Cheap flights from Boston to Reykjavik from $360 BOS → KEF
Logan International Airport (BOS) → Keflavik International Airport (KEF)
The cheapest return found recently is $436 with Icelandair, 19 Feb 2027 – 24 Feb 2027, found 19 hours ago. The cheapest one-way found recently is $360 with Icelandair, 11 Dec, found 2 days ago.
- Cheapest one-way found recently
- $360, Icelandair, found 2 days ago
- Cheapest return found recently
- $436, 19 Feb 2027 to 24 Feb 2027
- Usual return price
- $458 to $554
- Cheapest month to fly
- February 2027, return fares from $436 found in the last 7 days
- Airlines with nonstop flights
- Icelandair
- Shortest nonstop flight found
- 5 h 15 min
Return
The cheapest return fare on each of 5 departure dates is usually $458 to $554.
Cheapest return found recently
$436
19 Feb 2027 – 24 Feb 2027 · Icelandair
Logan International Airport (BOS) → Keflavik International Airport (KEF)
Leaves 7:50 p.m. · Return leaves 5:00 p.m. · 11 h 5 min of travel, both ways together
out nonstop, back nonstop
found 19 hours ago
Cheapest nonstop return
$436
19 Feb 2027 – 24 Feb 2027 · Icelandair
Logan International Airport (BOS) → Keflavik International Airport (KEF)
Leaves 7:50 p.m. · Return leaves 5:00 p.m. · 11 h 5 min of travel, both ways together
out nonstop, back nonstop
found 19 hours ago
Found recently, and the cheapest we hold
$436 19 Feb 2027 – 24 Feb 2027found 19 hours agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 48 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $320 to $761.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 5 departure dates from 1 Dec to 19 Feb 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 5-night return fares leaving within 3 days of 19 Feb 2027 to compare.
Every date we hold
16 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Dec – 9 Dec | $489 | Icelandair | Logan International Airport (BOS) → Keflavik International Airport (KEF) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 16 Feb 2027 – 24 Feb 2027 | $554 | Icelandair | Logan International Airport (BOS) → Keflavik International Airport (KEF) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 17 Feb 2027 – 24 Feb 2027 | $554 | Icelandair | Logan International Airport (BOS) → Keflavik International Airport (KEF) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 18 Feb 2027 – 25 Feb 2027 | $458 | Icelandair | Logan International Airport (BOS) → Keflavik International Airport (KEF) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 19 Feb 2027 – 24 Feb 2027 | $436 | Icelandair | Logan International Airport (BOS) → Keflavik International Airport (KEF) | out nonstop, back nonstop | found 19 hours ago | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $436.
Airlines on the cheapest dates: Icelandair.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$360
11 Dec · Icelandair
Logan International Airport (BOS) → Keflavik International Airport (KEF)
Leaves 7:50 p.m. · 5 h 15 min trip
nonstop
found 2 days ago
Cheapest nonstop one-way
$360
11 Dec · Icelandair
Logan International Airport (BOS) → Keflavik International Airport (KEF)
Leaves 7:50 p.m. · 5 h 15 min trip
nonstop
found 2 days ago
Found recently, and the cheapest we hold
$360 11 Decfound 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 19 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $360 to $389.
At $360, the cheapest one-way found recently is at the low end of that range.
19 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 11 Dec to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 11 Dec | $360 | Icelandair | Logan International Airport (BOS) → Keflavik International Airport (KEF) | nonstop | found 2 days ago | Open this trip |
Airlines on the cheapest dates: Icelandair.
Premium cabin fares from Boston to Reykjavik
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 19 Feb 2027 – 24 Feb 2027 in another cabin: Premium economy · Business · First
Today's prices for 11 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Boston to Reykjavik?
Return
Fares 60 to 89 days before departure were typically 32% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (48 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $619 | $506 | +47% | 14 |
| 14–29 days | $607 | $489 | +44% | 16 |
| 30–59 days | $892 | $421 | +112% | 11 |
| 60–89 days | $421 | $416 | Cheapest seen | 19 |
| 90–179 days | $438 | $320 | +4% | 45 |
| 180+ days | $489 | $483 | +16% | 16 |
One-way
Not enough history yet: in 19 days of one-way prices, 24 Sept to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 19 Feb 2027 – 24 Feb 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Boston to Reykjavik?
The cheapest return found recently is $436 with Icelandair, 19 Feb 2027 to 24 Feb 2027, found 19 hours ago. The cheapest return fare on each of 5 departure dates is usually $458 to $554.
How much is a one-way flight from Boston to Reykjavik?
The cheapest one-way found recently is $360 with Icelandair, 11 Dec, found 2 days ago.
What is the cheapest month to fly from Boston to Reykjavik?
February 2027 is the cheapest month for a return, from $436, 19 Feb 2027 to 24 Feb 2027, found 19 hours ago.
How far ahead should I book a flight from Boston to Reykjavik?
In 48 days of prices between 24 Sept and 12 Nov, return fares 60 to 89 days before departure were typically 32% lower than 0 to 6 days before departure.
Is there a direct flight from Boston to Reykjavik?
Yes, the cheapest nonstop return found recently is $436 with Icelandair, 19 Feb 2027 to 24 Feb 2027, found 19 hours ago. The cheapest nonstop one-way found recently is $360 with Icelandair, 11 Dec, found 2 days ago.
How long is the flight from Boston to Reykjavik?
The cheapest nonstop one-way found recently, with Icelandair on 11 Dec, takes 5 h 15 min from Logan International Airport (BOS) to Keflavik International Airport (KEF).
Which airlines have the cheapest flights from Boston to Reykjavik?
Between 1 Dec and 19 Feb 2027, Icelandair has the cheapest return on all 5 departure dates we hold.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work