How long is the flight from Boston to Madrid?

Non-stop flights on BOS → MAD are typically around 7 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.

Which airlines fly from Boston to Madrid?

The main carriers on this route are 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 Madrid?

Historically the lowest fares land in November, February. 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 Madrid?

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 → MAD

Boston to Madrid flights.

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

Flying time
~7h non-stop
Airlines
Iberia, American
Cheapest months
November, February

Flex dates · cheapest nearby

Loading prices…

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

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

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

Boston → Madrid · 11 fares12-month low · $674

Cached from Travelpayouts · filter & sort below

Showing 11 of 11 results

Cheapest
Air Canada · AC 8607
OutboundBOS → MADSun, Sep 13 · 7:35 PM· 8h 22m· 1 stop
ReturnMAD ← BOSSat, Sep 26 · 10:45 AM· 9h 37m· 1 stop
$674
total round-trip
Book →
British Airways · BA 4200
OutboundBOS → MADSat, Aug 22 · 12:45 AM· 7h 10m· Non-stop
ReturnMAD ← BOSSun, Aug 30 · 3:25 PM· 8h 20m· Non-stop
$699
total round-trip
Book →
United Airlines · UA 8443
OutboundBOS → MADSun, Jun 28 · 2:40 PM· 8h 18m· 1 stop
ReturnMAD ← BOSFri, Aug 14 · 5:00 AM· 10h 55m· 1 stop
$803
total round-trip
Book →
Air Canada · AC 765
OutboundBOS → MADMon, Jun 22 · 11:15 PM· 9h 30m· 1 stop
ReturnMAD ← BOSMon, Jun 29 · 10:45 AM· 9h 37m· 1 stop
$816
total round-trip
Book →
Air Canada · AC 8541
OutboundBOS → MADFri, Dec 25 · 2:35 PM· 10h 21m· 2 stops
ReturnMAD ← BOSSun, Jan 3 · 11:10 AM· 10h 15m· 2 stops
$835
total round-trip
Book →
Iberia · IB 8041
OutboundBOS → MADThu, Jun 25 · 4:01 PM· 8h 48m· 1 stop
ReturnMAD ← BOSThu, Jul 2 · 2:20 PM· 10h 11m· 1 stop
$857
total round-trip
Book →
American Airlines · AA 2764
OutboundBOS → MADSat, Jun 20 · 12:14 PM· 8h 50m· 1 stop
ReturnMAD ← BOSSat, Jun 27 · 2:20 PM· 10h 6m· 1 stop
$882
total round-trip
Book →
American Airlines · AA 909
OutboundBOS → MADWed, Jun 24 · 4:39 PM· 13h 44m· 1 stop
ReturnMAD ← BOSWed, Jul 1 · 2:20 PM· 10h 6m· 1 stop
$882
total round-trip
Book →
Iberia · IB 8018
OutboundBOS → MADFri, Jun 26 · 11:26 PM· 8h 59m· 1 stop
ReturnMAD ← BOSFri, Jul 3 · 3:45 PM· 9h 55m· 1 stop
$894
total round-trip
Book →
Air France · AF 333
OutboundBOS → MADSun, Jun 21 · 9:10 PM· 9h 15m· 1 stop
ReturnMAD ← BOSSun, Jun 28 · 8:05 AM· 9h 50m· 1 stop
$902
total round-trip
Book →
Finnair · AY 3600
OutboundBOS → MADTue, Jun 23 · 1:01 PM· 14h 2m· 1 stop
ReturnMAD ← BOSTue, Jun 30 · 7:45 PM· 11h 32m· 2 stops
$1,012
total round-trip
Book →

Try a nearby airport

Thin routes often have more options from a neighbouring airport.

Hartford (BDL) → Madrid (MAD)

nearby origin

Providence (PVD) → Madrid (MAD)

nearby origin

About Boston → Madrid

Iberia + AA JBA daily. Boston is the cheapest non-NYC east-coast gateway to MAD; Iberia Plus saver awards open consistently in the Mar/Nov shoulders.

Typical non-stop flying time is around 7 hours. Major carriers on this route include Iberia, American. Fares are usually cheapest in November, February — 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 Madrid

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

Jun
Peak
from $803
Jul
No data
Aug
Low
from $699
Sep
Low
from $674
Oct
No data
Nov
No data
Dec
Peak
from $835
Jan
No data
Feb
No data
Mar
No data
Apr
No data
May
No data

Cheapest next 12 months: September from $674 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

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Where to stay

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

See where to stay in Madrid →

Questions, answered

How long is the flight from Boston to Madrid?
Non-stop flights on BOS → MAD are typically around 7 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.
Which airlines fly from Boston to Madrid?
The main carriers on this route are 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 Madrid?
Historically the lowest fares land in November, February. 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 Madrid?
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 Madrid

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

Other popular routes

Keep planning

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