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Boston → Madrid

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BOS → MAD1 adulteconomy

21 flight options · 6 airlines

Round-trip flights

Fri, Nov 27 – Fri, Dec 4

Iberia
8:00 pmBOS
6h 50m
Nonstop
8:50 am+1MAD
Iberia
4:15 pmMAD
8h 10m
Nonstop
6:25 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

TAP Air Portugal
10:20 pmBOS
9h 45m
LIS · 1h 50m
2:05 pm+1MAD
TAP Air Portugal
2:55 pmMAD
11h
LIS · 1h 40m
7:55 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Air Canada
3:30 pmBOS
10h 30m
YUL · 1h 55m
8:00 am+1MAD
Air Canada
1:25 pmMAD
11h 37m
YUL · 1h 50m
7:02 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Aer Lingus
5:15 pmBOS
10h 40m
DUB · 2h
9:55 am+1MAD
Air France
10:00 amMAD
12h 5m
CDG · 1h 50m
4:05 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

KLM Royal Dutch Airlines
8:55 pmBOS
10h 45m
AMS · 1h 15m
1:40 pm+1MAD
Air France
10:00 amMAD
12h 5m
CDG · 1h 50m
4:05 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
9:30 pmBOS
10h 20m
LIS · 2h 40m
1:50 pm+1MAD
Air France
10:00 amMAD
12h 5m
CDG · 1h 50m
4:05 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Iberia
8:00 pmBOS
6h 50m
Nonstop
8:50 am+1MAD
Iberia
4:15 pmMAD
8h 10m
Nonstop
6:25 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

TAP Air Portugal
10:20 pmBOS
9h 45m
LIS · 1h 50m
2:05 pm+1MAD
TAP Air Portugal
2:55 pmMAD
11h
LIS · 1h 40m
7:55 pmBOS

Round-trip total · 1 adult · Taxes included

Show 6 more flights

Fri, Nov 20 – Mon, Nov 23

Aer Lingus
5:15 pmBOS
10h 40m
DUB · 2h
9:55 am+1MAD
Iberia
4:15 pmMAD
8h 10m
Nonstop
6:25 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Air Canada
3:30 pmBOS
10h 30m
YUL · 1h 55m
8:00 am+1MAD
Air Canada
1:25 pmMAD
11h 37m
YUL · 1h 50m
7:02 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
7:25 pmBOS
10h 45m
AMS · 1h 25m
12:10 pm+1MAD
Air France
10:00 amMAD
12h 5m
CDG · 1h 50m
4:05 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

KLM Royal Dutch Airlines
8:55 pmBOS
10h 45m
AMS · 1h 15m
1:40 pm+1MAD
Iberia
4:15 pmMAD
8h 10m
Nonstop
6:25 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
7:25 pmBOS
10h 45m
AMS · 1h 25m
12:10 pm+1MAD
Iberia
4:15 pmMAD
8h 10m
Nonstop
6:25 pmBOS

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
9:30 pmBOS
10h 20m
LIS · 2h 40m
1:50 pm+1MAD
Iberia
4:15 pmMAD
8h 10m
Nonstop
6:25 pmBOS

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

Iberia
8:00 pmBOS
6h 50m
Nonstop
8:50 am+1MAD

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

TAP Air Portugal
10:20 pmBOS
9h 45m
LIS · 1h 50m
2:05 pm+1MAD

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Aer Lingus
5:15 pmBOS
10h 40m
DUB · 2h
9:55 am+1MAD

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Air Canada
3:30 pmBOS
10h 30m
YUL · 1h 55m
8:00 am+1MAD

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

KLM Royal Dutch Airlines
8:55 pmBOS
10h 45m
AMS · 1h 15m
1:40 pm+1MAD

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
9:30 pmBOS
10h 20m
LIS · 2h 40m
1:50 pm+1MAD

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
7:25 pmBOS
10h 45m
AMS · 1h 25m
12:10 pm+1MAD

