What is the cheapest month to fly to St. Charles?

March is currently the cheapest month to fly to St. Charles . At this moment in time July is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

Can I find cheaper flights to St. Charles if I am willing to have stopovers?

Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to St. Charles on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to St. Charles?

Based on reviews from Cheapflights users, Air Canada is rated the highest out of the airlines that fly to St. Charles.

How much is a return flight to St. Charles?

A return flight to St. Charles will typically cost around £539, however they can be found for as little as £428.

Where does the fastest flight to St. Charles depart from?

For those looking to save time traveling to St. Charles, London offers the quickest one-way flight (13 hours 49 minutes).

Does Lambert-St Louis have car hire?

Yes. Those touching down at Lambert-St Louis can take advantage of the car hire services offered upon their arrival.

Are there hotels close to Lambert-St Louis?

Yes. Lambert-St Louis has hotels nearby for those requiring accommodations. Hampton Inn St. Louis-Airport is the closest property to Lambert-St Louis (0.0 mi away from Lambert-St Louis).

£343+ Flights to St. Charles

Find flights to St. Charles within your budget

Fly from

Route

Depart

Return

Price

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 13/1

14:00-14:43

2 stops30h 43m

Lambert-St Louis

Tue 21/1

12:15-10:55

3 stops16h 40m

£609

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 13/1

12:15-11:45

3 stops29h 30m

Lambert-St Louis

Thu 30/1

12:15-19:30

3 stops25h 15m

£615

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 10/3

13:30-21:12

1 stop12h 42m

Lambert-St Louis

Sun 30/3

18:05-09:25

1 stop33h 20m

£618

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 23/1

17:00-12:50

2 stops25h 50m

Lambert-St Louis

Sun 26/1

16:53-07:20

1 stop32h 27m

£685

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Sat 7/12

06:25-15:21

3 stops38h 56m

Lambert-St Louis

Wed 11/12

15:45-16:25

2 stops18h 40m

£721

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 27/1

18:00-15:06

1 stop27h 06m

Lambert-St Louis

Sun 2/2

16:36-10:10

2 stops35h 34m

£787

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 23/1

19:30-23:38

2 stops34h 08m

Lambert-St Louis

Sun 26/1

10:59-16:00

2 stops23h 01m

£800

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 22/1

15:00-12:16

2 stops27h 16m

Lambert-St Louis

Thu 20/2

12:00-06:55

1 stop12h 55m

£803

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 13/1

19:25-23:30

2 stops34h 05m

Lambert-St Louis

Tue 21/1

11:28-06:20

1 stop12h 52m

£810

LondonSt. Louis

LCY - STL

LCYSTL

London City

Mon 13/1

10:00-20:56

2 stops16h 56m

Lambert-St Louis

Thu 30/1

06:00-08:10

2 stops20h 10m

£810

Flights are sorted by cheapest return flights first.

Deals found on 21/11

Showing 1-10 of 49 results

...

Flights to St. Charles in 2024

Return from	£609
One-way from	£343
Popular in	August
Cheapest in	January
Average price	£611

13/1-21/1
5 total stops
47h 23m total
London to St. Louis

Search Deals

15/2
1 total stop
15h 43m total
London to St. Charles

Search Deals

High demand for flights, 17% potential price rise

Search Deals

Best time to find cheap flights, 4% potential price drop

Search Deals

Average for return flights in November 2024

Search Deals

Find flight deals to St. Charles

Cheapest flights to St. Charles
Explore the most affordable flight options available to St. Charles. Find the lowest fares based on data from user searches, with prices last updated on 22 November 2024.

