What are the cheapest airlines to fly from Missouri to Ireland one-way?

The cheapest airlines for a one-way flight from Missouri to Ireland are American Airlines ($393), United Airlines ($413), and Air France ($430).

How far in advance should I book a flight from Missouri to Ireland?

Travelers have found it’s best to book a flight 26 days in advance to save up to 138% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 26 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Missouri to Ireland 1-2 weeks in advance for as low as $912, or $1,380 for flights within the next 24 hours.

What is the cheapest month to fly from Missouri to Ireland?

November is one of the best times of the year to fly to Ireland from Missouri. Prices for November average $865 per person but you can even find prices for as low as $486. The most expensive prices can be found in the month of June. Opting for a November flight can save you 56% on your journey compared to booking in June

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

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

How can I find direct flights from Missouri to Ireland?

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

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

Yes. Cheapflights offers flight deals from Missouri to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$717+ Flights from Missouri to Ireland

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Cheap flight deals from Missouri to Ireland

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$532 (American Airlines)
One-way from	$298 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$1,091

Provider with most accurate pricing for Kansas City-Dublin flight deals.

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Provider most trusted by Cheapflights users for Kansas City-Dublin flights.

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From Missouri to Ireland

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One-way flight from Missouri to Ireland

Search Deals

Highest demand for flights based on searches. 27% potential increase in price ($331 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

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Find flight deals from Missouri to Ireland

Cheapest flights from Missouri to Ireland
Explore the most affordable flight options available from Missouri to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Wed 10/221:54 pmSTL - DUB

1 stop13h 51mIberia

Wed 11/52:05 pmDUB - STL

1 stop14h 24mIberia

Deal found 4/30

$472

Wed 10/2212:50 pmSTL - DUB

1 stop10h 40mAmerican Airlines

Wed 11/511:30 amDUB - STL

2 stops15h 42mAmerican Airlines

Deal found 4/30

$496

Wed 10/224:52 pmSTL - DUB

2 stops15h 43mBritish Airways

Wed 11/510:25 amDUB - STL

2 stops17h 16mBritish Airways

Deal found 4/30

$506

Sun 11/912:09 pmMCI - DUB

1 stop13h 06mIberia

Fri 11/212:05 pmDUB - MCI

1 stop14h 19mIberia

Deal found 4/29

$510

Tue 8/261:33 pmMCI - SNN

2 stops15h 47mAmerican Airlines

Thu 9/47:40 amSNN - MCI

2 stops19h 08mAmerican Airlines

Deal found 4/29

$532

Sun 11/92:20 pmMCI - DUB

1 stop12h 20mMultiple Airlines

Fri 11/2111:30 amDUB - MCI

2 stops16h 26mMultiple Airlines

Deal found 4/29

$536

Sat 8/1611:35 amMCI - DUB

2 stops38h 10mUnited Airlines

Tue 8/269:20 amDUB - MCI

2 stops33h 50mUnited Airlines

Deal found 4/28

$542

Tue 8/199:10 amSGF - DUB

2 stops16h 10mUnited Airlines

Tue 8/269:20 amDUB - SGF

2 stops35h 16mUnited Airlines

Deal found 4/29

$546

Fri 11/79:49 amMCI - DUB

1 stop15h 26mAmerican Airlines

Tue 11/1811:30 amDUB - MCI

2 stops16h 26mAmerican Airlines

Deal found 4/30

$546

Wed 10/2910:00 amSGF - DUB

1 stop16h 15mAmerican Airlines

Wed 11/510:00 amDUB - SGF

2 stops16h 32mAmerican Airlines

Deal found 4/29

$556

Wed 10/296:00 amSGF - DUB

1 stop20h 45mKLM

Wed 11/59:45 amDUB - SGF

1 stop18h 47mKLM

Deal found 4/29

$572

Sun 8/1011:31 amMCI - SNN

1 stop13h 59mUnited Airlines

Wed 8/209:30 amSNN - MCI

1 stop12h 26mUnited Airlines

Deal found 4/29

$575

Best flights from Missouri to Ireland
Discover carefully curated flight deals from Missouri to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Tue 8/261:33 pmMCI - SNN

