Find cheap airlines flights from Boston to Lisbon

You can choose from 3 airlines that fly from Boston to Lisbon, including TAP Air Portugal, Azores Airlines, and Virgin Atlantic. TAP Air Portugal has lowest fares on this route.
TAP Air Portugal logo TAP Air Portugal
Azores Airlines logo Azores Airlines
Virgin Atlantic logo Virgin Atlantic
Airlines are determined based on actual purchased flight tickets from Boston to Lisbon according to previous 12 months data from Trip.com.

Book direct flights from Boston to Lisbon: One way flights from $306, round trip flights from $502. Find flight deals for the next 3 months below.

Displayed flight fares from Boston to Lisbon are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Boston to Lisbon

The distance between Boston and Lisbon is approximately 5,124.07 km. It takes around 6 hours 30 minutes on average to fly from Boston to Lisbon. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price$227
Cheapest round-trip ticket price$444
Off-season for travelNovember
Peak season for travelJuly
Flight distance5,124.07 km
Average flight time6 hours 30 minutes
Popular airlineTAP Air Portugal
Flight statistics for the Boston–Lisbon route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Boston to Lisbon

Which month has the cheapest one-way flights from Boston to Lisbon?

The average price of one-way flights from Boston to Lisbon purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Boston to Lisbon is Feb, with an average price of $294; while the month with the highest flight price is usually May, with an average price of up to $968.

$968
$631
$294
0
  • $294
    Feb
  • $337
    Mar
  • $409
    Apr
  • $968
    May
  • $810
    Jun
  • $420
    Jul
  • $410
    Aug
  • $509
    Sep
  • $377
    Oct
  • $337
    Nov
  • $718
    Dec
  • $400
    Jan

What's the cheapest day to fly from Boston to Lisbon?

Data is based on the average flight price for each day of the week from Boston to Lisbon on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Boston to Lisbon is Thu, with average prices lower than on other days. Avoid Fri, as prices are usually highest then.

$631
$498
$365
$232
    Cheapest
  • $456
    Mon
  • $374
    Tue
  • $551
    Wed
  • $365
    Thu
  • $631
    Fri
  • $567
    Sat
  • $423
    Sun

Frequently Asked Questions

  • What are the cheapest flights from Boston to Lisbon (BOS-LIS)?

    Based on Trip.com data, Level offers one-way fares as low as $227 on Cheapest nonstop routes (e.g. BOS to LIS on Tue, Mar 10), while TAP Air Portugal offers Cheapest nonstop round-trips from $444 departing on Sun, Apr 5 and returning on Sun, Apr 12.
  • At the moment, you can catch a nonstop flight from Boston to Lisbon with the following airlines, including: TAP Air Portugal Virgin Atlantic Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 6 hours 30 minutes to fly from Boston (BOS) to Lisbon (LIS).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to Lisbon is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 9 flight per week flying from Boston to Lisbon. You can check the weekly schedule for popular airlines on this route below: TAP Air Portugal: -/-/-/W/T/-/S -- TP216 (23:07) TAP Air Portugal: S/M/T/-/T/F/S -- TP218 (18:38)
  • To find best deals on flights from Boston to Lisbon, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Mar 10, with one-way flights priced at just $227.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is TAP Air Portugal.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Lisbon travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Boston to Lisbon is November, when demand for travel is lower.
  • After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Boston to Lisbon on February 28, 2026 with Icelandair, with prices starting at $386.
  • You can land at any one of the following hubs in Lisbon, with Logan International Airport to Humberto Delgado Airport (BOS-LIS) is by far the most common option on this route: Humberto Delgado Airport (LIS).
  • The time difference between Lisbon and Boston is 5h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com airline insights on flights from Boston to Lisbon

Which airlines offer the cheapest nonstop flights from Boston to Lisbon?

Data is based on the average price of all nonstop flights from Boston to Lisbon on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, Azores Airlines offers the cheapest nonstop flights from Boston to Lisbon, with an average price of $370.

$370
$741
$1,111
$1,481
Azores Airlines
$370
Azores Airlines
Air Canada
$434
Air Canada
Virgin Atlantic
$502
Virgin Atlantic
Jetblue Airways
$591
Jetblue Airways
TAP Air Portugal
$675
TAP Air Portugal
Delta Air Lines
$1,481
Delta Air Lines

Which airlines operate the most flights from Boston to Lisbon?

Data is based on the number of flights from Boston to Lisbon operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, TAP Air Portugal operates the most flights from Boston to Lisbon, with 10 flight per week.

0
3
7
10
TAP Air Portugal
10
TAP Air Portugal
Jetblue Airways
10
Jetblue Airways
Emirates
3
Emirates

How many flights are there each day from Boston to Lisbon?

Data is based on the number of flights from Boston to Lisbon for each day of the week on Trip.com over the last month.

Based on Trip.com data from the past month, the most flights from Boston to Lisbon depart on Saturday, and the fewest flights depart on Monday.

22
14
6
0
Highest
6
Mon
6
Tue
6
Wed
17
Thu
19
Fri
22
Sat
16
Sun