Boston (BOS) → Lisbon (LIS)

5,125 km
6h 54m flight
From $590
Lisbon destination photo

About Boston to Lisbon Flights

Discover the best flights from Boston to Lisbon, covering 5,125 km in approximately 6h 54m. Boston (BOS) to Lisbon (LIS) is one of the major long-haul routes connecting United States and Portugal. With 7 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Boston to Lisbon.

12-Month Price History

Flight prices from Boston to Lisbon vary significantly throughout the year. February typically offers the best deals with average prices around $937, while August sees the highest prices, averaging $1506. Savvy travelers can save up to 38% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

August

Peak season pricing

Book in Advance

134 days

For best prices

Booking Tips

For the best prices on Boston to Lisbon flights, we recommend booking 133 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

United Airlines

UA

Economy

$1360

Business

$5870

First

$8400

JetBlue Airways

B6

Economy

$1480

Business

$3450

First

-

Portugália Airlines

NI

Economy

$1540

Business

$5400

First

$9550

Portugália Airlines

PGA

Economy

$1580

Business

$5630

First

$8050

TAP Air Portugal

TP

Economy

$1650

Business

$6340

First

$8780

Delta Air Lines

DL

Economy

$1650

Business

$5470

First

$9150

American Airlines

AA

Economy

$1660

Business

$4830

First

$8780

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

Lisbon destination photo

HartfordLisbon

Bradley International (BDL) to Lisbon (LIS)

Distance: 5,271 km

Average price: $1158

View this route →
Lisbon destination photo

PortlandLisbon

Portland International Jetport (PWM) to Lisbon (LIS)

Distance: 5,029 km

Average price: $1111

View this route →

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Frequently Asked Questions

How long is the flight from Boston to Lisbon?

The flight time from Boston (BOS) to Lisbon (LIS) is approximately 6 hours and 54 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Boston and Lisbon?

The aerial distance between Boston and Lisbon is 5,125 kilometers (3,185 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Boston to Lisbon?

Several airlines operate flights between Boston and Lisbon, including Delta Air Lines, JetBlue Airways, TAP Air Portugal and 4 more airlines. Direct flights are available on this route.

What is the cheapest month to fly from Boston to Lisbon?

Based on historical data, February typically offers the lowest airfares for flights from Boston to Lisbon. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

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

For the best prices on Boston to Lisbon flights, we recommend booking 178 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Boston to Lisbon?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Portugal should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Boston and Lisbon?

Boston operates on America/New_York time zone, while Lisbon is in the Europe/Lisbon time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.