How long is the flight from Boston to Reykjavík?

Non-stop flights on BOS → KEF are typically around 5.5 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.

Which airlines fly from Boston to Reykjavík?

The main carriers on this route are Icelandair, JetBlue. 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 Reykjavík?

Historically the lowest fares land in January, February, October. 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 Reykjavík?

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 → KEF

Boston to Reykjavík flights.

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

Flying time
~5.5h non-stop
Airlines
Icelandair, JetBlue
Cheapest months
January, February, October

Flex dates · cheapest nearby

Loading prices…

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

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

No cached fares for exactly 2026-09-07 → 2026-09-14. Showing recent fares on BOS → KEF — pick a different date in the calendar above or run a live search.

Boston → Reykjavík · 3 fares12-month low · $403

Cached from Travelpayouts · filter & sort below

Showing 3 of 3 results

Cheapest
Icelandair · FI 630
OutboundBOS → KEFFri, Dec 11 · 12:50 AM· 5h 15m· Non-stop
ReturnKEF ← BOSThu, Dec 17 · 5:00 PM· 5h 50m· Non-stop
$403
total round-trip
Book →
Icelandair · FI 630
OutboundBOS → KEFWed, Oct 14 · 12:50 AM· 5h 15m· Non-stop
ReturnKEF ← BOSSun, Oct 18 · 5:10 PM· 5h 40m· Non-stop
$447
total round-trip
Book →
Air Canada · AC 8545
OutboundBOS → KEFWed, Oct 14 · 11:40 PM· 8h 14m· 2 stops
ReturnKEF ← BOSSat, Oct 17 · 2:45 PM· 12h 15m· 1 stop
$604
total round-trip
Book →

Try a nearby airport

Thin routes often have more options from a neighbouring airport.

Hartford (BDL) → Reykjavík (KEF)

nearby origin

Providence (PVD) → Reykjavík (KEF)

nearby origin

About Boston → Reykjavík

Shortest transatlantic from the US — red-eye over, arrive early AM. Great for northern-lights-season (Oct-Mar).

Typical non-stop flying time is around 5.5 hours. Major carriers on this route include Icelandair, JetBlue. Fares are usually cheapest in January, February, October — 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 Reykjavík

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

Jul
No data
Aug
No data
Sep
No data
Oct
Peak
from $447
Nov
No data
Dec
Low
from $403
Jan
No data
Feb
No data
Mar
No data
Apr
No data
May
No data
Jun
No data

Cheapest next 12 months: December from $403 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.

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Questions, answered

How long is the flight from Boston to Reykjavík?
Non-stop flights on BOS → KEF are typically around 5.5 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.
Which airlines fly from Boston to Reykjavík?
The main carriers on this route are Icelandair, JetBlue. 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 Reykjavík?
Historically the lowest fares land in January, February, October. 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 Reykjavík?
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.