€399 Find Cheap Flights to St. Charles

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Charles departing on 22/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Flights Deals

Cheap Flight Deals to St. Charles

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights to St. Charles that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals to St. Charles

KAYAK's recommended return flight deals from the most popular airlines that fly to St. Charles.
Discover the best prices for you by selecting your travel dates on KAYAK.
Scandinavian Airlines Logo
19:05 - 21:34DUB-STL
32h 29m2 stops
Scandinavian Airlines Logo
15:42 - 11:50STL-DUB
38h 08m2 stops
€663Scandinavian Airlines
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Wed, 11 Jun - Wed, 18 Jun
Scandinavian Airlines Logo
20:15 - 23:53DUB-STL
33h 38m2 stops
Scandinavian Airlines Logo
15:30 - 18:15STL-DUB
20h 45m2 stops
€693Scandinavian Airlines
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Thu, 24 Jul - Mon, 25 Aug
KLM Logo
11:00 - 23:39DUB-STL
18h 39m1 stop
KLM Logo
12:10 - 07:55STL-DUB
13h 45m1 stop
€760KLM
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Sun, 14 Sep - Thu, 25 Sep
Air France Logo
11:00 - 20:49DUB-STL
15h 49m1 stop
Air France Logo
17:45 - 15:00STL-DUB
15h 15m2 stops
€761Air France
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Sun, 14 Sep - Thu, 25 Sep
Scandinavian Airlines Logo
12:40 - 21:34DUB-STL
38h 54m2 stops
Scandinavian Airlines Logo
13:30 - 09:25STL-DUB
37h 55m2 stops
€764Scandinavian Airlines
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Fri, 13 Jun - Fri, 20 Jun
KLM Logo
11:00 - 20:39DUB-STL
15h 39m1 stop
KLM Logo
17:45 - 10:00STL-DUB
10h 15m1 stop
€790KLM
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Wed, 14 May - Sun, 1 Jun
American Airlines Logo
11:45 - 18:59DUB-STL
13h 14m1 stop
American Airlines Logo
16:52 - 11:40STL-DUB
12h 48m1 stop
€793American Airlines
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Sat, 20 Sep - Sat, 4 Oct
American Airlines Logo
11:45 - 20:23DUB-STL
14h 38m2 stops
American Airlines Logo
07:34 - 05:30STL-DUB
15h 56m1 stop
€798American Airlines
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Sat, 20 Sep - Sat, 4 Oct
Air Canada Logo
09:20 - 19:57DUB-STL
16h 37m1 stop
Air Canada Logo
09:15 - 08:15STL-DUB
17h 00m1 stop
€1,269Air Canada
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Thu, 25 Sep - Fri, 26 Sep
Air Canada Logo
06:30 - 19:40DUB-STL
19h 10m3 stops
Air Canada Logo
06:33 - 07:45STL-DUB
19h 12m2 stops
€1,550Air Canada
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Tue, 1 Jul - Mon, 7 Jul
Useful Info

Good to know – Book Cheap St. Charles Plane Tickets

Low season

June

High season

July

Cheapest flight

€399
Best time to beat the crowds but there is an average 6% increase in price.
Most popular time to fly (12% more expensive on average)
Flight from Dublin to St. Louis

FAQs - booking St. Charles flights

  • How to fly to St. Charles?

    You cannot fly directly to St. Charles. KAYAK recommends you fly to Lambert-St Louis (STL) (11.53 km from St. Charles). From there you can hire a car or take a taxi.

  • What airports are near St. Charles?

    The closest airport is Lambert-St Louis (STL) (11.53 km). KAYAK recommends you fly to Lambert-St Louis.

  • How far is Lambert-St Louis Airport from central St. Louis?

    Central St. Louis is 20 km away from Lambert-St Louis Airport.

  • What is the name of St. Louis’s airport?

