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Cheap flights from London, Ontario to Boston from C$ 449

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 2/6. 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.
WestJet Logo
6:10 a.m. - 10:20 p.m.
YXU
-
BOS
16h 10m
1 stop
WestJet Logo
7:25 a.m. - 5:20 a.m.
BOS
-
YXU
21h 55m
1 stop
C$ 699WestJet
Wed, 1 Jul - Sun, 5 Jul
Air Canada Logo
5:10 a.m. - 9:49 a.m.
YXU
-
BOS
4h 39m
1 stop
Air Canada Logo
5:10 a.m. - 11:43 a.m.
BOS
-
YXU
6h 33m
1 stop
C$ 742Air Canada
Mon, 1 Jun - Thu, 4 Jun
Air Canada Logo
9:30 a.m. - 4:08 p.m.
YXU
-
BOS
6h 38m
1 stop
Air Canada Logo
5:00 p.m. - 9:38 p.m.
BOS
-
YXU
4h 38m
1 stop
C$ 743Air Canada
Fri, 5 Jun - Mon, 8 Jun
Air Canada Logo
12:20 p.m. - 6:07 p.m.
YXU
-
BOS
5h 47m
2 stops
Air Canada Logo
10:45 a.m. - 2:58 p.m.
BOS
-
YXU
4h 13m
1 stop
C$ 747Air Canada
Mon, 1 Jun - Thu, 4 Jun
Air Canada Logo
5:10 a.m. - 2:47 p.m.
YXU
-
BOS
9h 37m
2 stops
Air Canada Logo
5:50 a.m. - 2:58 p.m.
BOS
-
YXU
9h 08m
2 stops
C$ 751Air Canada
Mon, 1 Jun - Thu, 4 Jun
Air Canada Logo
12:20 p.m. - 5:59 p.m.
YXU
-
BOS
5h 39m
1 stop
Air Canada Logo
5:50 a.m. - 2:58 p.m.
BOS
-
YXU
9h 08m
2 stops
C$ 754Air Canada
Fri, 5 Jun - Mon, 8 Jun
Multiple Airlines Logo
5:55 p.m. - 5:40 p.m.
YXU
-
BOS
23h 45m
1 stop
Multiple Airlines Logo
6:35 p.m. - 1:50 p.m.
BOS
-
YXU
19h 15m
2 stops
C$ 758Multiple Airlines
Mon, 1 Jun - Mon, 8 Jun
Air Canada Logo
3:30 p.m. - 9:27 p.m.
YXU
-
BOS
5h 57m
2 stops
Air Canada Logo
5:50 a.m. - 2:58 p.m.
BOS
-
YXU
9h 08m
2 stops
C$ 766Air Canada
Fri, 5 Jun - Mon, 8 Jun
Air Canada Logo
5:10 a.m. - 9:49 a.m.
YXU
-
BOS
4h 39m
1 stop
Air Canada Logo
5:10 a.m. - 11:43 a.m.
BOS
-
YXU
6h 33m
1 stop
C$ 798Air Canada
Mon, 1 Jun - Thu, 4 Jun
Air Canada Logo
12:20 p.m. - 5:59 p.m.
YXU
-
BOS
5h 39m
1 stop
Air Canada Logo
10:45 a.m. - 2:58 p.m.
BOS
-
YXU
4h 13m
1 stop
C$ 800Air Canada
Mon, 1 Jun - Thu, 4 Jun

Air Canada flights from London, Ontario to Boston

Our best Air Canada deals on London, Ontario to Boston flight tickets
Air Canada
1 Jun
YXU5:10 a.m.London
4h 39m
1 stop
BOS9:49 a.m.Boston Logan Intl
4 Jun
BOS5:10 a.m.Boston Logan Intl
6h 33m
1 stop
YXU11:43 a.m.London
C$ 742
Air Canada
5 Jun
YXU9:30 a.m.London
6h 38m
1 stop
BOS4:08 p.m.Boston Logan Intl
8 Jun
BOS5:00 p.m.Boston Logan Intl
4h 38m
1 stop
YXU9:38 p.m.London
C$ 743
Air Canada
1 Jun
YXU12:20 p.m.London
5h 47m
2 stops
BOS6:07 p.m.Boston Logan Intl
4 Jun
BOS10:45 a.m.Boston Logan Intl
4h 13m
1 stop
YXU2:58 p.m.London
C$ 747

