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$689+ Cheap flights from Burlington (BTV) to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — OPO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Burlington to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Burlington (BTV) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$689
(United Airlines)
From Burlington to Porto
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Find flight deals from Burlington to Porto

Cheapest flights from Burlington to Porto
Explore the most affordable flight options available from Burlington to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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 10/266:10 amBTV - OPO
2 stops23h 20mUnited Airlines
Sun 11/25:00 amOPO - BTV
2 stops44h 36mUnited Airlines
Deal found 9/11$689
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 11/216:50 amBTV - OPO
2 stops22h 40mDelta
Wed 11/266:00 amOPO - BTV
2 stops22h 57mDelta
Deal found 9/11$901
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/173:55 pmBTV - OPO
2 stops18h 35mDelta
Mon 9/226:30 amOPO - BTV
2 stops21h 45mDelta
Deal found 9/10$1,515
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/176:00 amBTV - OPO
2 stops22h 20mUnited Airlines
Mon 9/2212:10 pmOPO - BTV
2 stops54h 44mUnited Airlines
Deal found 9/11$1,538
This United deal was found by Cheapflights users on 9/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2110:35 amBTV - OPO
1 stop17h 55mMultiple Airlines
Wed 11/268:55 amOPO - BTV
2 stops14h 52mMultiple Airlines
Deal found 9/11$1,669
This United deal was found by Cheapflights users on 9/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:00 amBTV - OPO
1 stop19h 05mMultiple Airlines
Mon 9/229:15 pmOPO - BTV
2 stops31h 00mMultiple Airlines
Deal found 9/11$1,961

Cheapflights Fare Finder

 
Customize your flight search to find flights from Burlington to Porto 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 September 11, 2025.
Use the filters below to find and compare flights from Burlington to Porto that are best for you.

Fly from

Burlington

Fly to

Porto

Route

Depart

Return

Price

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Sun 10/26

6:10 am-9:30 am

2 stops23h 20m

Porto

Sun 11/2

5:00 am-9:36 pm

2 stops44h 36m

$689

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Fri 11/21

6:50 am-10:30 am

2 stops22h 40m

Porto

Wed 11/26

6:00 am-11:57 pm

2 stops22h 57m

$901

BurlingtonPorto

BTV - OPO

BTVOPO

Burlington

Fri 11/21

10:35 am-9:30 am

1 stop17h 55m

Porto

Wed 11/26

8:55 am-6:47 pm

2 stops14h 52m

$1,669

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Burlington to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto 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.

Related info for your journey

Find useful and relevant information for your journey from Burlington to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Burlington to Porto?

    Airlines like United Airlines and Delta fly from Burlington to Porto in about 22h 40m. The time it takes to get you to your destination can typically vary by up to 40m. There are 3185 mi between Burlington and Porto. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Burlington to Porto that include hotel bookings?

    Yes. In addition to deals on Burlington to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Burlington to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Burlington to Porto.

  • Can I find deals for business class flights from Burlington to Porto?

    Yes. Cheapflights offers flight deals from Burlington to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Burlington to Porto?

    Currently, January is the cheapest month in which you can book a flight from Burlington to Porto (average of $523). Flying from Burlington to Porto in June is currently the most expensive (average of $1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

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