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Cheap flights from Burlington to Portugal from $726

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Burlington to Portugal departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Burlington to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:30 pm - 9:30 amBTV  Burlington-OPO Porto
16h 00m1 stop Newark
United Airlines Logo
12:35 pm - 11:10 pmOPO  Porto-BTV Burlington
15h 35m1 stop Newark
$726United Airlines
Sun, Dec 6 - Tue, Dec 8
United Airlines Logo
8:55 am - 9:30 amBTV  Burlington-OPO Porto
19h 35m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:35 pm - 11:10 pmOPO  Porto-BTV Burlington
15h 35m1 stop Newark
$731United Airlines
Sun, Dec 6 - Tue, Dec 8
United Airlines Logo
10:40 am - 8:10 amBTV  Burlington-LIS Lisbon Humberto Delgado
16h 30m1 stop Newark
United Airlines Logo
10:55 am - 9:45 pmLIS  Lisbon Humberto Delgado-BTV Burlington
39h 50m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$769United Airlines
Mon, Feb 1 - Fri, Feb 5
American Airlines Logo
7:35 pm - 3:35 pmBTV  Burlington-LIS Lisbon Humberto Delgado
15h 00m2 stops Philadelphia London Heathrow
American Airlines Logo
7:05 am - 9:44 pmLIS  Lisbon Humberto Delgado-BTV Burlington
18h 39m2 stops London Heathrow Charlotte Douglas
$772American Airlines
Tue, Oct 13 - Tue, Oct 27
United Airlines Logo
8:55 am - 9:20 amBTV  Burlington-LIS Lisbon Humberto Delgado
19h 25m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
10:55 am - 11:10 pmLIS  Lisbon Humberto Delgado-BTV Burlington
41h 15m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$773United Airlines
Mon, Feb 1 - Fri, Feb 5
United Airlines Logo
3:30 pm - 8:10 amBTV  Burlington-LIS Lisbon Humberto Delgado
11h 40m1 stop Newark
United Airlines Logo
11:20 am - 11:34 amLIS  Lisbon Humberto Delgado-BTV Burlington
29h 14m2 stops Toronto Pearson Intl Newark
$774United Airlines
Sun, Dec 6 - Wed, Dec 9
United Airlines Logo
6:00 am - 10:05 amBTV  Burlington-LIS Lisbon Humberto Delgado
23h 05m2 stops Newark Washington, D.C. Dulles Intl
United Airlines Logo
11:20 am - 11:34 amLIS  Lisbon Humberto Delgado-BTV Burlington
29h 14m2 stops Toronto Pearson Intl Newark
$779United Airlines
Sun, Dec 6 - Wed, Dec 9
United Airlines Logo
6:00 am - 10:05 amBTV  Burlington-LIS Lisbon Humberto Delgado
23h 05m2 stops Newark Washington, D.C. Dulles Intl
United Airlines Logo
5:00 am - 11:10 pmLIS  Lisbon Humberto Delgado-BTV Burlington
23h 10m2 stops Frankfurt am Main Newark
$782United Airlines
Sun, Dec 6 - Wed, Dec 9
American Airlines Logo
7:35 pm - 3:35 pmBTV  Burlington-LIS Lisbon Humberto Delgado
15h 00m2 stops Philadelphia London Heathrow
American Airlines Logo
11:05 am - 9:17 pmLIS  Lisbon Humberto Delgado-BTV Burlington
14h 12m1 stop Philadelphia
$808American Airlines
Tue, Oct 13 - Tue, Oct 27
United Airlines Logo
12:20 pm - 9:30 amBTV  Burlington-OPO Porto
16h 10m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:00 am - 11:10 pmOPO  Porto-BTV Burlington
22h 10m2 stops Frankfurt am Main Newark
$823United Airlines
Sun, Dec 6 - Tue, Dec 8

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United Airlines flights from Burlington to Portugal

Our best United Airlines deals on Burlington to Portugal flight tickets
United Airlines
Dec 6
BTV12:30 pmBurlington
16h 00m
1 stop
OPO9:30 amPorto
Dec 8
OPO12:35 pmPorto
15h 35m
1 stop
BTV11:10 pmBurlington
$726
United Airlines
Dec 6
BTV8:55 amBurlington
19h 35m
2 stops
OPO9:30 amPorto
Dec 8
OPO12:35 pmPorto
15h 35m
1 stop
BTV11:10 pmBurlington
$731
United Airlines
Feb 1
BTV10:40 amBurlington
16h 30m
1 stop
LIS8:10 amLisbon Humberto Delgado
Feb 5
LIS10:55 amLisbon Humberto Delgado
39h 50m
2 stops
BTV9:45 pmBurlington
$769

