Your next trip, last seen at €195
Lowest observedTAP Air Portugal · Non-stop · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €195, departing 17 Nov 2026 (Last checked: 25 Oct 2026)One-way fareCheck live prices for this route
- Non-stop, one way
- €195, departing 17 Nov 2026 (Last checked: 25 Oct 2026)
- Airlines seen
- TAP Air Portugal, Aer Lingus, Air Canada, Air France, Air Transat, Azores Airlines, British Airways, Delta Air Lines, Finnair, Iberia, Icelandair, KLM, Porter Airlines Canada, Ryanair, United Airlines (15)
- Reported fastest flight
- 6h 45m
- Non-stop
- Yes
About this route
Explore the fares we observed from Boston to Porto. Prices move often, so pick your dates to see the latest options.
- Route distance
- 5,059 km
- Reported fastest flight
- 6h 45m
- Airlines seen
- TAP Air Portugal, Aer Lingus, Air Canada, Air France, Air Transat, Azores Airlines, British Airways, Delta Air Lines, Finnair, Iberia, Icelandair, KLM, Porter Airlines Canada, Ryanair, United Airlines (15)
- Alternative airports
- PSM
Route-level information; individual journeys vary.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days |
|---|---|
| TAP Air Portugal | 14 / 83 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Portsmouth International Airport at Pease (PSM) → Boston, city gazetteer reference point (42.3584, -71.0598): ≈ 82 km.
- Porto Airport (OPO) → Porto, city gazetteer reference point (41.1579, -8.6291): ≈ 11 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest one-way fare we saw per airline
Cheapest airline from Boston to Porto: TAP Air Portugal, from €195 (checked 25 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| TAP Air Portugal | €195Nov 17, 2026 | 42 |
| Icelandair | €277Jan 17, 2027 | 7 |
| Ryanair | €285Jan 12, 2027 | 3 |
| Air France | €316Jan 21, 2027 | 3 |
| KLM | €317Jan 22, 2027 | 4 |
| Azores Airlines | €320Jan 6, 2027 | 17 |
| Iberia | €372Dec 30, 2026 | 3 |
| Aer Lingus | €442Nov 25, 2026 | 3 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Boston to Porto?
The lowest fare Routavio has observed is €195, found on 25 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Boston to Porto?
In our observations November 2026 is the cheapest month so far, at €195.
Are there direct flights from Boston to Porto?
Yes. Published schedules report non-stop flights on this route with TAP Air Portugal.
Which airlines fly from Boston to Porto?
Routavio has seen these carriers on the route: TAP Air Portugal, Aer Lingus, Air Canada, Air France, Air Transat, Azores Airlines, British Airways, Delta Air Lines, Finnair, Iberia, Icelandair, KLM, Porter Airlines Canada, Ryanair, United Airlines (15).
How long does the flight from Boston to Porto take?
Across the 86 fares Routavio observed, the average journey time is 14h 46m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Boston to Porto fares were non-stop?
15 of the 86 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How much is a non-stop flight from Boston to Porto?
Cheapest non-stop one-way fare: €195, departing 17 Nov 2026 (checked 25 Oct 2026).
Which airlines had non-stop offers on at least 3 departure dates from Boston to Porto?
For Boston to Porto, examples of observed one-way non-stop offers checked within the last 14 days: TAP Air Portugal (14). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which airline has the lowest fare from Boston to Porto?
Cheapest airline from Boston to Porto: TAP Air Portugal, from €195 (checked 25 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.