Which airports can I use when flying from Cardiff to St. Louis?

Flights from Cardiff to St. Louis usually depart from Cardiff Wales (CWL) and arrive at Lambert-St Louis (STL).

Can I save money by using flexible dates for flights from Cardiff to St. Louis?

Yes. Being flexible with your travel dates can save you up to 62% on the Cardiff to St. Louis route. Tuesday is the cheapest departure day at £687 return on average, while Wednesday is the most expensive at £1,786, a difference of £1,099. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in St. Louis?

America's Center Convention Complex is one of the most viewed places in St. Louis on KAYAK.

Do I need a passport to fly from Cardiff to St. Louis?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Cardiff to St. Louis changed much recently?

Yes. Based on fares seen in the past 5 days, return prices on this route varied from about £1,406 to £2,403. That means the highest observed fare was about 70% higher than the lowest one.

How are flight prices from Cardiff to St. Louis looking right now?

One-way fares from Cardiff to St. Louis are currently higher than usual. Average one-way flight prices are about £742, which is 108% above the typical average for this route.

What is the time difference between Cardiff and St. Louis?

St. Louis is 6 hours behind Cardiff (Central Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at Lambert-St Louis Airport (STL)?

Lambert-St Louis Airport (STL) hosts 5 major car hire companies, with daily rates starting from around £23 for economy cars. Top options include: • Hertz • Budget • Alamo • Enterprise Rent-A-Car • Payless

How much should I expect to pay for a Cardiff to St. Louis flight?

Return flights from Cardiff to St. Louis range from £857 to £1,786, with an average of £915 over the past 12 months. Anything below £857 counts as a good deal.

How much is a return flight from Cardiff to St. Louis?

Return flights from Cardiff to St. Louis start at £1,406. Prices are typical for this route right now, with typical return fares ranging from £857 to £1,786. The lowest price found in the past 5 days was £1,406 on KLM.

What is the cheapest airline to fly from Cardiff to St. Louis?

KLM (£1,406) offered the cheapest return ticket from Cardiff to St. Louis in the last 5 days.

£602 CHEAP FLIGHTS from Cardiff to St. Louis (CWL - STL)

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Cheapest return flight

£1,406

Typical prices: £857-£1,786

KLM

Fri 12/10Tue 16/10

CWL - STL • 2 stops

Cheapest one-way flight

£602

Typical prices: £356-£356

Multiple Airlines

Fri 12/10

CWL - STL • 3 stops

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We hope you enjoy your trip to St. Louis!

Flight Deals

Cheap Flights from Cardiff to St. Louis (CWL-STL)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Recent return flight deals from Cardiff to St. Louis

Mon, 12 Oct - Fri, 16 Oct

17:15 - 16:28CWL Cardiff Wales-STL Lambert-St Louis

29h 13m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

10:30 - 09:15STL Lambert-St Louis-CWL Cardiff Wales

16h 45m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

£1,406KLM

Mon, 12 Oct - Fri, 16 Oct

17:15 - 13:25CWL Cardiff Wales-STL Lambert-St Louis

26h 10m3 stops Amsterdam Schiphol Gdansk Rebiechowo Frankfurt am Main

14:40 - 17:05STL Lambert-St Louis-CWL Cardiff Wales

20h 25m2 stops Toronto Pearson Intl Amsterdam Schiphol

£2,131Multiple Airlines

Mon, 12 Oct - Fri, 16 Oct

17:15 - 13:25CWL Cardiff Wales-STL Lambert-St Louis

26h 10m3 stops Amsterdam Schiphol Gdansk Rebiechowo Frankfurt am Main

15:30 - 17:05STL Lambert-St Louis-CWL Cardiff Wales

19h 35m3 stops Frankfurt am Main Duesseldorf Intl Amsterdam Schiphol

£2,403Multiple Airlines

Booking Insights

Price, demand, and travel trends for Cardiff to St. Louis flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Cardiff to St. Louis with more confidence.

Prices

Airlines

How much is a return flight from Cardiff to St. Louis? This analysis is based on the cheapest return price found on KAYAK in the last 12 months by searching for a flight from Cardiff to St. Louis departing in October.

Find deals

Cheapest flight	£602

Flights from Cardiff to St. Louis

When to book flights from Cardiff to St. Louis

Are your dates flexible? Find out the best times to travel from Cardiff to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Do I need a passport to fly from Cardiff to St. Louis?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Cardiff to St. Louis flight?
Return flights from Cardiff to St. Louis range from £857 to £1,786, with an average of £915 over the past 12 months. Anything below £857 counts as a good deal.
Have flight prices from Cardiff to St. Louis changed much recently?
Yes. Based on fares seen in the past 5 days, return prices on this route varied from about £1,406 to £2,403. That means the highest observed fare was about 70% higher than the lowest one.
How are flight prices from Cardiff to St. Louis looking right now?
One-way fares from Cardiff to St. Louis are currently higher than usual. Average one-way flight prices are about £742, which is 108% above the typical average for this route.
Which car hire options are available at Lambert-St Louis Airport (STL)?
Lambert-St Louis Airport (STL) hosts 5 major car hire companies, with daily rates starting from around £23 for economy cars. Top options include:
• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless
Which airports can I use when flying from Cardiff to St. Louis?
Flights from Cardiff to St. Louis usually depart from Cardiff Wales (CWL) and arrive at Lambert-St Louis (STL).
Can I save money by using flexible dates for flights from Cardiff to St. Louis?
Yes. Being flexible with your travel dates can save you up to 62% on the Cardiff to St. Louis route. Tuesday is the cheapest departure day at £687 return on average, while Wednesday is the most expensive at £1,786, a difference of £1,099. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Cardiff and St. Louis?
St. Louis is 6 hours behind Cardiff (Central Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in St. Louis?
America's Center Convention Complex is one of the most viewed places in St. Louis on KAYAK.

If your dates are flexible, aim for a Tuesday departure instead of Wednesday. On this route, Tuesday flights average £687 – about £1,099 less than Wednesday (62% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.
- Renaissance St. Louis Airport Hotel
- Drury Inn & Suites St. Louis Airport
- DoubleTree by Hilton St. Louis Airport

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Everything you should know

Cheap Flights from Cardiff to St. Louis (CWL-STL)

Recent return flight deals from Cardiff to St. Louis

Recent one-way flight deals from Cardiff to St. Louis

Price, demand, and travel trends for Cardiff to St. Louis flights

How much is a return flight from Cardiff to St. Louis?

What is the cheapest airline to fly from Cardiff to St. Louis?

Key details for Cardiff to St. Louis flights

Cheapest flight

When to book flights from Cardiff to St. Louis

Your Cardiff to St. Louis flight questions, answered

Your guide to booking Cardiff to St. Louis flights

More options for your flight from Cardiff to St. Louis

Complete your trip to St. Louis with a hotel stay or car hire

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