One-way total · 1 adult · Taxes included

Make this trip yours

BOS ⇄ MAD

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

Nov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-11-20 · one wayIberiaIB346$550.002026-10-29T00:52:25Z
2026-11-27 → 2026-12-04IberiaIB346 / IB345$787.502026-10-29T00:52:25Z
2026-11-20 · one wayTAP Air PortugalTP216 + TP1014$429.002026-10-29T00:52:25Z
2026-11-20 · one wayAer LingusEI132 + EI592$462.002026-10-29T00:52:25Z
2026-11-20 · one wayAir CanadaAC8607 + AC834$506.002026-10-29T00:52:25Z
2026-11-20 · one wayKLM Royal Dutch AirlinesKL618 + UX1098$550.002026-10-29T00:52:25Z
2026-11-20 · one wayDelta Air LinesDL124 + UX1150$561.002026-10-29T00:52:25Z
2026-11-27 → 2026-12-04TAP Air PortugalTP216 + TP1014 / TP1015 + TP215$630.002026-10-29T00:52:25Z
2026-11-27 → 2026-12-04Air CanadaAC8607 + AC834 / AC835 + AC8610$735.002026-10-29T00:52:25Z
2026-11-27 → 2026-12-04Aer Lingus / Air FranceEI132 + EI592 / AF1001 + AF60$742.002026-10-29T00:52:25Z
2026-11-27 → 2026-12-04KLM Royal Dutch Airlines / Air FranceKL618 + UX1098 / AF1001 + AF60$813.502026-10-29T00:52:25Z
2026-11-27 → 2026-12-04Delta Air Lines / Air FranceDL124 + UX1150 / AF1001 + AF60$819.002026-10-29T00:52:25Z
2026-11-20 → 2026-11-23IberiaIB346 / IB345$825.002026-10-29T00:52:25Z
2026-11-20 · one wayDelta Air LinesDL256 + KL1503$561.002026-10-29T00:52:25Z
2026-11-20 → 2026-11-23TAP Air PortugalTP216 + TP1014 / TP1015 + TP215$660.002026-10-29T00:52:25Z
2026-11-20 → 2026-11-23Aer Lingus / IberiaEI132 + EI592 / IB345$764.502026-10-29T00:52:25Z
2026-11-20 → 2026-11-23Air CanadaAC8607 + AC834 / AC835 + AC8610$770.002026-10-29T00:52:25Z
2026-11-27 → 2026-12-04Delta Air Lines / Air FranceDL256 + KL1503 / AF1001 + AF60$819.002026-10-29T00:52:25Z
2026-11-20 → 2026-11-23KLM Royal Dutch Airlines / IberiaKL618 + UX1098 / IB345$836.002026-10-29T00:52:25Z
2026-11-20 → 2026-11-23Delta Air Lines / IberiaDL256 + KL1503 / IB345$841.502026-10-29T00:52:25Z
2026-11-20 → 2026-11-23Delta Air Lines / IberiaDL124 + UX1150 / IB345$841.502026-10-29T00:52:25Z

2026-11-20 · one way · $550.00

  • Iberia IB346: BOS 2026-11-20 20:00:00 → MAD 2026-11-21 08:50:00; nonstop; 410 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $787.50

  • Iberia IB346: BOS 2026-11-27 20:00:00 → MAD 2026-11-28 08:50:00; nonstop; 410 minutes. Local airport times.
  • Iberia IB345: MAD 2026-12-04 16:15:00 → BOS 2026-12-04 18:25:00; nonstop; 490 minutes. Local airport times.

2026-11-20 · one way · $429.00

  • TAP Air Portugal TP216 / TP1014: BOS 2026-11-20 22:20:00 → MAD 2026-11-21 14:05:00; 1 stop(s) via LIS; 585 minutes. Local airport times.
    • TP216: BOS 2026-11-20 22:20:00 → LIS 2026-11-21 09:55:00; layover at LIS: 110 minutes.
    • TP1014: LIS 2026-11-21 11:45:00 → MAD 2026-11-21 14:05:00.

2026-11-20 · one way · $462.00

  • Aer Lingus EI132 / EI592: BOS 2026-11-20 17:15:00 → MAD 2026-11-21 09:55:00; 1 stop(s) via DUB; 640 minutes. Local airport times.
    • EI132: BOS 2026-11-20 17:15:00 → DUB 2026-11-21 04:15:00; layover at DUB: 120 minutes.
    • EI592: DUB 2026-11-21 06:15:00 → MAD 2026-11-21 09:55:00.

