Cheap Flights from Porto to Boston
No deal from Porto to Boston has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Porto to Boston, the lowest round-trip fare we recorded was $470, in August. The typical fare was $561. August was the cheapest month we saw and September the dearest.
The most recent price we saw on this route was $505 on American and Iberia, seen Oct 15. It is an unverified observation and may have changed.
See every deal <a href="/from/porto">from Porto</a>, <a href="/to/boston">to Boston</a>, or the return direction <a href="/from/boston/to/porto">Boston to Porto</a>.
Latest price we saw: Porto to Boston
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 |
|---|---|---|---|---|---|---|
| Porto (OPO) to Boston (BOS) | $505 | 8.1¢ | Mar 29 – Apr 5 | American and Iberia | Oct 15 | Check price |
Price history: Porto to Boston
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $505 | $585 | 4 |
| Sep 2026 | $513 | $662 | 2 |
| Aug 2026 | $470 | $485 | 8 |
| Jul 2026 | $512 | $512 | 1 |
Frequently asked questions
How many flight deals from Porto to Boston are on Sparkflights right now?
There are 0 verified deals from Porto to Boston on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Porto to Boston?
The lowest fare we've recorded from Porto to Boston is $470, based on 15 price observations over 4 months.
How much does a flight from Porto to Boston cost?
The typical round-trip fare we observed from Porto to Boston is $561, against a recorded low of $470. These are observations, not quotes.
When is the cheapest month to fly Porto to Boston?
August was the cheapest month we observed from Porto to Boston and September the dearest, over 4 months of data.
What is the current price from Porto to Boston?
The most recent fare our sweep saw from Porto to Boston is $505, on Oct 15. It is an unverified observation rather than a verified deal, so check it before booking.