How long is the flight from Burlington to Portugal?

A quick flight from Burlington to Portugal can take about 11h 07m. United Airlines provides one of the quickest options available for as low as $769. Airlines will cover a distance of 3243 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What airport do you fly from for flights from Burlington to Portugal?

Burlington (BTV) is the airport you will fly out of if you book a flight from Burlington to Portugal. It is only a 3.0 mi journey to Burlington (BTV) from Burlington’s city center.

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

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

How can I find direct flights from Burlington to Portugal?

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

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

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

$506+ Flights from Burlington to Portugal

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Cheap flight deals from Burlington to Portugal

Cheapest flights from Burlington to Portugal
Explore the most affordable flight options available from Burlington to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

mié. 12/316:15 amBTV - LIS

1 stop21h 25mKLM

mar. 1/611:25 amLIS - BTV

2 stops17h 37mKLM

Deal found 12/15

$1,186

mié. 12/316:15 amBTV - LIS

2 stops27h 20mDelta

mar. 1/611:25 amLIS - BTV

2 stops17h 37mDelta

Deal found 12/15

$1,191

Best flights from Burlington to Portugal
Discover carefully curated flight deals from Burlington to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 16, 2025.

vie. 1/306:12 amBTV - OPO

2 stops24h 28mUnited Airlines

mar. 2/36:00 amOPO - BTV

2 stops20h 29mUnited Airlines

Deal found 12/14

$506

vie. 3/202:28 pmBTV - OPO

2 stops16h 02mMultiple Airlines

jue. 3/2611:20 amOPO - BTV

2 stops15h 43mMultiple Airlines

Deal found 12/16

$599

mar. 1/64:58 pmBTV - LIS

1 stop11h 07mBritish Airways

mar. 1/1311:05 amLIS - BTV

1 stop16h 53mBritish Airways

Deal found 12/15

$769

mar. 1/64:58 pmBTV - LIS

1 stop11h 07mAmerican Airlines

mar. 1/1311:05 amLIS - BTV

2 stops17h 51mAmerican Airlines

Deal found 12/15

$776

vie. 4/176:30 amBTV - LIS

1 stop20h 30mKLM

lun. 4/2710:00 amLIS - BTV

1 stop19h 04mKLM

Deal found 12/16

$992

vie. 2/66:12 amBTV - LIS

2 stops20h 58mUnited Airlines

mar. 2/105:00 amLIS - BTV

2 stops21h 29mUnited Airlines

Deal found 12/15

$586

mar. 1/67:29 pmBTV - LIS

2 stops32h 51mUnited Airlines

mar. 1/1310:15 amLIS - BTV

2 stops13h 39mUnited Airlines

Deal found 12/15

$626

vie. 4/176:30 amBTV - LIS

1 stop20h 30mMultiple Airlines

lun. 4/279:50 amLIS - BTV

2 stops18h 12mMultiple Airlines

Deal found 12/16

$746

vie. 2/65:04 pmBTV - LIS

1 stop10h 46mBritish Airways

mar. 2/1011:05 amLIS - BTV

1 stop16h 53mBritish Airways

Deal found 12/15

$861

vie. 4/171:25 pmBTV - LIS

1 stop14h 40mAmerican Airlines

sáb. 4/257:10 amLIS - BTV

2 stops20h 16mAmerican Airlines

Deal found 12/16

$1,054

vie. 4/172:35 pmBTV - LIS

2 stops16h 15mUnited Airlines

lun. 4/275:05 amLIS - BTV

2 stops33h 55mUnited Airlines

Deal found 12/16

$994

vie. 4/176:30 amBTV - LIS

1 stop20h 30mMultiple Airlines

sáb. 4/259:50 amLIS - BTV

2 stops18h 12mMultiple Airlines

Deal found 12/15

$1,129

vie. 3/202:35 pmBTV - OPO

2 stops14h 55mUnited Airlines

jue. 3/2612:35 pmOPO - BTV

1 stop11h 36mUnited Airlines

Deal found 12/16

$1,362

lun. 4/67:00 pmBTV - OPO

1 stop9h 45mUnited Airlines

sáb. 4/116:00 amOPO - BTV

2 stops22h 53mUnited Airlines

Deal found 12/15

$1,555

Last-minute flights from Burlington to Portugal
Discover last-minute flight deals from Burlington to Portugal. Data last updated diciembre 16, 2025 and is based on user searches.

mié. 12/316:15 amBTV - LIS

1 stop21h 25mKLM

mar. 1/611:25 amLIS - BTV

2 stops17h 37mKLM

Deal found 12/15

$1,186

mié. 12/316:15 amBTV - LIS

2 stops27h 20mDelta

mar. 1/611:25 amLIS - BTV

2 stops17h 37mDelta

Deal found 12/15

$1,191

mar. 1/67:29 pmBTV - LIS

2 stops32h 51mUnited Airlines

mar. 1/1310:15 amLIS - BTV

2 stops13h 39mUnited Airlines

Deal found 12/15

$626

mar. 1/64:58 pmBTV - LIS

1 stop11h 07mBritish Airways

mar. 1/1311:05 amLIS - BTV

1 stop16h 53mBritish Airways

Deal found 12/15

$769

mar. 1/64:58 pmBTV - LIS

1 stop11h 07mAmerican Airlines

mar. 1/1311:05 amLIS - BTV

2 stops17h 51mAmerican Airlines

Deal found 12/15

$776

mar. 1/610:12 amBTV - LIS

3 stops18h 08mMultiple Airlines

mar. 1/1311:20 amLIS - BTV

2 stops31h 07mMultiple Airlines

Deal found 12/15

$1,590

vie. 1/306:12 amBTV - OPO

2 stops24h 28mUnited Airlines

mar. 2/36:00 amOPO - BTV

2 stops20h 29mUnited Airlines

Deal found 12/14

$506

Find flight deals from Burlington to Portugal

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$506 (United Airlines)
Popular in	December
Cheapest in	November
Average price	$1,358

