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Cheap flights from London, Ontario to Boston from C$ 423

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 16/8. 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.
Air Canada Logo
5:45 a.m. - 12:12 p.m.
YXU
-
BOS
6h 27m
1 stop
Air Canada Logo
10:40 a.m. - 3:06 p.m.
BOS
-
YXU
4h 26m
1 stop
C$ 751Air Canada
Mon, 26 Oct - Fri, 30 Oct
Air Canada Logo
5:45 a.m. - 12:12 p.m.
YXU
-
BOS
6h 27m
1 stop
Air Canada Logo
5:30 a.m. - 3:06 p.m.
BOS
-
YXU
9h 36m
2 stops
C$ 755Air Canada
Mon, 26 Oct - Fri, 30 Oct
Air Canada Logo
5:45 a.m. - 2:37 p.m.
YXU
-
BOS
8h 52m
2 stops
Air Canada Logo
5:30 a.m. - 3:06 p.m.
BOS
-
YXU
9h 36m
2 stops
C$ 759Air Canada
Mon, 26 Oct - Fri, 30 Oct
Air Canada Logo
9:15 a.m. - 2:18 p.m.
YXU
-
BOS
5h 03m
1 stop
Air Canada Logo
5:30 a.m. - 2:47 p.m.
BOS
-
YXU
9h 17m
2 stops
C$ 762Air Canada
Mon, 26 Oct - Fri, 30 Oct
Air Canada Logo
5:30 a.m. - 2:53 p.m.
YXU
-
BOS
9h 23m
2 stops
Air Canada Logo
5:30 a.m. - 2:47 p.m.
BOS
-
YXU
9h 17m
2 stops
C$ 768Air Canada
Mon, 26 Oct - Fri, 30 Oct
Air Canada Logo
3:25 p.m. - 9:28 p.m.
YXU
-
BOS
6h 03m
2 stops
Air Canada Logo
5:30 a.m. - 2:47 p.m.
BOS
-
YXU
9h 17m
2 stops
C$ 769Air Canada
Mon, 26 Oct - Fri, 30 Oct
Air Canada Logo
6:20 p.m. - 10:38 p.m.
YXU
-
BOS
4h 18m
1 stop
Air Canada Logo
10:50 a.m. - 2:52 p.m.
BOS
-
YXU
4h 02m
1 stop
C$ 785Air Canada
Sun, 19 Jul - Thu, 23 Jul
Air Canada Logo
10:05 a.m. - 4:03 p.m.
YXU
-
BOS
5h 58m
1 stop
Air Canada Logo
10:40 a.m. - 8:32 p.m.
BOS
-
YXU
9h 52m
2 stops
C$ 789Air Canada
Sun, 19 Jul - Thu, 23 Jul
Multiple Airlines Logo
2:40 p.m. - 9:05 a.m.
YXU
-
BOS
18h 25m
2 stops
Multiple Airlines Logo
7:30 p.m. - 1:50 p.m.
BOS
-
YXU
18h 20m
2 stops
C$ 790Multiple Airlines
Sun, 19 Jul - Thu, 23 Jul
Air Canada Logo
6:20 p.m. - 10:38 p.m.
YXU
-
BOS
4h 18m
1 stop
Air Canada Logo
10:50 a.m. - 2:52 p.m.
BOS
-
YXU
4h 02m
1 stop
C$ 792Air Canada
Mon, 13 Jul - Mon, 20 Jul

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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
26 Oct
YXU5:45 a.m.London
6h 27m
1 stop
BOS12:12 p.m.Boston Logan Intl
30 Oct
BOS10:40 a.m.Boston Logan Intl
4h 26m
1 stop
YXU3:06 p.m.London
C$ 751
Air Canada
26 Oct
YXU5:45 a.m.London
6h 27m
1 stop
BOS12:12 p.m.Boston Logan Intl
30 Oct
BOS5:30 a.m.Boston Logan Intl
9h 36m
2 stops
YXU3:06 p.m.London
C$ 755
Air Canada
26 Oct
YXU5:45 a.m.London
8h 52m
2 stops
BOS2:37 p.m.Boston Logan Intl
30 Oct
BOS5:30 a.m.Boston Logan Intl
9h 36m
2 stops
YXU3:06 p.m.London
C$ 759

