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

The cheapet airlines for a one-way flight from Missouri to London Heathrow Airport are Aer Lingus (£342), KLM (£349), and Air Canada (£359).

What are the most popular routes from Missouri to London Heathrow Airport?

The most popular route from Missouri to London Heathrow Airport is Lambert-St Louis - London Heathrow. You may also consider Kansas City - London Heathrow or Springfield-Branson - London Heathrow.

What are the most popular airlines that fly from Missouri to London Heathrow Airport?

American Airlines, British Airways and KLM are the most popular airlines when flying from Missouri to London Heathrow Airport.

How far in advance should I book a flight from Missouri to London Heathrow Airport?

Users have found that booking a flight from Missouri to London Heathrow Airport at least 27 days early can save you up to 25% on average compared to booking a flight this week. If booking 27 days before your flight isn’t an option for you, users have found flights from Missouri to London Heathrow Airport for as little as £654 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £654 for flights departing within the next 3 days.

What is the cheapest month to fly from Missouri to London Heathrow Airport?

The best pricing can be found in the month of April. Prices to London Heathrow Airport from Missouri average £709. You can even find prices in April for less than £709, as users have found deals to London Heathrow Airport from as low as £474. The month of June appears to be one of the more expensive times to travel to London Heathrow Airport from Missouri. Flying in the targeted month can save you up to 32%.

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

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

How can I find direct flights from Missouri to Heathrow?

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

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

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

£276+ Flights from Missouri to London Heathrow Airport

Cheap flight deals from Missouri to Heathrow

Round-trip from	£533
One-way from	£276
Popular in	June
Cheapest in	April
Average price	£630

Iberia
11/4-17/4
2 total stops
27h 07m total
Missouri to London

Search Deals

28/4
2 total stops
33h 15m total
Missouri to London

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£113 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from Missouri to Heathrow

Cheapest flights from Missouri to Heathrow
Explore the most affordable flight options available from Missouri to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2025.

Fri 11/411:21STL - LHR

1 stop13h 04mIberia

Thu 17/415:30LHR - STL

1 stop14h 03mIberia

Deal found 24/3£533

Tue 13/513:38STL - LHR

1 stop16h 37mBritish Airways

Tue 20/517:20LHR - STL

2 stops31h 13mBritish Airways

Deal found 24/3£534

Sat 11/1016:30STL - LHR

1 stop35h 10mUnited Airlines

Tue 21/1017:40LHR - STL

1 stop31h 53mUnited Airlines

Deal found 24/3£535

Sun 4/508:50SGF - LHR

1 stop16h 50mUnited Airlines

Wed 21/507:30LHR - SGF

2 stops20h 31mUnited Airlines

Deal found 24/3£536

Tue 14/1011:51STL - LHR

1 stop12h 54mDelta

Wed 22/1008:40LHR - STL

2 stops18h 07mDelta

Deal found 25/3£536

Tue 26/813:30STL - LHR

1 stop11h 00mAir Canada

Fri 5/906:00LHR - STL

2 stops19h 57mAir Canada

Deal found 24/3£540

Thu 20/1116:15STL - LHR

2 stops32h 55mMultiple Airlines

Wed 26/1113:30LHR - STL

2 stops31h 56mMultiple Airlines

Deal found 25/3£543

Tue 20/513:14MCI - LHR

1 stop12h 01mDelta

Tue 27/510:55LHR - MCI

1 stop13h 31mDelta

Deal found 24/3£544

Sun 20/417:36MCI - LHR

2 stops19h 14mBritish Airways

Mon 5/519:25LHR - MCI

2 stops27h 20mBritish Airways

Deal found 24/3£545

Sun 4/518:54SGF - LHR

1 stop29h 51mDelta

Tue 20/511:20LHR - SGF

1 stop12h 56mDelta

Deal found 24/3£546

Tue 18/1114:19SGF - LHR

1 stop13h 21mBritish Airways

Fri 28/1111:00LHR - SGF

1 stop15h 32mBritish Airways

Deal found 25/3£546

Tue 6/518:40MCI - LHR

1 stop11h 05mUnited Airlines

Thu 15/507:25LHR - MCI

2 stops20h 22mUnited Airlines

Deal found 24/3£553

Best flights from Missouri to Heathrow
Discover carefully curated flight deals from Missouri to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 March 2025.

