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Portugal

$322+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — LIS
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
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 June 10, 2026.

This United Airlines deal was found by Cheapflights users on 6/9. 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 11/1710:40 am
BTV
-
OPO
1 stop17h 50m
United Airlines
Thu 11/1912:35 pm
OPO
-
BTV
1 stop15h 35m
United Airlines
Deal found 6/9$726
This United Airlines deal was found by Cheapflights users on 6/10. 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 11/510:40 am
BTV
-
OPO
1 stop17h 50m
United Airlines
Thu 11/196:00 am
OPO
-
BTV
2 stops20h 45m
United Airlines
Deal found 6/10$767
This United Airlines deal was found by Cheapflights users on 6/5. 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 12/610:03 am
BTV
-
LIS
1 stop19h 12m
United Airlines
Thu 12/101:00 pm
LIS
-
BTV
2 stops27h 34m
United Airlines
Deal found 6/5$774
This United Airlines deal was found by Cheapflights users on 6/7. 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 10/212:36 pm
BTV
-
OPO
2 stops14h 09m
United Airlines
Wed 10/286:00 am
OPO
-
BTV
2 stops19h 45m
United Airlines
Deal found 6/7$775
This United Airlines deal was found by Cheapflights users on 6/6. 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 7/2111:00 am
BTV
-
OPO
1 stop17h 45m
United Airlines
Tue 7/2812:15 pm
OPO
-
BTV
2 stops31h 02m
United Airlines
Deal found 6/6$914
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/245:50 am
BTV
-
LIS
1 stop23h 40m
United Airlines
Fri 7/317:25 am
LIS
-
BTV
2 stops21h 22m
United Airlines
Deal found 6/9$1,002
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/2310:12 am
BTV
-
LIS
1 stop19h 18m
United Airlines
Thu 7/3012:20 pm
LIS
-
BTV
1 stop16h 27m
United Airlines
Deal found 6/8$1,157
This Booking.com deal was found by Cheapflights users on 6/9. 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 7/241:12 pm
BTV
-
LIS
1 stop14h 53m
British Airways
Fri 7/3111:05 am
LIS
-
BTV
1 stop17h 29m
British Airways
Deal found 6/9$1,307
This United Airlines deal was found by Cheapflights users on 6/7. 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 6/811:10 am
BTV
-
LIS
1 stop16h 10m
United Airlines
Mon 6/157:25 am
LIS
-
BTV
2 stops40h 33m
United Airlines
Deal found 6/7$1,309

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 June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$726
(United Airlines)

One-way from

$322
(oojo)
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 June 10, 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

Tue 11/17

10:40 am-9:30 am

1 stop17h 50m

Porto

Thu 11/19

12:35 pm-11:10 pm

1 stop15h 35m

$726

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Thu 11/5

10:40 am-9:30 am

1 stop17h 50m

Porto

Thu 11/19

6:00 am-9:45 pm

2 stops20h 45m

$767

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sun 12/6

10:03 am-10:15 am

1 stop19h 12m

Lisbon Humberto Delgado

Thu 12/10

1:00 pm-11:34 am

2 stops27h 34m

$774

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Wed 10/21

3:29 pm-9:45 am

1 stop13h 16m

Porto

Wed 10/28

6:00 am-9:45 pm

2 stops19h 45m

$775

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Fri 7/24

5:50 am-10:30 am

1 stop23h 40m

Lisbon Humberto Delgado

Fri 7/31

7:25 am-11:47 pm

2 stops21h 22m

$1,002

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Thu 7/23

10:12 am-10:30 am

1 stop19h 18m

Lisbon Humberto Delgado

Thu 7/30

12:20 pm-11:47 pm

1 stop16h 27m

$1,157
Quickest round-trip

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Fri 7/24

1:12 pm-9:05 am

1 stop14h 53m

Lisbon Humberto Delgado

Fri 7/31

11:05 am-11:34 pm

1 stop17h 29m

$1,307
Cheapest one-way

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Tue 10/27

10:39 am-12:05 pm

2 stops21h 26m

$322
Quickest one-way

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Tue 10/27

5:45 pm-8:00 am

1 stop10h 15m

$334

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Tue 10/27

1:30 pm-8:00 am

1 stop14h 30m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 June 10, 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
8,396 reviews

Comfort

7.8

Food

7.2

Overall

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

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
8,396 reviews
Delta
7.9
Good
8,396 reviews

Comfort

7.8

Food

7.2

Overall

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

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
9,804 reviews
Delta
7.9
Good
8,396 reviews

Comfort

7.8

Food

7.2

Overall

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

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 17h 50m. United Airlines provides one of the quickest options available for as low as $726. Airlines will cover a distance of 3185 mi.

  • 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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$579Average$879FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$616Average$1,148FlexibilityNo cancel feeOn-time69%

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