United Airlines flights from London, Ontario to Boston

Our best United Airlines deals on London, Ontario to Boston flight tickets
United Airlines
26 Oct
YXU9:15 a.m.London
5h 03m
1 stop
BOS2:18 p.m.Boston Logan Intl
30 Oct
BOS3:10 p.m.Boston Logan Intl
6h 42m
1 stop
YXU9:52 p.m.London
C$ 958
United Airlines
29 Jun
YXU6:10 p.m.London
4h 28m
1 stop
BOS10:38 p.m.Boston Logan Intl
6 Jul
BOS9:30 a.m.Boston Logan Intl
11h 02m
2 stops
YXU8:32 p.m.London
C$ 1,751
United Airlines
29 Jun
YXU10:05 a.m.London
9h 09m
2 stops
BOS7:14 p.m.Boston Logan Intl
6 Jul
BOS10:58 a.m.Boston Logan Intl
9h 34m
2 stops
YXU8:32 p.m.London
C$ 1,759

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 27 June 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

Mon 26/10

5:45 a.m.-12:12 p.m.

1 stop6h 27m

Boston Logan Intl

Fri 30/10

10:40 a.m.-3:06 p.m.

1 stop4h 26m

C$ 751

LondonBoston

YXU - BOS

YXUBOS

London

Mon 26/10

5:45 a.m.-12:12 p.m.

1 stop6h 27m

Boston Logan Intl

Fri 30/10

5:30 a.m.-3:06 p.m.

2 stops9h 36m

C$ 755

LondonBoston

YXU - BOS

YXUBOS

London

Mon 26/10

5:45 a.m.-2:37 p.m.

2 stops8h 52m

Boston Logan Intl

Fri 30/10

5:30 a.m.-3:06 p.m.

2 stops9h 36m

C$ 759

LondonBoston

YXU - BOS

YXUBOS

London

Mon 26/10

9:15 a.m.-2:18 p.m.

1 stop5h 03m

Boston Logan Intl

Fri 30/10

5:30 a.m.-2:47 p.m.

2 stops9h 17m

C$ 762

LondonBoston

YXU - BOS

YXUBOS

London

Mon 26/10

5:30 a.m.-2:53 p.m.

2 stops9h 23m

Boston Logan Intl

Fri 30/10

5:30 a.m.-2:47 p.m.

2 stops9h 17m

C$ 768

LondonBoston

YXU - BOS

YXUBOS

London

Mon 26/10

3:25 p.m.-9:28 p.m.

2 stops6h 03m

Boston Logan Intl

Fri 30/10

5:30 a.m.-2:47 p.m.

2 stops9h 17m

C$ 769
Quickest round-trip

LondonBoston

YXU - BOS

YXUBOS

London

Sun 19/7

6:20 p.m.-10:38 p.m.

1 stop4h 18m

Boston Logan Intl

Thu 23/7

10:50 a.m.-2:52 p.m.

1 stop4h 02m

C$ 785

LondonBoston

YXU - BOS

YXUBOS

London

Sun 19/7

10:05 a.m.-4:03 p.m.

1 stop5h 58m

Boston Logan Intl

Thu 23/7

10:40 a.m.-8:32 p.m.

2 stops9h 52m

C$ 789

LondonBoston

YXU - BOS

YXUBOS

London

Sun 19/7

2:40 p.m.-9:05 a.m.

2 stops18h 25m

Boston Logan Intl

Thu 23/7

7:30 p.m.-1:50 p.m.

2 stops18h 20m

C$ 790

LondonBoston

YXU - BOS

YXUBOS

London

Mon 13/7

6:20 p.m.-10:38 p.m.

1 stop4h 18m

Boston Logan Intl

Mon 20/7

10:50 a.m.-2:52 p.m.

1 stop4h 02m

C$ 792

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 is the most popular carrier 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 69% 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$ 399Free CancellationRating
7.1
11,268 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
West Yarmouth
Waltham
Foxborough
Westbrook
Burlington
Cambridge
Saco
Scarborough
Warwick
Dedham
Woburn
Nashua

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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