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Cheap flights from London, Ontario to Boston from C$ 395

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 31/8. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London, Ontario to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
2:40 p.m. - 10:20 p.m.
YXU
-
BOS
31h 40m
2 stops
WestJet Logo
6:30 p.m. - 5:20 a.m.
BOS
-
YXU
10h 50m
1 stop
C$ 675WestJet
Sun, 30 Aug - Sun, 6 Sep
WestJet Logo
5:55 p.m. - 10:20 p.m.
YXU
-
BOS
28h 25m
1 stop
WestJet Logo
7:25 a.m. - 5:20 a.m.
BOS
-
YXU
21h 55m
1 stop
C$ 687WestJet
Sun, 30 Aug - Sun, 6 Sep
Multiple Airlines Logo
6:10 a.m. - 10:20 p.m.
YXU
-
BOS
16h 10m
1 stop
Multiple Airlines Logo
7:00 a.m. - 5:20 a.m.
BOS
-
YXU
22h 20m
3 stops
C$ 735Multiple Airlines
Mon, 31 Aug - Mon, 7 Sep
Air Canada Logo
9:15 a.m. - 2:17 p.m.
YXU
-
BOS
5h 02m
1 stop
Air Canada Logo
5:30 a.m. - 2:42 p.m.
BOS
-
YXU
9h 12m
2 stops
C$ 736Air Canada
Tue, 1 Dec - Thu, 3 Dec
Air Canada Logo
9:15 a.m. - 2:53 p.m.
YXU
-
BOS
5h 38m
2 stops
Air Canada Logo
5:30 a.m. - 2:42 p.m.
BOS
-
YXU
9h 12m
2 stops
C$ 740Air Canada
Tue, 1 Dec - Thu, 3 Dec
Multiple Airlines Logo
6:10 a.m. - 10:20 p.m.
YXU
-
BOS
16h 10m
1 stop
Multiple Airlines Logo
3:35 p.m. - 5:20 a.m.
BOS
-
YXU
13h 45m
2 stops
C$ 749Multiple Airlines
Mon, 31 Aug - Mon, 7 Sep
Multiple Airlines Logo
5:55 p.m. - 2:41 p.m.
YXU
-
BOS
20h 46m
2 stops
Multiple Airlines Logo
7:00 a.m. - 5:20 a.m.
BOS
-
YXU
22h 20m
3 stops
C$ 755Multiple Airlines
Mon, 31 Aug - Mon, 7 Sep
Air Canada Logo
5:40 a.m. - 9:53 a.m.
YXU
-
BOS
4h 13m
1 stop
Air Canada Logo
12:30 p.m. - 5:43 p.m.
BOS
-
YXU
5h 13m
1 stop
C$ 763Air Canada
Sun, 6 Sep - Wed, 9 Sep
Multiple Airlines Logo
2:40 p.m. - 4:00 p.m.
YXU
-
BOS
25h 20m
3 stops
Multiple Airlines Logo
6:30 p.m. - 5:20 a.m.
BOS
-
YXU
10h 50m
1 stop
C$ 764Multiple Airlines
Sun, 30 Aug - Sun, 6 Sep
Air Canada Logo
5:40 a.m. - 2:41 p.m.
YXU
-
BOS
9h 01m
2 stops
Air Canada Logo
12:30 p.m. - 5:43 p.m.
BOS
-
YXU
5h 13m
1 stop
C$ 769Air Canada
Sun, 6 Sep - Wed, 9 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
1 Dec
YXU9:15 a.m.London
5h 02m
1 stop
BOS2:17 p.m.Boston Logan Intl
3 Dec
BOS5:30 a.m.Boston Logan Intl
9h 12m
2 stops
YXU2:42 p.m.London
C$ 736
Air Canada
26 Aug
YXU5:40 a.m.London
9h 01m
2 stops
BOS2:41 p.m.Boston Logan Intl
2 Sep
BOS5:45 a.m.Boston Logan Intl
9h 05m
2 stops
YXU2:50 p.m.London
C$ 738
Air Canada
26 Aug
YXU10:05 a.m.London
5h 58m
1 stop
BOS4:03 p.m.Boston Logan Intl
2 Sep
BOS5:45 a.m.Boston Logan Intl
9h 05m
2 stops
YXU2:50 p.m.London
C$ 740