Sun 8/1211:15LHR - STL

1 stop18h 57mFinnair

Thu 12/1213:36STL - LHR

1 stop12h 39mFinnair

Deal found 22/11£636

Thu 5/1214:00LGW - STL

1 stop15h 24mMultiple Airlines

Wed 18/1211:45STL - LGW

1 stop16h 15mMultiple Airlines

Deal found 21/11£648

Mon 16/1206:40LHR - STL

3 stops35h 05mMultiple Airlines

Mon 30/1213:00STL - LHR

3 stops22h 40mMultiple Airlines

Deal found 21/11£686

Sat 7/1206:25LTN - STL

3 stops38h 56mMultiple Airlines

Wed 11/1215:45STL - LTN

2 stops18h 40mMultiple Airlines

Deal found 21/11£721

Sat 7/1215:10LHR - STL

1 stop14h 18mUnited Airlines

Wed 11/1212:00STL - LHR

1 stop11h 55mUnited Airlines

Deal found 21/11£853

Thu 5/1212:20LHR - STL

1 stop14h 29mVirgin Atlantic

Wed 18/1210:21STL - LHR

1 stop14h 44mVirgin Atlantic

Deal found 21/11£880

Tue 31/1210:50LHR - STL

1 stop15h 53mDelta

Thu 19/615:40STL - LHR

1 stop13h 50mDelta

Deal found 21/11£888

Sat 14/1209:20LHR - STL

1 stop17h 31mLufthansa

Wed 22/109:44STL - LHR

2 stops15h 26mLufthansa

Deal found 22/11£899

Thu 26/1214:10LHR - STL

1 stop25h 26mIberia

Tue 31/1214:27STL - LHR

2 stops12h 08mIberia

Deal found 21/11£917

Sat 14/1206:40LHR - STL

2 stops23h 03mScandinavian Airlines

Wed 22/111:09STL - LHR

3 stops23h 16mScandinavian Airlines

Deal found 22/11£939

Thu 26/1214:30LHR - STL

1 stop30h 36mAir Canada

Tue 31/1215:50STL - LHR

1 stop10h 40mAir Canada

Deal found 22/11£962

Thu 5/1209:10LCY - STL

3 stops32h 35mMultiple Airlines

Wed 18/1212:00STL - LCY

3 stops23h 30mMultiple Airlines

Deal found 21/11£965

Best flights to St. Charles
Discover carefully curated flight deals to St. Charles that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 November 2024.

Mon 13/114:00LGW - STL

2 stops30h 43mMultiple Airlines

Tue 21/112:15STL - LGW

3 stops16h 40mMultiple Airlines

Deal found 21/11£609

Mon 10/313:30LHR - STL

1 stop12h 42mFinnair

Sun 30/318:05STL - LHR

1 stop33h 20mFinnair

Deal found 20/11£618

Thu 23/117:00LHR - STL

2 stops25h 50mIberia

Sun 26/116:53STL - LHR

1 stop32h 27mIberia

Deal found 22/11£685

Mon 27/118:00LHR - STL

1 stop27h 06mLufthansa

Sun 2/216:36STL - LHR

2 stops35h 34mLufthansa

Deal found 22/11£787

Thu 23/119:30LHR - STL

2 stops34h 08mScandinavian Airlines

Sun 26/110:59STL - LHR

2 stops23h 01mScandinavian Airlines

Deal found 22/11£800

Wed 22/115:00LHR - STL

2 stops27h 16mUnited Airlines

Thu 20/212:00STL - LHR

1 stop12h 55mUnited Airlines

Deal found 22/11£803

Mon 13/119:25LHR - STL

2 stops34h 05mAustrian Airlines

Tue 21/111:28STL - LHR

1 stop12h 52mAustrian Airlines

Deal found 21/11£810

Mon 13/110:00LCY - STL

2 stops16h 56mVirgin Atlantic

Thu 30/106:00STL - LCY

2 stops20h 10mVirgin Atlantic

Deal found 22/11£810

Mon 6/118:00LHR - STL

1 stop27h 06mAir Canada

Sun 12/115:50STL - LHR

1 stop32h 40mAir Canada

Deal found 22/11£850

Mon 6/120:05LHR - STL

2 stops20h 19mDelta

Sun 12/114:00STL - LHR

1 stop14h 35mDelta

Deal found 22/11£865

Thu 16/112:30LGW - STL

2 stops26h 33mAmerican Airlines

Sun 19/107:18STL - LGW

2 stops18h 12mAmerican Airlines

Deal found 21/11£877

Thu 1/512:30LHR - STL

1 stop35h 07mBritish Airways

Sat 3/517:54STL - LHR

1 stop33h 31mBritish Airways

Deal found 21/11£911

Last-minute flights to St. Charles
Discover last-minute flight deals to St. Charles. Data last updated 22 November 2024 and is based on user searches.

