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Portugal

$463+ Cheap flights from Burlington (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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — LIS
Jun 19 — Jun 261
Fri 6/19
Fri 6/26
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 May 20, 2026.

This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:45 pm
BTV
-
LIS
2 stops18h 45m
Delta
Fri 11/205:30 am
LIS
-
BTV
2 stops16h 29m
Delta
Deal found 5/19$739
This oojo deal was found by Cheapflights users on 5/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:43 am
BTV
-
LIS
1 stop16h 22m
British Airways
Fri 11/2011:05 am
LIS
-
BTV
1 stop17h 12m
British Airways
Deal found 5/19$782
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Sat 11/145:45 pm
BTV
-
LIS
2 stops36h 15m
United Airlines
Tue 11/171:00 pm
LIS
-
BTV
2 stops30h 20m
United Airlines
Deal found 5/17$783
This Air Canada deal was found by Cheapflights users on 5/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:30 pm
BTV
-
LIS
2 stops37h 30m
Air Canada
Tue 11/1711:20 am
LIS
-
BTV
2 stops31h 50m
Air Canada
Deal found 5/15$784
This American Airlines deal was found by Cheapflights users on 5/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:06 pm
BTV
-
LIS
2 stops17h 44m
American Airlines
Fri 11/2011:05 am
LIS
-
BTV
1 stop17h 12m
American Airlines
Deal found 5/18$785
This Delta deal was found by Cheapflights users on 5/16. 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.
Sat 11/145:45 pm
BTV
-
LIS
2 stops18h 45m
Delta
Sat 11/215:30 am
LIS
-
BTV
2 stops16h 29m
Delta
Deal found 5/16$790
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:06 pm
BTV
-
LIS
1 stop11h 59m
American Airlines
Sat 11/216:30 am
LIS
-
BTV
2 stops21h 47m
American Airlines
Deal found 5/16$831
This United Airlines deal was found by Cheapflights users on 5/17. 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 7/163:57 pm
BTV
-
OPO
1 stop12h 48m
United Airlines
Sat 8/111:20 am
OPO
-
BTV
2 stops39h 09m
United Airlines
Deal found 5/17$1,134
This United Airlines deal was found by Cheapflights users on 5/18. 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 6/2811:00 am
BTV
-
OPO
1 stop14h 55m
United Airlines
Tue 7/712:15 pm
OPO
-
BTV
2 stops38h 14m
United Airlines
Deal found 5/18$1,143
This Air Canada deal was found by Cheapflights users on 5/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/286:05 am
BTV
-
OPO
2 stops19h 45m
Multiple Airlines
Tue 7/712:15 pm
OPO
-
BTV
2 stops31h 02m
Multiple Airlines
Deal found 5/18$1,146

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 May 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$739
(Delta)

One-way from

$463
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$1,056
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. 7% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 20, 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
Quickest round-trip

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sat 11/14

5:45 pm-5:30 pm

2 stops18h 45m

Lisbon Humberto Delgado

Fri 11/20

10:00 am-4:59 pm

1 stop11h 59m

$742

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sat 11/14

5:45 pm-11:00 am

2 stops36h 15m

Lisbon Humberto Delgado

Tue 11/17

1:00 pm-2:20 pm

2 stops30h 20m

$783

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sat 11/14

4:30 pm-11:00 am

2 stops37h 30m

Lisbon Humberto Delgado

Tue 11/17

11:20 am-2:10 pm

2 stops31h 50m

$784

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Fri 11/13

4:06 pm-2:50 pm

2 stops17h 44m

Lisbon Humberto Delgado

Fri 11/20

11:05 am-11:54 pm

2 stops17h 49m

$789

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sat 11/14

5:45 pm-5:30 pm

2 stops18h 45m

Lisbon Humberto Delgado

Sat 11/21

5:30 am-4:59 pm

2 stops16h 29m

$790

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sat 11/14

4:06 pm-9:05 am

1 stop11h 59m

Lisbon Humberto Delgado

Sat 11/21

6:30 am-11:17 pm

2 stops21h 47m

$831

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Thu 7/16

3:57 pm-9:45 am

1 stop12h 48m

Porto

Sat 8/1

11:20 am-9:29 pm

2 stops39h 09m

$1,134

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Sun 6/28

11:00 am-6:55 am

1 stop14h 55m

Porto

Tue 7/7

12:15 pm-9:29 pm

2 stops38h 14m

$1,143
Cheapest one-way

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Wed 7/8

3:57 pm-10:30 am

2 stops13h 33m

$463

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Wed 7/15

6:30 am-8:00 am

1 stop20h 30m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 May 20, 2026.
Read through reviews of airlines operating flights from Burlington to Portugal, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,454 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,454 reviews
Delta
7.9
Good
8,454 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,737 reviews
Delta
7.9
Good
8,454 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 to Portugal?

    A quick flight from Burlington to Portugal can take about 18h 45m. Delta provides one of the quickest options available for as low as $742. 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

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Top 2 airlines flying from Burlington to Portugal

Discover the top 2 airlines 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 May 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$579Average$879FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$616Average$1,148FlexibilityNo cancel feeOn-time69%

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