CA $466 Cheap Flights from Boston (BOS) to Lisbon (LIS)

You can find cheap one-way flights from CA $466 and cheap return flights CA $668 BOS to LIS with Expedia. One-way flights typically cost between CA$645 and CA$4134, and return flights often range between CA$1023 and CA$7010. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when BOS to LIS ticket fares go up or down.

The cheapest months to fly from BOS to LIS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

There are 2 airlines offering direct flights from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado):
* TAP Portugal operates 14 direct flights from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado) every week.
* Delta operates 7 direct flights from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado) every week.

TAP Portugal is one of the cheapest airlines offering nonstop return flights from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado), with tickets starting from around CA$909 for flights that can be booked for departure within the next year. Austrian Airlines offers one of the cheapest connecting return flights from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado) with a layover in Vienna Intl. (VIE), starting from around CA$1096. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado) will differ from traveler to traveler. If you like to fly early, TAP Portugal offers early morning flights. If price is the most important factor, TAP Portugal typically offers the lowest fares. British Airways offers the most daily flights from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

When you're looking to fly from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado), you'll find approximately 3 nonstop flights per day. For even more choices, look at flights that include layovers, as there are around 141 connecting flights per day. Some common connection points include John F. Kennedy Intl. (JFK), Heathrow (LHR), and Frankfurt Intl. (FRA).

The earliest flight from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado) typically departs around 5:00 AM local time. This service is operated by American Airlines and TAP Portugal, and it's a seasonal service active in February. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll find the most flights from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado) on Fridays, with around 115 flights available. This gives you plenty of options to choose from. Major airlines on this route include American Airlines, Delta, and United.

The most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado) are in the late evening, from 9pm to midnight. Many major carriers, including TAP Portugal, Delta and Iberia, offer flights during this window. Many travelers prefer this timing because it allows you to make the most of your day in Boston before your flight, and you'll arrive in Lisbon in the morning, ready to start your day.

A nonstop flight from BOS to LIS typically takes around 6 hours 30 minutes, covering approximately 5,126 kilometers. Connecting flights on this route usually add 10 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

You can fly business class or first class between BOS and LIS. Airlines that offer business class service on this route include:

* TAP Portugal
* Swiss International Air Lines
* Iberia
* Lufthansa
* Air France
* LATAM Airlines Group
* SAS
* KLM
* Icelandair
* Copa
* Turkish Airlines
* Air Canada
* JetBlue Airways
* Aer Lingus
* British Airways
* Republic Airlines
* Virgin Atlantic
* Delta
* United
* Austrian Airlines
* Condor
* American Airlines

First class cabins are available on United.

It's easy to earn miles on a Boston, MA (BOS) to Lisbon (LIS) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Lisbon from Logan International Airport (BOS), you can fly directly into Humberto Delgado Airport (LIS). Some flights may connect through major hubs like John F. Kennedy International Airport (JFK), Newark Liberty International Airport (EWR), or O'Hare International Airport (ORD) before reaching Lisbon. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Boston, MA (BOS) to Lisbon (LIS) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Boston, MA (BOS) to Lisbon (LIS) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.