Fri 11/411:21STL - LHR

1 stop13h 04mIberia

Thu 17/415:30LHR - STL

1 stop14h 03mIberia

Deal found 24/3£533

Tue 13/513:38STL - LHR

1 stop16h 37mBritish Airways

Tue 20/517:20LHR - STL

2 stops31h 13mBritish Airways

Deal found 24/3£534

Sun 4/508:50SGF - LHR

1 stop16h 50mUnited Airlines

Wed 21/507:30LHR - SGF

2 stops20h 31mUnited Airlines

Deal found 24/3£536

Tue 13/514:15STL - LHR

2 stops16h 55mDelta

Tue 20/508:40LHR - STL

2 stops17h 59mDelta

Deal found 24/3£538

Tue 26/813:30STL - LHR

1 stop11h 00mAir Canada

Fri 5/906:00LHR - STL

2 stops19h 57mAir Canada

Deal found 24/3£540

Tue 20/507:30STL - LHR

1 stop17h 05mMultiple Airlines

Mon 2/610:30LHR - STL

2 stops15h 28mMultiple Airlines

Deal found 24/3£556

Mon 18/815:35SGF - LHR

2 stops20h 05mScandinavian Airlines

Fri 29/806:40LHR - SGF

2 stops21h 50mScandinavian Airlines

Deal found 25/3£601

Thu 4/917:30STL - LHR

2 stops17h 10mLufthansa

Sat 13/906:30LHR - STL

2 stops19h 09mLufthansa

Deal found 24/3£622

Tue 22/418:00STL - LHR

1 stop12h 15mFinnair

Tue 29/409:30LHR - STL

2 stops18h 42mFinnair

Deal found 25/3£659

Tue 20/513:14MCI - LHR

1 stop13h 36mAir France

Thu 29/515:15LHR - MCI

1 stop14h 44mAir France

Deal found 25/3£676

Wed 23/410:17STL - LHR

2 stops15h 43mAer Lingus

Wed 30/413:25LHR - STL

2 stops16h 08mAer Lingus

Deal found 24/3£694

Sat 10/513:15MCI - LHR

1 stop15h 55mVirgin Atlantic

Sat 17/511:20LHR - MCI

1 stop18h 16mVirgin Atlantic

Deal found 26/3£723

Last-minute flights from Missouri to Heathrow
Discover last-minute flight deals from Missouri to Heathrow. Data last updated 26 March 2025 and is based on user searches.

