Question 1

Which airport is the most popular layover for flights between Boston and Lisbon?

Accepted Answer

Reykjavik (KEF) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

Question 2

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

Accepted Answer

You are more likely to see cheaper flights to Lisbon from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $776 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Boston for as low as $725 on momondo.

Question 3

How have Boston to Lisbon flight prices changed over time?

Accepted Answer

As of January 2026, prices for Boston to Lisbon flights are approximately 7% more expensive when compared to flights at the same time last year.

Question 4

Which layover airport has the shortest connection time from Boston to Lisbon?

Accepted Answer

Zurich (ZRH) has the shortest average layover time for this route: 1h 15m.

Question 5

What is the cheapest month to fly to Lisbon?

Accepted Answer

In general, November is the cheapest month to fly from Boston to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $637. If you are unable to visit Lisbon during the month of November, then departing from Boston during the month February is also very affordable. Most momondo users find prices during this month for around $664.

Question 6

How often are flights from Boston to Lisbon delayed?

Accepted Answer

Historically, on average around 19% of flights between Boston and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

Question 7

What cabin class options are available on Boston Logan Intl to Lisbon Humberto Delgado flights?

Accepted Answer

There are 4 cabin classes available to choose from on Boston Logan Intl to Lisbon Humberto Delgado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 8

Can stopping save me money on Boston to Lisbon flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Boston to Lisbon.

Question 9

Which layover airport offers the lowest fares from Boston to Lisbon?

Accepted Answer

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $419.

Question 10

What is the cheapest time of day to depart on your flight to Lisbon?

Accepted Answer

The cheapest time of day to fly to Lisbon is in the evening when flights can be purchased for as low as $810. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $824 on average. Flights to Lisbon from Boston in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Question 11

What is the cheapest airline that flies from Boston Logan Intl to Lisbon Humberto Delgado?

Accepted Answer

Azores Airlines is the most popular carrier operating from Boston Logan Intl to Lisbon Humberto Delgado

Question 12

Which layover airport has the shortest travel time from Boston to Lisbon?

Accepted Answer

Flights connecting via Porto (OPO) have the shortest average one-way travel time: 9h 00m.

Question 13

How many flights depart from Boston to Lisbon on average per week?

Accepted Answer

As of January 2026, there are 10 flights per week flying from Boston to Lisbon. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

Question 14

Which airline has the best punctuality record on Boston to Lisbon flights?

Accepted Answer

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

Question 15

What is the cheapest day to depart on your flight to Lisbon?

Accepted Answer

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $776. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Lisbon for around $864.

Question 16

What is the cheapest Boston Logan Intl to Lisbon Humberto Delgado flight route?

Accepted Answer

Fly from Boston Logan Intl to Lisbon Humberto Delgado for the best Boston Logan Intl - Lisbon Humberto Delgado flight prices

Question 17

What is the most punctual flight time for Boston to Lisbon flights?

Accepted Answer

Generally, flights departing in the evening tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Question 18

How many flights depart from Boston to Lisbon on average per day?

Accepted Answer

The number of flights available between Boston and Lisbon is 1 per day as of January 2026. The most frequent departure time is 10:00PM, with 100% of daily flights leaving in the evening.

Question 19

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

Question 20

What airlines fly to Lisbon?

Accepted Answer

TAP AIR PORTUGAL, Delta and Air France are the top three most popular airlines that fly to Lisbon from Boston according to our data. TAP AIR PORTUGAL is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 22 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

Question 21

When did momondo last update prices for flights from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport?

Accepted Answer

Prices for flights from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport were last updated today.

Question 22

How many operators does momondo search for flights from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport?

Accepted Answer

The number of operators available for flights from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport is 22 as of January 2026.

Question 23

How old do you have to be to fly from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Lisbon Humberto Delgado Airport.

Question 24

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

Accepted Answer

The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best Price Found	$333
Fastest flight time	6h 20m
Direct flights	Every day
Airports in Lisbon	1 airport

Airline	Rating	Free Cancellation	Price
Vueling	PriceFrom $78	Free Cancellation	Rating 7.1 1,237 reviews	Search Vueling flights
LEVEL	PriceFrom $225	Free Cancellation	Rating 0.0	Search LEVEL flights
Iberia	PriceFrom $272	Free Cancellation	Rating 7.0 3,098 reviews	Search Iberia flights
Azores Airlines	PriceFrom $311	Free Cancellation	Rating 7.4 90 reviews	Search Azores Airlines flights
PLAY	PriceFrom $328	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Icelandair	PriceFrom $370	Free Cancellation	Rating 7.1 603 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $385	Free Cancellation	Rating 7.3 1,669 reviews	Search Scandinavian Airlines flights
LEVEL	PriceFrom $405	Free Cancellation	Rating 0.0 0 reviews	Search LEVEL flights
American Airlines	PriceFrom $426	Free Cancellation	Rating 7.2 11,195 reviews	Search American Airlines flights
Aer Lingus	PriceFrom $437	Free Cancellation	Rating 7.2 1,442 reviews	Search Aer Lingus flights

Cheap flights from Boston to Lisbon from $293

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Lisbon departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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