2 stops15h 47mAmerican Airlines

Thu 9/47:40 amSNN - MCI

2 stops19h 08mAmerican Airlines

Deal found 4/29

$532

Tue 8/266:00 amMCI - SNN

2 stops23h 10mDelta

Thu 9/41:05 pmSNN - MCI

2 stops28h 18mDelta

Deal found 4/30

$570

Tue 7/294:00 pmSTL - DUB

1 stop10h 15mAir Canada

Tue 8/59:20 amDUB - STL

2 stops33h 07mAir Canada

Deal found 4/30

$609

Tue 8/269:59 amMCI - SNN

1 stop19h 11mMultiple Airlines

Thu 9/41:05 pmSNN - MCI

2 stops16h 48mMultiple Airlines

Deal found 4/29

$615

Tue 7/295:20 pmSTL - DUB

1 stop11h 50mUnited Airlines

Thu 8/79:20 amDUB - STL

1 stop16h 40mUnited Airlines

Deal found 4/30

$619

Wed 7/167:20 pmMCI - DUB

1 stop10h 20mIberia

Wed 7/2312:40 pmDUB - MCI

1 stop16h 32mIberia

Deal found 4/30

$668

Tue 5/133:40 pmSTL - DUB

1 stop11h 05mKLM

Tue 5/2012:00 pmDUB - STL

1 stop17h 26mKLM

Deal found 4/29

$686

Wed 7/1612:39 pmMCI - SNN

2 stops16h 41mBritish Airways

Fri 7/257:40 amSNN - MCI

2 stops19h 01mBritish Airways

Deal found 4/30

$822

Wed 5/76:00 amSTL - DUB

1 stop17h 10mAer Lingus

Sat 5/1711:35 amDUB - STL

1 stop12h 53mAer Lingus

Deal found 4/30

$833

Wed 5/71:15 pmMCI - DUB

2 stops40h 35mScandinavian Airlines

Tue 5/1312:40 pmDUB - MCI

2 stops41h 19mScandinavian Airlines

Deal found 4/29

$966

Wed 7/161:55 pmMCI - SNN

1 stop14h 20mLufthansa

Fri 7/2512:30 pmSNN - MCI

1 stop15h 40mLufthansa

Deal found 4/30

$1,027

Wed 7/234:59 pmMCI - DUB

1 stop12h 41mAmerican Airlines

Wed 7/309:30 amDUB - MCI

1 stop18h 08mAmerican Airlines

Deal found 4/30

$596

Last-minute flights from Missouri to Ireland
Discover last-minute flight deals from Missouri to Ireland. Data last updated May 1, 2025 and is based on user searches.