    There is only 1 airport in St. Louis, called Lambert-St Louis Airport (STL). It can also be referred to as Lambert Field, Lambert-St Louis, St. Louis Lambert, or St. Louis Lambert Intl.

  • How does KAYAK find such low prices on flights to St. Charles?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to St. Charles.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to St. Charles?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Charles is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights to St. Charles?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Charles with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to St. Charles?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Charles up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to St. Charles

  • There is no major airport in St. Charles. It is instead served by Lambert-St Louis Airport.
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest St. Charles flight deals.

Top airlines flying to St. Charles

Need help choosing which airline to fly with from Ireland to St. Charles? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
American AirlinesOverall score based on 10000 reviews
7.2Comfort
8.0Crew
6.9Entertainment
7.5Boarding
6.5Food
Airline reviews

Paid $35 and not able to access the internet at all.

2.0 MediocreAnonymous, Apr 2025HND - JFK
Read more American Airlines reviews

Paid $35 and not able to access the internet at all.

Several delays. Next flight was worse. Did not arrive home until 2am PT

Very helpful ground crew after an earlier flight delay and being rebooked on a different flight.

Everything about the flight was lovely…We left early, arrived early, cabin crew were efficient and helpful. Flight was easy and most pleasant.

First world problems, but still… We were seated in first class and asked for a cocktail on a very short, 50 minute flight. After our drink order was taken, a half hour went by, and we noticed that every other person in the small plane had been served except for us. We got up to ask about it, the drinks finally came, then were taken away three minutes later since the flight was so short. Really strange situation, on the other hand, we were in Utah.

We missed our flight. The boarding pass had the wrong gate and by the time we received the text from Kayak, our flight was already gone. I’ll never use Kayak again and will go direct to the airlines in the future.

Boarding took forever, the plane was cramped and cold, and the seatbelt song came on constantly throughout the red eye flight with a loud pre-recorded message playing each time

Cabin felt crammed Snacks are lame But crew was super efficient getting us out on time despite delay

Flight was delayed bc of mechanical issue. New plane had different configuration so some seats had to be switched. They called all passengers who needed new boarding cards. They did not call us so we thought our seats were the same and fine. When we boarded they informed us our receipts had changed and we are now all sitting separate and in the back row. Both my daughters had meltdowns and started to cry and once we got on the flight, we figured out how we could sit closer to each other, but this was very upsetting.

Took off on time and successfully avoided weather that looked to be a problem along the way

My flight got delayed 5 times and then got cancelled eventually, I had to get a hotel and uber and pay for food for an extra night without any plans. It was a horrible experience, instead of Air Canada, I was flying with United .

I had a nice flight with free wifi. So I was able to message family members and stream music during my flight, which made the trip go by fast. I also enjoyed flying on there Airbus A220. The plane looked very new and it also got up to speed fast down the runway and didn't need much runway to get airborne.

Short flight so no food or entertainment. Good landing at SFO and on time. We were told no carryon luggage yet lots of people were puting bags in overhead compartments. The rules need to be made more clear. I was on the first leg of an international flight and this is the first time I could not have carryon luggage.

My flight was overbooked and they would not let me board. I had to book another flight and pay the full amount of that flight. I did not get any help at all from Air Canada or United Airlines.

Comfortable seats and movies entertainment available. Better experience than the flight from Toronto to Denver.

Overall good experience. The flight from Toronto to Denver does not have entertainment - movies to watch.

There is not enough space between two chairs and raws.

Everything was made rather simple, so I appreciate that. All the people I dealt with from entering the airport in Jacksonville to my lonnnnnnng walk to my next gate in Chicago were excellent and very helpful.

Crammed in like cattle waited 30 mins for late connecting flight (flight didn’t wait for me for me when I missed my connection at 2 different airports on outward journey)

Terrible. 3 missed flights and 24 hours delayed with lost bag and promised $100 compensation from United and absolutely nothing from them…

Everything you need to know for your flight to St. Charles

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