€347 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 5/3. 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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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

Recommended return deals departing in the coming months from the most popular airlines that fly to St. Charles.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
12:40 - 19:30DUB-STL
12h 50m1 stop
14:03 - 06:30STL-DUB
10h 27m1 stop
€767
Find Deal
Thu, 3 Apr - Thu, 10 Apr
10:30 - 20:58DUB-STL
16h 28m2 stops
15:29 - 11:55STL-DUB
14h 26m2 stops
€775British Airways
Find Deal
Tue, 22 Apr - Tue, 29 Apr
11:45 - 22:44DUB-STL
16h 59m2 stops
11:21 - 09:45STL-DUB
16h 24m1 stop
€788
Find Deal
Thu, 3 Apr - Thu, 10 Apr
12:40 - 19:30DUB-STL
12h 50m1 stop
09:41 - 09:45STL-DUB
18h 04m1 stop
€789
Find Deal
Thu, 3 Apr - Thu, 10 Apr
11:45 - 19:23DUB-STL
13h 38m1 stop
06:15 - 06:30STL-DUB
18h 15m1 stop
€797American Airlines
Find Deal
Tue, 22 Apr - Tue, 29 Apr
09:30 - 19:12DUB-STL
15h 42m2 stops
09:41 - 09:45STL-DUB
18h 04m1 stop
€801American Airlines
Find Deal
Thu, 3 Apr - Thu, 10 Apr
09:50 - 19:23DUB-STL
39h 33m2 stops
06:30 - 07:45STL-DUB
19h 15m2 stops
€843United Airlines
Find Deal
Wed, 14 May - Sun, 1 Jun
09:50 - 12:20DUB-STL
32h 30m2 stops
09:39 - 07:10STL-DUB
15h 31m2 stops
€854United Airlines
Find Deal
Thu, 3 Apr - Thu, 10 Apr
11:35 - 18:56DUB-STL
13h 21m1 stop
07:23 - 05:10STL-DUB
15h 47m1 stop
€2,098Aer Lingus
Find Deal
Thu, 26 Jun - Mon, 4 Aug
12:00 - 08:32DUB-STL
26h 32m1 stop
17:45 - 15:00STL-DUB
15h 15m2 stops
€2,761Delta
Find Deal
Thu, 26 Jun - Mon, 4 Aug

Good to know

Low season

August

High season

July

Cheapest flight

€347
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly (14% 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.

See more FAQs

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.
  • High season is considered to be June, July and August. The cheapest month to fly from Ireland is February.
  • 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
8.0Crew
7.3Comfort
7.0Entertainment
7.5Boarding
6.5Food
Airline reviews

late again! but its my only option to not take 9 hours to get to Memphis

6.0 GoodAnonymous, Feb 2025PHL - MEM
Read more American Airlines reviews

late again! but its my only option to not take 9 hours to get to Memphis

Per usual, flight status, staff courtesy and professionalism were excellent

The boarding experience was good; $20 for wifi per flight is uncompetitive compared to Delta, Southwest, and others, and puts American lower on my list given similar pricing.

Great experience. Flight boarded easily. Departed early. Smooth flight. Great arrival in DC--almost no taxing! Almost direct to gate from runway. Crew was terrific. Same cookies and beverages in main cabin. I did not use the entertainment system on this flight.

Delays on all NY flights. There was no communication on why but they didn’t say it was weather. Other carriers were not delayed.

The flights were terribly delayed and then cancelled which forced us booking another night at the hotel. Very poor management from American Airlines

Extraordinary service in business class, and very good breakfast and snacks. A really lovely flight.

I flew out of Reagan National. My flight was delayed, delayed, delayed, and then canceled ...THREE TIMES over TWO DAYS. Staff were seemingly not empowered to provide information on why the flights were screwed up. A real nightmare.

They cancelled our flight without warning OR a refund. Never doing business with American Airlines again! This is the second AA booked trip in a row that we've had challenges with.

Crew was late. Baggage was late. 2hs inside the plane waiting fro de-icing and traffic. A 3:30hs flight ended up being almost 6hs inside the airplane.

My flight was cancelled and I was left to figure out where to find a hotel, something to eat and how to get a new flight at 11:30pm. Wasted a day. Thanks, Air Canada!

flight was delayed 6 hours for weather, then cancelled because of the crash in toronto, but none of the links to cancel or rebook my flights are working

They kept changing the gate (6 times in 30 minutes) and then left us on the plane for 4 hours before departure. Likely was the storm, which is understandable, but the lack of communication and the e constant running between gates at opposite ends of the airport really threw me and my friend for a loop.