Mon 5/54:06 pmMCI - DUB

2 stops16h 34mMultiple Airlines

Thu 5/158:20 amDUB - MCI

3 stops44h 21mMultiple Airlines

Deal found 4/28

$996

Mon 5/56:30 amSTL - DUB

1 stop21h 15mUnited Airlines

Sun 5/189:20 amDUB - STL

2 stops37h 47mUnited Airlines

Deal found 4/29

$999

Mon 5/58:00 amMCI - DUB

1 stop17h 10mUnited Airlines

Thu 5/159:50 amDUB - MCI

2 stops17h 57mUnited Airlines

Deal found 4/28

$1,054

Tue 5/65:46 pmMCI - DUB

1 stop10h 54mAer Lingus

Sun 5/184:40 pmDUB - MCI

1 stop13h 14mAer Lingus

Deal found 4/30

$849

Wed 5/76:00 amSTL - DUB

1 stop17h 10mAer Lingus

Sat 5/1711:35 amDUB - STL

1 stop12h 53mAer Lingus

Deal found 4/30

$833

Wed 5/75:12 amSTL - DUB

1 stop18h 18mAmerican Airlines

Sat 5/179:30 amDUB - STL

2 stops15h 53mAmerican Airlines

Deal found 4/30

$946

Wed 5/71:15 pmMCI - DUB

2 stops40h 35mScandinavian Airlines

Tue 5/1312:40 pmDUB - MCI

2 stops41h 19mScandinavian Airlines

Deal found 4/29

$966

Wed 5/712:12 pmMCI - DUB

2 stops12h 18mAmerican Airlines

Wed 5/1411:45 amDUB - MCI

2 stops14h 52mAmerican Airlines

Deal found 4/29

$973

Wed 5/76:30 amSTL - DUB

2 stops19h 45mAir Canada

Sat 5/179:50 amDUB - STL

2 stops40h 08mAir Canada

Deal found 4/30

$974

Wed 5/76:00 amMCI - DUB

2 stops20h 15mAir Canada

Sun 5/119:50 amDUB - MCI

2 stops40h 04mAir Canada

Deal found 4/29

$1,038

Wed 5/71:38 pmSTL - DUB

2 stops16h 17mMultiple Airlines

Sat 5/172:15 pmDUB - STL

3 stops35h 43mMultiple Airlines

Deal found 4/30

$1,197

Sat 5/108:00 amMCI - DUB

2 stops18h 10mLufthansa

Fri 5/165:45 pmDUB - MCI

2 stops34h 02mLufthansa

Deal found 4/30

$1,103

One-way flights from Missouri to Ireland
Search for one-way flight options from Missouri to Ireland. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Sun 7/206:43 pmMCI - DUB

2 stops46h 17mMultiple Airlines

Deal found 4/30

$298

Wed 7/235:40 pmSTL - SNN

2 stops45h 10mMultiple Airlines

Deal found 4/30

$313

Wed 7/308:01 pmSTL - DUB

1 stop9h 39mAmerican Airlines

Deal found 4/30

$393

Wed 7/2311:25 amSTL - SNN

1 stop14h 05mUnited Airlines

Deal found 4/30

$413

Sun 7/2012:04 pmMCI - DUB

1 stop14h 41mAir France

Deal found 4/30

$430

Wed 7/301:29 pmSTL - DUB

2 stops14h 31mDelta

Deal found 4/30

$433

Tue 5/137:30 pmSTL - SNN

2 stops14h 40mAmerican Airlines

Deal found 5/1

$491

Wed 7/27:46 amSTL - DUB

1 stop15h 24mAer Lingus

Deal found 4/30

$496

Sat 5/105:46 pmMCI - DUB

1 stop29h 24mAer Lingus

Deal found 4/29

$518

Mon 5/2612:12 pmMCI - DUB

2 stops12h 18mAmerican Airlines

Deal found 4/29

$583

Wed 7/1610:00 amMCI - DUB

3 stops15h 45mAir Canada

Deal found 4/29

$615

Mon 6/910:48 amSTL - SNN

2 stops18h 22mKLM

Deal found 4/30

$618

Cheapflights Fare Finder

Use the filters below to find and compare flights from Missouri to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Wed 7/23

