What is the cheapest month to book a flight from Burlington, Vermont to Porto?

Currently, January is the cheapest month in which you can book a flight from Burlington, Vermont to Porto (average of $523). Flying from Burlington, Vermont to Porto in June is currently the most expensive (average of $1,033). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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, Vermont 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.

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.

$884+ Flights from Burlington, VT to Porto

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Cheap flight deals from Burlington to Porto

Round-trip from	$884 (United Airlines)

From Burlington to Porto

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Find flight deals from Burlington to Porto

Cheapest flights from Burlington to Porto
Explore the most affordable flight options available from Burlington to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Sun 8/1710:11 amBTV - OPO

2 stops18h 34mUnited Airlines

Sun 8/2412:10 pmOPO - BTV

2 stops35h 42mUnited Airlines

Deal found 7/3

$884

Mon 11/172:15 pmBTV - OPO

2 stops16h 50mMultiple Airlines

Fri 11/2112:35 pmOPO - BTV

1 stop15h 10mMultiple Airlines

Deal found 7/1

$1,248

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 July 3, 2025.

Sun 8/1710:11 amBTV - OPO

2 stops18h 34mUnited Airlines

Sun 8/2412:10 pmOPO - BTV

2 stops35h 42mUnited Airlines

Deal found 7/3

$884

Mon 11/172:15 pmBTV - OPO

2 stops16h 50mMultiple Airlines

Fri 11/2112:35 pmOPO - BTV

1 stop15h 10mMultiple Airlines

Deal found 7/1

$1,248

Last-minute flights from Burlington to Porto
Discover last-minute flight deals from Burlington to Porto. Data last updated July 3, 2025 and is based on user searches.

Sun 8/1710:11 amBTV - OPO

2 stops18h 34mUnited Airlines

Sun 8/2412:10 pmOPO - BTV

2 stops35h 42mUnited Airlines

Deal found 7/3

$884

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Sun 8/17

10:11 am-9:45 am

2 stops18h 34m

Porto

Sun 8/24

12:10 pm-6:52 pm

2 stops35h 42m

$884

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Mon 11/17

2:15 pm-12:05 pm

2 stops16h 50m

Porto

Fri 11/21

12:35 pm-10:45 pm

1 stop15h 10m

$1,248

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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.

Reviews of airlines servicing Porto

Read reviews from past customers who have flown United Airlines from Burlington to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,861 reviews

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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.
What is the cheapest month to book a flight from Burlington, Vermont to Porto?
Currently, January is the cheapest month in which you can book a flight from Burlington, Vermont to Porto (average of $523). Flying from Burlington, Vermont to Porto in June is currently the most expensive (average of $1,033). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Aveiro

Coimbra

Matosinhos

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$884+ Cheap flights from Burlington, VT (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 8/17. 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

Round-trip from

Find flight deals from Burlington to Porto

Cheapest flights from Burlington to PortoExplore the most affordable flight options available from Burlington to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Burlington to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 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.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated July 3, 2025.

Read reviews from past customers who have flown United Airlines from Burlington to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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?

What is the cheapest month to book a flight from Burlington, Vermont to Porto?

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Cheapest flights from Burlington to Porto
Explore the most affordable flight options available from Burlington to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.