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Portugal

$419+ Cheap flights from Burlington, VT (BTV) to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — LIS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:30 am
BTV
-
LIS
1 stop23h 45m
United Airlines
Wed 3/45:00 am
LIS
-
BTV
2 stops23h 52m
United Airlines
Deal found 1/28$496
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:00 am
BTV
-
LIS
2 stops23h 15m
United Airlines
Thu 3/125:00 am
LIS
-
BTV
2 stops38h 02m
United Airlines
Deal found 1/27$500
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:30 am
BTV
-
LIS
2 stops21h 40m
United Airlines
Sat 3/712:20 pm
LIS
-
BTV
2 stops39h 24m
United Airlines
Deal found 1/27$608
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/224:50 pm
BTV
-
LIS
2 stops35h 30m
United Airlines
Sun 3/15:00 am
LIS
-
BTV
2 stops23h 59m
United Airlines
Deal found 1/27$685
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/66:12 am
BTV
-
LIS
2 stops20h 58m
United Airlines
Tue 2/105:00 am
LIS
-
BTV
2 stops21h 29m
United Airlines
Deal found 1/28$703
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:29 pm
BTV
-
OPO
2 stops35h 11m
United Airlines
Mon 2/96:00 am
OPO
-
BTV
2 stops44h 29m
United Airlines
Deal found 1/26$745
This KLM deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:47 am
BTV
-
LIS
1 stop20h 13m
KLM
Thu 2/511:25 am
LIS
-
BTV
2 stops17h 37m
KLM
Deal found 1/27$752

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$496
(United Airlines)

One-way from

$419
(Delta)

Popular in

May

Cheapest in

November

Average price

$895
Provider with most accurate pricing for Burlington-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Burlington-Lisbon Humberto Delgado flights.
Search Deals
From Burlington to Portugal
Search Deals
One-way flight from Burlington to Portugal
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($140 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Burlington to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Burlington to Portugal that are best for you.

Fly from

Burlington

Fly to

Portugal

Route

Depart

Return

Price

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Wed 2/25

5:30 am-10:15 am

1 stop23h 45m

Lisbon Humberto Delgado

Wed 3/4

5:00 am-11:52 pm

2 stops23h 52m

$496

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Wed 3/4

5:30 am-10:15 am

1 stop23h 45m

Lisbon Humberto Delgado

Thu 3/12

5:00 am-11:44 pm

2 stops22h 44m

$496

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sat 2/28

5:30 am-8:10 am

2 stops21h 40m

Lisbon Humberto Delgado

Sat 3/7

12:20 pm-10:44 pm

2 stops39h 24m

$608

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sun 2/22

4:50 pm-9:20 am

2 stops35h 30m

Lisbon Humberto Delgado

Sun 3/1

5:00 am-11:59 pm

2 stops23h 59m

$685

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sun 2/22

6:00 pm-9:05 am

1 stop10h 05m

Lisbon Humberto Delgado

Sun 3/1

11:05 am-10:18 am

1 stop28h 13m

$820

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sat 2/28

7:10 am-8:00 am

2 stops19h 50m

$419

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sat 2/28

11:13 am-10:50 pm

3 stops54h 37m

$701

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated January 29, 2026.
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
9,215 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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?

    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, Vermont to Portugal?

    Departing from Burlington, Vermont to Portugal will take you 23h 45m. There are 3243 mi between Burlington, Vermont and Portugal.

  • 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

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Alternative routes for Burlington to Portugal

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Top airline flying from Burlington to Portugal

Discover the top airline that operate flights from Burlington to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$614Average$929FlexibilityNo cancel feeOn-time69%

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