$337 Cheap flight deals from Denver (DEN) to Northern Portugal (OPO)

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Airfares from $337 One Way, $707 Round Trip from Denver to Northern Portugal

Prices starting at $707 for return flights and $337 for one-way flights to Northern Portugal were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 7 - Thu, Apr 15
DEN
Denver
OPO
Porto
$707 Roundtrip, found 18 hours ago
$707
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Apr 7 from Denver to Porto, returning Thu, Apr 15, priced at $707 found 18 hours ago
Wed, Apr 7 - Thu, Apr 15
DEN
Denver
OPO
Porto
$708 Roundtrip, found 18 hours ago
$708
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Apr 7 from Denver to Porto, returning Thu, Apr 15, priced at $708 found 18 hours ago
Wed, Apr 7 - Thu, Apr 15
DEN
Denver
OPO
Porto
$711 Roundtrip, found 18 hours ago
$711
Roundtrip
found 18 hours ago
Select Lufthansa flight, departing Wed, Apr 7 from Denver to Porto, returning Thu, Apr 15, priced at $711 found 18 hours ago
Tue, Nov 10 - Thu, Nov 26
DEN
Denver
OPO
Porto
$714 Roundtrip, found 5 days ago
$714
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Nov 10 from Denver to Porto, returning Thu, Nov 26, priced at $714 found 5 days ago
Wed, Apr 14 - Wed, Apr 28
COS
Colorado Springs
OPO
Porto
$723 Roundtrip, found 4 days ago
$723
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Apr 14 from Colorado Springs to Porto, returning Wed, Apr 28, priced at $723 found 4 days ago

Northern Portugal economy flight packages

Price found within the past 48 hours. Click for updated prices.
Eurostars Porto Douro
4.0-star property

Eurostars Porto Douro

9.4/10 Exceptional! (1,006 reviews)

Oct 10 - Oct 15

5 night stay

Denver (DEN) to Porto (OPO)

American Airlines • Roundtrip • Coach
Price was $2,148, price is now $1,716 per person
$1,716
per person
found 21 hours ago
Property well maintained with a beautiful view of the water and bridge, pleasant staff and excellent breakfast buffet.

Reviewed on Aug 14, 2026

Torel Private Collection
5.0-star property

Torel Private Collection

9.8/10 Exceptional! (39 reviews)

Oct 10 - Oct 15

5 night stay

Denver (DEN) to Porto (OPO)

American Airlines • Roundtrip • Coach
Price was $2,708, price is now $1,981 per person
$1,981
per person
found 21 hours ago
We absolutely loved our stay! Everything was wonderful, and the view from the property was beautiful. The room was clean and comfortable, and we had a great experience overall. We would definitely stay here again the next time we visit!

Reviewed on Aug 14, 2026

Torel Royal Court
5.0-star property

Torel Royal Court

10/10 Exceptional! (82 reviews)

Oct 10 - Oct 15

5 night stay

Denver (DEN) to Porto (OPO)

American Airlines • Roundtrip • Coach
Price was $1,963, price is now $1,732 per person
$1,732
per person
found 21 hours ago
Really special hotel in a great location of Guimaraes. The staff is incredibly warm and friendly, and cater to whatever you need. Breakfast was great. For Europe, these rooms are huge, and charmingly decorated. Pool and patio were great. We will definitely stay here again.

Reviewed on Jul 20, 2026

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More About Flying To Northern Portugal from Denver

Route Information for Flights from Denver to Northern Portugal

Origin Airport IATA Code
DEN
Destination Airport IATA Code
OPO
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Denver to Northern Portugal

If you are looking to get guaranteed low prices for Denver to Northern Portugal flights then Orbitz is the place to go. We use cutting edge mobile tools to find the best deals on air tickets and to keep you updated on delays and changes.

Get Package Savings by Booking Flights and Hotels at the Same Time

Using the Orbitz Matrix display, you can see how much you will save on flights from Denver to Northern Portugal if the discount fare is combined with a hotel. You can also look at hotel reviews, photos and maps of the area, so it will be convenient to make your budget travel plans.

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.