
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $773 (CheapOair) |
One-way from | $406 (Cheapflightsfares) |
Popular in | June |
Cheapest in | February |
Average price | $939 |
Good round-trip deal | $932 or less |
Good one-way deal | $468 or less |
Fly from
Fly to
Route
Depart
Return
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Mon 8/31
11:20 pm-10:45 am
Nonstop6h 25m
Lisbon Humberto Delgado
Tue 9/15
12:45 pm-3:20 pm
Nonstop7h 35m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Tue 11/3
9:40 pm-9:00 am
Nonstop6h 20m
Lisbon Humberto Delgado
Tue 11/10
11:15 am-1:59 pm
Nonstop7h 44m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Wed 8/5
11:20 pm-10:45 am
Nonstop6h 25m
Lisbon Humberto Delgado
Fri 8/21
12:45 pm-3:15 pm
Nonstop7h 30m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Tue 10/13
9:55 am-8:00 am
1 stop17h 05m
Lisbon Humberto Delgado
Thu 10/22
12:45 pm-3:25 pm
Nonstop7h 40m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Mon 7/27
11:25 pm-10:45 am
Nonstop6h 20m
Lisbon Humberto Delgado
Mon 8/3
12:45 pm-3:15 pm
Nonstop7h 30m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Thu 8/13
11:20 pm-10:45 am
Nonstop6h 25m
Lisbon Humberto Delgado
Mon 8/17
12:45 pm-3:15 pm
Nonstop7h 30m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Fri 8/21
11:20 pm-10:45 am
Nonstop6h 25m
Lisbon Humberto Delgado
Sun 8/30
12:45 pm-3:15 pm
Nonstop7h 30m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Sun 6/28
11:25 pm-10:45 am
Nonstop6h 20m
Lisbon Humberto Delgado
Fri 7/10
12:45 pm-3:10 pm
Nonstop7h 25m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Sun 6/14
11:25 pm-10:45 am
Nonstop6h 20m
Lisbon Humberto Delgado
Sun 6/21
12:45 pm-3:14 pm
Nonstop7h 29m
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Mon 8/31
11:20 pm-10:45 am
Nonstop6h 25m
Lisbon Humberto Delgado
Mon 9/7
5:00 am-4:35 pm
1 stop16h 35m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
The best time to book flights from Boston to Lisbon is 84 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, February is the cheapest month in which you can book a flight from Boston to Lisbon (average of $612). Flying from Boston to Lisbon in June is currently the most expensive (average of $1,069). 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 18% of weekly flights between Boston and Lisbon have experienced delays in the past year, with the average delay time being 128 minutes.
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 18% of flights being delayed.
Dublin (DUB) – chosen by Cheapflights users on 33% of 1-stop itineraries from Boston to Lisbon on Cheapflights.
Madrid (MAD) is the most affordable 1-stop option, with an average round-trip price of $483.
Flights via Madrid (MAD) have the shortest average one-way travel time for 1-stop routes: 9h 45m.
Flights via Madrid (MAD) offer the fastest connection on this route, with an average layover time of 3h 53m.
Comfort
Entertainment
Crew
Boarding
Overall
Food
Reviews
Anonymous,May 2026
SEA - KOA
Comfort
Entertainment
Crew
Boarding
Overall
Food
Reviews
Anonymous,May 2026
SEA - KOA
Comfort
Entertainment
Crew
Boarding
Overall
Food
Reviews
Anonymous,May 2026
SEA - KOA
Comfort
Entertainment
Crew
Boarding
Overall
Food
Reviews
Anonymous,May 2026
SEA - KOA
Comfort
Entertainment
Crew
Boarding
Overall
Food
Reviews
Anonymous,May 2026
SEA - KOA
Comfort
Entertainment
Crew
Boarding
Overall
Food
Reviews
Anonymous,May 2026
SEA - KOA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$219 | Average$472 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$294 | Average$586 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$321 | Average$834 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$386 | Average$471 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$393 | Average$579 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$405 | Average$694 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$408 | Average$527 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$412 | Average$588 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$437 | Average$617 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$480 | Average$847 | FlexibilityNo cancel fee | On-timeN/A |