun 4/19
5:35 am-1:33 pm
1 stop12h 58m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Sun 4/12
11:25 pm-10:45 am
Nonstop6h 20m
Lisbon Humberto Delgado
Sun 4/19
5:35 am-2:55 pm
1 stop14h 20m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Wed 2/18
7:30 am-5:40 pm
1 stop29h 10m
Lisbon Humberto Delgado
Sun 2/22
6:40 pm-9:55 pm
1 stop32h 15m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Tue 2/17
7:30 am-9:50 am
1 stop21h 20m
Lisbon Humberto Delgado
Sun 2/22
6:40 pm-9:55 pm
1 stop32h 15m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Fri 4/10
7:25 am-11:05 pm
1 stop10h 40m
Lisbon Humberto Delgado
Thu 4/16
8:25 am-7:50 pm
1 stop16h 25m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Boston to Lisbon is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, July is the cheapest month in which you can book a flight from Boston to Lisbon (average of $346). Flying from Boston to Lisbon in June is currently the most expensive (average of $593). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Boston to Lisbon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 20% of weekly flights between Boston and Lisbon have experienced delays in the past year, with the average delay time being 131 minutes.
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Delta have had the lowest number of delays on this route, with just 19% of flights being delayed.
Madrid (MAD) – chosen by Cheapflights users on 60% of 1-stop itineraries from Boston to Lisbon on Cheapflights.
Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $348.
Flights via Madrid (MAD) have the shortest average one-way travel time for 1-stop routes: 9h 40m.
Flights via Madrid (MAD) offer the fastest connection on this route, with an average layover time of 1h 28m.
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$572 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$232 | Average$525 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$328 | Average$379 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$343 | Average$620 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$381 | Average$508 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$386 | Average$542 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$393 | Average$607 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$405 | Average$468 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$437 | Average$595 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$461 | Average$714 | FlexibilityNo cancel fee | On-time74% |