Cheap flights from Detroit to Portugal from $352
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Portugal departing on 2/13. 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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Route
Depart
Return
DetroitLisbon
DTW Detroit Metropolitan Wayne County - LIS Lisbon Humberto Delgado
DTWLIS
Detroit Metropolitan Wayne County
Fri 1/15
10:15 am-8:00 am
1 stop16h 45m
Lisbon Humberto Delgado
Fri 1/22
10:00 am-7:01 pm
1 stop14h 01m
DetroitLisbon
DTW Detroit Metropolitan Wayne County - LIS Lisbon Humberto Delgado
DTWLIS
Detroit Metropolitan Wayne County
Fri 1/15
10:15 am-8:00 am
1 stop16h 45m
Lisbon Humberto Delgado
Fri 1/22
5:00 am-5:09 pm
2 stops17h 09m
DetroitPorto
DTW Detroit Metropolitan Wayne County - OPO Porto
DTWOPO
Detroit Metropolitan Wayne County
Mon 11/23
4:05 pm-11:45 am
1 stop14h 40m
Porto
Tue 12/8
6:00 am-2:15 pm
1 stop13h 15m
DetroitLisbon
DTW Detroit Metropolitan Wayne County - LIS Lisbon Humberto Delgado
DTWLIS
Detroit Metropolitan Wayne County
Mon 11/9
6:20 pm-9:20 am
1 stop10h 00m
Lisbon Humberto Delgado
Wed 11/25
5:00 am-5:40 pm
2 stops17h 40m
DetroitPorto
DTW Detroit Metropolitan Wayne County - OPO Porto
DTWOPO
Detroit Metropolitan Wayne County
Wed 4/7
5:45 am-9:45 am
2 stops23h 00m
Porto
Thu 4/15
6:00 am-1:55 pm
1 stop12h 55m
DetroitPorto
DTW Detroit Metropolitan Wayne County - OPO Porto
DTWOPO
Detroit Metropolitan Wayne County
Wed 4/7
4:10 pm-3:25 pm
2 stops18h 15m
Porto
Thu 4/15
5:00 am-11:53 am
1 stop11h 53m
DetroitPorto
DTW Detroit Metropolitan Wayne County - OPO Porto
DTWOPO
Detroit Metropolitan Wayne County
Tue 11/3
4:05 pm-11:45 am
1 stop14h 40m
Porto
Fri 11/20
6:00 am-2:15 pm
1 stop13h 15m
DetroitPorto
DTW Detroit Metropolitan Wayne County - OPO Porto
DTWOPO
Detroit Metropolitan Wayne County
Mon 11/23
12:35 pm-9:30 am
2 stops15h 55m
Porto
Tue 12/8
6:00 am-2:15 pm
1 stop13h 15m
DetroitPorto
DTW Detroit Metropolitan Wayne County - OPO Porto
DTWOPO
Detroit Metropolitan Wayne County
Wed 4/7
4:10 pm-3:25 pm
2 stops18h 15m
Porto
Thu 4/15
11:45 am-12:44 am
2 stops17h 59m
DetroitLisbon
DTW Detroit Metropolitan Wayne County - LIS Lisbon Humberto Delgado
DTWLIS
Detroit Metropolitan Wayne County
Sun 11/8
6:20 pm-10:40 am
2 stops35h 20m
Lisbon Humberto Delgado
Tue 11/24
6:05 am-5:40 pm
2 stops16h 35m
See travel insights to Portugal from
How to get the cheapest flight ticket from Detroit to Portugal
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 month to fly to Portugal?
The cheapest month to fly to Portugal from Detroit is in November. Flight prices, which tend to average around $673, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from Detroit during February instead. Flights to Portugal in February, while not as cheap as those in November, still average around $679.
How far in advance should I book a flight from Detroit to Portugal?
You are more likely to see cheaper flights to Portugal from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $873 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Detroit for as low as $705 on momondo.
What is the cheapest airline that flies from Detroit to Portugal?
British Airways, Delta, and United Airlines are the most popular carriers operating from Detroit to Portugal
What airlines fly to Portugal?
United Airlines, Delta and WestJet are the top three most popular airlines that fly to Portugal from Detroit according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 8 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.
Cheap Detroit to Portugal flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Detroit to Portugal
Frequently asked questions about flying from Detroit to Portugal
When did momondo last update prices for flights from Detroit to Portugal?
Prices for flights from Detroit to Portugal are updated daily.
How many operators does momondo search for flights from Detroit to Portugal?
There are 8 operators available for flights from Detroit to Portugal as of October 2026.
How old do you have to be to fly from Detroit to Portugal?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Detroit to Portugal
Compare and see reviews for airlines that fly from Detroit to Portugal with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $508 | Free Cancellation | Rating 6.8 8,271 reviews | |||
| PriceFrom $522 | Free Cancellation | Rating 7.2 3,452 reviews | |||
| PriceFrom $528 | Free Cancellation | Rating 7.8 1,580 reviews | |||
| PriceFrom $571 | Free Cancellation | Rating 7.8 8,646 reviews | |||
| PriceFrom $578 | Free Cancellation | Rating 7.1 11,746 reviews | |||
| PriceFrom $581 | Free Cancellation | Rating 7.4 10,319 reviews | |||
| PriceFrom $597 | Free Cancellation | Rating 7.4 4,455 reviews | |||
| PriceFrom $672 | Free Cancellation | Rating 6.7 8,255 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Detroit to Portugal?
It is quick and easy to find Detroit to Portugal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portugal that suits you.
Can I find flights from Detroit to Portugal with flexible booking policies on momondo?
Yes. All flights to Portugal from Detroit on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Detroit to Portugal?
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 Detroit to Portugal.
I’m not ready to book a flight from Detroit to Portugal right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Detroit to Portugal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portugal and let you know when they change.