2026-11-20 · one way · $506.00

  • Air Canada AC8607 / AC834: BOS 2026-11-20 15:30:00 → MAD 2026-11-21 08:00:00; 1 stop(s) via YUL; 630 minutes. Local airport times.
    • AC8607: BOS 2026-11-20 15:30:00 → YUL 2026-11-20 16:55:00; layover at YUL: 115 minutes.
    • AC834: YUL 2026-11-20 18:50:00 → MAD 2026-11-21 08:00:00.

2026-11-20 · one way · $550.00

  • KLM Royal Dutch Airlines KL618 / UX1098: BOS 2026-11-20 20:55:00 → MAD 2026-11-21 13:40:00; 1 stop(s) via AMS; 645 minutes. Local airport times.
    • KL618: BOS 2026-11-20 20:55:00 → AMS 2026-11-21 09:45:00; layover at AMS: 75 minutes.
    • UX1098: AMS 2026-11-21 11:00:00 → MAD 2026-11-21 13:40:00.

2026-11-20 · one way · $561.00

  • Delta Air Lines DL124 / UX1150: BOS 2026-11-20 21:30:00 → MAD 2026-11-21 13:50:00; 1 stop(s) via LIS; 620 minutes. Local airport times.
    • DL124: BOS 2026-11-20 21:30:00 → LIS 2026-11-21 08:55:00; layover at LIS: 160 minutes.
    • UX1150: LIS 2026-11-21 11:35:00 → MAD 2026-11-21 13:50:00.

2026-11-27 → 2026-12-04 · $630.00

  • TAP Air Portugal TP216 / TP1014: BOS 2026-11-27 22:20:00 → MAD 2026-11-28 14:05:00; 1 stop(s) via LIS; 585 minutes. Local airport times.
    • TP216: BOS 2026-11-27 22:20:00 → LIS 2026-11-28 09:55:00; layover at LIS: 110 minutes.
    • TP1014: LIS 2026-11-28 11:45:00 → MAD 2026-11-28 14:05:00.
  • TAP Air Portugal TP1015 / TP215: MAD 2026-12-04 14:55:00 → BOS 2026-12-04 19:55:00; 1 stop(s) via LIS; 660 minutes. Local airport times.
    • TP1015: MAD 2026-12-04 14:55:00 → LIS 2026-12-04 15:20:00; layover at LIS: 100 minutes.
    • TP215: LIS 2026-12-04 17:00:00 → BOS 2026-12-04 19:55:00.

2026-11-27 → 2026-12-04 · $735.00

  • Air Canada AC8607 / AC834: BOS 2026-11-27 15:30:00 → MAD 2026-11-28 08:00:00; 1 stop(s) via YUL; 630 minutes. Local airport times.
    • AC8607: BOS 2026-11-27 15:30:00 → YUL 2026-11-27 16:55:00; layover at YUL: 115 minutes.
    • AC834: YUL 2026-11-27 18:50:00 → MAD 2026-11-28 08:00:00.
  • Air Canada AC835 / AC8610: MAD 2026-12-04 13:25:00 → BOS 2026-12-04 19:02:00; 1 stop(s) via YUL; 697 minutes. Local airport times.
    • AC835: MAD 2026-12-04 13:25:00 → YUL 2026-12-04 15:40:00; layover at YUL: 110 minutes.
    • AC8610: YUL 2026-12-04 17:30:00 → BOS 2026-12-04 19:02:00.

2026-11-27 → 2026-12-04 · $742.00

  • Aer Lingus EI132 / EI592: BOS 2026-11-27 17:15:00 → MAD 2026-11-28 09:55:00; 1 stop(s) via DUB; 640 minutes. Local airport times.
    • EI132: BOS 2026-11-27 17:15:00 → DUB 2026-11-28 04:15:00; layover at DUB: 120 minutes.
    • EI592: DUB 2026-11-28 06:15:00 → MAD 2026-11-28 09:55:00.
  • Air France AF1001 / AF60: MAD 2026-12-04 10:00:00 → BOS 2026-12-04 16:05:00; 1 stop(s) via CDG; 725 minutes. Local airport times.
    • AF1001: MAD 2026-12-04 10:00:00 → CDG 2026-12-04 12:10:00; layover at CDG: 110 minutes.
    • AF60: CDG 2026-12-04 14:00:00 → BOS 2026-12-04 16:05:00.

