Find flights
When to book
Airlines
FAQs
English
Round-trip from | C$ 679 |
---|---|
Popular in | September |
Cheapest in | July |
Average price | C$ 459 |
Fly from
Fly to
Route
Depart
Return
Price
LondonBoston
YXU - BOS
YXUBOS
London
Sun 31/8
9:55 a.m.-6:00 p.m.
2 stops8h 05m
Boston Logan Intl
Sun 7/9
6:00 a.m.-3:02 p.m.
2 stops9h 02m
LondonBoston
YXU - BOS
YXUBOS
London
Sat 16/8
6:00 a.m.-11:31 a.m.
3 stops29h 31m
Boston Logan Intl
Sat 23/8
3:50 p.m.-5:14 a.m.
2 stops13h 24m
Currently, May is the cheapest month in which you can book a flight from London, Ontario to Boston (average of C$ 291). Flying from London, Ontario to Boston in April is currently the most expensive (average of C$ 350). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Overall
Entertainment
Food
Comfort
Boarding
Crew
Reviews
Jadi-Ann,Jun 2025
YYZ - KIN
Overall
Entertainment
Food
Comfort
Boarding
Crew
Reviews
Jadi-Ann,Jun 2025
YYZ - KIN
Deals for London to Boston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Boston.
Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Boston flexibly with Cheapflights today.
Yes! Start tracking prices for London to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.