WestJet flights from London, Ontario to Boston

Our best WestJet deals on London, Ontario to Boston flight tickets
WestJet
1 Jul
YXU6:10 a.m.London
16h 10m
1 stop
BOS10:20 p.m.Boston Logan Intl
5 Jul
BOS7:25 a.m.Boston Logan Intl
21h 55m
1 stop
YXU5:20 a.m.London
C$ 699
WestJet
30 May
YXU5:55 p.m.London
23h 45m
1 stop
BOS5:40 p.m.Boston Logan Intl
6 Jun
BOS6:30 p.m.Boston Logan Intl
22h 15m
1 stop
YXU4:45 p.m.London
C$ 1,342
WestJet
15 May
YXU6:10 a.m.London
13h 05m
2 stops
BOS7:15 p.m.Boston Logan Intl
22 May
BOS6:30 p.m.Boston Logan Intl
10h 50m
1 stop
YXU5:20 a.m.London
C$ 1,541

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 April 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

Wed 1/7

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

1 stop16h 10m

Boston Logan Intl

Sun 5/7

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

1 stop21h 55m

C$ 699

LondonBoston

YXU - BOS

YXUBOS

London

Mon 1/6

5:10 a.m.-9:49 a.m.

1 stop4h 39m

Boston Logan Intl

Thu 4/6

5:10 a.m.-11:43 a.m.

1 stop6h 33m

C$ 742

LondonBoston

YXU - BOS

YXUBOS

London

Fri 5/6

9:30 a.m.-4:08 p.m.

1 stop6h 38m

Boston Logan Intl

Mon 8/6

5:00 p.m.-9:38 p.m.

1 stop4h 38m

C$ 743

LondonBoston

YXU - BOS

YXUBOS

London

Mon 1/6

12:20 p.m.-6:07 p.m.

2 stops5h 47m

Boston Logan Intl

Thu 4/6

10:45 a.m.-2:58 p.m.

1 stop4h 13m

C$ 747

LondonBoston

YXU - BOS

YXUBOS

London

Mon 1/6

5:10 a.m.-2:47 p.m.

2 stops9h 37m

Boston Logan Intl

Thu 4/6

5:50 a.m.-2:58 p.m.

2 stops9h 08m

C$ 751

LondonBoston

YXU - BOS

YXUBOS

London

Fri 5/6

12:20 p.m.-5:59 p.m.

1 stop5h 39m

Boston Logan Intl

Mon 8/6

5:50 a.m.-2:58 p.m.

2 stops9h 08m

C$ 754

LondonBoston

YXU - BOS

YXUBOS

London

Mon 1/6

5:55 p.m.-5:40 p.m.

1 stop23h 45m

Boston Logan Intl

Mon 8/6

6:35 p.m.-1:50 p.m.

2 stops19h 15m

C$ 758

LondonBoston

YXU - BOS

YXUBOS

London

Fri 5/6

3:30 p.m.-9:27 p.m.

2 stops5h 57m

Boston Logan Intl

Mon 8/6

5:50 a.m.-2:58 p.m.

2 stops9h 08m

C$ 766

LondonBoston

YXU - BOS

YXUBOS

London

Mon 1/6

5:10 a.m.-9:49 a.m.

1 stop4h 39m

Boston Logan Intl

Thu 4/6

5:10 a.m.-11:43 a.m.

1 stop6h 33m

C$ 798
Quickest round-trip

LondonBoston

YXU - BOS

YXUBOS

London

Mon 1/6

12:20 p.m.-5:59 p.m.

1 stop5h 39m

Boston Logan Intl

Thu 4/6

10:45 a.m.-2:58 p.m.

1 stop4h 13m

C$ 800

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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?

United Airlines is the most popular carrier 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 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

23h 45m

Direct flights

None
The fastest flight from London, Ontario to Boston takes 23h 45m
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 23h 45m.

  • 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$ 385Free CancellationRating
7.1
10,935 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
Ogunquit
Needham
Wells
Everett
West Yarmouth
Dedham
Cambridge
Waltham
Westbrook
Saco
Warwick
Burlington
Foxborough
Scarborough
Cape Neddick
Quincy
Fitchburg
Salem

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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