2026-11-27 → 2026-12-04 · $813.50

  • KLM Royal Dutch Airlines KL618 / UX1098: BOS 2026-11-27 20:55:00 → MAD 2026-11-28 13:40:00; 1 stop(s) via AMS; 645 minutes. Local airport times.
    • KL618: BOS 2026-11-27 20:55:00 → AMS 2026-11-28 09:45:00; layover at AMS: 75 minutes.
    • UX1098: AMS 2026-11-28 11:00:00 → MAD 2026-11-28 13:40:00.
  • Air France AF1001 / AF60: MAD 2026-12-04 10:00:00 → BOS 2026-12-04 16:05:00; 1 stop(s) via CDG; 725 minutes. Local airport times.
    • AF1001: MAD 2026-12-04 10:00:00 → CDG 2026-12-04 12:10:00; layover at CDG: 110 minutes.
    • AF60: CDG 2026-12-04 14:00:00 → BOS 2026-12-04 16:05:00.

2026-11-27 → 2026-12-04 · $819.00

  • Delta Air Lines DL124 / UX1150: BOS 2026-11-27 21:30:00 → MAD 2026-11-28 13:50:00; 1 stop(s) via LIS; 620 minutes. Local airport times.
    • DL124: BOS 2026-11-27 21:30:00 → LIS 2026-11-28 08:55:00; layover at LIS: 160 minutes.
    • UX1150: LIS 2026-11-28 11:35:00 → MAD 2026-11-28 13:50:00.
  • Air France AF1001 / AF60: MAD 2026-12-04 10:00:00 → BOS 2026-12-04 16:05:00; 1 stop(s) via CDG; 725 minutes. Local airport times.
    • AF1001: MAD 2026-12-04 10:00:00 → CDG 2026-12-04 12:10:00; layover at CDG: 110 minutes.
    • AF60: CDG 2026-12-04 14:00:00 → BOS 2026-12-04 16:05:00.

2026-11-20 → 2026-11-23 · $825.00

  • Iberia IB346: BOS 2026-11-20 20:00:00 → MAD 2026-11-21 08:50:00; nonstop; 410 minutes. Local airport times.
  • Iberia IB345: MAD 2026-11-23 16:15:00 → BOS 2026-11-23 18:25:00; nonstop; 490 minutes. Local airport times.

2026-11-20 · one way · $561.00

  • Delta Air Lines DL256 / KL1503: BOS 2026-11-20 19:25:00 → MAD 2026-11-21 12:10:00; 1 stop(s) via AMS; 645 minutes. Local airport times.
    • DL256: BOS 2026-11-20 19:25:00 → AMS 2026-11-21 08:15:00; layover at AMS: 85 minutes.
    • KL1503: AMS 2026-11-21 09:40:00 → MAD 2026-11-21 12:10:00.

2026-11-20 → 2026-11-23 · $660.00

  • TAP Air Portugal TP216 / TP1014: BOS 2026-11-20 22:20:00 → MAD 2026-11-21 14:05:00; 1 stop(s) via LIS; 585 minutes. Local airport times.
    • TP216: BOS 2026-11-20 22:20:00 → LIS 2026-11-21 09:55:00; layover at LIS: 110 minutes.
    • TP1014: LIS 2026-11-21 11:45:00 → MAD 2026-11-21 14:05:00.
  • TAP Air Portugal TP1015 / TP215: MAD 2026-11-23 14:55:00 → BOS 2026-11-23 19:55:00; 1 stop(s) via LIS; 660 minutes. Local airport times.
    • TP1015: MAD 2026-11-23 14:55:00 → LIS 2026-11-23 15:20:00; layover at LIS: 100 minutes.
    • TP215: LIS 2026-11-23 17:00:00 → BOS 2026-11-23 19:55:00.