WestJet flights from London, Ontario to Boston

Our best WestJet deals on London, Ontario to Boston flight tickets
WestJet
30 Aug
YXU2:40 p.m.London
31h 40m
2 stops
BOS10:20 p.m.Boston Logan Intl
6 Sep
BOS6:30 p.m.Boston Logan Intl
10h 50m
1 stop
YXU5:20 a.m.London
C$ 675
WestJet
30 Aug
YXU5:55 p.m.London
28h 25m
1 stop
BOS10:20 p.m.Boston Logan Intl
6 Sep
BOS7:25 a.m.Boston Logan Intl
21h 55m
1 stop
YXU5:20 a.m.London
C$ 687
WestJet
6 Sep
YXU6:10 a.m.London
11h 30m
1 stop
BOS5:40 p.m.Boston Logan Intl
9 Sep
BOS6:30 p.m.Boston Logan Intl
10h 50m
1 stop
YXU5:20 a.m.London
C$ 832

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 18 July 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 - BOS

YXUBOS

London

Sun 30/8

2:40 p.m.-10:20 p.m.

2 stops31h 40m

Boston Logan Intl

Sun 6/9

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

1 stop10h 50m

C$ 675

LondonBoston

YXU - BOS

YXUBOS

London

Sun 30/8

5:55 p.m.-10:20 p.m.

1 stop28h 25m

Boston Logan Intl

Sun 6/9

7:25 a.m.-5:20 a.m.

1 stop21h 55m

C$ 687

LondonBoston

YXU - BOS

YXUBOS

London

Mon 31/8

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

1 stop16h 10m

Boston Logan Intl

Mon 7/9

7:00 a.m.-5:20 a.m.

3 stops22h 20m

C$ 735

LondonBoston

YXU - BOS

YXUBOS

London

Tue 1/12

9:15 a.m.-2:17 p.m.

1 stop5h 02m

Boston Logan Intl

Thu 3/12

5:30 a.m.-2:42 p.m.

2 stops9h 12m

C$ 736

LondonBoston

YXU - BOS

YXUBOS

London

Tue 1/12

9:15 a.m.-2:53 p.m.

2 stops5h 38m

Boston Logan Intl

Thu 3/12

5:30 a.m.-2:42 p.m.

2 stops9h 12m

C$ 740

LondonBoston

YXU - BOS

YXUBOS

London

Mon 31/8

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

1 stop16h 10m

Boston Logan Intl

Mon 7/9

3:35 p.m.-5:20 a.m.

2 stops13h 45m

C$ 749

LondonBoston

YXU - BOS

YXUBOS

London

Mon 31/8

5:55 p.m.-2:41 p.m.

2 stops20h 46m

Boston Logan Intl

Mon 7/9

7:00 a.m.-5:20 a.m.

3 stops22h 20m

C$ 755
Quickest round-trip

LondonBoston

YXU - BOS

YXUBOS

London

Sun 6/9

5:40 a.m.-9:53 a.m.

1 stop4h 13m

Boston Logan Intl

Wed 9/9

12:30 p.m.-5:43 p.m.

1 stop5h 13m

C$ 763

LondonBoston

YXU - BOS

YXUBOS

London

Sun 30/8

2:40 p.m.-4:00 p.m.

3 stops25h 20m

Boston Logan Intl

Sun 6/9

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

1 stop10h 50m

C$ 764

LondonBoston

YXU - BOS

YXUBOS

London

Sun 6/9

5:40 a.m.-2:41 p.m.

2 stops9h 01m

Boston Logan Intl

Wed 9/9

12:30 p.m.-5:43 p.m.

1 stop5h 13m

C$ 769

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, 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 64% 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

4h 18m

Direct flights

None
The fastest flight from London, Ontario to Boston takes 4h 18m
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 4h 18m.

  • 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$ 394Free CancellationRating
7.1
11,347 reviews
Search Air Canada flights

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
Cambridge
Waltham
Scarborough
Dedham
Woburn
Brookline
Nashua
Quincy
South Yarmouth

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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