# Barcelona (BCN) to Boston (BOS) business class award flights

Source: https://miles.zone/routes/bcn-bos
Data updated: 2026-10-22T05:47:59.814Z
Cash amounts are in US dollars.

Fewest points: 70,500 miles plus $446 on KLM through Air France-KLM Flying Blue, departing 2026-10-28.

## Every program and airline that can book it, next 60 days

| Airline | Program | Points | Cash on top | Routing | Departs | Checked |
| --- | --- | --- | --- | --- | --- | --- |
| United Airlines | [United MileagePlus](https://miles.zone/programs/united-mileageplus) | 295,000 miles | $48 | via ORD | 2026-10-28 | 16 Oct 2026, 08:26 UTC |
| Delta Air Lines | [Delta SkyMiles](https://miles.zone/programs/delta-skymiles) | 370,000 miles | $48 | via JFK, DTW | 2026-12-15 | 22 Oct 2026, 05:47 UTC |
| SAS | [Delta SkyMiles](https://miles.zone/programs/delta-skymiles) | 450,000 miles | $59 | via CPH | 2026-12-07 | 22 Oct 2026, 05:46 UTC |
| Swiss | [United MileagePlus](https://miles.zone/programs/united-mileageplus) | 88,000 miles | $62 | via ZRH, IAD | 2026-10-28 | 16 Oct 2026, 08:26 UTC |
| ITA Airways | [United MileagePlus](https://miles.zone/programs/united-mileageplus) | 395,000 miles | $65 | via FCO, IAD | 2026-10-28 | 16 Oct 2026, 08:26 UTC |
| KLM | [Delta SkyMiles](https://miles.zone/programs/delta-skymiles) | 450,000 miles | $69 | via AMS | 2026-11-23 | 22 Oct 2026, 04:03 UTC |
| Air France | [Delta SkyMiles](https://miles.zone/programs/delta-skymiles) | 395,000 miles | $69 | via CDG | 2026-12-14 | 22 Oct 2026, 05:47 UTC |
| KLM | [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) (Light fare) | 70,500 miles | $446 | via AMS | 2026-10-28 | 22 Oct 2026, 05:36 UTC |
| Air France | [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) (Standard fare) | 399,500 miles | $446 | via CDG | 2026-10-28 | 22 Oct 2026, 05:36 UTC |
| Iberia | [British Airways Club](https://miles.zone/programs/british-airways-club) | 50,250 Avios | Not quoted | via MAD | 2026-11-17 | 21 Oct 2026, 22:31 UTC |
| Aer Lingus | [British Airways Club](https://miles.zone/programs/british-airways-club) | 56,500 Avios | Not quoted | via DUB | 2026-11-21 | 21 Oct 2026, 22:33 UTC |
| British Airways | [British Airways Club](https://miles.zone/programs/british-airways-club) | 110,000 Avios | Not quoted | via LHR | 2026-11-06 | 21 Oct 2026, 22:31 UTC |

## Route facts

Over the next 60 days we hold business class seats from Barcelona to Boston on 56 of the 56 departure days we have checked so far (4 days are not checked yet), through 4 programs. These figures are counted from the seats stored for those dates, not from a price history; the typical day is the median of each day's cheapest seat.

| Program | Days with space | Lowest | Typical day | Cash on top |
| --- | --- | --- | --- | --- |
| [British Airways Club](https://miles.zone/programs/british-airways-club) | 30 of 56 checked | 50,250 Avios | 56,500 Avios | Not quoted |
| [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) | 1 of 56 checked | 70,500 miles | 70,500 miles | $446 |
| [United MileagePlus](https://miles.zone/programs/united-mileageplus) | 1 of 56 checked | 88,000 miles | 88,000 miles | $62 |
| [Delta SkyMiles](https://miles.zone/programs/delta-skymiles) | 55 of 56 checked | 370,000 miles | 495,000 miles | $43 to $1,083 |

Nonstop seats on Delta Air Lines.
With a connection on Aer Lingus, Air France, British Airways, Iberia, ITA Airways, KLM, SAS, Swiss and 1 other airline.

## How to book it

1. [British Airways Club](https://miles.zone/programs/british-airways-club) books on avios.com: sign in there, search BCN to BOS in business class on a date with space, and pay in Avios with the cash on top.
2. [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) books on airfrance.fr: sign in there, search BCN to BOS in business class on a date with space, and pay in miles with the cash on top (from $446).
3. [United MileagePlus](https://miles.zone/programs/united-mileageplus) books on united.com: sign in there, search BCN to BOS in business class on a date with space, and pay in miles with the cash on top (from $62).
4. [Delta SkyMiles](https://miles.zone/programs/delta-skymiles) books on delta.com: sign in there, search BCN to BOS in business class on a date with space, and pay in miles with the cash on top (from $43).

MilesZone finds the seat; it does not book it or take payment.

## More routes from Barcelona

- [London (LGW)](https://miles.zone/routes/bcn-lgw)
- [London (LHR)](https://miles.zone/routes/bcn-lhr)
- [Doha (DOH)](https://miles.zone/routes/bcn-doh)
- [New York (JFK)](https://miles.zone/routes/bcn-jfk)
- [Miami (MIA)](https://miles.zone/routes/bcn-mia)
- [Tokyo (HND)](https://miles.zone/routes/bcn-hnd)
- [Seoul (ICN)](https://miles.zone/routes/bcn-icn)
- [Dallas (DFW)](https://miles.zone/routes/bcn-dfw)
- [Los Angeles (LAX)](https://miles.zone/routes/bcn-lax)
- [Chicago (ORD)](https://miles.zone/routes/bcn-ord)
- [Seattle (SEA)](https://miles.zone/routes/bcn-sea)
- [San Francisco (SFO)](https://miles.zone/routes/bcn-sfo)

## More routes to Boston

- [London (LHR)](https://miles.zone/routes/lhr-bos)
- [Amsterdam (AMS)](https://miles.zone/routes/ams-bos)
- [Paris (CDG)](https://miles.zone/routes/cdg-bos)
- [Dublin (DUB)](https://miles.zone/routes/dub-bos)
- [Edinburgh (EDI)](https://miles.zone/routes/edi-bos)
- [Frankfurt (FRA)](https://miles.zone/routes/fra-bos)
- [Madrid (MAD)](https://miles.zone/routes/mad-bos)
- [Manchester (MAN)](https://miles.zone/routes/man-bos)
- [Rome (FCO)](https://miles.zone/routes/fco-bos)
- [Munich (MUC)](https://miles.zone/routes/muc-bos)
- [London (LGW)](https://miles.zone/routes/lgw-bos)
- [Doha (DOH)](https://miles.zone/routes/doh-bos)