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Cheap flights from Kentucky to London from $877

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to London departing on 10/1. 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 Kentucky to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:00 am - 2:50 pmSDF  Louisville Intl-YXU London
8h 50m2 stops Washington, D.C. Dulles Intl Toronto Pearson Intl
Air Canada Logo
10:05 am - 8:31 pmYXU  London-SDF Louisville Intl
10h 26m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$877Air Canada
Thu, Oct 1 - Thu, Oct 8
Air Canada Logo
6:00 am - 2:50 pmSDF  Louisville Intl-YXU London
8h 50m2 stops Washington, D.C. Dulles Intl Toronto Pearson Intl
Air Canada Logo
10:05 am - 5:40 pmYXU  London-SDF Louisville Intl
7h 35m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$972Air Canada
Tue, Sep 29 - Tue, Oct 6
United Airlines Logo
5:15 am - 2:50 pmSDF  Louisville Intl-YXU London
9h 35m2 stops Chicago O'Hare Intl Toronto Pearson Intl
United Airlines Logo
3:30 pm - 11:59 pmYXU  London-SDF Louisville Intl
8h 29m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$1,032United Airlines
Mon, Sep 28 - Mon, Oct 5

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Air Canada flights from Kentucky to London, Ontario

Our best Air Canada deals on Kentucky to London, Ontario flight tickets
Air Canada
Oct 1
SDF6:00 amLouisville Intl
8h 50m
2 stops
YXU2:50 pmLondon
Oct 8
YXU10:05 amLondon
10h 26m
2 stops
SDF8:31 pmLouisville Intl
$877
Air Canada
Sep 29
SDF6:00 amLouisville Intl
8h 50m
2 stops
YXU2:50 pmLondon
Oct 6
YXU10:05 amLondon
7h 35m
2 stops
SDF5:40 pmLouisville Intl
$972

momondo Fare Finder

 
Customize your flight search to find flights from Kentucky 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 August 18, 2026.
Use the filters below to find and compare flights from Kentucky to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleLondon

SDF Louisville Intl - YXU London

SDFYXU

Louisville Intl

Thu 10/1

6:00 am-2:50 pm

2 stops8h 50m

London

Thu 10/8

10:05 am-8:31 pm

2 stops10h 26m

$877
Quickest round-trip

LouisvilleLondon

SDF Louisville Intl - YXU London

SDFYXU

Louisville Intl

Tue 9/29

6:00 am-2:50 pm

2 stops8h 50m

London

Tue 10/6

10:05 am-5:40 pm

2 stops7h 35m

$972

LouisvilleLondon

SDF Louisville Intl - YXU London

SDFYXU

Louisville Intl

Mon 9/28

5:15 am-2:50 pm

2 stops9h 35m

London

Mon 10/5

3:30 pm-11:59 pm

2 stops8h 29m

$1,032

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 Kentucky 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

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

If you’re flying from a popular airport in Kentucky, such as Louisville or Lexington, and flying into London, Ontario, then you can expect flight times to average 4h 42m and 4h 51m, respectively.

Cheap Kentucky to London, Ontario flight deals and tips

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

Best Price Found

$877

Fastest flight time

8h 35m

Direct flights

None
The best flight deal from Kentucky to London, Ontario found on momondo in the last 72 hours is $877
The fastest flight from Kentucky to London, Ontario takes 8h 35m
There are no direct flights from Kentucky to London, Ontario. There are no popular flight routes from Kentucky to London, Ontario.
Search flight deals

Frequently asked questions about flying from Kentucky to London, Ontario

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

    Prices for flights from Kentucky to London Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kentucky to London Airport.

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

    The travel and health documents you'll need for your trip to London Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Airport. It is always advisable to seek advice from your airline or a trusted 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 Kentucky to London?

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

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

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

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

momondo helps you find the best flight between Kentucky and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Kentucky 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 Kentucky and alert you when they change.

An easier way to manage your London, Ontario trip

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