Cheap flights from Missouri to London

STL — LON
7 May — 14 May1
1 adult
1 adult, Economy, 0 bags

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 7 April 2026.

Round-trip from

£549

One-way from

£249

Popular in

June

Cheapest in

January

Average price

£562

Good round-trip deal

£932 or less
Lufthansa
  • Lufthansa
  • 7/9-9/9
  • 4 total stops
  • 34h 36m total
  • Missouri to London
British Airways
  • British Airways
  • 19/8
  • 1 total stop
  • 11h 16m total
  • Missouri to London
Highest demand for flights based on searches. 25% potential increase in price (£170 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Missouri to London (LON).

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?

Currently, February is the cheapest month in which you can book a flight from Missouri to London (average of £397). Flying from Missouri to London in June is currently the most expensive (average of £772). 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.

How much does it cost for a return flight from Missouri to London?

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.
  • How long is the flight from Missouri to London?

    For as low as £659, SWISS can have you in London from Missouri in 11h 23m. The distance from Missouri to London is about 4186 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to London one-way?

    The cheapest airline one-way is Ryanair, with whom users have recently found tickets for as low as £24. However, be on the lookout for offers from British Airways and Luxair, as they are both options that can get you from Missouri to London for a low price.

  • What are the most popular routes from Missouri to London?

  • What are the cheapest flights from Missouri to London?

    On average you can expect to pay £932 for a flight from Missouri to London. The cheapest flight overall is £670 while the most popular route, (Lambert-St Louis - London Heathrow) is currently priced at £631.

  • 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 holiday 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?

    Currently, February is the cheapest month in which you can book a flight from Missouri to London (average of £397). Flying from Missouri to London in June is currently the most expensive (average of £772). 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

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Alternative routes for Missouri to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Missouri to London

Discover the top 3 airlines that operate flights from Missouri to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£415Average£580FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£438Average£635FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£483Average£941FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

Cheapflights makes it easy to find Missouri to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Missouri to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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