$328 Cheap Flights from Burlington (BTV) to Lisbon (LIS)

You can find cheap one-way flights from $328 and cheap return flights $708 Burlington, VT (BTV-Burlington Intl.) to Lisbon (LIS-Humberto Delgado) with Expedia. One-way flights typically cost between $475 and $2689, and return flights often range between $608 and $4395. 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 Burlington, VT (BTV-Burlington Intl.) to Lisbon (LIS-Humberto Delgado) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

The cheapest month to fly from BTV to LIS is December 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're able to. Use the calendar view in your search to see which months have low fares on this route.

Enter BTV to LIS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

KLM is one of the cheapest airlines offering connecting flights from Burlington, VT (BTV) to Lisbon (LIS), with round-trip tickets starting from around $567 with a layover in Detroit Metropolitan Wayne County (DTW). 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.

*Prices based on flights available on Expedia in the last year.

To find a cheap flight from Burlington, VT (BTV-Burlington 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 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.

The earliest flight from Burlington, VT (Burlington Intl.) to Lisbon (Humberto Delgado) typically departs at around 5:10 AM, operated by Delta and Air France. This seasonal service is available in March, allowing you to start your European journey early. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

The most popular departure times for flights from Burlington International Airport (BTV) to Humberto Delgado Airport (LIS) are in the afternoon, from 3pm to 6pm. About 31% of passengers prefer this time window. Many major carriers, including United Airlines, American Airlines, and Delta Airlines, offer flights during this window. This timing works well because it allows you to travel during the day and arrive in Lisbon in the evening, ready to explore.

Flying from BTV to LIS with a connection usually takes about 12 hours 20 minutes, traveling roughly 3,246 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

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

• American Airlines
• United Airlines
• Delta Air Lines

It's easy to earn miles on a Burlington, VT (BTV-Burlington Intl.) to Lisbon (LIS-Humberto Delgado) 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.

From Burlington Intl. (BTV), you can fly into Humberto Delgado (LIS) to reach Lisbon. Some flights may connect through major hubs like Liberty Intl. (EWR), Washington Dulles Intl. (IAD), Philadelphia Intl. (PHL) 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 Burlington, VT (BTV-Burlington Intl.) to Lisbon (LIS-Humberto Delgado) 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 Burlington, VT (BTV-Burlington Intl.) to Lisbon (LIS-Humberto Delgado) Lisbon Vacation Packages 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 Burlington, VT (BTV-Burlington 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.