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Cheap flights from Missouri to London, ON from C$ 295

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YXU
5 ago. — 12 ago.1
1 adult

Cheap flight deals from Missouri to London

Keep the following information in mind while searching for Missouri to London flight deals. Data was last updated 31 julio 2025.

Round-trip from

C$ 902

One-way from

C$ 295
Air Canada
  • Air Canada
  • 12/9-19/9
  • 2 total stops
  • 10h 42m total
  • Missouri to London
Search Deals
14/9
  • 14/9
  • 2 total stops
  • 32h 17m total
  • Missouri to London
Search Deals

Find flight deals from Missouri to London

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 31 julio 2025.

vie. 12/94:05 p.m.STL - YXU
1 stop4h 24mAir Canada
vie. 19/910:00 a.m.YXU - STL
1 stop6h 18mAir Canada
Deal found 29/7C$ 902
sáb. 13/99:07 a.m.STL - YXU
2 stops29h 10mUnited Airlines
sáb. 20/96:10 a.m.YXU - STL
2 stops15h 36mUnited Airlines
Deal found 30/7C$ 1,121

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 31 julio 2025.
Use the filters below to find and compare flights from Missouri to London that are best for you.

Fly from

Missouri

Fly to

London

Route

Depart

Return

Price

St. LouisLondon

STL - YXU

STLYXU

Lambert-St Louis

vie. 12/9

4:05 p.m.-9:29 p.m.

1 stop4h 24m

London

vie. 19/9

10:00 a.m.-3:18 p.m.

1 stop6h 18m

C$ 902

St. LouisLondon

STL - YXU

STLYXU

Lambert-St Louis

sáb. 13/9

9:07 a.m.-3:17 p.m.

2 stops29h 10m

London

sáb. 20/9

6:10 a.m.-8:46 p.m.

2 stops15h 36m

C$ 1,121

St. LouisLondon

STL - YXU

STLYXU

Lambert-St Louis

dom. 14/9

7:55 p.m.-5:12 a.m.

2 stops32h 17m

C$ 295

St. LouisLondon

STL - YXU

STLYXU

Lambert-St Louis

dom. 14/9

9:15 a.m.-3:17 p.m.

1 stop5h 02m

C$ 552

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

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, October 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 December is currently the most expensive (average of C$ 478). 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.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 31 julio 2025.
Read through reviews of airlines operating flights from Missouri to London, such as United Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,900 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,900 reviews
United Airlines
7.4
Good
8,900 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,851 reviews
United Airlines
7.4
Good
8,900 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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, October 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 December is currently the most expensive (average of C$ 478). 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
Grand Bend
Port Stanley

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

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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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