Find cheap airlines flights from Lisbon to Boston

You can choose from 4 airlines that fly from Lisbon to Boston, including Azores Airlines, TAP Air Portugal, and Turkish Airlines. TAP Air Portugal has lowest fares on this route.
Azores Airlines logo Azores Airlines
TAP Air Portugal logo TAP Air Portugal
Turkish Airlines logo Turkish Airlines
Air Europa logo Air Europa
Airlines are determined based on actual purchased flight tickets from Lisbon to Boston according to previous 12 months data from Trip.com.

Book direct flights from Lisbon to Boston: One way flights from $473, round trip flights from $485. Find flight deals for the next 3 months below.

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

Flight Info | Lisbon to Boston

The distance between Lisbon and Boston is approximately 5,124.07 km. It takes around 7 hours 48 minutes on average to fly from Lisbon to Boston. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price$300
Cheapest round-trip ticket price$485
Off-season for travelNovember
Peak season for travelJuly
Flight distance5,124.07 km
Average flight time7 hours 48 minutes
Popular airlineAzores Airlines
Flight statistics for the Lisbon–Boston route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Lisbon to Boston

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

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

Based on Trip.com’s data, the cheapest month for flights from Lisbon to Boston is May, with an average price of $442; while the month with the highest flight price is usually August, with an average price of up to $840.

$840
$641
$442
$243
    Cheapest
  • $531
    Apr
  • $442
    May
  • $462
    Jun
  • $760
    Jul
  • $840
    Aug
  • $534
    Sep
  • $484
    Oct
  • $529
    Nov
  • $512
    Dec
  • $621
    Jan
  • $492
    Feb
  • $781
    Mar

Frequently Asked Questions

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

    Based on Trip.com data, Ryanair offers one-way fares as low as $300 on Cheapest nonstop routes (e.g. LIS to BOS on Tue, Apr 28), while TAP Air Portugal offers Cheapest nonstop round-trips from $485 departing on Thu, Apr 30 and returning on Sat, May 2.
  • At the moment, you can catch a nonstop flight from Lisbon to Boston with the following airlines, including: TAP Air Portugal Air Europa Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 7 hours 48 minutes to fly from Lisbon (LIS) to Boston (BOS).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Lisbon to Boston 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 20 flight per week flying from Lisbon to Boston. You can check the weekly schedule for popular airlines on this route below: TAP Air Portugal: S/M/T/W/T/F/S -- TP217 (12:38)
  • To find best deals on flights from Lisbon to Boston, 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, Apr 28, with one-way flights priced at just $300.
    · 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 Boston travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Lisbon to Boston is November, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Lisbon to Boston on April 20, 2026 with Ryanair, with prices starting at $290.
  • You can land at any one of the following hubs in Boston, with Humberto Delgado Airport to Boston Logan International Airport (LIS-BOS) is by far the most common option on this route: Boston Logan International Airport (BOS) Hartford Barnes Airport (BNH) Portsmouth International Airport (PSM).
  • The time difference between Boston and Lisbon 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.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.