What airlines fly to London, Ontario?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to London, Ontario from Massachusetts according to our data. Air Canada is the first choice among our users, with 80% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 5 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Massachusetts to London?

United Airlines and Air Canada are the most popular carriers operating from Massachusetts to London

How long does it take to fly to London, Ontario?

If you’re flying from a popular airport in Massachusetts, such as Boston or Provincetown, and flying into London, Ontario, then you can expect flight times to average 1h 50m and 13h 57m, respectively.

When did momondo last update prices for flights from Massachusetts to London Airport?

Prices for flights from Massachusetts to London Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Massachusetts to London Airport?

The number of operators available for flights from Massachusetts to London Airport is 1 as of December 2025.

How old do you have to be to fly from Massachusetts to London 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 Massachusetts to London Airport.

What documentation or ID do you need to fly to London Airport?

The required travel and health documents for your London 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 London Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$372 Cheap Flights from Massachusetts to London in 2025/26

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Find the cheapest flights from Massachusetts to London

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 6:34 am

BOS

YXU

23h 34m3 stops

5:10 am - 10:02 am

YXU

BOS

4h 52m1 stop

$574Multiple Airlines

Sun, Jan 18 - Sun, Jan 25

1:00 pm - 5:05 pm

BOS

YXU

4h 05m1 stop

5:40 pm - 10:37 pm

YXU

BOS

4h 57m1 stop

$583Air Canada

Sun, Jan 18 - Sun, Jan 25

3:40 pm - 8:46 am

BOS

YXU

17h 06m2 stops

5:40 pm - 10:37 pm

YXU

BOS

4h 57m1 stop

$606Air Canada

Sun, Jan 18 - Sun, Jan 25

3:40 pm - 8:46 am

BOS

YXU

17h 06m2 stops

5:10 am - 10:02 am

YXU

BOS

4h 52m1 stop

$610Air Canada

Sun, Jan 18 - Sat, Jan 24

3:40 pm - 8:46 am

BOS

YXU

17h 06m2 stops

9:50 am - 7:42 pm

YXU

BOS

9h 52m2 stops

$611Air Canada

Sun, Jan 18 - Sat, Jan 24

5:30 am - 6:34 am

BOS

YXU

25h 04m3 stops

5:10 am - 11:19 pm

YXU

BOS

18h 09m3 stops

$618Multiple Airlines

Sun, Jan 18 - Sat, Jan 24

3:30 pm - 6:34 am

BOS

YXU

15h 04m2 stops

5:10 am - 5:44 pm

YXU

BOS

12h 34m3 stops

$626Multiple Airlines

Sun, Jan 18 - Sat, Jan 24

6:15 am - 6:34 am

BOS

YXU

24h 19m3 stops

8:10 pm - 2:52 pm

YXU

BOS

18h 42m2 stops

$628Multiple Airlines

Sun, Jan 18 - Sun, Jan 25

4:35 pm - 9:20 pm

BOS

YXU

4h 45m1 stop

9:50 am - 3:57 pm

YXU

BOS

6h 07m1 stop

$697Air Canada

Sun, Jan 18 - Wed, Jan 21

1:00 pm - 5:05 pm

BOS

YXU

4h 05m1 stop

9:50 am - 7:42 pm

YXU

BOS

9h 52m2 stops

$705Air Canada

Sun, Jan 18 - Wed, Jan 21

United Airlines flights from Massachusetts to London, Ontario

Our best United Airlines deals on Massachusetts to London, Ontario flight tickets