2026-11-20 → 2026-11-23 · $764.50

  • Aer Lingus EI132 / EI592: BOS 2026-11-20 17:15:00 → MAD 2026-11-21 09:55:00; 1 stop(s) via DUB; 640 minutes. Local airport times.
    • EI132: BOS 2026-11-20 17:15:00 → DUB 2026-11-21 04:15:00; layover at DUB: 120 minutes.
    • EI592: DUB 2026-11-21 06:15:00 → MAD 2026-11-21 09:55:00.
  • Iberia IB345: MAD 2026-11-23 16:15:00 → BOS 2026-11-23 18:25:00; nonstop; 490 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $770.00

  • Air Canada AC8607 / AC834: BOS 2026-11-20 15:30:00 → MAD 2026-11-21 08:00:00; 1 stop(s) via YUL; 630 minutes. Local airport times.
    • AC8607: BOS 2026-11-20 15:30:00 → YUL 2026-11-20 16:55:00; layover at YUL: 115 minutes.
    • AC834: YUL 2026-11-20 18:50:00 → MAD 2026-11-21 08:00:00.
  • Air Canada AC835 / AC8610: MAD 2026-11-23 13:25:00 → BOS 2026-11-23 19:02:00; 1 stop(s) via YUL; 697 minutes. Local airport times.
    • AC835: MAD 2026-11-23 13:25:00 → YUL 2026-11-23 15:40:00; layover at YUL: 110 minutes.
    • AC8610: YUL 2026-11-23 17:30:00 → BOS 2026-11-23 19:02:00.

2026-11-27 → 2026-12-04 · $819.00

  • Delta Air Lines DL256 / KL1503: BOS 2026-11-27 19:25:00 → MAD 2026-11-28 12:10:00; 1 stop(s) via AMS; 645 minutes. Local airport times.
    • DL256: BOS 2026-11-27 19:25:00 → AMS 2026-11-28 08:15:00; layover at AMS: 85 minutes.
    • KL1503: AMS 2026-11-28 09:40:00 → MAD 2026-11-28 12:10:00.
  • Air France AF1001 / AF60: MAD 2026-12-04 10:00:00 → BOS 2026-12-04 16:05:00; 1 stop(s) via CDG; 725 minutes. Local airport times.
    • AF1001: MAD 2026-12-04 10:00:00 → CDG 2026-12-04 12:10:00; layover at CDG: 110 minutes.
    • AF60: CDG 2026-12-04 14:00:00 → BOS 2026-12-04 16:05:00.

2026-11-20 → 2026-11-23 · $836.00

  • KLM Royal Dutch Airlines KL618 / UX1098: BOS 2026-11-20 20:55:00 → MAD 2026-11-21 13:40:00; 1 stop(s) via AMS; 645 minutes. Local airport times.
    • KL618: BOS 2026-11-20 20:55:00 → AMS 2026-11-21 09:45:00; layover at AMS: 75 minutes.
    • UX1098: AMS 2026-11-21 11:00:00 → MAD 2026-11-21 13:40:00.
  • Iberia IB345: MAD 2026-11-23 16:15:00 → BOS 2026-11-23 18:25:00; nonstop; 490 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $841.50

  • Delta Air Lines DL256 / KL1503: BOS 2026-11-20 19:25:00 → MAD 2026-11-21 12:10:00; 1 stop(s) via AMS; 645 minutes. Local airport times.
    • DL256: BOS 2026-11-20 19:25:00 → AMS 2026-11-21 08:15:00; layover at AMS: 85 minutes.
    • KL1503: AMS 2026-11-21 09:40:00 → MAD 2026-11-21 12:10:00.
  • Iberia IB345: MAD 2026-11-23 16:15:00 → BOS 2026-11-23 18:25:00; nonstop; 490 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $841.50

  • Delta Air Lines DL124 / UX1150: BOS 2026-11-20 21:30:00 → MAD 2026-11-21 13:50:00; 1 stop(s) via LIS; 620 minutes. Local airport times.
    • DL124: BOS 2026-11-20 21:30:00 → LIS 2026-11-21 08:55:00; layover at LIS: 160 minutes.
    • UX1150: LIS 2026-11-21 11:35:00 → MAD 2026-11-21 13:50:00.
  • Iberia IB345: MAD 2026-11-23 16:15:00 → BOS 2026-11-23 18:25:00; nonstop; 490 minutes. Local airport times.

More dates for this route