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Cheap flights from Hartford to Porto from $351

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hartford to Porto departing on 12/26. 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

Find the cheapest flights from Hartford to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:23 am - 9:30 amBDL  Hartford Bradley Intl-OPO Porto
18h 07m3 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl Newark
United Airlines Logo
12:35 pm - 10:25 amOPO  Porto-BDL Hartford Bradley Intl
26h 50m2 stops Frankfurt am Main Chicago O'Hare Intl
$722United Airlines
Mon, Dec 7 - Fri, Dec 11
United Airlines Logo
6:00 am - 7:00 amBDL  Hartford Bradley Intl-OPO Porto
20h 00m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
11:50 am - 11:59 pmOPO  Porto-BDL Hartford Bradley Intl
41h 09m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Reagan-National
$819United Airlines
Wed, Oct 14 - Thu, Oct 22
United Airlines Logo
6:00 am - 7:00 amBDL  Hartford Bradley Intl-OPO Porto
20h 00m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
11:50 am - 11:59 pmOPO  Porto-BDL Hartford Bradley Intl
41h 09m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Reagan-National
$864United Airlines
Wed, Oct 14 - Thu, Oct 22
Delta Logo
6:55 pm - 10:15 pmBDL  Hartford Bradley Intl-OPO Porto
22h 20m2 stops Minneapolis St Paul Amsterdam Schiphol
Delta Logo
5:00 am - 11:12 pmOPO  Porto-BDL Hartford Bradley Intl
23h 12m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$885Delta
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
6:05 am - 7:00 amBDL  Hartford Bradley Intl-OPO Porto
19h 55m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
11:50 am - 10:49 amOPO  Porto-BDL Hartford Bradley Intl
27h 59m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$887Multiple Airlines
Wed, Oct 14 - Thu, Oct 22
United Airlines Logo
7:40 pm - 9:45 amBDL  Hartford Bradley Intl-OPO Porto
33h 05m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
6:00 am - 6:56 pmOPO  Porto-BDL Hartford Bradley Intl
17h 56m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
$892United Airlines
Sat, Sep 26 - Tue, Oct 6
United Airlines Logo
6:10 am - 6:15 amBDL  Hartford Bradley Intl-OPO Porto
19h 05m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
12:15 pm - 5:53 pmOPO  Porto-BDL Hartford Bradley Intl
34h 38m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$898United Airlines
Tue, Sep 22 - Tue, Sep 29
Multiple Airlines Logo
6:00 am - 7:00 amBDL  Hartford Bradley Intl-OPO Porto
20h 00m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
11:50 am - 11:59 pmOPO  Porto-BDL Hartford Bradley Intl
17h 09m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Washington, D.C. Dulles Intl
$900Multiple Airlines
Wed, Oct 14 - Thu, Oct 22
United Airlines Logo
10:23 am - 9:30 amBDL  Hartford Bradley Intl-OPO Porto
18h 07m3 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl Newark
United Airlines Logo
6:00 am - 9:22 pmOPO  Porto-BDL Hartford Bradley Intl
20h 22m2 stops Frankfurt am Main Chicago O'Hare Intl
$904United Airlines
Sun, Dec 6 - Thu, Dec 10
Lufthansa Logo
10:33 am - 11:25 pmBDL  Hartford Bradley Intl-OPO Porto
31h 52m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
Lufthansa Logo
6:20 am - 11:59 pmOPO  Porto-BDL Hartford Bradley Intl
22h 39m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl
$911Lufthansa
Sun, Sep 6 - Tue, Sep 15

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United Airlines flights from Hartford to Porto

Our best United Airlines deals on Hartford to Porto flight tickets
United Airlines
Dec 6
BDL6:15 amHartford Bradley Intl
22h 15m
2 stops
OPO9:30 amPorto
Dec 10
OPO6:00 amPorto
17h 38m
2 stops
BDL6:38 pmHartford Bradley Intl
$722
United Airlines
Oct 14
BDL6:00 amHartford Bradley Intl
20h 00m
2 stops
OPO7:00 amPorto
Oct 22
OPO11:50 amPorto
41h 09m
2 stops
BDL11:59 pmHartford Bradley Intl
$819
United Airlines
Oct 14
BDL6:00 amHartford Bradley Intl
20h 00m
2 stops
OPO7:00 amPorto
Oct 22
OPO11:50 amPorto
41h 09m
2 stops
BDL11:59 pmHartford Bradley Intl
$864

Lufthansa flights from Hartford to Porto

Our best Lufthansa deals on Hartford to Porto flight tickets
Lufthansa
Sep 6
BDL10:33 amHartford Bradley Intl
31h 52m
2 stops
OPO11:25 pmPorto
Sep 15
OPO6:20 amPorto
22h 39m
2 stops
BDL11:59 pmHartford Bradley Intl
$911
Lufthansa
Sep 9
BDL10:33 amHartford Bradley Intl
31h 52m
2 stops
OPO11:25 pmPorto
Sep 23
OPO6:20 amPorto
22h 39m
2 stops
BDL11:59 pmHartford Bradley Intl
$918
Lufthansa
Sep 15
BDL10:33 amHartford Bradley Intl
31h 52m
2 stops
OPO11:25 pmPorto
Sep 29
OPO6:20 amPorto
22h 39m
2 stops
BDL11:59 pmHartford Bradley Intl
$920

momondo 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, momondo users made 832,500 searches. Data last updated August 13, 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 Hartford Bradley Intl - OPO Porto