Sat 29/315:00MCI - LHR

2 stops20h 40mScandinavian Airlines

Mon 31/306:40LHR - MCI

2 stops21h 04mScandinavian Airlines

Deal found 25/3£612

Tue 1/412:15MCI - LHR

2 stops19h 10mAer Lingus

Thu 1/512:00LHR - MCI

2 stops17h 49mAer Lingus

Deal found 25/3£759

Tue 1/414:27MCI - LHR

1 stop17h 03mDelta

Thu 1/509:55LHR - MCI

2 stops16h 09mDelta

Deal found 25/3£1,150

Tue 1/418:06MCI - LHR

1 stop10h 24mFinnair

Thu 1/515:10LHR - MCI

1 stop13h 46mFinnair

Deal found 25/3£1,153

Tue 1/407:45MCI - LHR

3 stops16h 45mMultiple Airlines

Thu 1/512:05LHR - MCI

2 stops15h 42mMultiple Airlines

Deal found 25/3£1,171

Tue 1/419:41MCI - LHR

1 stop12h 44mBritish Airways

Thu 1/515:30LHR - MCI

1 stop14h 19mBritish Airways

Deal found 26/3£1,276

Wed 2/415:30STL - LHR

1 stop12h 10mLufthansa

Wed 23/406:30LHR - STL

1 stop13h 00mLufthansa

Deal found 25/3£1,131

Thu 3/414:05STL - LHR

2 stops15h 05mAer Lingus

Tue 8/407:40LHR - STL

2 stops16h 22mAer Lingus

Deal found 24/3£703

Thu 3/413:43STL - LHR

1 stop13h 57mUnited Airlines

Tue 8/414:05LHR - STL

2 stops28h 15mUnited Airlines

Deal found 24/3£742

Thu 3/415:30STL - LHR

1 stop14h 20mMultiple Airlines

Mon 7/419:30LHR - STL

2 stops26h 17mMultiple Airlines

Deal found 24/3£764

Thu 3/413:48STL - LHR

2 stops14h 27mDelta

Mon 7/411:45LHR - STL

2 stops17h 44mDelta

Deal found 24/3£791

Thu 3/418:29STL - LHR

1 stop10h 01mFinnair

Thu 10/410:20LHR - STL

2 stops17h 52mFinnair

Deal found 25/3£1,169

One-way flights from Missouri to Heathrow
Search for one-way flight options from Missouri to Heathrow. Find affordable one-way fares based on user searches. Data last updated 26 March 2025.

Mon 28/420:40MCI - LHR

2 stops33h 15mMultiple Airlines

Deal found 25/3£276

Tue 8/412:15STL - LHR

3 stops17h 40mMultiple Airlines

Deal found 25/3£319

Mon 21/412:00STL - LHR

2 stops14h 00mAer Lingus

Deal found 24/3£342

Mon 21/419:01STL - LHR

1 stop12h 29mKLM

Deal found 24/3£349

Thu 8/513:30STL - LHR

1 stop14h 30mAir Canada

Deal found 25/3£359

Fri 12/908:15MCI - LHR

3 stops19h 45mUnited Airlines

Deal found 24/3£363

Wed 14/507:45MCI - LHR

2 stops20h 15mAir Canada

Deal found 24/3£382

Thu 15/512:09SGF - LHR

2 stops16h 26mBritish Airways

Deal found 25/3£383

Sun 27/412:38MCI - LHR

1 stop12h 07mAir France

Deal found 25/3£393

Tue 19/814:18SGF - LHR

2 stops39h 47mMultiple Airlines

Deal found 25/3£393

Tue 8/414:03STL - LHR

1 stop10h 37mBritish Airways

Deal found 25/3£399

Wed 21/517:48MCI - LHR

2 stops12h 47mDelta

Deal found 25/3£409

Cheapflights Fare Finder

Use the filters below to find and compare flights from Missouri to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Fri 11/4

