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Cheap flights from London, Ontario to Boston from C$ 349

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 31/3. 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

Enter your travel dates to find the best prices.
Air Canada Logo
5:10 a.m. - 9:56 a.m.
YXU
-
BOS
4h 46m
1 stop
Air Canada Logo
10:45 a.m. - 5:03 p.m.
BOS
-
YXU
6h 18m
1 stop
C$ 636Air Canada
Sun, 29 Mar - Sun, 5 Apr
Air Canada Logo
5:40 p.m. - 10:37 p.m.
YXU
-
BOS
4h 57m
1 stop
Air Canada Logo
4:40 p.m. - 9:21 p.m.
BOS
-
YXU
4h 41m
1 stop
C$ 637Air Canada
Mon, 2 Mar - Wed, 4 Mar
Air Canada Logo
9:25 a.m. - 3:57 p.m.
YXU
-
BOS
6h 32m
1 stop
Air Canada Logo
4:40 p.m. - 9:21 p.m.
BOS
-
YXU
4h 41m
1 stop
C$ 639Air Canada
Mon, 2 Mar - Wed, 4 Mar
Air Canada Logo
9:25 a.m. - 3:57 p.m.
YXU
-
BOS
6h 32m
1 stop
Air Canada Logo
4:40 p.m. - 9:21 p.m.
BOS
-
YXU
4h 41m
1 stop
C$ 641Air Canada
Mon, 2 Mar - Wed, 4 Mar
Air Canada Logo
5:10 a.m. - 2:52 p.m.
YXU
-
BOS
9h 42m
2 stops
Air Canada Logo
1:00 p.m. - 5:05 p.m.
BOS
-
YXU
4h 05m
1 stop
C$ 643Air Canada
Mon, 2 Mar - Wed, 4 Mar
Air Canada Logo
5:10 a.m. - 2:52 p.m.
YXU
-
BOS
9h 42m
2 stops
Air Canada Logo
10:45 a.m. - 5:05 p.m.
BOS
-
YXU
6h 20m
1 stop
C$ 644Air Canada
Mon, 2 Mar - Wed, 4 Mar
Air Canada Logo
9:25 a.m. - 7:12 p.m.
YXU
-
BOS
9h 47m
2 stops
Air Canada Logo
1:00 p.m. - 5:05 p.m.
BOS
-
YXU
4h 05m
1 stop
C$ 645Air Canada
Mon, 2 Mar - Wed, 4 Mar
Air Canada Logo
9:40 a.m. - 7:12 p.m.
YXU
-
BOS
9h 32m
2 stops
Air Canada Logo
10:45 a.m. - 5:03 p.m.
BOS
-
YXU
6h 18m
1 stop
C$ 647Air Canada
Sun, 29 Mar - Sun, 5 Apr
Air Canada Logo
9:40 a.m. - 7:12 p.m.
YXU
-
BOS
9h 32m
2 stops
Air Canada Logo
1:00 p.m. - 5:05 p.m.
BOS
-
YXU
4h 05m
1 stop
C$ 651Air Canada
Thu, 12 Mar - Thu, 19 Mar
Air Canada Logo
9:40 a.m. - 7:12 p.m.
YXU
-
BOS
9h 32m
2 stops
Air Canada Logo
10:40 a.m. - 9:18 p.m.
BOS
-
YXU
10h 38m
2 stops
C$ 659Air Canada
Sun, 29 Mar - Sun, 5 Apr

Air Canada flights from London, Ontario to Boston

Our best Air Canada deals on London, Ontario to Boston flight tickets
Air Canada
29 Mar
YXU5:10 a.m.London
4h 46m
1 stop
BOS9:56 a.m.Boston Logan Intl
5 Apr
BOS10:45 a.m.Boston Logan Intl
6h 18m
1 stop
YXU5:03 p.m.London
C$ 636
Air Canada
2 Mar
YXU5:40 p.m.London
4h 57m
1 stop
BOS10:37 p.m.Boston Logan Intl
4 Mar
BOS4:40 p.m.Boston Logan Intl
4h 41m
1 stop
YXU9:21 p.m.London
C$ 637
Air Canada
1 Mar
YXU5:40 p.m.London
4h 57m
1 stop
BOS10:37 p.m.Boston Logan Intl
11 Mar
BOS10:45 a.m.Boston Logan Intl
6h 20m
1 stop
YXU5:05 p.m.London
C$ 639