4:59 pm-11:40 am

1 stop12h 41m

Dublin

Wed 7/30

9:30 am-9:38 pm

1 stop18h 08m

$596

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 7/29

4:00 pm-8:15 am

1 stop10h 15m

Dublin

Tue 8/5

9:20 am-12:27 pm

2 stops33h 07m

$609

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 7/29

5:20 pm-11:10 am

1 stop11h 50m

Dublin

Thu 8/7

9:20 am-8:00 pm

1 stop16h 40m

$619

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Wed 7/23

8:00 am-7:45 am

2 stops17h 45m

Dublin

Wed 7/30

9:50 am-9:13 am

2 stops29h 23m

$636

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Wed 7/23

10:00 am-7:45 am

3 stops15h 45m

Dublin

Wed 7/30

9:50 am-9:31 pm

2 stops17h 41m

$643

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 7/23

9:26 am-9:45 am

1 stop18h 19m

Dublin

Sun 8/3

9:30 am-5:07 pm

1 stop13h 37m

$656

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Tue 5/27

2:20 pm-11:20 am

2 stops15h 00m

Shannon

Wed 6/18

7:40 am-8:19 pm

2 stops18h 39m

$667

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Wed 7/16

7:20 pm-11:40 am

1 stop10h 20m

Dublin

Wed 7/23

12:40 pm-11:12 pm

1 stop16h 32m

$668

St. LouisCork

STL - ORK

STLORK

Lambert-St Louis

Tue 7/29

4:45 pm-3:15 pm

2 stops16h 30m

Cork

Mon 8/11

7:20 am-7:30 pm

2 stops18h 10m

$668

Kansas CityDublin

MCI - DUB

MCIDUB

Kansas City

Tue 5/13

8:00 am-10:20 am

1 stop20h 20m

Dublin

Wed 5/21

9:50 am-10:20 pm

2 stops18h 30m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 50 results

...

Best time to book a flight from Missouri to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Missouri with our price prediction graph.

Estimated round-trip 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 Missouri to Ireland

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

Currently, November is the cheapest month in which you can book a flight from Missouri to Ireland (average of $509). Flying from Missouri to Ireland in June is currently the most expensive (average of $981). 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 MO to IE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Ireland as you normally would.

Rainfall in Ireland by month

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

If weather is an important factor for your trip to Ireland, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Ireland

Read reviews from past customers who have flown Delta, KLM and Austrian Airlines from Missouri to Ireland. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,934 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

781 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,446 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Missouri to Ireland one-way?
The cheapest airlines for a one-way flight from Missouri to Ireland are American Airlines ($393), United Airlines ($413), and Air France ($430).
Can I find deals for flights from Missouri to Ireland that include hotel bookings?
Yes. In addition to deals on Missouri to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Missouri to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Ireland.
Can I find deals for business class flights from Missouri to Ireland?
Yes. Cheapflights offers flight deals from Missouri to Ireland 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 Missouri to Ireland?
Currently, November is the cheapest month in which you can book a flight from Missouri to Ireland (average of $509). Flying from Missouri to Ireland in June is currently the most expensive (average of $981). 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

Alternative routes for Missouri to Ireland

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Missouri to Ireland flights

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Top 10 airlines flying from Missouri to Ireland

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$451	Average$748	FlexibilityNo cancel fee	On-time70%
Air Canada	Cheapest$477	Average$861	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$488	Average$907	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$491	Average$641	FlexibilityNo cancel fee	On-time75%
Iberia	Cheapest$491	Average$918	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$492	Average$945	FlexibilityNo cancel fee	On-time69%
Air France	Cheapest$515	Average$986	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$518	Average$948	FlexibilityNo cancel fee	On-time71%
Lufthansa	Cheapest$560	Average$844	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$597	Average$781	FlexibilityNo cancel fee	On-time77%

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$298+ Cheap flights from Missouri to Ireland

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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Missouri to Ireland with Cheapflights

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Cheap flight deals from Missouri to Ireland

Keep the following information in mind while searching for Missouri to Ireland flight deals. Data was last updated May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Missouri to Ireland

Cheapest flights from Missouri to IrelandExplore the most affordable flight options available from Missouri to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Missouri to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Missouri to Ireland that are best for you.

Best time to book a flight from Missouri to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Missouri with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Ireland

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

What is the cheapest time of day to fly from MO to IE?

Find hourly flight availability from Missouri to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Rainfall in Ireland by month

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

Temperature in Ireland by month

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

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated May 1, 2025.

Read reviews from past customers who have flown Delta, KLM and Austrian Airlines from Missouri to Ireland. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines to fly from Missouri to Ireland one-way?

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

How can I find direct flights from Missouri to Ireland?

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

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

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.

Alternative routes for Missouri to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Missouri to Ireland

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Cheapest flights from Missouri to Ireland
Explore the most affordable flight options available from Missouri to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.