Provider with most accurate pricing for Burlington-Lisbon Humberto Delgado flight deals.

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Provider most trusted by Cheapflights users for Burlington-Lisbon Humberto Delgado flights.

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From Burlington to Portugal

Search Deals

High demand for flights, 3% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

vie. 1/30

6:12 am-11:40 am

2 stops24h 28m

Porto

mar. 2/3

6:00 am-9:29 pm

2 stops20h 29m

$506

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

vie. 2/6

6:12 am-8:10 am

2 stops20h 58m

Lisbon Humberto Delgado

mar. 2/10

5:00 am-9:29 pm

2 stops21h 29m

$586

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

vie. 3/20

2:28 pm-10:30 am

2 stops16h 02m

Porto

jue. 3/26

11:20 am-11:03 pm

2 stops15h 43m

$599

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

mar. 1/6

7:29 pm-9:20 am

2 stops32h 51m

Lisbon Humberto Delgado

mar. 1/13

10:15 am-6:54 pm

2 stops13h 39m

$626

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

vie. 4/17

6:30 am-8:00 am

1 stop20h 30m

Lisbon Humberto Delgado

lun. 4/27

9:50 am-11:02 pm

2 stops18h 12m

$746

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

mar. 1/6

4:58 pm-9:05 am

1 stop11h 07m

Lisbon Humberto Delgado

mar. 1/13

11:05 am-10:58 pm

1 stop16h 53m

$769

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

mar. 1/6

4:58 pm-9:05 am

1 stop11h 07m

Lisbon Humberto Delgado

mar. 1/13

11:05 am-11:56 pm

2 stops17h 51m

$776

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

vie. 2/6

5:04 pm-8:50 am

1 stop10h 46m

Lisbon Humberto Delgado

mar. 2/10

11:05 am-10:58 pm

1 stop16h 53m

$861

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

vie. 4/17

6:30 am-8:00 am

1 stop20h 30m

Lisbon Humberto Delgado

lun. 4/27

10:00 am-12:04 am

1 stop19h 04m

$992

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

vie. 4/17

2:35 pm-11:50 am

2 stops16h 15m

Lisbon Humberto Delgado

lun. 4/27

5:05 am-10:00 am

2 stops33h 55m

$994

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 14 results

Best time to book a flight from Burlington to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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.

Cheapflights Insights

Everything you need to know about your flight from Burlington to Portugal

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

It’s optimal to fly from Burlington to Portugal in the afternoon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Portugal

Read through reviews of airlines operating flights from Burlington to Portugal, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,092 reviews

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

What airport do you fly from for flights from Burlington to Portugal?
Burlington (BTV) is the airport you will fly out of if you book a flight from Burlington to Portugal. It is only a 3.0 mi journey to Burlington (BTV) from Burlington’s city center.
How long is the flight from Burlington to Portugal?
A quick flight from Burlington to Portugal can take about 11h 07m. United Airlines provides one of the quickest options available for as low as $769. Airlines will cover a distance of 3243 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
Can I find deals for flights from Burlington to Portugal that include hotel bookings?
Yes. In addition to deals on Burlington to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Burlington to Portugal?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Burlington to Portugal.
Can I find deals for business class flights from Burlington to Portugal?
Yes. Cheapflights offers flight deals from Burlington to Portugal 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Burlington to Portugal

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Complete your trip

Portugal car rentals

Madeira car rentals

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Porto Airport car rentals

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Faro car rentals

Top airline flying from Burlington to Portugal

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$642	Average$827	FlexibilityNo cancel fee	On-time69%

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$506+ Cheap flights from Burlington (BTV) to Portugal

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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Burlington to Portugal 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 Portugal

Cheapest flights from Burlington to PortugalExplore the most affordable flight options available from Burlington to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

Explore the most affordable flight options available from Burlington to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

Find flight deals from Burlington to Portugal

Keep the following information in mind while searching for Burlington to Portugal flight deals. Data was last updated diciembre 16, 2025.

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Burlington to Portugal

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

Cheapflights Insights

Everything you need to know about your flight from Burlington to Portugal

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

Find hourly flight availability from Burlington to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 16, 2025.

Reviews of airlines servicing Portugal

Read through reviews of airlines operating flights from Burlington to Portugal, such as United Airlines. Reviews also offer insight into each airline's 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 Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Burlington to Portugal?

How long is the flight from Burlington to Portugal?

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

How can I find direct flights from Burlington to Portugal?

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

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 Portugal

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

Top airline flying from Burlington to Portugal

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Burlington to Portugal
Explore the most affordable flight options available from Burlington to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.