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Cheap flights from London, Ontario to Boston from C$ 388

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 30/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London, Ontario to Boston

Cheap round-trip flights

Air Canada Logo
9:55 a.m. - 10:39 p.m.YXU-BOS
12h 44m1 stop
Air Canada Logo
4:45 p.m. - 9:27 p.m.BOS-YXU
4h 42m1 stop
C$ 813Air Canada
Find Deal
Tue, 14 Oct - Mon, 20 Oct
Air Canada Logo
6:15 a.m. - 11:29 a.m.YXU-BOS
5h 14m1 stop
Air Canada Logo
6:00 a.m. - 3:02 p.m.BOS-YXU
9h 02m2 stops
C$ 838Air Canada
Find Deal
Tue, 7 Oct - Mon, 13 Oct
Air Canada Logo
6:15 a.m. - 2:30 p.m.YXU-BOS
8h 15m2 stops
Air Canada Logo
6:00 a.m. - 3:02 p.m.BOS-YXU
9h 02m2 stops
C$ 879Air Canada
Find Deal
Tue, 7 Oct - Mon, 13 Oct
Air Canada Logo
6:15 a.m. - 11:29 a.m.YXU-BOS
5h 14m1 stop
Air Canada Logo
6:55 p.m. - 9:17 a.m.BOS-YXU
14h 22m1 stop
C$ 931Air Canada
Find Deal
Tue, 7 Oct - Mon, 13 Oct
United Airlines Logo
9:25 a.m. - 5:15 p.m.YXU-BOS
7h 50m2 stops
United Airlines Logo
5:30 a.m. - 9:21 p.m.BOS-YXU
15h 51m2 stops
C$ 940United Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov
United Airlines Logo
5:45 a.m. - 9:57 a.m.YXU-BOS
4h 12m1 stop
United Airlines Logo
1:00 p.m. - 5:05 p.m.BOS-YXU
4h 05m1 stop
C$ 979United Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov

Air Canada flights from London, Ontario to Boston

Our best Air Canada deals on London, Ontario to Boston flight tickets
Air Canada
14 Oct
YXU9:55 a.m.London
12h 44m
1 stop
BOS10:39 p.m.Boston Logan Intl
20 Oct
BOS4:45 p.m.Boston Logan Intl
4h 42m
1 stop
YXU9:27 p.m.London
C$ 813
Find similar
Air Canada
7 Oct
YXU6:15 a.m.London
5h 14m
1 stop
BOS11:29 a.m.Boston Logan Intl
13 Oct
BOS6:00 a.m.Boston Logan Intl
9h 02m
2 stops
YXU3:02 p.m.London
C$ 838
Find similar
Air Canada
7 Oct
YXU6:15 a.m.London
8h 15m
2 stops
BOS2:30 p.m.Boston Logan Intl
13 Oct
BOS6:00 a.m.Boston Logan Intl
9h 02m
2 stops
YXU3:02 p.m.London
C$ 879
Find similar

United Airlines flights from London, Ontario to Boston

Our best United Airlines deals on London, Ontario to Boston flight tickets
United Airlines
31 Oct
YXU9:25 a.m.London
7h 50m
2 stops
BOS5:15 p.m.Boston Logan Intl
7 Nov
BOS5:30 a.m.Boston Logan Intl
15h 51m
2 stops
YXU9:21 p.m.London
C$ 940
Find similar
United Airlines
31 Oct
YXU5:45 a.m.London
4h 12m
1 stop
BOS9:57 a.m.Boston Logan Intl
7 Nov
BOS1:00 p.m.Boston Logan Intl
4h 05m
1 stop
YXU5:05 p.m.London
C$ 979
Find similar
United Airlines
20 Sep
YXU6:10 a.m.London
5h 17m
1 stop
BOS11:27 a.m.Boston Logan Intl
27 Sep
BOS10:40 a.m.Boston Logan Intl
4h 37m
1 stop
YXU3:17 p.m.London
C$ 1,382
Find similar

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 17 September 2025.
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

LondonBoston

YXU - BOS

YXUBOS

London

Tue 14/10

9:55 a.m.-10:39 p.m.

1 stop12h 44m

Boston Logan Intl

Mon 20/10

4:45 p.m.-9:27 p.m.

1 stop4h 42m

C$ 813

LondonBoston

YXU - BOS

YXUBOS

London

Tue 7/10

6:15 a.m.-11:29 a.m.

1 stop5h 14m

Boston Logan Intl

Mon 13/10

6:00 a.m.-3:02 p.m.

2 stops9h 02m

C$ 838

LondonBoston

YXU - BOS

YXUBOS

London

Tue 7/10

6:15 a.m.-2:30 p.m.

2 stops8h 15m

Boston Logan Intl

Mon 13/10

6:00 a.m.-3:02 p.m.

2 stops9h 02m

C$ 879

LondonBoston

YXU - BOS

YXUBOS

London

Tue 7/10

6:15 a.m.-11:29 a.m.

1 stop5h 14m

Boston Logan Intl

Mon 13/10

6:55 p.m.-9:17 a.m.

1 stop14h 22m

C$ 931

LondonBoston

YXU - BOS

YXUBOS

London

Fri 31/10

9:25 a.m.-5:15 p.m.

2 stops7h 50m

Boston Logan Intl

Fri 7/11

5:30 a.m.-9:21 p.m.

2 stops15h 51m

C$ 940

LondonBoston

YXU - BOS

YXUBOS

London

Fri 31/10

5:45 a.m.-9:57 a.m.

1 stop4h 12m

Boston Logan Intl

Fri 7/11

1:00 p.m.-5:05 p.m.

1 stop4h 05m

C$ 979

LondonBoston

YXU - BOS

YXUBOS

London

Thu 30/10

9:25 a.m.-7:12 p.m.

2 stops9h 47m

C$ 388

LondonBoston

YXU - BOS

YXUBOS

London

Fri 31/10

5:40 p.m.-10:37 p.m.

1 stop4h 57m

C$ 393

LondonBoston

YXU - BOS

YXUBOS

London

Thu 30/10

5:45 a.m.-9:57 a.m.

1 stop4h 12m

C$ 429

LondonBoston

YXU - BOS

YXUBOS

London

Thu 30/10

5:45 a.m.-3:17 p.m.

2 stops9h 32m

C$ 436

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 day to depart on your flight to Boston?

On average, the least expensive day to fly to Boston from London, Ontario is on a Monday. momondo users have found tickets for Monday departures for as low as C$ 644. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London, Ontario to Boston on a Saturday will generally be more expensive and average around C$ 1,686. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Boston?

Flying to Boston from London, Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as C$ 631 when looking at flights departing in the afternoon. Flights in the morning are often more expensive with an average ticket price of C$ 661.

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

Direct flights

None
There are no direct flights from London, Ontario to Boston. There are no popular flight routes from London, Ontario to Boston.
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  • 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 4h 12m.

  • 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 many operators does momondo search for flights from London Airport to Boston Logan Intl Airport?

  • 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.

  • What is the most popular airline from London, Ontario to Boston?

Best airlines flying from London, Ontario to Boston

Compare and see reviews for airlines that fly from London, Ontario to Boston with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 637Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Old Orchard Beach
Salem
Ogunquit
Wells
Cambridge
Everett
Needham
Newton
West Yarmouth
Saco
Middletown
Westbrook
Burlington
Sturbridge
Scarborough
Cape Neddick
Waltham
Quincy
Peabody

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.

An easier way to manage your Boston trip

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