11:21-06:25

1 stop13h 04m

London Heathrow

Thu 17/4

15:30-23:33

1 stop14h 03m

£533

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 13/5

13:38-12:15

1 stop16h 37m

London Heathrow

Tue 20/5

17:20-18:33

2 stops31h 13m

£534

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Sun 4/5

08:50-07:40

1 stop16h 50m

London Heathrow

Wed 21/5

07:30-22:01

2 stops20h 31m

£536

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 13/5

14:15-13:10

2 stops16h 55m

London Heathrow

Tue 20/5

08:40-20:39

2 stops17h 59m

£538

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 26/8

13:30-06:30

1 stop11h 00m

London Heathrow

Fri 5/9

06:00-19:57

2 stops19h 57m

£540

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 20/5

13:14-07:15

1 stop12h 01m

London Heathrow

Tue 27/5

10:55-18:26

1 stop13h 31m

£544

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Sun 20/4

17:36-18:50

2 stops19h 14m

London Heathrow

Mon 5/5

19:25-16:45

2 stops27h 20m

£545

SpringfieldLondon

SGF - LHR

SGFLHR

Springfield-Branson

Sun 4/5

18:54-06:45

1 stop29h 51m

London Heathrow

Tue 20/5

11:20-18:16

1 stop12h 56m

£546

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Thu 8/5

13:30-10:00

1 stop14h 30m

London Heathrow

Thu 15/5

06:30-15:47

2 stops15h 17m

£551

Kansas CityLondon

MCI - LHR

MCILHR

Kansas City

Tue 6/5

18:40-11:45

1 stop11h 05m

London Heathrow

Thu 15/5

07:25-21:47

2 stops20h 22m

£553

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 57 results

...

Best time to book a flight from Missouri to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Missouri with our price prediction graph.

Estimated return 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 Heathrow Airport

What is the cheapest month to book a flight from Missouri to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Missouri to London Heathrow Airport (average of £112). Flying from Missouri to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

What is the cheapest time of day to fly from MO to LHR?

When flying from Missouri to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Missouri to London to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,891 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,891 reviews

Delta

8.0

Very Good

7,891 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,319 reviews

Delta

8.0

Very Good

7,891 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,267 reviews

Delta

8.0

Very Good

7,891 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,423 reviews

Delta

8.0

Very Good

7,891 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,608 reviews

Delta

8.0

Very Good

7,891 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Missouri to London Heathrow Airport one-way?
The cheapet airlines for a one-way flight from Missouri to London Heathrow Airport are Aer Lingus (£342), KLM (£349), and Air Canada (£359).
What are the most popular routes from Missouri to London Heathrow Airport?
The most popular route from Missouri to London Heathrow Airport is Lambert-St Louis - London Heathrow. You may also consider Kansas City - London Heathrow or Springfield-Branson - London Heathrow.
Can I find deals for flights from Missouri to Heathrow that include hotel bookings?
Yes. In addition to deals on Missouri to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Missouri to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Heathrow.
Can I find deals for business class flights from Missouri to Heathrow?
Yes. Cheapflights offers flight deals from Missouri to Heathrow 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 Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Missouri to London Heathrow Airport (average of £112). Flying from Missouri to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Hounslow

Deal

Milton Keynes

Gatwick

Croydon

Luton

Slough

Eastbourne

Wembley

Northampton

Swindon

Hayes

Ilford

Crawley

Southend-on-Sea

Winchester

Maidstone

Ipswich

Watford

Southall

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Missouri to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£509	Average£837	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£529	Average£720	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£550	Average£828	FlexibilityNo cancel fee	On-time75%	Search KLM flights
American Airlines	Cheapest£607	Average£1,201	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Missouri to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Missouri.

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

Certainly. Search results for flights to Heathrow 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 Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Missouri to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Missouri to London Heathrow Airport from £276

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Missouri to Heathrow

Keep the following information in mind while searching for Missouri to Heathrow flight deals. Data was last updated 26 March 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Missouri to Heathrow

Cheapest flights from Missouri to HeathrowExplore the most affordable flight options available from Missouri to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2025.

Explore the most affordable flight options available from Missouri to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Missouri to London Heathrow Airport that are best for you.

Best time to book a flight from Missouri to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Missouri with our price prediction graph.

Cheapflights Insights

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

What is the cheapest month to book a flight from Missouri to London Heathrow Airport?

What is the cheapest time of day to fly from MO to LHR?

Find hourly flight availability from Missouri to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 March 2025.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Missouri to London to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

What are the most popular routes from Missouri to London Heathrow Airport?

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

How can I find direct flights from Missouri to Heathrow?

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

What is the cheapest month to book a flight from Missouri to London Heathrow Airport?

Travelling to a place near Missouri?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missouri to Heathrow

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

Top 4 airlines flying from Missouri to Heathrow

Fly with Cheapflights

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

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

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

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

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

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Cheapest flights from Missouri to Heathrow
Explore the most affordable flight options available from Missouri to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2025.