Cheap flights from Denver (DEN) to Porto (OPO)

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The best prices from Denver Intl to Porto are usually found in January or February, booked 46 days in advance, depart on a Saturday or Friday and return on a Wednesday

How to find the cheapest flight from
Denver (DEN) to Porto (OPO)

All the information you need to plan the best DEN to OPO flight in 2022: compare Denver to Porto flight prices with the expected peak season, weather and rainfall in Porto.
DEN - OPO
Price
$568 - $1,309
OPO
Temperature
48.2 - 68 °F
OPO
Rainfall
0.7 - 7.7 inches

Popular in

August

High demand for flights, 27% potential price rise

Cheapest in

January

Best time to find cheap flights, 41% potential price drop

Average price

$1,298

Average for round-trip flights in July 2022

Round-trip from

$568

From Denver Intl to Porto

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Denver to Porto?

Departing on a Friday is a good option for securing a great price. You can expect to save up to 17% when planning your travel around this day of the week.

When is the cheapest time to fly from Denver to Porto (DEN - OPO)?

It’s optimal to fly from Denver to Porto in the morning. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the afternoon.

How far in advance should I book a flight from Denver to Porto?

Users have found that booking a flight from Denver to Porto at least 46 days early can save you up to 125% on average compared to booking a flight this week. If booking 46 days before your flight isn’t an option for you, users have found flights from Denver to Porto for as little as $1,333 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $2,315 for flights departing within the next 3 days.

Cheap flights from Denver to Porto in July, August 2022

The best prices found for DEN to OPO flights for July, August
17 Aug - 24 Aug
$1,110pp
DEN
Denver Intl
Air France
   
2 STOPS
OPO
Porto
OPO
Porto
Air France
   
2 STOPS
DEN
Denver Intl
29 Aug - 14 Sep
$1,112pp
DEN
Denver Intl
Lufthansa
 
1 STOP
OPO
Porto
OPO
Porto
Lufthansa
 
1 STOP
DEN
Denver Intl
30 Aug - 13 Sep
$1,119pp
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
OPO
Porto
OPO
Porto
Multiple Airlines
   
2 STOPS
DEN
Denver Intl

Denver Intl to Porto 2022 flight deals

Cheap flights to Porto from Denver found for this year
1 Nov - 30 Jan
$325pp
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
OPO
Porto
OPO
Porto
Multiple Airlines
   
2 STOPS
DEN
Denver Intl
1 Nov - 30 Jan
$359pp
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
OPO
Porto
OPO
Porto
Multiple Airlines
 
1 STOP
DEN
Denver Intl
15 Oct - 22 Oct
$628pp
DEN
Denver Intl
Air Canada
   
2 STOPS
OPO
Porto
OPO
Porto
Air Canada
   
2 STOPS
DEN
Denver Intl

Cheap Air Canada flights from Denver to Porto

15 Oct - 22 Oct
$628pp
DEN
Denver Intl
Air Canada
   
2 STOPS
OPO
Porto
OPO
Porto
Air Canada
   
2 STOPS
DEN
Denver Intl
13 Jul - 30 Jul
$1,668pp
DEN
Denver Intl
Air Canada
   
2 STOPS
OPO
Porto
OPO
Porto
Air Canada
   
2 STOPS
DEN
Denver Intl
13 Jul - 27 Jul
$2,008pp
DEN
Denver Intl
Air Canada
   
2 STOPS
OPO
Porto
OPO
Porto
Air Canada
   
2 STOPS
DEN
Denver Intl

Cheap British Airways flights from Denver to Porto

8 Sep - 20 Sep
$632pp
DEN
Denver Intl
British Airways
   
2 STOPS
OPO
Porto
OPO
Porto
British Airways
   
2 STOPS
DEN
Denver Intl
15 Oct - 22 Oct
$663pp
DEN
Denver Intl
British Airways
 
1 STOP
OPO
Porto
OPO
Porto
British Airways
 
1 STOP
DEN
Denver Intl
8 Sep - 20 Sep
$677pp
DEN
Denver Intl
British Airways
   
2 STOPS
OPO
Porto
OPO
Porto
British Airways
 
1 STOP
DEN
Denver Intl

Last minute flights from Denver to Porto

Late deals on round-trip flights to Porto from Denver, departing today and this week
13 Jul - 30 Jul
$1,668pp
DEN
Denver Intl
Air Canada
   
