Cheap Flights from Charleston to Porto
No deal from Charleston to Porto has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Charleston to Porto, the lowest round-trip fare we recorded was $565, in September. The typical fare was $716. September was the cheapest month we saw and July the dearest.
The most recent price we saw on this route was $722 on Air France, Delta, and KLM, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/charleston">from Charleston</a>, <a href="/to/porto">to Porto</a>, or the return direction <a href="/from/porto/to/charleston">Porto to Charleston</a>.
Latest price we saw: Charleston 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 |
|---|---|---|---|---|---|---|
| Charleston (CHS) to Porto (OPO) | $722 | 9.3¢ | Jan 17 – Jan 26 | Air France, Delta, and KLM | Oct 16 | Check price |
Price history: Charleston to Porto
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $722 | $725 | 18 |
| Sep 2026 | $565 | $636 | 56 |
| Aug 2026 | $706 | $758 | 78 |
| Jul 2026 | $746 | $746 | 3 |
Frequently asked questions
How many flight deals from Charleston to Porto are on Sparkflights right now?
There are 0 verified deals from Charleston to Porto on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Charleston to Porto?
The lowest fare we've recorded from Charleston to Porto is $565, based on 155 price observations over 4 months.
How much does a flight from Charleston to Porto cost?
The typical round-trip fare we observed from Charleston to Porto is $716, against a recorded low of $565. These are observations, not quotes.
When is the cheapest month to fly Charleston to Porto?
September was the cheapest month we observed from Charleston to Porto and July the dearest, over 4 months of data.
What is the current price from Charleston to Porto?
The most recent fare our sweep saw from Charleston to Porto is $722, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.