Delta flights from Burlington to Portugal

Our best Delta deals on Burlington to Portugal flight tickets
Delta
Sep 14
BTV6:32 amBurlington
27h 53m
2 stops
OPO3:25 pmPorto
Sep 21
OPO11:25 amPorto
33h 46m
2 stops
BTV4:11 pmBurlington
$931
Delta
Aug 25
BTV2:50 pmBurlington
12h 10m
1 stop
LIS8:00 amLisbon Humberto Delgado
Sep 8
LIS5:00 amLisbon Humberto Delgado
24h 33m
2 stops
BTV12:33 amBurlington
$1,136
Delta
Aug 25
BTV2:50 pmBurlington
15h 25m
2 stops
LIS11:15 amLisbon Humberto Delgado
Sep 8
LIS5:00 amLisbon Humberto Delgado
23h 33m
2 stops
BTV11:33 pmBurlington
$1,140

momondo 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, momondo users made 832,500 searches. Data last updated August 18, 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 Burlington - OPO Porto

BTVOPO

Burlington

Sun 12/6

12:30 pm-9:30 am

1 stop16h 00m

Porto

Tue 12/8

12:35 pm-11:10 pm

1 stop15h 35m

$726

BurlingtonPorto

BTV Burlington - OPO Porto

BTVOPO

Burlington

Sun 12/6

8:55 am-9:30 am

2 stops19h 35m

Porto

Tue 12/8

12:35 pm-11:10 pm

1 stop15h 35m

$731

BurlingtonLisbon

BTV Burlington - LIS Lisbon Humberto Delgado

BTVLIS

Burlington

Mon 2/1

10:40 am-8:10 am

1 stop16h 30m

Lisbon Humberto Delgado

Fri 2/5

10:55 am-9:45 pm

2 stops39h 50m

$769

BurlingtonLisbon

BTV Burlington - LIS Lisbon Humberto Delgado

BTVLIS

Burlington

Tue 10/13

7:35 pm-3:35 pm

2 stops15h 00m

Lisbon Humberto Delgado

Tue 10/27

7:05 am-9:44 pm

2 stops18h 39m

$772

BurlingtonLisbon

BTV Burlington - LIS Lisbon Humberto Delgado

BTVLIS

Burlington

Mon 2/1

8:55 am-9:20 am

2 stops19h 25m

Lisbon Humberto Delgado

Fri 2/5

10:55 am-11:10 pm

2 stops41h 15m

$773

BurlingtonLisbon

BTV Burlington - LIS Lisbon Humberto Delgado

BTVLIS

Burlington

Sun 12/6

3:30 pm-8:10 am

1 stop11h 40m

Lisbon Humberto Delgado

Wed 12/9

11:20 am-11:34 am

2 stops29h 14m

$774

BurlingtonLisbon

BTV Burlington - LIS Lisbon Humberto Delgado

BTVLIS

Burlington

Sun 12/6

6:00 am-10:05 am

2 stops23h 05m

Lisbon Humberto Delgado

Wed 12/9

11:20 am-11:34 am

2 stops29h 14m

$779

BurlingtonLisbon

BTV Burlington - LIS Lisbon Humberto Delgado

BTVLIS

Burlington

Sun 12/6

6:00 am-10:05 am

2 stops23h 05m

Lisbon Humberto Delgado

Wed 12/9

5:00 am-11:10 pm

2 stops23h 10m

$782
Quickest round-trip

BurlingtonLisbon

BTV Burlington - LIS Lisbon Humberto Delgado

BTVLIS

Burlington

Tue 10/13

7:35 pm-3:35 pm

2 stops15h 00m

Lisbon Humberto Delgado

Tue 10/27

11:05 am-9:17 pm

1 stop14h 12m

$808

BurlingtonPorto

BTV Burlington - OPO Porto

BTVOPO

Burlington

Sun 12/6

12:20 pm-9:30 am

2 stops16h 10m

Porto

Tue 12/8

6:00 am-11:10 pm

2 stops22h 10m

$823

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Burlington to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Burlington to Portugal flights?

You could potentially save up to 15% on your flight if you consider stops on a Burlington to Portugal flight.

Cheap Burlington to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Burlington to Portugal

Best Price Found

$726

Fastest flight time

9h 32m

Direct flights

None
The best flight deal from Burlington to Portugal found on momondo in the last 72 hours is $726
The fastest flight from Burlington to Portugal takes 9h 32m
There are no direct flights from Burlington to Portugal. There are no popular flight routes from Burlington to Portugal.
Search flight deals

Frequently asked questions about flying from Burlington to Portugal

  • When did momondo last update prices for flights from Burlington Airport to Portugal?

    Prices for flights from Burlington Airport to Portugal are refreshed on a daily basis.

  • How many operators does momondo search for flights from Burlington Airport to Portugal?

  • How old do you have to be to fly from Burlington Airport to Portugal?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Burlington Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Burlington to Portugal

Compare and see reviews for airlines that fly from Burlington to Portugal with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $463Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Burlington to Portugal?

Finding the right flight to Portugal from Burlington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Portugal quick and easy, saving you time and money.

Can I find flights from Burlington to Portugal with flexible booking policies on momondo?

momondo does allow users to show only those flights to Portugal from Burlington which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Burlington to Portugal?

Once all potential Burlington to Portugal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Burlington to Portugal right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Burlington to Portugal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portugal and let you know when they change.

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