Cheap Flights from Key West to Porto
No deal from Key West to Porto has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Key West to Porto, the lowest round-trip fare we recorded was $1040, in September. The typical fare was $2003. September was the cheapest month we saw and July the dearest.
The most recent price we saw on this route was $1472 on Air France and Delta, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/key-west">from Key West</a>, <a href="/to/porto">to Porto</a>, or the return direction <a href="/from/porto/to/key-west">Porto to Key West</a>.
Latest price we saw: Key West 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 |
|---|---|---|---|---|---|---|
| Key West (EYW) to Porto (OPO) | $1472 | 17.2¢ | Oct 17 – Oct 23 | Air France and Delta | Oct 16 | Check price |
Price history: Key West to Porto
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $1047 | $1501 | 12 |
| Sep 2026 | $1040 | $1894 | 50 |
| Aug 2026 | $1048 | $1408 | 82 |
| Jul 2026 | $3208 | $3208 | 3 |
Frequently asked questions
How many flight deals from Key West to Porto are on Sparkflights right now?
There are 0 verified deals from Key West to Porto on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Key West to Porto?
The lowest fare we've recorded from Key West to Porto is $1040, based on 147 price observations over 4 months.
How much does a flight from Key West to Porto cost?
The typical round-trip fare we observed from Key West to Porto is $2003, against a recorded low of $1040. These are observations, not quotes.
When is the cheapest month to fly Key West to Porto?
September was the cheapest month we observed from Key West to Porto and July the dearest, over 4 months of data.
What is the current price from Key West to Porto?
The most recent fare our sweep saw from Key West to Porto is $1472, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.