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Cheap flights from Burlington, Vermont to Portugal from $521

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Burlington, Vermont to Portugal departing on 8/25. 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

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Find the cheapest flights from Burlington, Vermont to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:20 am - 10:40 am
BTV
-
OPO
23h 20m
2 stops
Delta Logo
5:00 am - 11:44 pm
OPO
-
BTV
23h 44m
2 stops
$787Delta
Wed, Apr 29 - Thu, May 7
Delta Logo
6:00 am - 10:40 am
BTV
-
OPO
23h 40m
2 stops
Delta Logo
4:20 pm - 4:31 pm
OPO
-
BTV
29h 11m
2 stops
$807Delta
Wed, Apr 29 - Mon, May 4
Delta Logo
2:05 pm - 10:00 pm
BTV
-
OPO
26h 55m
2 stops
Delta Logo
5:00 am - 11:02 pm
OPO
-
BTV
23h 02m
2 stops
$832Delta
Mon, May 4 - Tue, May 12
Delta Logo
5:40 am - 8:30 am
BTV
-
OPO
21h 50m
2 stops
Delta Logo
5:00 am - 12:34 am
OPO
-
BTV
24h 34m
2 stops
$833Delta
Thu, Apr 30 - Wed, May 6
KLM Logo
2:20 pm - 2:35 pm
BTV
-
LIS
19h 15m
2 stops
KLM Logo
11:55 am - 12:09 am
LIS
-
BTV
17h 14m
2 stops
$884KLM
Wed, May 13 - Wed, May 20
KLM Logo
2:20 pm - 2:35 pm
BTV
-
LIS
19h 15m
2 stops
KLM Logo
10:00 am - 12:09 am
LIS
-
BTV
19h 09m
1 stop
$894KLM
Wed, May 13 - Wed, May 20
Air Europa Logo
4:36 pm - 10:55 am
BTV
-
LIS
37h 19m
2 stops
Air Europa Logo
7:45 pm - 11:17 pm
LIS
-
BTV
32h 32m
2 stops
$1,004Air Europa
Sun, Apr 19 - Sat, Apr 25
Multiple Airlines Logo
6:30 am - 8:00 am
BTV
-
LIS
20h 30m
1 stop
Multiple Airlines Logo
12:15 pm - 12:23 am
LIS
-
BTV
17h 08m
2 stops
$1,049Multiple Airlines
Sat, Jul 25 - Tue, Aug 4
Multiple Airlines Logo
6:30 am - 8:00 am
BTV
-
LIS
20h 30m
1 stop
Multiple Airlines Logo
10:00 am - 12:23 am
LIS
-
BTV
19h 23m
1 stop
$1,053Multiple Airlines
Sat, Jul 25 - Tue, Aug 4
Air France Logo
2:15 pm - 10:45 am
BTV
-
LIS
15h 30m
2 stops
Air France Logo
12:15 pm - 12:23 am
LIS
-
BTV
17h 08m
2 stops
$1,054Air France
Sat, Jul 25 - Tue, Aug 4

United Airlines flights from Burlington, Vermont to Portugal

Our best United Airlines deals on Burlington, Vermont to Portugal flight tickets
United Airlines
Apr 7
BTV7:33 pmBurlington
15h 12m
2 stops
OPO3:45 pmPorto
Apr 12
OPO6:00 amPorto
37h 21m
2 stops
BTV2:21 pmBurlington
$1,068
United Airlines
May 7
BTV2:31 pmBurlington
15h 44m
2 stops
OPO11:15 amPorto
May 12
OPO12:35 pmPorto
11h 09m
1 stop
BTV6:44 pmBurlington
$1,098
United Airlines
May 2
BTV7:31 pmBurlington
39h 09m
2 stops
OPO3:40 pmPorto
May 5
OPO12:05 pmPorto
16h 46m
2 stops
BTV11:51 pmBurlington
$1,269

KLM flights from Burlington, Vermont to Portugal

Our best KLM deals on Burlington, Vermont to Portugal flight tickets
KLM
May 13
BTV2:20 pmBurlington
19h 15m
2 stops
LIS2:35 pmLisbon Humberto Delgado
May 20
LIS11:55 amLisbon Humberto Delgado
17h 14m
2 stops
BTV12:09 amBurlington
$884
KLM
May 13
BTV2:20 pmBurlington
19h 15m
2 stops
LIS2:35 pmLisbon Humberto Delgado
May 20
LIS10:00 amLisbon Humberto Delgado
19h 09m
1 stop
BTV12:09 amBurlington
$894
KLM
May 3
BTV2:10 pmBurlington
15h 30m
2 stops
OPO10:40 amPorto
May 5
OPO11:30 amPorto
18h 04m
2 stops
BTV12:34 amBurlington
$1,254

momondo Fare Finder

 
Customize your flight search to find flights from Burlington, Vermont 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 April 2, 2026.
Use the filters below to find and compare flights from Burlington, Vermont to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Wed 4/29

6:20 am-10:40 am

2 stops23h 20m

Porto

Thu 5/7

5:00 am-11:44 pm

2 stops23h 44m

$787

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Wed 4/29

6:00 am-10:40 am

2 stops23h 40m

Porto

Mon 5/4

4:20 pm-4:31 pm

2 stops29h 11m

$807

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Mon 5/4

2:05 pm-10:00 pm

2 stops26h 55m

Porto

Tue 5/12

5:00 am-11:02 pm

2 stops23h 02m

$832

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Thu 4/30

5:40 am-8:30 am

2 stops21h 50m

Porto

Wed 5/6

5:00 am-12:34 am

2 stops24h 34m

$833

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Wed 5/13

2:20 pm-2:35 pm

2 stops19h 15m

Lisbon Humberto Delgado

Wed 5/20

11:55 am-12:09 am

2 stops17h 14m

$884

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Wed 5/13

2:20 pm-2:35 pm

2 stops19h 15m

Lisbon Humberto Delgado

Wed 5/20

10:00 am-12:09 am

1 stop19h 09m

$894

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sun 4/19

4:36 pm-10:55 am

2 stops37h 19m

Lisbon Humberto Delgado

Sat 4/25

7:45 pm-11:17 pm

2 stops32h 32m

$1,004

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sat 7/25

6:30 am-8:00 am

1 stop20h 30m

Lisbon Humberto Delgado

Tue 8/4

12:15 pm-12:23 am

2 stops17h 08m

$1,049

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sat 7/25

6:30 am-8:00 am

1 stop20h 30m

Lisbon Humberto Delgado

Tue 8/4

10:00 am-12:23 am

1 stop19h 23m

$1,053
Quickest round-trip

BurlingtonLisbon

BTV - LIS

BTVLIS

Burlington

Sat 7/25

2:15 pm-10:45 am

2 stops15h 30m

Lisbon Humberto Delgado

Tue 8/4

12:15 pm-12:23 am

2 stops17h 08m

$1,054

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from Burlington, Vermont 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, Vermont to Portugal flights?

You could potentially save up to 11% on your flight if you consider stops on a Burlington, Vermont to Portugal flight.

Cheap Burlington, Vermont to Portugal flight deals and tips

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

Fastest flight time

19h 15m

Direct flights

None
The fastest flight from Burlington, Vermont to Portugal takes 19h 15m
There are no direct flights from Burlington, Vermont to Portugal. There are no popular flight routes from Burlington, Vermont to Portugal.
Search flight deals

Frequently asked questions about flying from Burlington, Vermont 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, Vermont to Portugal

Compare and see reviews for airlines that fly from Burlington, Vermont to Portugal with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $616Free CancellationRating
7.4
9,533 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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