United Airlines flights from London, Ontario to Boston

Our best United Airlines deals on London, Ontario to Boston flight tickets
United Airlines
12 Mar
YXU5:10 a.m.London
4h 52m
1 stop
BOS10:02 a.m.Boston Logan Intl
19 Mar
BOS1:00 p.m.Boston Logan Intl
4h 05m
1 stop
YXU5:05 p.m.London
C$ 726
United Airlines
2 Mar
YXU5:40 p.m.London
6h 17m
2 stops
BOS11:57 p.m.Boston Logan Intl
4 Mar
BOS9:30 a.m.Boston Logan Intl
7h 35m
2 stops
YXU5:05 p.m.London
C$ 730
United Airlines
2 Mar
YXU5:40 p.m.London
6h 17m
2 stops
BOS11:57 p.m.Boston Logan Intl
4 Mar
BOS7:05 a.m.Boston Logan Intl
10h 00m
2 stops
YXU5:05 p.m.London
C$ 731

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 15 February 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

LondonBoston

YXU - BOS

YXUBOS

London

Sun 29/3

5:10 a.m.-9:56 a.m.

1 stop4h 46m

Boston Logan Intl

Sun 5/4

10:45 a.m.-5:03 p.m.

1 stop6h 18m

C$ 636

LondonBoston

YXU - BOS

YXUBOS

London

Mon 2/3

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

1 stop4h 57m

Boston Logan Intl

Wed 4/3

4:40 p.m.-9:21 p.m.

1 stop4h 41m

C$ 637

LondonBoston

YXU - BOS

YXUBOS

London

Mon 2/3

9:25 a.m.-3:57 p.m.

1 stop6h 32m

Boston Logan Intl

Wed 4/3

4:40 p.m.-9:21 p.m.

1 stop4h 41m

C$ 639

LondonBoston

YXU - BOS

YXUBOS

London

Mon 2/3

9:25 a.m.-3:57 p.m.

1 stop6h 32m

Boston Logan Intl

Wed 4/3

4:40 p.m.-9:21 p.m.

1 stop4h 41m

C$ 641

LondonBoston

YXU - BOS

YXUBOS

London

Mon 2/3

5:10 a.m.-2:52 p.m.

2 stops9h 42m

Boston Logan Intl

Wed 4/3

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

1 stop4h 05m

C$ 643

LondonBoston

YXU - BOS

YXUBOS

London

Mon 2/3

5:10 a.m.-2:52 p.m.

2 stops9h 42m

Boston Logan Intl

Wed 4/3

10:45 a.m.-5:05 p.m.

1 stop6h 20m

C$ 644

LondonBoston

YXU - BOS

YXUBOS

London

Mon 2/3

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

2 stops9h 47m

Boston Logan Intl

Wed 4/3

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

1 stop4h 05m

C$ 645

LondonBoston

YXU - BOS

YXUBOS

London

Sun 29/3

9:40 a.m.-7:12 p.m.

2 stops9h 32m

Boston Logan Intl

Sun 5/4

10:45 a.m.-5:03 p.m.

1 stop6h 18m

C$ 647

LondonBoston

YXU - BOS

YXUBOS

London

Thu 12/3

9:40 a.m.-7:12 p.m.

2 stops9h 32m

Boston Logan Intl

Thu 19/3

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

1 stop4h 05m

C$ 651

LondonBoston

YXU - BOS

YXUBOS

London

Sun 29/3

9:40 a.m.-7:12 p.m.

2 stops9h 32m

Boston Logan Intl

Sun 5/4

10:40 a.m.-9:18 p.m.

2 stops10h 38m

C$ 659

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 United Airlines are the most popular carriers operating from London to Boston Logan Intl

Which airlines fly to Boston?

Air Canada, United Airlines and Porter 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 82% of people opting to fly with this airline when travelling to Boston. Keep in mind that there are 5 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

4h 57m

Direct flights

None
The fastest flight from London, Ontario to Boston takes 4h 57m
There are no direct flights from London, Ontario to Boston. There are no popular flight routes from London, Ontario to Boston.
Search flight deals

  • 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 57m.

  • 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$ 630Free CancellationRating
7.1
10,721 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
Everett
Wells
Ogunquit
Dedham
West Yarmouth
Needham
Cambridge
Waltham
Saco
Warwick
Westbrook
Burlington
Foxborough
Scarborough
Cape Neddick
Fitchburg
Salem
Quincy

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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