BDLOPO

Hartford Bradley Intl

Mon 12/7

10:23 am-9:30 am

3 stops18h 07m

Porto

Fri 12/11

12:35 pm-10:25 am

2 stops26h 50m

$722

HartfordPorto

BDL Hartford Bradley Intl - OPO Porto

BDLOPO

Hartford Bradley Intl

Wed 10/14

6:00 am-7:00 am

2 stops20h 00m

Porto

Thu 10/22

11:50 am-11:59 pm

2 stops41h 09m

$819

HartfordPorto

BDL Hartford Bradley Intl - OPO Porto

BDLOPO

Hartford Bradley Intl

Wed 10/14

6:00 am-7:00 am

2 stops20h 00m

Porto

Thu 10/22

11:50 am-11:59 pm

2 stops41h 09m

$864

HartfordPorto

BDL Hartford Bradley Intl - OPO Porto

BDLOPO

Hartford Bradley Intl

Wed 9/23

6:55 pm-10:15 pm

2 stops22h 20m

Porto

Wed 9/30

5:00 am-11:12 pm

2 stops23h 12m

$885

HartfordPorto

BDL Hartford Bradley Intl - OPO Porto

BDLOPO

Hartford Bradley Intl

Wed 10/14

6:05 am-7:00 am

2 stops19h 55m

Porto

Thu 10/22

11:50 am-10:49 am

2 stops27h 59m

$887

HartfordPorto

BDL Hartford Bradley Intl - OPO Porto

BDLOPO

Hartford Bradley Intl

Sat 9/26

7:40 pm-9:45 am

2 stops33h 05m

Porto

Tue 10/6

6:00 am-6:56 pm

2 stops17h 56m

$892

HartfordPorto

BDL Hartford Bradley Intl - OPO Porto

BDLOPO

Hartford Bradley Intl

Tue 9/22

6:10 am-6:15 am

2 stops19h 05m

Porto

Tue 9/29

12:15 pm-5:53 pm

2 stops34h 38m

$898
Quickest round-trip

HartfordPorto

BDL Hartford Bradley Intl - OPO Porto

BDLOPO

Hartford Bradley Intl

Wed 10/14

6:00 am-7:00 am

2 stops20h 00m

Porto

Thu 10/22

11:50 am-11:59 pm

3 stops17h 09m

$900

HartfordPorto

BDL Hartford Bradley Intl - OPO Porto

BDLOPO

Hartford Bradley Intl

Sun 12/6

10:23 am-9:30 am

3 stops18h 07m

Porto

Thu 12/10

6:00 am-9:22 pm

2 stops20h 22m

$904

HartfordPorto

BDL Hartford Bradley Intl - OPO Porto

BDLOPO

Hartford Bradley Intl

Sun 9/6

10:33 am-11:25 pm

2 stops31h 52m

Porto

Tue 9/15

6:20 am-11:59 pm

2 stops22h 39m

$911

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Hartford to Porto

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

What is the cheapest airline that flies from Hartford Bradley Intl to Porto?

United Airlines is the most popular carrier operating from Hartford Bradley Intl to Porto

When to book flights from Hartford to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Hartford to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Hartford to Porto (BDL to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hartford to Porto

Fastest flight time

16h 20m

Direct flights

None
The fastest flight from Hartford to Porto takes 16h 20m
There are no direct flights from Hartford to Porto. There are no popular flight routes from Hartford to Porto.
Search flight deals

Frequently asked questions about flying from Hartford to Porto

  • How far is Hartford Bradley Intl to Porto by plane?

    There are 3233.5 mi between Hartford Bradley Intl and Porto. In terms of flight time, this usually takes a little over 16h 20m.

  • When did momondo last update prices for flights from Hartford Bradley Intl Airport to Porto Airport?

    Prices for flights from Hartford Bradley Intl Airport to Porto Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Hartford Bradley Intl Airport to Porto Airport?

    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 Hartford Bradley Intl Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Pinhao
Esposende
Chaves
Arcos de Valdevez
Viseu
Guimarães
Espinho
Lamego
Ponte de Lima
Mesao Frio
Penafiel
Caminha
Baiao

Why use momondo?

Why should I use momondo to find a flight deal from Hartford to Porto?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Porto from Hartford.

Can I find flights from Hartford to Porto with flexible booking policies on momondo?

All flight searches from Hartford to Porto on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Hartford to Porto?

Once you have performed a search for Hartford to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Porto, momondo offers a useful price alert feature which will track prices for flights to Porto from Hartford and alert you when they change.

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