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Cheap flights from Porto to Detroit from $347

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Detroit departing on 9/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Porto to Detroit

Cheap round-trip flights

Logo
6:05 am - 10:40 pmOPO-DTW
21h 35m2 stops
Logo
10:41 am - 10:30 amDTW-OPO
18h 49m1 stop
$727
Find Deal
Fri, Sep 19 - Tue, Sep 23
United Airlines Logo
6:00 am - 2:10 pmOPO-DTW
13h 10m1 stop
United Airlines Logo
1:25 pm - 6:55 amDTW-OPO
12h 30m1 stop
$730United Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
United Airlines Logo
6:00 am - 6:50 pmOPO-DTW
17h 50m2 stops
United Airlines Logo
4:36 pm - 9:45 amDTW-OPO
12h 09m1 stop
$732United Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
Air Canada Logo
6:00 am - 9:29 pmOPO-DTW
20h 29m2 stops
Air Canada Logo
9:55 am - 11:25 amDTW-OPO
20h 30m2 stops
$752Air Canada
Find Deal
Thu, Sep 4 - Mon, Sep 8
Logo
6:00 am - 2:10 pmOPO-DTW
13h 10m1 stop
Logo
4:36 pm - 7:45 amDTW-OPO
10h 09m1 stop
$764
Find Deal
Fri, Sep 19 - Tue, Sep 23
American Airlines Logo
8:15 am - 6:44 pmOPO-DTW
15h 29m2 stops
American Airlines Logo
3:02 pm - 11:40 amDTW-OPO
15h 38m2 stops
$770American Airlines
Find Deal
Fri, Sep 19 - Tue, Sep 23

United Airlines flights from Porto to Detroit Metropolitan Wayne County Airport

Our best United Airlines deals on Porto to Detroit Metropolitan Wayne County Airport flight tickets
United Airlines
Sep 4
OPO6:00 amPorto
13h 10m
1 stop
DTW2:10 pmDetroit Metropolitan Wayne County
Sep 8
DTW1:25 pmDetroit Metropolitan Wayne County
12h 30m
1 stop
OPO6:55 amPorto
$730
Find similar
United Airlines
Sep 4
OPO6:00 amPorto
17h 50m
2 stops
DTW6:50 pmDetroit Metropolitan Wayne County
Sep 8
DTW4:36 pmDetroit Metropolitan Wayne County
12h 09m
1 stop
OPO9:45 amPorto
$732
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Porto to Detroit Metropolitan Wayne County Airport 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 2, 2025.
Use the filters below to find and compare flights from Porto to Detroit Metropolitan Wayne County Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoDetroit

OPO - DTW

OPODTW

Porto

Fri 9/19

6:05 am-10:40 pm

2 stops21h 35m

Detroit Metropolitan Wayne County

Tue 9/23

10:41 am-10:30 am

1 stop18h 49m

$727

PortoDetroit

OPO - DTW

OPODTW

Porto

Thu 9/4

6:00 am-2:10 pm

1 stop13h 10m

Detroit Metropolitan Wayne County

Mon 9/8

1:25 pm-6:55 am

1 stop12h 30m

$730

PortoDetroit

OPO - DTW

OPODTW

Porto

Thu 9/4

6:00 am-6:50 pm

2 stops17h 50m

Detroit Metropolitan Wayne County

Mon 9/8

4:36 pm-9:45 am

1 stop12h 09m

$732

PortoDetroit

OPO - DTW

OPODTW

Porto

Thu 9/4

6:00 am-9:29 pm

2 stops20h 29m

Detroit Metropolitan Wayne County

Mon 9/8

9:55 am-11:25 am

2 stops20h 30m

$752

PortoDetroit

OPO - DTW

OPODTW

Porto

Fri 9/19

6:00 am-2:10 pm

1 stop13h 10m

Detroit Metropolitan Wayne County

Tue 9/23

4:36 pm-7:45 am

1 stop10h 09m

$764

PortoDetroit

OPO - DTW

OPODTW

Porto

Fri 9/19

8:15 am-6:44 pm

2 stops15h 29m

Detroit Metropolitan Wayne County

Tue 9/23

3:02 pm-11:40 am

2 stops15h 38m

$770

PortoDetroit

OPO - DTW

OPODTW

Porto

Fri 9/19

7:20 am-7:49 am

3 stops29h 29m

$347

PortoDetroit

OPO - DTW

OPODTW

Porto

Fri 9/19

6:05 am-10:40 pm

2 stops21h 35m

$387

PortoDetroit

OPO - DTW

OPODTW

Porto

Fri 10/17

6:05 pm-8:24 am

1 stop19h 19m

$398

PortoDetroit

OPO - DTW

OPODTW

Porto

Mon 9/1

6:15 am-8:41 am

3 stops55h 26m

$402

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Detroit from

How to get the cheapest flight ticket from Porto to Detroit Metropolitan Wayne County Airport

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 day to depart on your flight to Detroit Metropolitan Wayne County Airport?

The cheapest day to depart from Porto to Detroit Metropolitan Wayne County Airport is on a Thursday when prices can be found for as low as $792. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Detroit Metropolitan Wayne County Airport on Saturday is $831.

When to book flights from Porto to Detroit Metropolitan Wayne County Airport

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

Cheap Porto to Detroit Metropolitan Wayne County Airport (OPO to DTW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to Detroit Metropolitan Wayne County Airport

Best Price Found

$347

Fastest flight time

12h 55m

Direct flights

None
The best one-way flight to Detroit Metropolitan Wayne County Airport from Porto in the past 72 hours is $347. The best round-trip flight deal from Porto to Detroit Metropolitan Wayne County Airport found on momondo in the last 72 hours is $727.
The fastest flight from Porto to Detroit Metropolitan Wayne County Airport takes 12h 55m
There are no direct flights from Porto to Detroit Metropolitan Wayne County Airport. Popular non-direct route for this connection is Porto Airport - Detroit Metropolitan Wayne County Airport.
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  • How far is Porto to Detroit Metropolitan Wayne County by plane?

    Porto and Detroit Metropolitan Wayne County are 3721.6 mi apart from one another. Flights usually cover this in 13h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Porto Airport to Detroit Metropolitan Wayne County Airport?

    Prices for flights from Porto Airport to Detroit Metropolitan Wayne County Airport refresh daily.

  • How old do you have to be to fly from Porto Airport to Detroit Metropolitan Wayne County 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 Porto Airport to Detroit Metropolitan Wayne County Airport.

  • What documentation or ID do you need to fly to Detroit Metropolitan Wayne County Airport?

    The required travel and health documents for your Detroit Metropolitan Wayne County Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Detroit Metropolitan Wayne County Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Detroit?

Book flights to Detroit if you plan to visit one of these locations
Put-in-Bay
Auburn Hills
Southfield
Warren
Monroe
Troy
Livonia
Novi
Dearborn
Romulus
Port Huron
Port Clinton
Sterling Heights
Roseville
Brighton
Madison Heights
Pontiac
Ypsilanti
Belleville
Farmington Hills

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Porto to Detroit for you.

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

Yes. All flights to Detroit from Porto on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Porto to Detroit.

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

Yes. momondo can track prices for Porto to Detroit flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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