How long is the flight from Burlington to Porto?

Airlines like United Airlines fly from Burlington to Porto in about 23h 15m. The time it takes to get you to your destination can typically vary by up to . There are 3185 mi between Burlington and Porto.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What is the cheapest time of day to fly from BTV to OPO?

When flying from Burlington to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Burlington-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Burlington-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Burlington-Porto flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Burlington-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Burlington-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Burlington to Porto that include hotel bookings?

Yes. In addition to deals on Burlington to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Burlington to Porto?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Burlington to Porto.

Can I find deals for business class flights from Burlington to Porto?

Yes. Cheapflights offers flight deals from Burlington to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$727+ Flights from Burlington to Porto

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Burlington to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Burlington to Porto

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$727 (United Airlines)

Provider with most accurate pricing for Burlington-Porto flight deals.

Search Deals

Provider most trusted by Cheapflights users for Burlington-Porto flights.

Search Deals

From Burlington to Porto

Search Deals

Find flight deals from Burlington to Porto

Best flights from Burlington to Porto
Discover carefully curated flight deals from Burlington to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

Fri 3/276:15 amBTV - OPO

2 stops23h 15mUnited Airlines

Tue 3/3112:00 pmOPO - BTV

2 stops16h 45mUnited Airlines

Deal found 10/25

$727

Fly from

Fly to

Route

Depart

Return

Price

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Fri 3/27

6:15 am-9:30 am

2 stops23h 15m

Porto

Tue 3/31

12:00 pm-11:45 pm

2 stops16h 45m

$727

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Most accurate provider: When it comes to deals on Burlington-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Burlington-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Burlington-Porto flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Burlington-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Burlington-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Burlington to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Burlington with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Burlington to Porto?
Airlines like United Airlines fly from Burlington to Porto in about 23h 15m. The time it takes to get you to your destination can typically vary by up to . There are 3185 mi between Burlington and Porto.
Can I find deals for flights from Burlington to Porto that include hotel bookings?
Yes. In addition to deals on Burlington to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Burlington to Porto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Burlington to Porto.
Can I find deals for business class flights from Burlington to Porto?
Yes. Cheapflights offers flight deals from Burlington to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Aveiro

Arcos de Valdevez

Coimbra

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Burlington to Porto

Hartford to Lisbon flights

Albany to Lisbon flights

Burlington to Lisbon flights

Hartford to Porto flights

Hartford to Ponta Delgada flights

Albany to Porto flights

Hartford to Lajes flights

Other flights to Porto

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$727+ Cheap flights from Burlington (BTV) to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Burlington to Porto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Burlington to Porto

Most accurate provider

Most trusted provider

Round-trip from

Find flight deals from Burlington to Porto

Best flights from Burlington to PortoDiscover carefully curated flight deals from Burlington to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

Discover carefully curated flight deals from Burlington to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Burlington to Porto that are best for you.

Best time to book a flight from Burlington to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Burlington with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Burlington to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Burlington to Porto?

Can I find deals for flights from Burlington to Porto that include hotel bookings?

How can I find direct flights from Burlington to Porto?

Can I find deals for business class flights from Burlington to Porto?

Traveling to a place near Porto?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Burlington to Porto

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Best flights from Burlington to Porto
Discover carefully curated flight deals from Burlington to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.