Sat 30/1116:30LHR - STL

2 stops53h 21mMultiple Airlines

Sat 7/1216:13STL - LHR

1 stop14h 57mMultiple Airlines

Deal found 21/11£1,066

Sat 30/1110:15LHR - STL

1 stop17h 44mIberia

Sat 7/1216:39STL - LHR

1 stop13h 41mIberia

Deal found 21/11£1,114

Sat 30/1108:15LHR - STL

2 stops19h 44mBritish Airways

Sat 7/1214:30STL - LHR

1 stop10h 20mBritish Airways

Deal found 22/11£1,119

Sat 30/1113:30LHR - STL

1 stop29h 57mFinnair

Sat 7/1216:39STL - LHR

1 stop13h 41mFinnair

Deal found 21/11£1,135

Sat 30/1108:40LHR - STL

2 stops18h 09mDelta

Sat 7/1213:08STL - LHR

1 stop16h 32mDelta

Deal found 22/11£1,275

Thu 5/1214:00LGW - STL

1 stop15h 24mMultiple Airlines

Wed 18/1211:45STL - LGW

1 stop16h 15mMultiple Airlines

Deal found 21/11£648

Thu 5/1212:20LHR - STL

1 stop14h 29mVirgin Atlantic

Wed 18/1210:21STL - LHR

1 stop14h 44mVirgin Atlantic

Deal found 21/11£880

Thu 5/1209:10LCY - STL

3 stops32h 35mMultiple Airlines

Wed 18/1212:00STL - LCY

3 stops23h 30mMultiple Airlines

Deal found 21/11£965

Sat 7/1206:25LTN - STL

3 stops38h 56mMultiple Airlines

Wed 11/1215:45STL - LTN

2 stops18h 40mMultiple Airlines

Deal found 21/11£721

Sat 7/1215:10LHR - STL

1 stop14h 18mUnited Airlines

Wed 11/1212:00STL - LHR

1 stop11h 55mUnited Airlines

Deal found 21/11£853

Sun 8/1211:15LHR - STL

1 stop18h 57mFinnair

Thu 12/1213:36STL - LHR

1 stop12h 39mFinnair

Deal found 22/11£636

Sat 14/1209:20LHR - STL

1 stop17h 31mLufthansa

Wed 22/109:44STL - LHR

2 stops15h 26mLufthansa

Deal found 22/11£899

One-way flights to St. Charles
Search for one-way flight options to St. Charles. Find affordable one-way fares based on user searches. Data last updated 22 November 2024.

Sat 15/214:00LGW - STL

1 stop15h 43mMultiple Airlines

Deal found 21/11£343

Fri 13/1209:40STN - STL

3 stops59h 41mMultiple Airlines

Deal found 20/11£396

Thu 12/1214:50LHR - STL

2 stops24h 32mWestJet

Deal found 20/11£443

Fri 13/1215:15LHR - STL

3 stops54h 06mMultiple Airlines

Deal found 20/11£458

Thu 12/1206:30LTN - STL

3 stops35h 15mMultiple Airlines

Deal found 20/11£502

Tue 17/1206:50LCY - STL

2 stops21h 03mMultiple Airlines

Deal found 21/11£633

Tue 17/1207:50LHR - STL

2 stops20h 03mAer Lingus

Deal found 21/11£641

Sun 16/214:10LHR - STL

1 stop13h 54mBritish Airways

Deal found 21/11£674

Tue 31/1212:35LHR - STL

1 stop16h 13mFinnair

Deal found 21/11£683

Sat 14/1217:50LHR - STL

3 stops26h 05mLufthansa

Deal found 20/11£813

Fri 9/506:45LCY - STL

2 stops19h 00mAer Lingus

Deal found 21/11£823

Sun 29/1205:50LGW - STL

2 stops39h 57mTurkish Airlines

Deal found 21/11£843

Best time to book a flight to St. Charles

Have a flexible travel schedule? Discover the best time to fly to St. Charles 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.

Travel insights for flights to St. Charles

Get recent, data-driven insights about flights to St. Charles including ideal travel times, pricing trends, and more.

When is the best time to book a flight to St. Charles?

To ensure you get the cheapest price possible for a flight to St. Charles, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to St. Charles?

On average, a flight from London to St. Charles takes 21 hours 43 minutes. Flights to St. Charles from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to St. Charles?

Users looking for the lowest fares to St. Charles should consider flying on Wednesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday evenings, when prices are usually at their highest.

What are the most popular airlines that fly to St. Charles?

The most popular airlines flying from London to St. Charles are Finnair, British Airways and Virgin Atlantic.

Finnair

From £629

British Airways

From £798

Virgin Atlantic

From £595

Lufthansa

From £887

What are the cheapest airlines that fly to St. Charles?

The cheapest airlines flying from London to St. Charles are Air Canada, United Airlines and Virgin Atlantic.

