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Cheap flights from Missouri to London, ON from C$ 431

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YXU
4 Jun — 11 Jun1
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 5 May 2026.

Thu 4/62:15 p.m.
STL
-
YXU
1 stop6h 23m
Air Canada
Mon 8/63:30 p.m.
YXU
-
STL
1 stop5h 39m
Air Canada
Deal found 30/4C$ 943
Thu 3/98:55 a.m.
STL
-
YXU
1 stop5h 00m
Air Canada
Thu 10/93:30 p.m.
YXU
-
STL
1 stop5h 30m
Air Canada
Deal found 1/5C$ 965
Mon 15/61:05 p.m.
STL
-
YXU
2 stops7h 33m
Air Canada
Mon 22/610:05 a.m.
YXU
-
STL
2 stops11h 20m
Air Canada
Deal found 30/4C$ 967
Wed 17/61:05 p.m.
STL
-
YXU
2 stops7h 33m
Air Canada
Wed 24/610:05 a.m.
YXU
-
STL
2 stops11h 20m
Air Canada
Deal found 3/5C$ 1,045

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 5 May 2026.

Round-trip from

C$ 943

One-way from

C$ 431
Air Canada
  • Air Canada
  • 4/6-8/6
  • 2 total stops
  • 12h 02m total
  • Missouri to London
Search Deals
Air Canada
  • Air Canada
  • 14/6
  • 1 total stop
  • 5h 18m 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 5 May 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

Thu 4/6

2:15 p.m.-9:38 p.m.

1 stop6h 23m

London

Mon 8/6

3:30 p.m.-8:09 p.m.

1 stop5h 39m

C$ 943

St. LouisLondon

STL - YXU

STLYXU

Lambert-St Louis

Thu 3/9

8:55 a.m.-2:55 p.m.

1 stop5h 00m

London

Wed 9/9

10:05 a.m.-6:41 p.m.

2 stops9h 36m

C$ 977

St. LouisLondon

STL - YXU

STLYXU

Lambert-St Louis

Mon 15/6

2:15 p.m.-9:38 p.m.

1 stop6h 23m

London

Mon 22/6

5:10 a.m.-12:21 p.m.

1 stop8h 11m

C$ 977

St. LouisLondon

STL - YXU

STLYXU

Lambert-St Louis

Wed 17/6

1:05 p.m.-9:38 p.m.

2 stops7h 33m

London

Wed 24/6

3:30 p.m.-8:07 p.m.

1 stop5h 37m

C$ 999
Cheapest one-way
Quickest one-way

St. LouisLondon

STL - YXU

STLYXU

Lambert-St Louis

Sun 14/6

1:05 p.m.-9:38 p.m.

2 stops7h 33m

C$ 435

St. LouisLondon

STL - YXU

STLYXU

Lambert-St Louis

Sun 14/6

4:17 p.m.-1:50 p.m.

3 stops44h 33m

C$ 437

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/4

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
No data available for this route at this time. Please check back soon.

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 23m. Air Canada provides one of the quickest options available for as low as C$ 943. 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.

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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