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Cheap Flights from Detroit (DTTA) to Porto (OPO)

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  3. Detroit Wayne County
  4. Porto

Compare Detroit to Porto flight deals

Find the cheapest month or even day of the year to fly to Porto

Book the best Porto fare with no extra fees

Flight dealsCheapest monthFind the best routeRoute infoFAQsTips and advice

Flight deals from Detroit to Porto

Looking for a cheap last-minute deal or the best return flight from Detroit to Porto? Find the lowest prices on one-way and return tickets right here.
Porto.£393 per passenger.Departing Tue, 13 Jan, returning Tue, 20 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Detroit Wayne County on Tue, 13 Jan, arriving in Porto.Inbound indirect flight with Air Canada, departs from Porto on Tue, 20 Jan, arriving in Detroit Wayne County.Price includes taxes and charges.From £393, select.
Tue, 13 JanDTW - OPO with Air Canada
1 stop
Tue, 20 JanOPO - DTW with Air Canada
1 stop
from £393
Porto.£393 per passenger.Departing Tue, 27 Jan, returning Tue, 3 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Detroit Wayne County on Tue, 27 Jan, arriving in Porto.Inbound indirect flight with Air Canada, departs from Porto on Tue, 3 Feb, arriving in Detroit Wayne County.Price includes taxes and charges.From £393, select.
Tue, 27 JanDTW - OPO with Air Canada
1 stop
Tue, 3 FebOPO - DTW with Air Canada
1 stop
from £393
Porto.£396 per passenger.Departing Tue, 4 Nov, returning Tue, 11 Nov.Return flight with Air Canada and Lufthansa.Outbound indirect flight with Air Canada, departs from Detroit Wayne County on Tue, 4 Nov, arriving in Porto.Inbound indirect flight with Lufthansa, departs from Porto on Tue, 11 Nov, arriving in Detroit Wayne County.Price includes taxes and charges.From £396, select.
Tue, 4 NovDTW - OPO with Air Canada
1 stop
Tue, 11 NovOPO - DTW with Lufthansa
1 stop
from £396
Porto.£424 per passenger.Departing Tue, 26 Aug, returning Tue, 2 Sep.Return flight with Air Canada and Ryanair.Outbound indirect flight with Air Canada, departs from Detroit Wayne County on Tue, 26 Aug, arriving in Porto.Inbound indirect flight with Ryanair, departs from Porto on Tue, 2 Sep, arriving in Detroit Wayne County.Price includes taxes and charges.From £424, select.
Tue, 26 AugDTW - OPO with Air Canada
1 stop
Tue, 2 SepOPO - DTW with Ryanair
1 stop
from £424
Porto.£425 per passenger.Departing Wed, 29 Oct, returning Wed, 5 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Detroit Wayne County on Wed, 29 Oct, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Wed, 5 Nov, arriving in Detroit Wayne County.Price includes taxes and charges.From £425, select.
Wed, 29 OctDTW - OPO with Delta
1 stop
Wed, 5 NovOPO - DTW with Delta
1 stop
from £425
Porto.£436 per passenger.Departing Tue, 24 Mar, returning Tue, 31 Mar.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Detroit Wayne County on Tue, 24 Mar, arriving in Porto.Inbound indirect flight with Air Canada, departs from Porto on Tue, 31 Mar, arriving in Detroit Wayne County.Price includes taxes and charges.From £436, select.
Tue, 24 MarDTW - OPO with Air Canada
1 stop
Tue, 31 MarOPO - DTW with Air Canada
1 stop
from £436
Porto.£443 per passenger.Departing Fri, 12 Sep, returning Fri, 19 Sep.Return flight with Spirit Airlines and Vueling Airlines.Outbound indirect flight with Spirit Airlines, departs from Detroit Wayne County on Fri, 12 Sep, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Fri, 19 Sep, arriving in Detroit Wayne County.Price includes taxes and charges.From £443, select.
Fri, 12 SepDTW - OPO with Spirit Airlines
1 stop
Fri, 19 SepOPO - DTW with Vueling Airlines
1 stop
from £443
Porto.£448 per passenger.Departing Wed, 15 Oct, returning Wed, 22 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Detroit Wayne County on Wed, 15 Oct, arriving in Porto.Inbound indirect flight with Air Canada, departs from Porto on Wed, 22 Oct, arriving in Detroit Wayne County.Price includes taxes and charges.From £448, select.
Wed, 15 OctDTW - OPO with Air Canada
1 stop
Wed, 22 OctOPO - DTW with Air Canada
1 stop
from £448
How did we find these deals? The deals you see here are the lowest prices for flight tickets from Detroit to Porto found in the last 4 days, and are subject to change and availability.

Find the cheapest month to fly from Detroit to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Detroit to Porto flights are currently cheapest in January.
May
from £583
Jun
from £567
Jul
from £496
Aug
from £551
Sep
from £443
Oct
from £448
Nov
from £396
Dec
from £541
Jan
from £393
Feb
Find prices
Mar
from £436
Apr
Find prices

Detroit to Porto: Alternative routes

Compare routes from Detroit to Porto below. You may find an airport to fly into that's cheaper, faster, or easier than Porto.

