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Cheap flights from Missouri to London, ON from C$ 967

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YXU
19 Apr — 26 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Missouri to London

Enter your travel dates to find the best prices.

Cheapest flights from Missouri to London
Explore the most affordable flight options available from Missouri to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2026.

Tue 9/62:15 p.m.
STL
-
YXU
1 stop6h 23m
Air Canada
Wed 10/63:30 p.m.
YXU
-
STL
1 stop5h 39m
Air Canada
Deal found 19/3C$ 967
Thu 30/44:05 p.m.
STL
-
YXU
1 stop4h 14m
Air Canada
Thu 7/512:20 p.m.
YXU
-
STL
2 stops9h 05m
Air Canada
Deal found 16/3C$ 1,096
Wed 29/47:45 a.m.
STL
-
YXU
2 stops23h 59m
Air Canada
Sat 2/59:30 a.m.
YXU
-
STL
2 stops11h 55m
Air Canada
Deal found 17/3C$ 1,144
Mon 30/34:05 p.m.
STL
-
YXU
1 stop4h 13m
Air Canada
Thu 2/49:25 a.m.
YXU
-
STL
1 stop7h 00m
Air Canada
Deal found 16/3C$ 1,336

Find flight deals from Missouri to London

Keep the following information in mind while searching for Missouri to London flight deals. Data was last updated 20 March 2026.

Round-trip from

C$ 967
Air Canada
  • Air Canada
  • 9/6-10/6
  • 2 total stops
  • 11h 52m total
  • Missouri to London
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to London 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, Cheapflights users made 629,999 searches. Data last updated 20 March 2026.
Use the filters below to find and compare flights from Missouri to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisLondon

STL - YXU

STLYXU

Lambert-St Louis

Tue 9/6

2:20 p.m.-9:38 p.m.

1 stop6h 18m

London

Wed 10/6

3:30 p.m.-8:04 p.m.

1 stop5h 34m

C$ 967

St. LouisLondon

STL - YXU

STLYXU

Lambert-St Louis

Thu 30/4

7:45 a.m.-5:04 p.m.

2 stops8h 19m

London

Thu 7/5

12:20 p.m.-8:25 p.m.

2 stops9h 05m

C$ 1,111

St. LouisLondon

STL - YXU

STLYXU

Lambert-St Louis

Wed 29/4

7:45 a.m.-8:44 a.m.

2 stops23h 59m

London

Sat 2/5

9:30 a.m.-8:25 p.m.

2 stops11h 55m

C$ 1,144

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/3

Sorted by cheapest first

Best time to book a flight from Missouri to London

Have a flexible travel schedule? Discover the best time to fly to London from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to London

What is the cheapest month to book a flight from Missouri to London, Ontario?

Currently, June is the cheapest month in which you can book a flight from Missouri to London, Ontario (average of C$ 243). Flying from Missouri to London, Ontario in January is currently the most expensive (average of C$ 1,072). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Missouri to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to London from Missouri?

    Most people fly into London (YXU) if they book a flight to London from Missouri. London is conveniently located just 8.6 km from London’s city centre.

  • How long is the flight from Missouri to London, Ontario?

    A quick flight from Missouri to London, Ontario can take about 6h 18m. Air Canada provides one of the quickest options available for as low as C$ 967. The distance between Missouri and London, Ontario is about 908 km.

  • Can I find deals for flights from Missouri to London that include hotel bookings?

    Yes. In addition to deals on Missouri to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to London.

  • Can I find deals for business class flights from Missouri to London?

    Yes. Cheapflights offers flight deals from Missouri to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to London, Ontario?

    Currently, June is the cheapest month in which you can book a flight from Missouri to London, Ontario (average of C$ 243). Flying from Missouri to London, Ontario in January is currently the most expensive (average of C$ 1,072). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

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

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Missouri to London?

Deals for Missouri to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Missouri to London?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Missouri to London.

Can Cheapflights find flights from Missouri to London with no change fees?

Certainly. Search results for flights to London from Missouri shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Missouri to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Missouri today and book when prices fit your budget.

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