Boston to London flight prices by month
In our check on 6 Nov, February had the lowest fares from Boston to London: a typical one-way fare of $258, with the lowest at $258 on 1 Feb. May was the most expensive month, with a typical fare of $304.
Last checked · one way · economy · 1 adult · 200 departure days
Cheapest month to fly Boston to London
| Month | Typical fare | Lowest fare |
|---|---|---|
| November 2026 | $300 | $258 |
| December 2026 | $303 | $258 |
| January 2027 | $300 | $258 |
| February 2027 | $258 | $258 |
| March 2027 | $258 | $248 |
| April 2027 | $258 | $248 |
| May 2027 | $304 | $266 |
Typical fare: the middle price of all departure days that month.
Cheapest day of the week
Sundays and Mondays had the lowest typical fares in our check: $258 and $258 one way. Saturdays were the most expensive at $304.
Cheapest dates in our check
- Mon, 29 Mar 2027 $248
- Wed, 28 Apr 2027 $248
- Sun, 15 Nov 2026 $258
- Mon, 16 Nov 2026 $258
- Tue, 17 Nov 2026 $258
What target price should I set?
Try about $258. In our check on 6 Nov, about one in four departure days in the next three months was at or below that price, so it is low but reachable. A target far below the lowest fares we saw may never be reached. More in how to set a realistic target price.
Questions
What is the cheapest month to fly from Boston to London?
In our check on 6 Nov, February had the lowest typical one-way economy fare from Boston to London: $258, with the lowest at $258. May was the most expensive at a typical $304.
What is the cheapest day of the week to fly from Boston to London?
Sundays had the lowest typical fare in our check on 6 Nov ($258 one way), and Saturdays the highest ($304).
How much is a one-way flight from Boston to London?
In our check on 6 Nov, one-way economy fares for one adult over the next 7 months started at $248 (29 Mar), and the typical fare was $300. Fares change daily, so check the price for your dates.
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How we get these numbers: the lowest one-way economy fare for one adult on each departure day, from Trigger's daily checks with travel data partners. Prices are in US dollars, converted to your currency in the table. Fares change often; confirm the price on the booking site before you pay.