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Portugal

$624+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — LIS
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
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 March 22, 2026.

This United Airlines deal was found by Cheapflights users on 3/19. 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.
Mon 11/165:45 pm
BTV
-
OPO
1 stop10h 45m
United Airlines
Fri 11/206:00 am
OPO
-
BTV
2 stops15h 55m
United Airlines
Deal found 3/19$667
This United Airlines deal was found by Cheapflights users on 3/17. 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 11/135:45 pm
BTV
-
OPO
1 stop10h 45m
United Airlines
Tue 11/1712:30 pm
OPO
-
BTV
2 stops15h 40m
United Airlines
Deal found 3/17$717
This United Airlines deal was found by Cheapflights users on 3/17. 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 12/65:45 pm
BTV
-
LIS
1 stop9h 25m
United Airlines
Wed 12/911:20 am
LIS
-
BTV
2 stops32h 00m
United Airlines
Deal found 3/17$724
This Gotogate deal was found by Cheapflights users on 3/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:17 pm
BTV
-
LIS
2 stops29h 58m
British Airways
Sun 4/266:50 pm
LIS
-
BTV
2 stops33h 39m
British Airways
Deal found 3/21$790
This United Airlines deal was found by Cheapflights users on 3/17. 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 4/163:00 pm
BTV
-
OPO
2 stops19h 45m
United Airlines
Thu 4/236:00 am
OPO
-
BTV
2 stops20h 35m
United Airlines
Deal found 3/17$796
This KAYAK deal was found by Cheapflights users on 3/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:46 am
BTV
-
OPO
2 stops23h 59m
Multiple Airlines
Thu 4/2312:35 pm
OPO
-
BTV
1 stop25h 56m
Multiple Airlines
Deal found 3/17$859
This Delta deal was found by Cheapflights users on 3/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:29 am
BTV
-
LIS
2 stops26h 26m
Delta
Sun 5/175:00 am
LIS
-
BTV
2 stops24h 09m
Delta
Deal found 3/20$899
This KLM deal was found by Cheapflights users on 3/20. 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.
Sun 5/106:30 am
BTV
-
LIS
1 stop20h 30m
KLM
Sun 5/1711:55 am
LIS
-
BTV
2 stops17h 14m
KLM
Deal found 3/20$925
This United Airlines deal was found by Cheapflights users on 3/21. 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.
Tue 5/55:30 am
BTV
-
OPO
2 stops24h 40m
United Airlines
Tue 5/1212:35 pm
OPO
-
BTV
1 stop11h 09m
United Airlines
Deal found 3/21$949
This Delta deal was found by Cheapflights users on 3/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2612:40 pm
BTV
-
LIS
2 stops17h 35m
Delta
Tue 8/49:50 am
LIS
-
BTV
2 stops19h 33m
Delta
Deal found 3/22$966
This Booking.com deal was found by Cheapflights users on 3/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:57 pm
BTV
-
OPO
2 stops13h 43m
Multiple Airlines
Sat 10/34:40 pm
OPO
-
BTV
2 stops53h 16m
Multiple Airlines
Deal found 3/20$1,066
This KAYAK deal was found by Cheapflights users on 3/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:11 am
BTV
-
OPO
1 stop17h 34m
Lufthansa
Sat 10/310:15 am
OPO
-
BTV
2 stops32h 55m
Lufthansa
Deal found 3/20$1,232

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 March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$790
(Gotogate)

One-way from

$624
(United Airlines)

Popular in

May

Cheapest in

November

Average price

$906
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. 9% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 22, 2026.
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

Cheapest round-trip

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Thu 4/16

3:00 pm-3:45 pm

2 stops19h 45m

Porto

Thu 4/23

6:00 am-9:35 pm

2 stops20h 35m

$796

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Thu 4/16

10:46 am-3:45 pm

2 stops23h 59m

Porto

Thu 4/23

12:35 pm-9:31 am

1 stop25h 56m

$859

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Wed 4/22

5:35 pm-9:05 am

1 stop10h 30m

Lisbon Humberto Delgado

Sun 4/26

5:10 pm-11:29 pm

2 stops35h 19m

$876

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sun 5/10

7:29 am-2:55 pm

2 stops26h 26m

Lisbon Humberto Delgado

Sun 5/17

5:00 am-12:09 am

2 stops24h 09m

$899

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sun 5/10

6:30 am-8:00 am

1 stop20h 30m

Lisbon Humberto Delgado

Sun 5/17

11:55 am-12:09 am

2 stops17h 14m

$925

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Tue 5/5

5:30 am-11:10 am

2 stops24h 40m

Porto

Tue 5/12

12:35 pm-6:44 pm

1 stop11h 09m

$949

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Mon 7/27

2:26 pm-10:45 am

2 stops15h 19m

Lisbon Humberto Delgado

Tue 8/4

10:00 am-12:23 am

1 stop19h 23m

$1,039

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sat 7/25

2:15 pm-10:45 am

2 stops15h 30m

Lisbon Humberto Delgado

Tue 8/4

10:00 am-12:23 am

1 stop19h 23m

$1,076

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Tue 6/2

2:20 pm-8:00 am

1 stop12h 40m

Lisbon Humberto Delgado

Mon 6/8

11:55 am-10:37 pm

2 stops39h 42m

$1,113

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sat 6/20

3:50 pm-8:00 am

1 stop11h 10m

Lisbon Humberto Delgado

Tue 6/30

5:00 am-12:04 am

2 stops24h 04m

$1,179

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 15 resultsSorted by cheapest first
1
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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 March 22, 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
9,455 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

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
9,455 reviews
United Airlines
7.4
Good
9,455 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

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 10h 30m. There are 3243 mi between Burlington, Vermont and Portugal. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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

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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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$616Average$1,011FlexibilityNo cancel feeOn-time69%

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