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Portugal

$414+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — LIS
Aug 6 — Aug 131
Thu 8/6
Thu 8/13
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 July 7, 2026.

This United Airlines deal was found by Cheapflights users on 7/6. 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 12/13:30 pm
BTV
-
LIS
1 stop11h 40m
United Airlines
Tue 12/812:50 pm
LIS
-
BTV
2 stops37h 55m
United Airlines
Deal found 7/6$706
This United Airlines deal was found by Cheapflights users on 7/5. 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 12/13:30 pm
BTV
-
LIS
1 stop11h 40m
United Airlines
Wed 12/911:20 am
LIS
-
BTV
2 stops39h 25m
United Airlines
Deal found 7/5$711
This Delta deal was found by Cheapflights users on 7/5. 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.
Tue 12/11:30 pm
BTV
-
LIS
1 stop13h 30m
Delta
Wed 12/911:30 am
LIS
-
BTV
2 stops17h 26m
Delta
Deal found 7/5$715
This Air France deal was found by Cheapflights users on 7/5. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:45 pm
BTV
-
LIS
2 stops16h 25m
Multiple Airlines
Tue 12/85:00 am
LIS
-
BTV
2 stops23h 07m
Multiple Airlines
Deal found 7/5$719
This Delta deal was found by Cheapflights users on 7/5. 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.
Mon 11/3011:25 am
BTV
-
LIS
2 stops16h 35m
Delta
Tue 12/811:30 am
LIS
-
BTV
2 stops17h 26m
Delta
Deal found 7/5$720
This oojo deal was found by Cheapflights users on 7/6. 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.
Tue 12/111:43 am
BTV
-
LIS
1 stop16h 22m
British Airways
Tue 12/811:05 am
LIS
-
BTV
1 stop17h 16m
British Airways
Deal found 7/6$721
This United Airlines deal was found by Cheapflights users on 7/5. 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 12/612:30 pm
BTV
-
LIS
1 stop14h 40m
United Airlines
Tue 12/812:50 pm
LIS
-
BTV
2 stops30h 30m
United Airlines
Deal found 7/5$769
This Delta deal was found by Cheapflights users on 7/5. 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 11/151:30 pm
BTV
-
LIS
1 stop13h 30m
Delta
Sat 11/2111:30 am
LIS
-
BTV
2 stops17h 26m
Delta
Deal found 7/5$776
This United Airlines deal was found by Cheapflights users on 7/6. 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 8/206:50 pm
BTV
-
OPO
1 stop9h 55m
United Airlines
Thu 8/2711:50 am
OPO
-
BTV
2 stops38h 48m
United Airlines
Deal found 7/6$924
This United Airlines deal was found by Cheapflights users on 7/5. 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 8/23:57 pm
BTV
-
OPO
1 stop12h 48m
United Airlines
Thu 8/136:00 am
OPO
-
BTV
2 stops22h 43m
United Airlines
Deal found 7/5$928
This Delta deal was found by Cheapflights users on 7/5. 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.
Tue 8/41:15 pm
BTV
-
OPO
2 stops21h 10m
Delta
Thu 8/135:00 am
OPO
-
BTV
2 stops23h 16m
Delta
Deal found 7/5$930
This United Airlines deal was found by Cheapflights users on 7/5. 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 8/25:50 am
BTV
-
OPO
2 stops22h 55m
United Airlines
Wed 8/126:00 am
OPO
-
BTV
2 stops22h 43m
United Airlines
Deal found 7/5$932

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 July 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$706
(United Airlines)

One-way from

$414
(Kiwi.com)
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

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 July 7, 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

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Tue 12/1

3:30 pm-8:10 am

1 stop11h 40m

Lisbon Humberto Delgado

Tue 12/8

12:50 pm-9:45 pm

2 stops37h 55m

$706

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Mon 11/30

1:30 pm-8:00 am

1 stop13h 30m

Lisbon Humberto Delgado

Wed 12/9

10:00 am-4:59 pm

1 stop11h 59m

$726

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sun 12/6

12:30 pm-8:10 am

1 stop14h 40m

Lisbon Humberto Delgado

Tue 12/8

12:50 pm-2:20 pm

2 stops30h 30m

$769

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sun 11/15

1:30 pm-8:00 am

1 stop13h 30m

Lisbon Humberto Delgado

Sat 11/21

11:30 am-11:56 pm

2 stops17h 26m

$776

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sun 12/6

7:26 pm-10:05 am

1 stop9h 39m

Lisbon Humberto Delgado

Thu 12/10

5:00 am-4:55 pm

2 stops16h 55m

$776

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Tue 8/4

11:00 am-9:45 am

1 stop17h 45m

Porto

Thu 8/13

6:00 am-11:43 pm

2 stops22h 43m

$928

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Mon 8/3

6:00 am-6:55 am

2 stops19h 55m

Porto

Wed 8/12

6:00 am-11:43 pm

2 stops22h 43m

$932

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Wed 8/5

3:59 pm-9:45 am

1 stop12h 46m

Porto

Fri 8/14

9:00 am-11:02 pm

1 stop19h 02m

$934

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Wed 8/5

11:00 am-9:45 am

1 stop17h 45m

Porto

Thu 8/13

9:00 am-11:02 pm

1 stop19h 02m

$934

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Thu 8/6

4:44 pm-3:25 pm

2 stops17h 41m

Porto

Tue 8/11

5:00 am-9:48 pm

2 stops21h 48m

$990

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/4

Showing 1-10 of 31 resultsSorted by cheapest first
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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 July 7, 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
7.8
Good
8,450 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.8

Entertainment

7.8

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
7.8
Good
8,450 reviews
Delta
7.8
Good
8,450 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.8

Entertainment

7.8

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
9,944 reviews
Delta
7.8
Good
8,450 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.8

Entertainment

7.8

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 11h 40m. United Airlines provides one of the quickest options available for as low as $706. 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 July 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$579Average$879FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$614Average$1,056FlexibilityNo cancel feeOn-time69%

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