Rainfall in St. Charles by month

In terms of precipitation, rainfall in St. Charles ranges from 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Charles when rainfall is around 56.0 mm.

Temperature in St. Charles by month

If weather is an important factor for your trip to St. Charles, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

Reviews of airlines servicing St. Charles

Read reviews from past customers who have flown Finnair, American Airlines and British Airways to St. Charles. 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

8,747 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

8,747 reviews

Delta

8.0

Very Good

8,747 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,346 reviews

Delta

8.0

Very Good

8,747 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.7

Good

1,299 reviews

Delta

8.0

Very Good

8,747 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines

7.6

Good

804 reviews

Delta

8.0

Very Good

8,747 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic

7.5

Good

662 reviews

Delta

8.0

Very Good

8,747 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Can I find cheaper flights to St. Charles if I am willing to have stopovers?
Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to St. Charles on Cheapflights that require 1 or 2 stops for potential cost savings.
What is the best airline to fly to St. Charles?
Based on reviews from Cheapflights users, Air Canada is rated the highest out of the airlines that fly to St. Charles.
How much is a return flight to St. Charles?
A return flight to St. Charles will typically cost around £539, however they can be found for as little as £428.
Where does the fastest flight to St. Charles depart from?
For those looking to save time traveling to St. Charles, London offers the quickest one-way flight (13 hours 49 minutes).
Does Lambert-St Louis have car hire?
Yes. Those touching down at Lambert-St Louis can take advantage of the car hire services offered upon their arrival.
Are there hotels close to Lambert-St Louis?
Yes. Lambert-St Louis has hotels nearby for those requiring accommodations. Hampton Inn St. Louis-Airport is the closest property to Lambert-St Louis (0.0 mi away from Lambert-St Louis).

See more FAQs

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Deals for St. Charles 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 to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets to St. Charles?

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 St. Charles.

Can Cheapflights find flights to St. Charles with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights to St. Charles, users can toggle the no change fees filter when performing a flight search.

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Not ready to book yet? You can track prices for flights to St. Charles on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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£343+ Cheap flights to St. Charles

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find flights to St. Charles within your budget

Locate flights to St. Charles that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 915,844 searches and data was last updated on 22 November 2024.

Flights to St. Charles in 2024

Find the latest flights to St. Charles in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 915,844 searches and data was last updated on 22 November 2024.

Return from

One-way from

Popular in

Cheapest in

Average price

Find flight deals to St. Charles

Cheapest flights to St. CharlesExplore the most affordable flight options available to St. Charles. Find the lowest fares based on data from user searches, with prices last updated on 22 November 2024.

Explore the most affordable flight options available to St. Charles. Find the lowest fares based on data from user searches, with prices last updated on 22 November 2024.

Best time to book a flight to St. Charles

Have a flexible travel schedule? Discover the best time to fly to St. Charles with our price prediction graph.

Travel insights for flights to St. Charles

Get recent, data-driven insights about flights to St. Charles including ideal travel times, pricing trends, and more.

When is the best time to book a flight to St. Charles?

Use this chart to determine the optimal time to book a return flight from London to St. Charles. Price data was last updated on 15 November 2024.

How long is the flight to St. Charles?

When is the cheapest time to fly to St. Charles?

Use this chart to determine the cheapest time to fly return from London to St. Charles. Price data was last updated on 11 February 2024.

What are the most popular airlines that fly to St. Charles?

What are the cheapest airlines that fly to St. Charles?

Rainfall in St. Charles by month

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

Temperature in St. Charles by month

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

Reviews of airlines servicing St. Charles

Read reviews from past customers who have flown Finnair, American Airlines and British Airways to St. Charles. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Can I find cheaper flights to St. Charles if I am willing to have stopovers?

What is the best airline to fly to St. Charles?

How much is a return flight to St. Charles?

Where does the fastest flight to St. Charles depart from?

Does Lambert-St Louis have car hire?

Are there hotels close to Lambert-St Louis?

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.

Fly your favourite airline to St. Charles

Fly your favorite airline to St. Charles. Flight routes are based on user searches made on Cheapflights and were last updated on 22 November 2024.

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 to St. Charles?

Why should you use Cheapflights to find cheap flight tickets to St. Charles?

Can Cheapflights find flights to St. Charles with no change fees?

Can Cheapflights notify me if prices for flights to St. Charles become cheaper?

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Cheapest flights to St. Charles
Explore the most affordable flight options available to St. Charles. Find the lowest fares based on data from user searches, with prices last updated on 22 November 2024.