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prices we've seen · United States fares · USD

Flights from Boston (BOS) to Reykjavik (KEF)

  • One way from $352
  • Round trip from $314
  • Nonstop on 1 of 1 date
  • Fastest 5h 15m
  • 3 airlines

The cheapest one-way fare from Boston (BOS) to Reykjavik (KEF) we have seen is $352 USD, departing Dec 9, 2026 (seen Nov 9, 2026): Icelandair FI 630, nonstop, 5h 15m.

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Prices are the fare alone; the seller shows the bag and fare rules.

Cheapest by month

Checked Nov 11

Pick a month to search the day its cheapest fare leaves.

  1. Dec 2026$352
  2. Jan 2027—
  3. Feb 2027$386

Cheapest days to fly one wayCheapest round trips

Each day's cheapest fare we've seen, nonstop and with stops. Cheapest first.

We may earn a commission from the seller · How we rank

  1. WedDec 9

    19:50

    5h 15mNonstop

    06:05+1

    Cheapest$352 USD

    Icelandair FI 630 · seen Nov 9

    Go to seller — $352

The cheapest round trips we've seen on this route, on any dates, cheapest first.

We may earn a commission from the seller · How we rank

  1. 4 nightsFeb 18–22

    19:50

    06:05+1

    Cheapest$314 USD

    Icelandair FI 630 · Nonstop · 11h 5m in all, both ways · seen Nov 6

    Go to seller — $314

  2. 5 nightsFeb 19–24

    19:50

    06:05+1

    $438 USD

    Icelandair FI 630 · Nonstop · 11h 5m in all, both ways · seen Nov 5

    Go to seller — $438

  3. 7 nightsFeb 18–25

    19:50

    06:05+1

    $458 USD

    Icelandair FI 630 · Nonstop · 11h 5m in all, both ways · seen Nov 9

    Go to seller — $458

  4. 6 nightsFeb 18–24

    19:50

    06:05+1

    $462 USD

    Icelandair FI 630 · Nonstop · 11h 5m in all, both ways · seen Nov 9

    Go to seller — $462

  5. 8 nightsDec 1–9

    19:50

    06:05+1

    $489 USD

    Icelandair FI 630 · Nonstop · 11h 5m in all, both ways · seen Nov 10

    Go to seller — $489

  6. 8 nightsFeb 16–24

    19:50

    06:05+1

    $554 USD

    Icelandair FI 630 · Nonstop · 11h 5m in all, both ways · seen Nov 9

    Go to seller — $554

  7. 7 nightsFeb 17–24

    19:50

    06:05+1

    $554 USD

    Icelandair FI 630 · Nonstop · 11h 5m in all, both ways · seen Nov 9

    Go to seller — $554

  8. 5 nightsFeb 18–23

    19:50

    06:05+1

    $555 USD

    Icelandair FI 630 · Nonstop · 11h 5m in all, both ways · seen Nov 4

    Go to seller — $555

  9. 4 nightsDec 30 – Jan 3

    17:35

    KEF

    $892 USD

    SAS SK 928 · 3 stops · 62h 30m in all, both ways · seen Nov 6

    Go to seller — $892

  10. 10 nightsNov 19–29

    09:35

    KEF

    $1,117 USD

    Air Canada AC 8541 · 6 stops · 81h 10m in all, both ways · seen Nov 9

    Go to seller — $1,117

Compare other routes

Compared with Boston → Reykjavik: $352 one way (Dec 9).

Other places from Boston

Every route from Boston →

To Reykjavik from other cities

Every route to Reykjavik →

Airlines seen on this route

  • Air Canada
  • Icelandair
  • SAS

Marketing carriers; the operating airline is shown by the seller.

Boston to Reykjavik in numbers

  • By month, Dec 2026 is the cheapest we've seen at $352 USD and Feb 2027 the most expensive at $386 USD — a spread of 10%.
  • The one departure date seen has a nonstop fare; carriers seen: Air Canada, Icelandair, SAS.
  • BOS serves Boston, United States; KEF serves Reykjavik, Iceland.
  • Reykjavik runs 5 hours ahead of Boston.

Questions

What is the cheapest fare from Boston (BOS) to Reykjavik (KEF)?

The cheapest one-way fare from Boston (BOS) to Reykjavik (KEF) we have seen is $352 USD, departing Dec 9, 2026 (seen Nov 9, 2026): Icelandair FI 630, nonstop, 5h 15m.

Is there a nonstop flight from Boston (BOS) to Reykjavik (KEF)?

The one departure date seen has a nonstop fare; carriers seen: Air Canada, Icelandair, SAS.

Which month is cheapest to fly from Boston (BOS) to Reykjavik (KEF)?

By month, Dec 2026 is the cheapest we've seen at $352 USD and Feb 2027 the most expensive at $386 USD — a spread of 10%.

How old is this price?

It is the cheapest fare we've seen for that date; the date beside it is the day it was seen, or our last check. We look again at least once a day for the routes people search, and stop showing a route's prices two days after our last look. The seller's page shows the price right now.

How does a2bflight rank results?

By price and duration only; commission never enters the order. Cheapest means cheapest among the fares we've seen for this route. A click that books may earn a2bflight a commission from the seller; the price you see is the seller's own. See how we rank and what we keep.