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Cheap flights from Ireland to Missouri from £408

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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — STL
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Missouri

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Missouri
Explore the most affordable flight options available from Ireland to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 December 2025.

Sun 14/1211:30DUB - MCI
1 stop15h 55mMultiple Airlines
Mon 29/1212:16MCI - DUB
2 stops14h 24mMultiple Airlines
Deal found 3/12£552
Sat 6/1211:30DUB - MCI
1 stop15h 55mMultiple Airlines
Thu 11/1212:46MCI - DUB
2 stops13h 54mMultiple Airlines
Deal found 3/12£607
Thu 4/1211:30DUB - MCI
2 stops15h 59mMultiple Airlines
Sun 7/1212:46MCI - DUB
2 stops13h 54mMultiple Airlines
Deal found 3/12£628
Tue 23/1211:30DUB - MCI
2 stops18h 23mMultiple Airlines
Sun 4/109:44MCI - DUB
1 stop15h 26mMultiple Airlines
Deal found 2/12£681
Sun 21/1212:55DUB - MCI
1 stop15h 59mMultiple Airlines
Sun 4/109:44MCI - DUB
1 stop15h 26mMultiple Airlines
Deal found 2/12£801

Find flight deals from Ireland to Missouri

Keep the following information in mind while searching for Ireland to Missouri flight deals. Data was last updated 4 December 2025.

Round-trip from

£517

One-way from

£408

Popular in

July

Cheapest in

August

Average price

£786
British Airways
  • British Airways
  • 11/1-18/1
  • 4 total stops
  • 34h 34m total
  • Ireland to Missouri
Search Deals
24/3
  • 24/3
  • 1 total stop
  • 15h 50m total
  • Ireland to Missouri
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 December 2025.
Use the filters below to find and compare flights from Ireland to Missouri that are best for you.

Fly from

Ireland

Fly to

Missouri

Route

Depart

Return

Price

DublinKansas City

DUB - MCI

DUBMCI

Dublin

Sun 11/1

10:00-22:39

2 stops18h 39m

Kansas City

Sun 18/1

11:55-09:50

2 stops15h 55m

£517

DublinKansas City

DUB - MCI

DUBMCI

Dublin

Sun 14/12

11:30-21:25

1 stop15h 55m

Kansas City

Mon 29/12

12:16-08:40

2 stops14h 24m

£552

DublinKansas City

DUB - MCI

DUBMCI

Dublin

Wed 4/3

11:30-22:22

2 stops16h 52m

Kansas City

Wed 11/3

12:17-08:40

2 stops15h 23m

£552

DublinKansas City

DUB - MCI

DUBMCI

Dublin

Sun 11/1

10:45-22:39

2 stops17h 54m

Kansas City

Sun 18/1

16:52-08:40

1 stop9h 48m

£555

DublinKansas City

DUB - MCI

DUBMCI

Dublin

Fri 13/3

11:30-23:59

2 stops17h 29m

Kansas City

Sun 22/3

12:17-08:40

2 stops15h 23m

£573

DublinKansas City

DUB - MCI

DUBMCI

Dublin

Tue 24/3

11:30-22:20

1 stop15h 50m

£408

Flights are sorted by cheapest return flights first.

Deals found on 1/12

Best time to book a flight from Ireland to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Ireland 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 Ireland to Missouri

What is the cheapest month to book a flight from Ireland to Missouri?

Currently, September is the cheapest month in which you can book a flight from Ireland to Missouri (average of £473). Flying from Ireland to Missouri in October is currently the most expensive (average of £655). 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 IE to MO?

Find hourly flight availability from Ireland to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 December 2025.

One of the essential ways to save on airfare from Ireland to Missouri is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at midday could potentially save you up to 32% on airfare.

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated 4 December 2025.
Read through reviews of airlines operating flights from Ireland to Missouri, such as United Airlines, Aer Lingus, andIberia. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,064 reviews
Check prices

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,064 reviews
United Airlines
7.4
Good
9,064 reviews
Check prices

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Aer Lingus
7.2
Good
1,384 reviews
United Airlines
7.4
Good
9,064 reviews
Check prices

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Iberia
7.0
Good
3,039 reviews
United Airlines
7.4
Good
9,064 reviews
Check prices

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,612 reviews
United Airlines
7.4
Good
9,064 reviews
Check prices

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

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

  • How long is the flight from Ireland to Missouri?

    Airlines like British Airways and American Airlines fly from Ireland to Missouri in about 17h 54m. The time it takes to get you to your destination can typically vary by up to 45m. The distance between Ireland and Missouri is about 4046 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

  • How can I find direct flights from Ireland to Missouri?

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

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

    Yes. Cheapflights offers flight deals from Ireland to Missouri 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 Ireland to Missouri?

    Currently, September is the cheapest month in which you can book a flight from Ireland to Missouri (average of £473). Flying from Ireland to Missouri in October is currently the most expensive (average of £655). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ireland to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ireland to Missouri

Discover the top 4 airlines that operate flights from Ireland to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£469Average£638FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£634Average£719FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£644Average£680FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest£678Average£751FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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 Ireland to Missouri?

When you search for this flight from Ireland to Missouri, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ireland to Missouri for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ireland to Missouri flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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