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Cheap flights from Louisville to London from $917

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to London departing on 12/12. 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

Find the cheapest flights from Louisville to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:20 pm - 9:46 pm
SDF
-
YXU
9h 26m
2 stops
United Airlines Logo
5:45 am - 8:14 pm
YXU
-
SDF
14h 29m
2 stops
$917United Airlines
Sat, Dec 12 - Tue, Dec 15
Air Canada Logo
9:00 am - 8:32 pm
SDF
-
YXU
11h 32m
2 stops
Air Canada Logo
10:05 am - 8:25 pm
YXU
-
SDF
10h 20m
2 stops
$958Air Canada
Sun, Jul 12 - Sat, Jul 18
WestJet Logo
10:34 am - 5:20 am
SDF
-
YXU
18h 46m
2 stops
WestJet Logo
6:10 am - 12:00 pm
YXU
-
SDF
29h 50m
3 stops
$1,170WestJet
Sun, Jul 12 - Sat, Jul 18
WestJet Logo
6:49 am - 5:20 am
SDF
-
YXU
22h 31m
3 stops
WestJet Logo
6:10 am - 11:00 pm
YXU
-
SDF
16h 50m
3 stops
$1,332WestJet
Sun, Jul 12 - Sat, Jul 18
WestJet Logo
5:28 pm - 5:20 am
SDF
-
YXU
35h 52m
2 stops
WestJet Logo
6:10 am - 1:51 pm
YXU
-
SDF
31h 41m
2 stops
$1,549WestJet
Wed, Jul 29 - Wed, Aug 5
Multiple Airlines Logo
5:55 pm - 5:20 am
SDF
-
YXU
35h 25m
3 stops
Multiple Airlines Logo
5:55 pm - 12:00 pm
YXU
-
SDF
18h 05m
3 stops
$1,857Multiple Airlines
Sun, Jul 12 - Sat, Jul 18

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WestJet flights from Louisville to London, Ontario

Our best WestJet deals on Louisville to London, Ontario flight tickets
WestJet
Jul 12
SDF10:34 amLouisville Intl
18h 46m
2 stops
YXU5:20 amLondon
Jul 18
YXU6:10 amLondon
29h 50m
3 stops
SDF12:00 pmLouisville Intl
$1,170
WestJet
Jul 12
SDF6:49 amLouisville Intl
22h 31m
3 stops
YXU5:20 amLondon
Jul 18
YXU6:10 amLondon
16h 50m
3 stops
SDF11:00 pmLouisville Intl
$1,332
WestJet
Jul 29
SDF5:28 pmLouisville Intl
35h 52m
2 stops
YXU5:20 amLondon
Aug 5
YXU6:10 amLondon
31h 41m
2 stops
SDF1:51 pmLouisville Intl
$1,549

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to London, Ontario 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 832,500 searches. Data last updated June 16, 2026.
Use the filters below to find and compare flights from Louisville to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Sat 12/12

12:20 pm-9:46 pm

2 stops9h 26m

London

Tue 12/15

5:45 am-8:14 pm

2 stops14h 29m

$917
Quickest round-trip

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Sun 7/12

9:00 am-8:32 pm

2 stops11h 32m

London

Sat 7/18

10:05 am-8:25 pm

2 stops10h 20m

$958

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Sun 7/12

10:34 am-5:20 am

2 stops18h 46m

London

Sat 7/18

6:10 am-12:00 pm

3 stops29h 50m

$1,170

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Sun 7/12

6:49 am-5:20 am

3 stops22h 31m

London

Sat 7/18

6:10 am-11:00 pm

3 stops16h 50m

$1,332

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Wed 7/29

5:28 pm-5:20 am

2 stops35h 52m

London

Wed 8/5

6:10 am-1:51 pm

2 stops31h 41m

$1,549

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Sun 7/12

5:55 pm-5:20 am

3 stops35h 25m

London

Sat 7/18

5:55 pm-12:00 pm

3 stops18h 05m

$1,857

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to London from

How to get the cheapest flight ticket from Louisville 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

What airlines fly to London, Ontario?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to London, Ontario from Louisville according to our data. Air Canada is the first choice among our users, with 68% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 4 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Louisville to London, Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to London, Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to London, Ontario (SDF to YXU) flight deals and tips

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

Fastest flight time

8h 40m

Direct flights

None
The fastest flight from Louisville to London, Ontario takes 8h 40m
There are no direct flights from Louisville to London, Ontario. There are no popular flight routes from Louisville to London, Ontario.
Search flight deals

Frequently asked questions about flying from Louisville to London, Ontario

  • How far is Louisville Intl to London by plane?

    The straight-line distance from Louisville Intl to London is 403.6 mi. Flights usually cover this in 8h 40m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Louisville Intl Airport to London Airport?

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

  • How old do you have to be to fly from Louisville Intl Airport to London Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Louisville Intl Airport 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Grand Bend
Port Stanley

Why use momondo?

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

Finding the right flight to London from Louisville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

All flight searches from Louisville to London on momondo can be filtered to show those which offer flexible booking policies.

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

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 Louisville to London.

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

Yes. momondo can track prices for Louisville to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London, Ontario trip

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