Are there direct flights from Boston to Lisbon?

Yes, direct flights from Boston to Lisbon are available. Historically, approximately 15.2% of all flights on this route have been direct. For flights that include stopovers, travelers typically experience a median of 2 stopovers when connecting between these two cities.

How long does it take to fly from Boston to Lisbon?

The typical direct flight from Boston to Lisbon has a median duration of 6 hours and 35 minutes. For flights with one stop, the median travel time is considerably longer, averaging 13 hours and 20 minutes. The air distance covered on this route is approximately 5125 kilometers.

Are non-stop flights from Boston to Lisbon worth the extra cost?

Historically, non-stop flights from Boston to Lisbon have been about 9% more expensive than connecting flights. The median price for a direct flight was $761, while connecting flights had a median price of $699. Direct flights accounted for 20.3% of the available options across the trailing 90 days.

Flights From Boston

To Lisbon

Cheap Flights from Boston to Lisbon

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Deals from

Boston

RatePunk searches hundreds of travel sites at once for deals on flights to Lisbon

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Boston to Lisbon

Explore current cheapest deals departing from Boston to Lisbon

2026-10-03 – 2026-10-29
BOS - Lisbon
93% AI deal score
$724
$441
Round trip
2026-10-12 – 2026-10-29
BOS - Lisbon
93% AI deal score
$743
$446
Round trip
2026-10-18 – 2026-10-20
BOS - Lisbon
87% AI deal score
$828
$524
Round trip
2026-10-18 – 2026-10-21
BOS - Lisbon
87% AI deal score
$830
$525
Round trip
2026-10-18 – 2026-10-22
BOS - Lisbon
85% AI deal score
$830
$540
Round trip
2026-12-12 – 2026-12-22
BOS - Lisbon
93% AI deal score
$940
$542
Round trip
2026-10-21 – 2026-10-29
BOS - Lisbon
91% AI deal score
$793
$543
Round trip
2026-10-12 – 2026-10-17
BOS - Lisbon
89% AI deal score
$820
$546
Round trip
2026-09-21 – 2026-09-25
BOS - Lisbon
92% AI deal score
$919
$551
Round trip
2026-09-14 – 2026-09-18
BOS - Lisbon
92% AI deal score
$921
$551
Round trip

Boston to Lisbon: Overview

Insights for flights from Boston to Lisbon

For flights from Boston to Lisbon, fares typically range from $558–$1080, with a median of $881 over a 90-day period. Right now, current fares are above the typical level. Only about 8% of recent fares were classified as a good price, indicating that finding cheap flights from Boston to Lisbon may require some flexibility. New deals appear almost daily, so setting up a price alert can help you track fare changes.

When considering the cheapest time to fly from Boston to Lisbon, February stands out with a median fare of $400. Following closely, November offers a median fare of $437, and December presents a median of $441. These months offer significantly lower prices compared to the overall median, making them opportune times for budget-conscious travelers.

A typical journey from Boston to Lisbon takes about 18h 20m, including connections. This is a long-haul route covering a distance of 5125 km. Most itineraries connect at least once, with the median number of stopovers for connecting flights being 2. Only 15.2% of recent fares were for direct flights from Boston to Lisbon, meaning the majority of travelers will experience at least one stop on their trip.

How much is a round trip from Boston to Lisbon

Regular price: $546 - $1,098

Prices are currently below the regular range.

Regular prices for flights from Boston to Lisbon typically range from $546 to $1098. The current lowest deal is $503 with SATA International for travel from Nov 6-Nov 10.

now $503

Low $546

High $1,098

The cheapest time to fly from Boston to Lisbon

The cheapest month to fly from Boston to Lisbon is February, with a median price of $400. The most expensive month is August, with a median price of $927. Prices are generally lower from February to December.

