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 2026-09-25 → 2026-10-02. Showing recent fares on BOS → MAD — pick a different date in the calendar above or run a live search.

Boston → Madrid · 1 fare12-month low · $345

Cached from Travelpayouts · filter & sort below

Showing 1 of 1 results

Alt date · 13 days earlier
Iberia · IB 348
OutboundBOS → MADSat, Sep 12 · 9:40 PM· 7h 10m· Non-stop
$345
one-way
Live search your date →

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.

Aug
Shoulder
from $731
Sep
No data
Oct
No data
Nov
No data
Dec
No data
Jan
No data
Feb
No data
Mar
No data
Apr
No data
May
No data
Jun
No data
Jul
No data

Cheapest next 12 months: August from $731 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

Complete your Madrid trip

Trip plannerMadrid one-stop planTours, transfers, packages, and events for Madrid in one place.StaysWhere to stay in MadridNeighborhood-by-neighborhood picks with live nightly rates.ExperiencesThings to do in MadridCurated sights, food, nightlife, and tours across every district.Getting thereCheap flights to MadridUS gateway fares with the months each route bottoms out.NeighborhoodsMadrid 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.

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