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$423+ Cheap flights from Hartford (BDL) to Porto (OPO)

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — OPO
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheap flight deals from Hartford to Porto

Cheapest flights from Hartford to Porto
Explore the most affordable flight options available from Hartford to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.

This United Airlines deal was found by Cheapflights users on 3/7. 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.
Fri 11/136:30 pm
BDL
-
OPO
2 stops34h 00m
United Airlines
Tue 11/176:00 am
OPO
-
BDL
2 stops22h 57m
United Airlines
Deal found 3/7$634
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
BDL
-
OPO
2 stops23h 40m
Delta
Wed 4/295:00 am
OPO
-
BDL
2 stops23h 56m
Delta
Deal found 3/8$638
This KLM deal was found by Cheapflights users on 3/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:00 pm
BDL
-
OPO
2 stops19h 20m
KLM
Tue 4/286:15 am
OPO
-
BDL
2 stops22h 00m
KLM
Deal found 3/7$684
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
BDL
-
OPO
2 stops23h 40m
Delta
Sun 5/35:55 am
OPO
-
BDL
2 stops23h 04m
Delta
Deal found 3/8$734
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 9/2612:58 pm
BDL
-
OPO
2 stops15h 47m
United Airlines
Tue 10/66:00 am
OPO
-
BDL
2 stops17h 38m
United Airlines
Deal found 3/8$745
This KLM deal was found by Cheapflights users on 3/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/94:57 pm
BDL
-
OPO
2 stops18h 28m
KLM
Thu 3/2611:20 am
OPO
-
BDL
2 stops15h 52m
KLM
Deal found 3/7$780

Find flight deals from Hartford to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Hartford (BDL) 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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$638
(Delta)

One-way from

$423
(Kiwi.com)
Provider with most accurate pricing for Hartford Bradley Intl-Porto flight deals.
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Provider most trusted by Cheapflights users for Hartford Bradley Intl-Porto flights.
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From Hartford Bradley Intl to Porto
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One-way flight from Hartford Bradley Intl to Porto
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Hartford 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 March 12, 2026.
Use the filters below to find and compare flights from Hartford to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Wed 4/22

6:00 am-10:40 am

2 stops23h 40m

Porto

Wed 4/29

5:00 am-11:56 pm

2 stops23h 56m

$638

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Wed 4/22

6:00 am-10:40 am

2 stops23h 40m

Porto

Sun 5/3

5:55 am-11:59 pm

2 stops23h 04m

$734

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Tue 3/17

10:28 am-9:30 am

2 stops19h 02m

Porto

Fri 3/27

12:45 pm-9:37 am

2 stops24h 52m

$881

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Fri 4/24

7:44 pm-9:45 am

2 stops33h 01m

Porto

Fri 5/1

12:05 pm-11:44 pm

2 stops40h 39m

$914

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Wed 3/18

7:35 pm-9:30 am

2 stops33h 55m

Porto

Fri 4/3

12:35 pm-11:59 pm

2 stops16h 24m

$946

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Thu 4/23

3:04 pm-11:15 am

2 stops15h 11m

Porto

Thu 4/30

6:00 am-11:44 pm

2 stops22h 44m

$1,042

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Wed 6/10

6:00 am-7:00 am

2 stops20h 00m

Porto

Tue 6/30

12:15 pm-11:59 pm

2 stops40h 44m

$1,081

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Fri 6/5

6:09 am-6:55 am

2 stops19h 46m

Porto

Tue 6/16

12:15 pm-2:24 pm

2 stops31h 09m

$1,140

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Wed 6/3

2:07 pm-3:25 pm

2 stops20h 18m

Porto

Sun 6/14

6:30 am-11:32 pm

2 stops22h 02m

$1,148
Quickest round-trip

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Thu 6/4

6:09 am-6:55 am

2 stops19h 46m

Porto

Mon 6/15

12:35 pm-11:59 pm

2 stops16h 24m

$1,157

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Hartford to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hartford to Porto in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Hartford-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hartford-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hartford-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hartford-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hartford-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Hartford to Porto

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

    For as low as $881, Delta can have you in Porto from Hartford in 19h 02m. There are 3225 mi between Hartford and Porto. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hartford 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.

See more FAQs

Traveling to a place near Porto?

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

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