February

Cheapest

Flights from $400

August

Most Expensive

Flights from $927

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Boston to Lisbon

TAP Portugal

Last-minute flights going from Boston to Lisbon

Sat, Sep 5

⌛ Last-Minute

BOS - Lisbon

Boston (BOS) - Lisbon (LIS)

TAP Portugal

$787

$583

One-way

Sun, Sep 6

⌛ Last-Minute

BOS - Lisbon

Boston (BOS) - Lisbon (LIS)

TAP Portugal

$836

$583

One-way

Sun, Sep 6

⌛ Last-Minute

BOS - Lisbon

Boston (BOS) - Lisbon (LIS)

TAP Portugal

$787

$584

One-way

Sun, Sep 6

⌛ Last-Minute

BOS - Lisbon

Boston (BOS) - Lisbon (LIS)

Icelandair

$817

$591

One-way

Mon, Sep 7

⌛ Last-Minute

BOS - Lisbon

Boston (BOS) - Lisbon (LIS)

TAP Portugal

$768

$581

One-way

Mon, Sep 7

⌛ Last-Minute

BOS - Lisbon

Boston (BOS) - Lisbon (LIS)

TAP Portugal

$836

$583

One-way

Biggest price drops on these dates for flights from Boston to Lisbon

5 nights

Dec 9 - Dec 14

$966 → $548

43%

10 nights

Dec 12 - Dec 22

$944 → $539

43%

4 nights

Sep 21 - Sep 25

$921 → $554

40%

4 nights

Dec 9 - Dec 13

$938 → $581

38%

Popular Airports to fly from Boston to Lisbon

Boston - Lisbon route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares from Boston to Lisbon are above the typical level, with 8% good prices historically.

📅 Best time to fly

Fly in February for the best prices.

Historically, February is the cheapest month to fly from Boston to Lisbon, with a median price of $400.

⏱️ Flight duration

Flights are typically 18h 20m long.

The median flight duration from Boston to Lisbon is 18 hours and 20 minutes.

✈️ Airlines & availability

Connecting flights are dominant for this route.

Only 15.2% of recent flights from Boston to Lisbon are direct, with connecting flights having 2 stopovers.

🏆 Airline highlight

SATA International offers a recent deal for $503.

A recent deal from Boston to Lisbon on SATA International was found for $503 via Skyscanner.

🎯 Booking tip

Deals are frequent for this route.

Historically, deals for flights from Boston to Lisbon are frequent, appearing within a 30-day window.

Boston main airports to depart from

Logan International (BOS)

Cheapest

Boston Logan International Airport is a convenient departure point for flights to Lisbon.

📍 ~5 km from Boston city center (reachable by car or public transport)

💸 Flights from ~$405

Lisbon main airports to arrive at

Lisbon Portela (LIS)

Cheapest

Lisbon Portela Airport is a primary gateway for travelers flying to Lisbon from Boston.

📍 ~7 km from city center (reachable by car)

💸 Flights from ~$405

Airports nearby Lisbon used as alternative

Porto (OPO)

Cheapest

Porto Airport is a major international hub with extensive connectivity, useful if flights to Lisbon are unavailable or overpriced.

📍 ~275 km from Lisbon city center (reachable by high-speed rail and motorway, ~3 hours travel time)

💸 Flights from ~$554

Business & First Class Flight Deals to Lisbon

93% AI deal score

$2,713

$1,669

Save $1,044

Frequently Asked Questions About Flights to Lisbon

Historically, the optimal booking window for flights from Boston to Lisbon is typically 14-27 days before departure. Within this period, the average price observed was $612. Booking within 0-6 days of departure saw average prices rise to $718, while booking 7-13 days out resulted in an average price of $970. Prices generally increased for bookings made 60+ days in advance, averaging $837.

A flight from Boston to Lisbon is generally considered a good deal if the price is at or below $558. This threshold is based on historical data from the trailing 90 days, representing the 25th percentile of prices observed. The median price for this route across the trailing quarter was $881, with prices at the 75th percentile reaching $1080.

Based on historical data, the cheapest months to fly from Boston to Lisbon typically include February, November, and December. February historically shows a median price of $400, while November and December have median prices of $437 and $441, respectively. The annual median price for this route is $881, indicating significant savings during these months.

Boston to Lisbon: Overview

Insights for flights from Boston to Lisbon

How much is a round trip from Boston to Lisbon

Regular price: $546 - $1,098

Prices are currently below the regular range.

Regular prices for flights from Boston to Lisbon typically range from $546 to $1098. The current lowest deal is $503 with SATA International for travel from Nov 6-Nov 10.

now $503

Low $546

High $1,098

The cheapest time to fly from Boston to Lisbon

February

Cheapest

Flights from $400

August

Most Expensive

Flights from $927

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec