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Cheap flights from London, Ontario to Boston from C$ 334

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to Boston departing on 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London, Ontario to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:10 a.m. - 6:35 p.m.YXU  London-BOS Boston Logan Intl
36h 25m2 stops Calgary Toronto Pearson Intl
Multiple Airlines Logo
6:30 p.m. - 5:20 a.m.BOS  Boston Logan Intl-YXU London
10h 50m1 stop Calgary
C$ 638Multiple Airlines
Tue, 22 Sep - Tue, 29 Sep
WestJet Logo
6:10 a.m. - 5:40 p.m.YXU  London-BOS Boston Logan Intl
11h 30m1 stop Calgary
WestJet Logo
6:30 p.m. - 5:20 a.m.BOS  Boston Logan Intl-YXU London
10h 50m1 stop Calgary
C$ 737WestJet
Sat, 5 Sep - Sat, 12 Sep
Multiple Airlines Logo
5:55 p.m. - 3:50 p.m.YXU  London-BOS Boston Logan Intl
21h 55m2 stops Calgary Ottawa
Multiple Airlines Logo
10:05 a.m. - 5:20 a.m.BOS  Boston Logan Intl-YXU London
19h 15m2 stops Toronto Pearson Intl Calgary
C$ 740Multiple Airlines
Fri, 18 Sep - Sun, 20 Sep
Air Canada Logo
6:20 p.m. - 10:40 p.m.YXU  London-BOS Boston Logan Intl
4h 20m1 stop Toronto Pearson Intl
Air Canada Logo
5:00 p.m. - 9:40 p.m.BOS  Boston Logan Intl-YXU London
4h 40m1 stop Toronto Pearson Intl
C$ 743Air Canada
Fri, 2 Oct - Mon, 5 Oct
Multiple Airlines Logo
5:55 p.m. - 6:35 p.m.YXU  London-BOS Boston Logan Intl
24h 40m2 stops Calgary Toronto Pearson Intl
Multiple Airlines Logo
6:30 p.m. - 5:20 a.m.BOS  Boston Logan Intl-YXU London
10h 50m1 stop Calgary
C$ 743Multiple Airlines
Sat, 5 Sep - Sat, 12 Sep
Air Canada Logo
5:40 a.m. - 11:47 a.m.YXU  London-BOS Boston Logan Intl
6h 07m1 stop Toronto Pearson Intl
Air Canada Logo
10:50 a.m. - 2:50 p.m.BOS  Boston Logan Intl-YXU London
4h 00m1 stop Toronto Pearson Intl
C$ 744Air Canada
Sun, 6 Sep - Thu, 10 Sep
Multiple Airlines Logo
5:55 p.m. - 6:35 p.m.YXU  London-BOS Boston Logan Intl
24h 40m2 stops Calgary Toronto Pearson Intl
Multiple Airlines Logo
6:30 p.m. - 5:20 a.m.BOS  Boston Logan Intl-YXU London
10h 50m1 stop Calgary
C$ 744Multiple Airlines
Sat, 5 Sep - Sat, 12 Sep
Air Canada Logo
5:40 a.m. - 11:47 a.m.YXU  London-BOS Boston Logan Intl
6h 07m1 stop Toronto Pearson Intl
Air Canada Logo
10:50 a.m. - 2:50 p.m.BOS  Boston Logan Intl-YXU London
4h 00m1 stop Toronto Pearson Intl
C$ 746Air Canada
Sun, 6 Sep - Thu, 10 Sep
Air Canada Logo
6:20 p.m. - 10:40 p.m.YXU  London-BOS Boston Logan Intl
4h 20m1 stop Toronto Pearson Intl
Air Canada Logo
10:40 a.m. - 5:45 p.m.BOS  Boston Logan Intl-YXU London
7h 05m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
C$ 747Air Canada
Fri, 2 Oct - Mon, 5 Oct
Air Canada Logo
5:40 a.m. - 9:55 a.m.YXU  London-BOS Boston Logan Intl
4h 15m1 stop Toronto Pearson Intl
Air Canada Logo
10:50 a.m. - 2:50 p.m.BOS  Boston Logan Intl-YXU London
4h 00m1 stop Toronto Pearson Intl
C$ 748Air Canada
Thu, 10 Sep - Sun, 13 Sep

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Air Canada flights from London, Ontario to Boston

Our best Air Canada deals on London, Ontario to Boston flight tickets
Air Canada
6 Sep
YXU5:40 a.m.London
6h 07m
1 stop
BOS11:47 a.m.Boston Logan Intl
10 Sep
BOS10:50 a.m.Boston Logan Intl
4h 00m
1 stop
YXU2:50 p.m.London
C$ 746
Air Canada
2 Oct
YXU6:20 p.m.London
4h 20m
1 stop
BOS10:40 p.m.Boston Logan Intl
5 Oct
BOS10:40 a.m.Boston Logan Intl
7h 05m
2 stops
YXU5:45 p.m.London
C$ 747
Air Canada
11 Sep
YXU6:20 p.m.London
4h 20m
1 stop
BOS10:40 p.m.Boston Logan Intl
13 Sep
BOS10:50 a.m.Boston Logan Intl
4h 00m
1 stop
YXU2:50 p.m.London
C$ 748

