HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$367+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — OPO
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Hartford to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 18, 2026.

This United Airlines deal was found by Cheapflights users on 7/17. 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 11/169:30 am
BDL
-
OPO
2 stops19h 00m
United Airlines
Wed 11/1812:35 pm
OPO
-
BDL
2 stops26h 50m
United Airlines
Deal found 7/17$721
This Delta deal was found by Cheapflights users on 7/15. 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.
Mon 12/79:35 am
BDL
-
OPO
2 stops20h 00m
Delta
Fri 12/185:00 am
OPO
-
BDL
2 stops23h 32m
Delta
Deal found 7/15$722
This United Airlines deal was found by Cheapflights users on 7/13. 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 9/267:40 pm
BDL
-
OPO
2 stops33h 05m
United Airlines
Tue 10/612:15 pm
OPO
-
BDL
2 stops51h 38m
United Airlines
Deal found 7/13$885
This FlightHub deal was found by Cheapflights users on 7/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:40 pm
BDL
-
OPO
2 stops39h 00m
Lufthansa
Tue 10/66:00 am
OPO
-
BDL
2 stops22h 59m
Lufthansa
Deal found 7/15$889
This United Airlines deal was found by Cheapflights users on 7/16. 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 8/3011:44 am
BDL
-
OPO
2 stops38h 16m
United Airlines
Sun 9/66:00 am
OPO
-
BDL
2 stops22h 59m
United Airlines
Deal found 7/16$989
This United Airlines deal was found by Cheapflights users on 7/14. 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 8/286:00 am
BDL
-
OPO
2 stops22h 45m
United Airlines
Fri 9/46:00 am
OPO
-
BDL
2 stops22h 59m
United Airlines
Deal found 7/14$1,000
This Air Canada deal was found by Cheapflights users on 7/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:33 am
BDL
-
OPO
3 stops15h 17m
Multiple Airlines
Tue 10/612:15 pm
OPO
-
BDL
2 stops16h 44m
Multiple Airlines
Deal found 7/15$1,009
This United Airlines deal was found by Cheapflights users on 7/17. 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 8/156:00 am
BDL
-
OPO
2 stops20h 00m
United Airlines
Fri 8/2112:05 pm
OPO
-
BDL
2 stops35h 15m
United Airlines
Deal found 7/17$1,019
This United Airlines deal was found by Cheapflights users on 7/15. 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 8/293:01 pm
BDL
-
OPO
2 stops34h 54m
United Airlines
Sat 9/56:00 am
OPO
-
BDL
2 stops44h 42m
United Airlines
Deal found 7/15$1,021

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 July 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$722
(Delta)

One-way from

$367
(Kiwi.com)
Provider with most accurate pricing for Hartford Bradley Intl-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hartford Bradley Intl-Porto flights.
Search Deals
From Hartford Bradley Intl to Porto
Search Deals
One-way flight from Hartford Bradley Intl to Porto
Search Deals

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 July 18, 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

Mon 12/7

9:35 am-10:35 am

2 stops20h 00m

Porto

Fri 12/18

5:00 am-11:32 pm

2 stops23h 32m

$722

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Mon 11/16

10:37 am-9:30 am

3 stops17h 53m

Porto

Wed 11/18

12:35 pm-11:59 pm

2 stops16h 24m

$859

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Sat 9/26

7:40 pm-9:45 am

2 stops33h 05m

Porto

Tue 10/6

12:15 pm-10:53 am

2 stops51h 38m

$885

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Sat 9/26

7:40 pm-3:40 pm

2 stops39h 00m

Porto

Tue 10/6

6:00 am-11:59 pm

2 stops22h 59m

$889

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Mon 8/31

6:00 am-7:00 am

2 stops20h 00m

Porto

Mon 9/7

6:00 am-11:59 pm

2 stops22h 59m

$989

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Sun 8/30

11:44 am-7:00 am

2 stops38h 16m

Porto

Sun 9/6

6:00 am-11:59 pm

2 stops22h 59m

$989

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Fri 8/28

6:00 am-9:45 am

2 stops22h 45m

Porto

Fri 9/4

6:00 am-11:59 pm

2 stops22h 59m

$1,000

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Sat 9/26

10:33 am-6:50 am

3 stops15h 17m

Porto

Tue 10/6

12:15 pm-11:59 pm

2 stops16h 44m

$1,009

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Fri 8/14

6:00 am-7:10 am

2 stops20h 10m

Porto

Thu 8/20

12:10 pm-6:20 pm

2 stops35h 10m

$1,009
Quickest round-trip

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Thu 8/27

10:33 am-6:55 am

2 stops15h 22m

Porto

Thu 9/3

9:00 am-7:00 pm

2 stops15h 00m

$1,009

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice 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 $722, Delta can have you in Porto from Hartford in 20h. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.