United Airlines

Jan 18

BOS4:35 pmBoston Logan Intl

4h 45m

1 stop

YXU9:20 pmLondon

Jan 24

YXU5:40 pmLondon

4h 57m

1 stop

BOS10:37 pmBoston Logan Intl

$761

Find similar

United Airlines

Jan 25

BOS1:00 pmBoston Logan Intl

4h 05m

1 stop

YXU5:05 pmLondon

Feb 1

YXU9:25 amLondon

6h 32m

1 stop

BOS3:57 pmBoston Logan Intl

$783

Find similar

United Airlines

Jan 25

BOS1:24 pmBoston Logan Intl

7h 56m

2 stops

YXU9:20 pmLondon

Feb 1

YXU5:40 pmLondon

4h 57m

1 stop

BOS10:37 pmBoston Logan Intl

$793

Find similar

Air Canada flights from Massachusetts to London, Ontario

Our best Air Canada deals on Massachusetts to London, Ontario flight tickets

Air Canada

Jan 18

BOS1:00 pmBoston Logan Intl

4h 05m

1 stop

YXU5:05 pmLondon

Jan 25

YXU5:40 pmLondon

4h 57m

1 stop

BOS10:37 pmBoston Logan Intl

$583

Find similar

Air Canada

Jan 18

BOS3:40 pmBoston Logan Intl

17h 06m

2 stops

YXU8:46 amLondon

Jan 25

YXU5:40 pmLondon

4h 57m

1 stop

BOS10:37 pmBoston Logan Intl

$606

Find similar

Air Canada

Jan 18

BOS3:40 pmBoston Logan Intl

17h 06m

2 stops

YXU8:46 amLondon

Jan 24

YXU5:10 amLondon

4h 52m

1 stop

BOS10:02 amBoston Logan Intl

$610

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Massachusetts to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

Sun 1/18

7:00 am-6:34 am

3 stops23h 34m

London

Sun 1/25

5:10 am-10:02 am

1 stop4h 52m

$574

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

Sun 1/18

1:00 pm-5:05 pm

1 stop4h 05m

London

Sun 1/25

5:40 pm-10:37 pm

1 stop4h 57m

$583

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

Sun 1/18

3:40 pm-8:46 am

2 stops17h 06m

London

Sun 1/25

5:40 pm-10:37 pm

1 stop4h 57m

$606

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

Sun 1/18

3:40 pm-8:46 am

2 stops17h 06m

London

Sat 1/24

5:10 am-10:02 am

1 stop4h 52m

$610

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

Sun 1/18

3:40 pm-8:46 am

2 stops17h 06m

London

Sat 1/24

9:50 am-7:42 pm

2 stops9h 52m

$611

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

Sun 1/18

5:30 am-6:34 am

3 stops25h 04m

London

Sat 1/24

5:10 am-11:19 pm

3 stops18h 09m

$618

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

Sun 1/18

3:30 pm-6:34 am

2 stops15h 04m

London

Sat 1/24

5:10 am-5:44 pm

3 stops12h 34m

$626

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

Sun 1/18

6:15 am-6:34 am

3 stops24h 19m

London

Sun 1/25

8:10 pm-2:52 pm

2 stops18h 42m

$628

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

Sun 1/18

4:35 pm-9:20 pm

1 stop4h 45m

London

Wed 1/21

9:50 am-3:57 pm

1 stop6h 07m

$697

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

Sun 1/18

1:00 pm-5:05 pm

1 stop4h 05m

London

Wed 1/21

9:50 am-7:42 pm

2 stops9h 52m

$705

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Massachusetts to London, Ontario

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

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to London, Ontario?

According to our data, Tuesday is the cheapest day to fly to London, Ontario from Massachusetts. The lowest ticket price found for a Tuesday departure recently was $448. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London, Ontario on Monday is $999.

What is the cheapest time of day to depart on your flight to London, Ontario?

In the morning is the cheapest time of day to fly from Massachusetts to London, Ontario when you can find flight prices for as low as $491. Flying to London, Ontario in the morning is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to London, Ontario, so prices are often more expensive at around $612 per ticket.

Cheap Massachusetts to London, Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to London, Ontario

Fastest flight time	10h 50m
Direct flights	None

The fastest flight from Massachusetts to London, Ontario takes 10h 50m

There are no direct flights from Massachusetts to London, Ontario. There are no popular flight routes from Massachusetts to London, Ontario.

Search flight deals

When did momondo last update prices for flights from Massachusetts to London Airport?
Prices for flights from Massachusetts to London Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Massachusetts to London Airport?
The number of operators available for flights from Massachusetts to London Airport is 1 as of December 2025.
How old do you have to be to fly from Massachusetts to London 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 Massachusetts to London Airport.
What documentation or ID do you need to fly to London Airport?
The required travel and health documents for your London 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 London Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Massachusetts to London, Ontario

Compare and see reviews for airlines that fly from Massachusetts to London, Ontario with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $478	Free Cancellation	Rating 7.1 10,516 reviews		Search Air Canada flights

Grand Bend

Port Stanley

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Why should I use momondo to find a flight deal from Massachusetts to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Massachusetts to London. momondo saves you time and could save you money on your trip.

Can I find flights from Massachusetts to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Massachusetts to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Massachusetts to London?

Once all potential Massachusetts to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Massachusetts to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Massachusetts and alert you when they change.