2 STOPS
OPO
Porto
OPO
Porto
Air Canada
   
2 STOPS
DEN
Denver Intl
13 Jul - 27 Jul
$1,834pp
DEN
Denver Intl
United Airlines
   
2 STOPS
OPO
Porto
OPO
Porto
United Airlines
 
1 STOP
DEN
Denver Intl
13 Jul - 23 Jul
$1,991pp
DEN
Denver Intl
Air France
 
1 STOP
OPO
Porto
OPO
Porto
Air France
 
1 STOP
DEN
Denver Intl

One-way flights to Porto from Denver

The cheapest one-way flights from Denver to Porto
2:30 pm - 10:30 am
British Airways
1 Stop
14h 00m
DEN - OPO
British Airways
$652
ChatDeal
4:25 pm - 5:00 pm
Multiple Airlines
1 Stop
17h 35m
DEN - OPO
Multiple Airlines
$690
Gotogate
1:45 pm - 2:25 pm
Multiple Airlines
1 Stop
17h 40m
DEN - OPO
Multiple Airlines
$710
mytrip.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Denver</span> to <span class="emphasized">Porto</span> flights.

Flight FAQs

From Denver to Porto

Which airlines flying from Denver Intl to Porto have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Lufthansa, United Airlines, and British Airways flying from Denver Intl to Porto have implemented new flexible cancellation policies.

Can I find flights from Denver to Porto for under $400 on Cheapflights?

Yes, there are multiple flights from Denver to Porto for under $400. The cheapest flight booked recently is on Multiple Airlines for just $325, but on average you can expect to pay $723.

Are there last-minute flights available from Denver to Porto for under $1,700?

There are currently 20+ open flights from Denver to Porto within the next 7 days for less than $1,700.

What are the cheapest airlines flying from Denver to Porto round-trip?

Currently priced at $628, Air Canada will fly you from Denver to Porto and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Lufthansa - these airlines can fly you to your destination from $632 and $654, respectively. Air Canada is currently priced 34% below the average price you’ll pay for this route.

What are the cheapest flights from Denver to Porto?

While on average a flight from Denver to Porto is generally $2,673, our data shows the cheapest flight currently is $838. When looking at the most popular route, (Denver Intl - Porto), you can expect to pay $677 for that flight.

What are the most popular airlines that fly from Denver to Porto?

American Airlines, British Airways and Delta are the most popular airlines when flying from Denver to Porto.

COVID Restrictions

View COVID Travel Restrictions for Porto, Portugal

Do I need a COVID test to fly to Porto from Denver?

Information is based on travel restrictions from Denver Intl to Porto

Most visitors from Denver Intl can enter Porto without restrictions.

COVID-19 testing requirements
Visitors from Denver Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Porto.

Quarantine requirements
Visitors from Denver Intl are not required to quarantine after entering Porto.

Do I need a test to fly back to Denver from Porto?

Returning to Denver Intl from Porto

COVID-19 testing requirements
Visitors from Porto are not required to present a negative COVID-19 PCR test or antigen result upon entering Denver Intl.

Quarantine requirements
Visitors from Porto are not required to quarantine after entering Denver Intl.

Hide COVID Travel Restrictions for Porto, Portugal

Alternative routes for Denver to Porto

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Denver Intl to Porto

The chart below displays the airlines Cheapflights users traveling from Denver to Porto choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
British Airways
$339 $1,226 No cancel fee 70%
United Airlines
$549 $1,189 No cancel fee 69%
Delta
$569 $639 No cancel fee N/A
Lufthansa
$574 $1,088 No cancel fee 76%
Brussels Airlines
$857 $1,631 No cancel fee N/A
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