Legitimately everything about this flight was awful, was also so delayed I never want to use air Canada again

Terrible all around. Flight was late and airplane was very uncomfortable. The crew were unhelpful and hid in the back. Did zero work. No entertainment.

Because I am quite tall a bit more leg room would have been more comfortable. Out of three seats I had the middle one, unfortunately.

I like the free beer and wine but not the delays to the departure time.

Never again flying economy on Rouge!!! Literally like sardines!!! Will try to change to better seats 3 seat arrangement only so so if traveling with family. Who wants to squished to stranger!!😖 Can’t say enough bad about this!!!

I booked and paid extra for exit door seats also pre paid for my luggage air Canada changed plains and I never got what I paid for and they made me pay for luggage again they also did this to my wife. They are the most unorganized company I have ever dealt with. I am sure I will never see the extra money I paid for the seats or the recharge for the luggage. They are subsidized by the taxpayers and don’t give a dam just a horrible way to do business

Overall the experience was excellent. Plane was clean but more importantly quiet. Recently, I’ve noticed that Airbus planes seem quieter than their Boeing counterparts. I definitely prefer flying in an Airbus plane.

Book Cheap St. Charles Plane Tickets

Recent return flight deals

3/4Thu
1 stop
12h 50mDUB-STL
10/4Thu
1 stop
10h 27mSTL-DUB
€767
22/4Tue
2 stopsBritish Airways
16h 28mDUB-STL
29/4Tue
2 stopsBritish Airways
14h 26mSTL-DUB
€775
3/4Thu
2 stops
16h 59mDUB-STL
10/4Thu
1 stop
16h 24mSTL-DUB
€788
3/4Thu
1 stop
12h 50mDUB-STL
10/4Thu
1 stop
18h 04mSTL-DUB
€789
22/4Tue
1 stopAmerican Airlines
13h 38mDUB-STL
29/4Tue
1 stopAmerican Airlines
18h 15mSTL-DUB
€797
3/4Thu
2 stopsAmerican Airlines
15h 42mDUB-STL
10/4Thu
1 stopAmerican Airlines
18h 04mSTL-DUB
€801
14/5Wed
2 stopsUnited Airlines
39h 33mDUB-STL
1/6Sun
2 stopsUnited Airlines
19h 15mSTL-DUB
€843
3/4Thu
2 stopsUnited Airlines
32h 30mDUB-STL
10/4Thu
2 stopsUnited Airlines
15h 31mSTL-DUB
€854
26/6Thu
1 stopAer Lingus
13h 21mDUB-STL
4/8Mon
1 stopAer Lingus
15h 47mSTL-DUB
€2,098
26/6Thu
1 stopDelta
26h 32mDUB-STL
4/8Mon
2 stopsDelta
15h 15mSTL-DUB
€2,761

Search by stops

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Recent one-way flight deals

5/3Wed
2 stops
51h 30mDUB-STL
€347
6/3Thu
2 stops
33h 20mDUB-STL
€349
5/3Wed
3 stops
43h 55mDUB-STL
€411
6/3Thu
3 stops
56h 09mDUB-STL
€420
14/4Mon
2 stopsWestJet
16h 06mDUB-STL
€476
17/5Sat
2 stopsWestJet
28h 01mDUB-STL
€507
6/3Thu
1 stopAer Lingus
13h 51mDUB-STL
€568
17/5Sat
1 stopAer Lingus
13h 00mDUB-STL
€698
1/6Sun
1 stopDelta
17h 33mDUB-STL
€799
14/4Mon
3 stopsUnited Airlines
33h 17mDUB-STL
€1,259

Search by stops

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Search by price

Last minute flights to St. Charles

Last minute flight, train and bus deals

24/2Mon
multi-stopUnited Airlines
13h 52mDUB-STL
2/3Sun
multi-stopUnited Airlines
12h 34mSTL-DUB
€884
24/2Mon
multi-stopDelta
14h 01mDUB-STL
3/3Mon
multi-stopDelta
11h 05mSTL-DUB
€973
25/2Tue
multi-stopAmerican Airlines
12h 37mDUB-STL
3/3Mon
multi-stopAmerican Airlines
12h 30mSTL-DUB
€1,156

Search by stops

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Search by price

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

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