Detroit to Porto: Flight information

The things to know before you go.
Cheapest flight found£393
Cheapest month to flyJanuary

Finding cheap flights from Detroit to Porto: Frequently asked questions

The best price we found for a return flight from Detroit to Porto is £393. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Detroit to Porto. But we found flights with one stop from £393.
As of May 2025, there are no flights flying from Detroit to Porto.
The cheapest month to fly from Detroit to Porto is usually May 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Detroit to Porto Airport on Tuesday, 13 January 2026.
No airlines currently offer direct flights between Detroit and Porto Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Porto but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Porto is Air Canada .

Travelling from Detroit to Porto Airport (OPO): what you need to know

  • Planning your getaway starts with working out where you'll fly out of in Detroit. Detroit Metropolitan Wayne County Airport (DTW) is the city's main airport, so check out your options for reserving a flight from Detroit to Porto Airport (OPO) jetting off from here.

  • Porto Airport is located in Porto. The city operates in the UTC+0 timezone and is 4 hours ahead of Detroit.

  • Get to the airport on time so you don't miss your flight from Detroit to OPO. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the mad dash to your gate.

  • Getting on a plane during a peak month like August? Busy periods (like spring break, summer and New Year) can add another hour at security. Play things extra safe and arrive up to four hours before international flights and two hours before domestic departures.

Airports in Detroit

Detroit Metropolitan Wayne County Airport (DTW)

  • We make it a piece of cake to book a flight from Detroit to OPO that includes a stopover. To see all your options leaving from Detroit Metropolitan Wayne County Airport (DTW), uncheck 'Direct flights only.' Next, choose a flight with a stop long enough to explore your chosen city. Some popular stopovers between DTW and OPO include:

    • Newark Liberty International Airport (EWR)

    • Montreal-Pierre Elliott Trudeau International Airport (YUL)

    • Pearson International Airport (YYZ)

  • From central Detroit, DTW is approximately 20 miles away. Use navigation apps or visit the official airport website to find the best way to reach the terminal.

  • Catching an early flight from Detroit to Porto Airport? Avoid the hassle of rushing to the terminal (and catch some extra z's) by choosing one of these stays near Detroit Metropolitan Wayne County Airport:

    • Holiday Inn Detroit Metro Airport, an IHG Hotel

    • Howard Johnson by Wyndham Romulus Detroit Metro Airport

    • Holiday Inn Express Romulus / Detroit Airport, an IHG Hotel

About Porto Airport (OPO)

  • The last thing you want is a long journey to your hotel if you're arriving on a late flight from Detroit to Porto Airport. Book one of these accommodation options near OPO instead:

    • Lavra Rest

    • Sea Farm

    • OPORTO Suites

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport is approximately 10 miles from the centre of Porto. With your own car rental or if you're catching a cab, the drive is about 21 minutes.

  • It typically takes 49 minutes if you're travelling by public transport.

How to find the cheapest flights from Detroit to Porto Airport (OPO)

  • £240 is the lowest price we've found for a one-way ticket from Detroit to Porto Airport. Return flights start from £393. Fares are subject to availability and may change at any time.

  • It's a good idea to book ahead of time if you're looking for cheap tickets from Detroit to OPO. That's because airlines change prices based on demand, which tends to rise closer to the date of departure.

  • Use the 'Whole month' tool to compare the prices of tickets from Detroit to Porto Airport across each month. We've highlighted the lowest fares in green, making it easy to find a flight that fits your budget.

  • Finding a cheap ticket from Detroit to OPO is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Customise your journey by applying filters. Adjust the number of stops, total duration, and arrival and departure times to find the ideal flight from Detroit to Porto Airport. You can also sort the results to see the 'Best,' 'Fastest' or 'Cheapest' options first.

The best time to fly from Detroit to Porto Airport (OPO)

  • August is the busiest month for flights from Detroit to Porto Airport. To escape the crowds, visit Porto in February when things are quieter.

  • Think about the type of weather that'll work with your plans for Porto. August is known as the warmest month. Lock in your flights from Detroit to OPO during then and you can expect temperatures of between 14ºC and 32ºC.

  • Search for cheap flights from Detroit to Porto Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 3ºC and 14ºC on average.

More about Porto

  • After locking in your flight from Detroit to Porto Airport, think about where you'll stay in this city. Make one of these options your base for exploring Porto:

    • Host Wise - Comfy Minimalist Flat

    • GuestReady - Urban Elegance in the Heart of Porto

    • Limehome Porto Rua da Conceicao

  • Livraria Lello and Ribeira District are a couple of top attractions to put on your Porto itinerary. Keep the adventure rolling by checking out The Douro River.

Complete your Porto trip with a car rental

  • Shut down all those tabs and leave the hard work to us. We've also got awesome deals on car rentals in Porto once you've booked your hotel and cheap flight from Detroit to Porto Airport. Easily compare prices in one place and drive off with the lowest rate in town.

Plan the rest of your trip from Detroit to Porto

  • Car hire from Porto
  • Hotels in Porto

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.

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