Cheap Flights from Denver to Porto
No deal from Denver to Porto has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Denver to Porto, the lowest round-trip fare we recorded was $575, in September. The typical fare was $689. September was the cheapest month we saw and August the dearest.
The most recent price we saw on this route was $700 on Lufthansa and United, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/denver">from Denver</a>, <a href="/to/porto">to Porto</a>, or the return direction <a href="/from/porto/to/denver">Porto to Denver</a>.
Latest price we saw: Denver to Porto
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Denver (DEN) to Porto (OPO) | $700 | 7.4¢ | Feb 22 – Mar 2 | Lufthansa and United | Oct 16 | Check price |
Price history: Denver to Porto
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $700 | $700 | 17 |
| Sep 2026 | $575 | $638 | 50 |
| Aug 2026 | $706 | $714 | 78 |
| Jul 2026 | $705 | $705 | 3 |
Frequently asked questions
How many flight deals from Denver to Porto are on Sparkflights right now?
There are 0 verified deals from Denver to Porto on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Denver to Porto?
The lowest fare we've recorded from Denver to Porto is $575, based on 148 price observations over 4 months.
How much does a flight from Denver to Porto cost?
The typical round-trip fare we observed from Denver to Porto is $689, against a recorded low of $575. These are observations, not quotes.
When is the cheapest month to fly Denver to Porto?
September was the cheapest month we observed from Denver to Porto and August the dearest, over 4 months of data.
What is the current price from Denver to Porto?
The most recent fare our sweep saw from Denver to Porto is $700, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.