How long is the flight from Boston to Barcelona?

Non-stop flights on BOS → BCN are typically around 7.5 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.

Which airlines fly from Boston to Barcelona?

The main carriers on this route are LV, Iberia, American. Codeshare and one-stop options add several more — the filter panel above shows every airline in the current fare set.

When is the cheapest time to fly from Boston to Barcelona?

Historically the lowest fares land in November, February, March. Summer (mid-June through mid-August) and the Christmas / New Year window are always peak. Mid-week departures (Tuesday–Thursday) typically beat weekend prices by 10–20%.

How far ahead should I book Boston to Barcelona?

Six to ten weeks ahead is the sweet spot for this route. Inside three weeks, fares tend to spike as airlines sell to last-minute business travellers. Award availability often opens 10–11 months out if you're booking on miles.

Can I book directly on destination.com?

The Book button on each fare opens the airline or OTA (Trip.com, Kiwi, Expedia, Booking, Priceline, etc.) that's actually selling that ticket. You complete payment there at the same price you saw here — we never add a markup.

BOS → BCN

Boston to Barcelona flights.

Live cached fares on Boston (BOS) → Barcelona (BCN), refreshed every 30 minutes. Non-stop and connecting itineraries side by side — compare airlines, times and stops, then book in one click.

Flying time
~7.5h non-stop
Airlines
LV, Iberia, American
Cheapest months
November, February, March

Flex dates · cheapest nearby

Loading prices…

Read our best-time-to-book guide for BOS → BCN →Target price, booking window, weekday pattern.

See 30-day price history for BOS → BCN →Median fare, lows, and best-day patterns.

No cached fares for exactly 2026-08-03 → 2026-08-10. Showing recent fares on BOS → BCN — pick a different date in the calendar above or run a live search.

Boston → Barcelona · 6 fares12-month low · $499

Cached from Travelpayouts · filter & sort below

Showing 6 of 6 results

Cheapest
Iberia · IB 527
OutboundBOS → BCNThu, Oct 8 · 2:55 AM· 7h 5m· Non-stop
ReturnBCN ← BOSThu, Oct 22 · 4:30 PM· 8h 35m· Non-stop
$499
total round-trip
Book →
Condor · DE 2039
OutboundBOS → BCNMon, Sep 14 · 8:45 PM· 9h· 1 stop
ReturnBCN ← BOSWed, Sep 30 · 3:00 PM· 10h 20m· 1 stop
$544
total round-trip
Book →
TAP Portugal · TP 216
OutboundBOS → BCNThu, Oct 1 · 2:45 AM· 8h 30m· 1 stop
ReturnBCN ← BOSSat, Oct 10 · 8:40 PM· 9h 45m· 1 stop
$560
total round-trip
Book →
Condor · DE 2039
OutboundBOS → BCNFri, Sep 18 · 8:45 PM· 9h· 1 stop
ReturnBCN ← BOSSat, Sep 26 · 6:00 AM· 10h 20m· 1 stop
$578
total round-trip
Book →
Condor · DE 2039
OutboundBOS → BCNSun, Sep 13 · 8:45 PM· 9h· 1 stop
ReturnBCN ← BOSSat, Sep 26 · 6:00 AM· 10h 20m· 1 stop
$693
total round-trip
Book →
Air Canada · AC 8603
OutboundBOS → BCNThu, Jul 16 · 9:45 AM· 8h 55m· 1 stop
ReturnBCN ← BOSSun, Jul 19 · 7:40 AM· 10h· 1 stop
$797
total round-trip
Book →

Try a nearby airport

Thin routes often have more options from a neighbouring airport.

Hartford (BDL) → Barcelona (BCN)

nearby origin

Providence (PVD) → Barcelona (BCN)

nearby origin

About Boston → Barcelona

Level (IAG low-cost long-haul) runs seasonal non-stops; otherwise one-stops via MAD or LHR. AA codeshares on Level metal — same fare classes, IAG perks.

Typical non-stop flying time is around 7.5 hours. Major carriers on this route include LV, Iberia, American. Fares are usually cheapest in November, February, March — book 6–10 weeks ahead and avoid school-holiday peaks (late June–August, Christmas–New Year) for the best pricing.

Month-by-month price guide: Boston to Barcelona

Live cheapest round-trip fare cached on BOS → BCN for each of the next 12 months. Tap any month and run a live search to confirm.

Jun
No data
Jul
Peak
from $797
Aug
No data
Sep
Low
from $544
Oct
Low
from $499
Nov
No data
Dec
No data
Jan
No data
Feb
No data
Mar
No data
Apr
No data
May
No data

Cheapest next 12 months: October from $499 round-trip. Run a live search →

Booking window tip

Medium-haul is the classic 6-10 week booking window. Fares drift down as the departure gets closer until about 21 days out, then start climbing fast. Tuesday and Wednesday departures are typically 10-18% cheaper than Friday or Sunday.

Price drop alerts

Email me when Boston → Barcelona drops.

One email per route, only when fares actually move. Set a ceiling if you only want to hear about big drops.

Also text me when it drops — fastest alert

We’ll never share your email. Unsubscribe in any send.

Where to stay

Once you’ve booked the flight, pick a Barcelona neighbourhood.

See where to stay in Barcelona →

Questions, answered

How long is the flight from Boston to Barcelona?
Non-stop flights on BOS → BCN are typically around 7.5 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.
Which airlines fly from Boston to Barcelona?
The main carriers on this route are LV, Iberia, American. Codeshare and one-stop options add several more — the filter panel above shows every airline in the current fare set.
When is the cheapest time to fly from Boston to Barcelona?
Historically the lowest fares land in November, February, March. Summer (mid-June through mid-August) and the Christmas / New Year window are always peak. Mid-week departures (Tuesday–Thursday) typically beat weekend prices by 10–20%.
How far ahead should I book Boston to Barcelona?
Six to ten weeks ahead is the sweet spot for this route. Inside three weeks, fares tend to spike as airlines sell to last-minute business travellers. Award availability often opens 10–11 months out if you're booking on miles.
Can I book directly on destination.com?
The Book button on each fare opens the airline or OTA (Trip.com, Kiwi, Expedia, Booking, Priceline, etc.) that's actually selling that ticket. You complete payment there at the same price you saw here — we never add a markup.

Other ways to reach Barcelona

If your plans are flexible on the origin, these alternate departure airports also serve Barcelona on the routes we track.

Other popular routes

Keep planning

Complete your Barcelona trip

Trip plannerBarcelona one-stop planTours, transfers, packages, and events for Barcelona in one place.StaysWhere to stay in BarcelonaNeighborhood-by-neighborhood picks with live nightly rates.ExperiencesThings to do in BarcelonaCurated sights, food, nightlife, and tours across every district.Getting thereCheap flights to BarcelonaUS gateway fares with the months each route bottoms out.NeighborhoodsBarcelona by districtLongform breakdowns of where locals eat, drink, and sleep.When to goBest time to visit SpainMonth-by-month verdicts on weather, crowds, and prices.

Elsewhere in Spain

More cities we cover in Spain

Madrid3 districts