Boston to Barcelona flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Boston to Barcelona is €191 with TAP Air Portugal (checked on 5 Nov 2026).
Your next trip, last seen at €191
Lowest observedTAP Air Portugal · 1 stop · One wayWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
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
- 23 Nov€287
- 24 Nov€287
- 25 Nov€371
- Lowest observed
- €191, departing 28 Nov 2026 (Last checked: 5 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 3Check live prices for this route
- Round trip
- €644, departing 11 Dec 2026, back 16 Dec 2026 (Last checked: 12 Nov 2026)
- Airlines seen
- Aer Lingus, Air Canada, American Airlines, Azores Airlines, British Airways, Iberia, Icelandair, JetBlue, Lufthansa, TAP Air Portugal, United Airlines (11)
- Fastest observed flight time
- 8h 10m
- Non-stop
- Yes
About this route
Explore the fares we observed from Boston to Barcelona. Prices move often, so pick your dates to see the latest options.
- Route distance
- 5,864 km
- Fastest observed flight time
- 8h 10m
- Airlines seen
- Aer Lingus, Air Canada, American Airlines, Azores Airlines, British Airways, Iberia, Icelandair, JetBlue, Lufthansa, TAP Air Portugal, United Airlines (11)
- 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.
Airport to city: straight-line distance
- Portsmouth International Airport at Pease (PSM) → Boston, city gazetteer reference point (42.3584, -71.0598): ≈ 82 km.
- Barcelona El Prat (BCN) → Barcelona, city gazetteer reference point (41.3879, 2.1699): ≈ 12 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.
Observed fares by departure date
| Departure | Fare | Seen on |
|---|---|---|
| €265 | 5 Nov 2026 | |
| €193 | 5 Nov 2026 | |
| €263 | 5 Nov 2026 | |
| €287 | 9 Nov 2026 | |
| €287 | 9 Nov 2026 | |
| €371 | 9 Nov 2026 | |
| €193 | 5 Nov 2026 | |
| €191 | 5 Nov 2026 | |
| €194 | 5 Nov 2026 | |
| €195 | 5 Nov 2026 | |
| €294 | 5 Nov 2026 | |
| €287 | 5 Nov 2026 | |
| €292 | 5 Nov 2026 | |
| €292 | 5 Nov 2026 | |
| €293 | 5 Nov 2026 | |
| €274 | 5 Nov 2026 | |
| €272 | 5 Nov 2026 | |
| €290 | 5 Nov 2026 | |
| €283 | 6 Nov 2026 | |
| €285 | 5 Nov 2026 |
One-way fares. Each row is one price we saw for that departure day on the date shown, not a guaranteed fare.
Lowest one-way fare we saw per airline
Cheapest airline from Boston to Barcelona: TAP Air Portugal, €191 (checked 6 Nov 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| TAP Air Portugal | €191Nov 28, 2026 | 76 |
| Icelandair | €283Feb 10, 2027 | 5 |
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 Barcelona?
The lowest fare Routavio has observed is €191, found on 5 Nov 2026.
Are there direct flights from Boston to Barcelona?
Yes. Published schedules report non-stop flights on this route with Delta Air Lines.
Which airlines fly from Boston to Barcelona?
Routavio has seen these carriers on the route: Aer Lingus, Air Canada, American Airlines, Azores Airlines, British Airways, Iberia, Icelandair, JetBlue, Lufthansa, TAP Air Portugal, United Airlines (11).
How long does the flight from Boston to Barcelona take?
Across the 86 fares Routavio observed, the average journey time is 12h 38m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How much is a round trip from Boston to Barcelona?
Cheapest round trip: €644, departing 11 Dec 2026, back 16 Dec 2026 (checked 12 Nov 2026).
Which airline has the lowest fare from Boston to Barcelona?
Cheapest airline from Boston to Barcelona: TAP Air Portugal, €191 (checked 6 Nov 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.