United Airlines flights from London, Ontario to Boston

Our best United Airlines deals on London, Ontario to Boston flight tickets
United Airlines
23 Sep
YXU10:05 a.m.London
6h 00m
1 stop
BOS4:05 p.m.Boston Logan Intl
30 Sep
BOS6:00 a.m.Boston Logan Intl
8h 50m
2 stops
YXU2:50 p.m.London
C$ 1,027
United Airlines
23 Sep
YXU10:05 a.m.London
6h 43m
2 stops
BOS4:48 p.m.Boston Logan Intl
30 Sep
BOS7:01 a.m.Boston Logan Intl
7h 49m
2 stops
YXU2:50 p.m.London
C$ 1,035
United Airlines
5 Sep
YXU6:20 p.m.London
4h 18m
1 stop
BOS10:38 p.m.Boston Logan Intl
12 Sep
BOS12:30 p.m.Boston Logan Intl
5h 13m
1 stop
YXU5:43 p.m.London
C$ 1,069

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 10 August 2026.
Use the filters below to find and compare flights from London, Ontario to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBoston

YXU London - BOS Boston Logan Intl

YXUBOS

London

Tue 22/9

6:10 a.m.-6:35 p.m.

2 stops36h 25m

Boston Logan Intl

Tue 29/9

6:30 p.m.-5:20 a.m.

1 stop10h 50m

C$ 638

LondonBoston

YXU London - BOS Boston Logan Intl

YXUBOS

London

Sat 5/9

6:10 a.m.-5:40 p.m.

1 stop11h 30m

Boston Logan Intl

Sat 12/9

6:30 p.m.-5:20 a.m.

1 stop10h 50m

C$ 737

LondonBoston

YXU London - BOS Boston Logan Intl

YXUBOS

London

Fri 18/9

5:55 p.m.-3:50 p.m.

2 stops21h 55m

Boston Logan Intl

Sun 20/9

10:05 a.m.-5:20 a.m.

2 stops19h 15m

C$ 740

LondonBoston

YXU London - BOS Boston Logan Intl

YXUBOS

London

Fri 2/10

6:20 p.m.-10:40 p.m.

1 stop4h 20m

Boston Logan Intl

Mon 5/10

5:00 p.m.-9:40 p.m.

1 stop4h 40m

C$ 743

LondonBoston

YXU London - BOS Boston Logan Intl

YXUBOS

London

Sat 5/9

5:55 p.m.-6:35 p.m.

2 stops24h 40m

Boston Logan Intl

Sat 12/9

6:30 p.m.-5:20 a.m.

1 stop10h 50m

C$ 743

LondonBoston

YXU London - BOS Boston Logan Intl

YXUBOS

London

Sun 6/9

5:40 a.m.-11:47 a.m.

1 stop6h 07m

Boston Logan Intl

Thu 10/9

10:50 a.m.-2:50 p.m.

1 stop4h 00m

C$ 744

LondonBoston

YXU London - BOS Boston Logan Intl

YXUBOS

London

Sat 5/9

5:55 p.m.-6:35 p.m.

2 stops24h 40m

Boston Logan Intl

Sat 12/9

6:30 p.m.-5:20 a.m.

1 stop10h 50m

C$ 744

LondonBoston

YXU London - BOS Boston Logan Intl

YXUBOS

London

Sun 6/9

5:40 a.m.-11:47 a.m.

1 stop6h 07m

Boston Logan Intl

Thu 10/9

10:50 a.m.-2:50 p.m.

1 stop4h 00m

C$ 746

LondonBoston

YXU London - BOS Boston Logan Intl

YXUBOS

London

Fri 2/10

6:20 p.m.-10:40 p.m.

1 stop4h 20m

Boston Logan Intl

Mon 5/10

10:40 a.m.-5:45 p.m.

2 stops7h 05m

C$ 747
Quickest round-trip

LondonBoston

YXU London - BOS Boston Logan Intl

YXUBOS

London

Thu 10/9

5:40 a.m.-9:55 a.m.

1 stop4h 15m

Boston Logan Intl

Sun 13/9

10:50 a.m.-2:50 p.m.

1 stop4h 00m

C$ 748

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

How to get the cheapest flight ticket from London, Ontario to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from London to Boston Logan Intl?

Air Canada and WestJet are the most popular carriers operating from London to Boston Logan Intl

Which airlines fly to Boston?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Boston from London, Ontario according to our data. Air Canada is the first choice among our users, with 59% of people opting to fly with this airline when travelling to Boston. Keep in mind that there are 4 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

When to book flights from London, Ontario to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from London, Ontario to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London, Ontario to Boston (YXU to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Boston

Fastest flight time

6h 11m

Direct flights

None
The fastest flight from London, Ontario to Boston takes 6h 11m
There are no direct flights from London, Ontario to Boston. There are no popular flight routes from London, Ontario to Boston.
Search flight deals

Frequently asked questions about flying from London, Ontario to Boston

  • How far is London to Boston Logan Intl by plane?

    Boston Logan Intl is 833.6 km away from London. A reasonable flight in good conditions will take 6h 11m.

  • When did momondo last update prices for flights from London Airport to Boston Logan Intl Airport?

    Prices for flights from London Airport to Boston Logan Intl Airport refresh daily.

  • How old do you have to be to fly from London Airport to Boston Logan Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Old Orchard Beach
Hampton Beach
Ogunquit
Chelsea
Kennebunkport
Needham
Everett
Wells
Warwick
Foxborough
Burlington
Scarborough
Salem
Waltham
Westbrook
Saco
Seabrook
Watertown
Woburn
Brookline

Why use momondo?

Why should I use momondo to find a flight deal from London to Boston?

Finding the right flight to Boston from London is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boston quick and easy, saving you time and money.

Can I find flights from London to Boston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Boston from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Boston?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Boston.

I’m not ready to book a flight from London to Boston right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Boston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Boston and let you know when they change.

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