Cheap Flights from Portland to Porto
No deal from Portland to Porto has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Portland to Porto, the lowest round-trip fare we recorded was $599, in September. The typical fare was $707. September was the cheapest month we saw and August the dearest.
The most recent price we saw on this route was $713 on Air Canada, Lufthansa, and United, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/portland">from Portland</a>, <a href="/to/porto">to Porto</a>, or the return direction <a href="/from/porto/to/portland">Porto to Portland</a>.
Latest price we saw: Portland 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 |
|---|---|---|---|---|---|---|
| Portland (PDX) to Porto (OPO) | $713 | 6.9¢ | Feb 22 – Mar 2 | Air Canada, Lufthansa, and United | Oct 16 | Check price |
Price history: Portland to Porto
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $713 | $713 | 16 |
| Sep 2026 | $599 | $651 | 59 |
| Aug 2026 | $730 | $735 | 75 |
| Jul 2026 | $730 | $730 | 3 |
Frequently asked questions
How many flight deals from Portland to Porto are on Sparkflights right now?
There are 0 verified deals from Portland to Porto on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Portland to Porto?
The lowest fare we've recorded from Portland to Porto is $599, based on 153 price observations over 4 months.
How much does a flight from Portland to Porto cost?
The typical round-trip fare we observed from Portland to Porto is $707, against a recorded low of $599. These are observations, not quotes.
When is the cheapest month to fly Portland to Porto?
September was the cheapest month we observed from Portland to Porto and August the dearest, over 4 months of data.
What is the current price from Portland to Porto?
The most recent fare our sweep saw from Portland to Porto is $713, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.