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Northern Ireland

$424+ Cheap flights from Missouri to Northern 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BFS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Missouri to Northern Ireland

Keep the following information in mind while searching for Missouri to Northern Ireland flight deals. Data was last updated September 17, 2025.

Round-trip from

$583
(Trip.com)

One-way from

$424
(American Airlines)
From Missouri to Northern Ireland
Search Deals
One-way flight from Missouri to Northern Ireland
Search Deals

Find flight deals from Missouri to Northern Ireland

Cheapest flights from Missouri to Northern Ireland
Explore the most affordable flight options available from Missouri to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Trip.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/291:26 pmSTL - BFS
2 stops27h 44mMultiple Airlines
Tue 10/76:45 amBFS - STL
2 stops21h 19mMultiple Airlines
Deal found 9/15$583
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:59 pmSTL - BHD
2 stops15h 31mAmerican Airlines
Tue 10/79:35 amBHD - STL
2 stops17h 54mAmerican Airlines
Deal found 9/15$706
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/32:30 pmMCI - BHD
2 stops20h 25mDelta
Tue 10/76:30 amBHD - MCI
2 stops16h 23mDelta
Deal found 9/16$812
This American Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:25 pmSTL - BHD
2 stops19h 20mAmerican Airlines
Sat 11/811:35 amBHD - STL
2 stops16h 54mAmerican Airlines
Deal found 9/17$1,347
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/291:30 pmSTL - BHD
3 stops20h 55mMultiple Airlines
Tue 10/75:55 pmBHD - STL
3 stops31h 43mMultiple Airlines
Deal found 9/15$2,032
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:05 pmSTL - BFS
3 stops25h 35mMultiple Airlines
Sat 11/88:40 amBFS - STL
3 stops35h 15mMultiple Airlines
Deal found 9/17$2,789

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Northern Ireland 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 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Missouri to Northern Ireland that are best for you.

Fly from

Missouri

Fly to

Northern Ireland

Route

Depart

Return

Price

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Mon 9/29

1:26 pm-11:10 pm

2 stops27h 44m

Belfast Intl

Tue 10/7

6:45 am-10:04 pm

2 stops21h 19m

$583

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 9/29

7:59 pm-5:30 pm

2 stops15h 31m

Belfast City

Tue 10/7

9:35 am-9:29 pm

2 stops17h 54m

$706

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Sun 2/15

6:37 pm-6:40 pm

2 stops18h 03m

Belfast City

Sun 2/22

6:30 am-5:44 pm

2 stops17h 14m

$735

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Sun 2/15

6:14 pm-4:50 pm

2 stops16h 36m

Belfast City

Mon 2/23

11:30 am-10:14 pm

2 stops16h 44m

$747

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 2/16

12:30 pm-4:50 pm

2 stops22h 20m

Belfast City

Wed 2/25

6:30 am-7:45 pm

2 stops19h 15m

$771

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 2/16

4:15 pm-4:50 pm

2 stops18h 35m

Belfast City

Mon 2/23

5:20 pm-4:29 pm

2 stops29h 09m

$771

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Tue 2/17

5:00 pm-4:50 pm

2 stops17h 50m

Belfast City

Mon 2/23

5:20 pm-4:29 pm

2 stops29h 09m

$771

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 2/16

2:55 pm-4:50 pm

2 stops19h 55m

Belfast City

Tue 2/24

6:30 am-12:01 am

2 stops23h 31m

$771

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Sun 2/15

6:14 pm-6:40 pm

2 stops18h 26m

Belfast City

Sat 2/21

11:35 am-10:14 pm

2 stops16h 39m

$777

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 2/16

12:32 pm-10:40 am

2 stops16h 08m

Belfast City

Sun 2/22

12:10 pm-10:14 pm

2 stops16h 04m

$787

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 33 results
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Best time to book a flight from Missouri to Northern Ireland

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

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

Find hourly flight availability from Missouri to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

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

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern 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 Northern Ireland. Reviews last updated September 17, 2025.
Get a feel of what it's like to fly with American Airlines from Missouri to Northern Ireland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Entertainment

6.9

Food

6.4

Comfort

7.2

Overall

7.2

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Entertainment

6.9

Food

6.4

Comfort

7.2

Overall

7.2

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Missouri to Northern Ireland. 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 Missouri to Northern Ireland?

    American Airlines, British Airways, and Delta can get you from Missouri to Northern Ireland in just under 15h 31m. Your travel time can differ by up to 6h 49m. The distance from Missouri to Northern Ireland is about 3893 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Missouri to Northern Ireland (average of $657). Flying from Missouri to Northern Ireland in June is currently the most expensive (average of $1,189). 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

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Alternative routes for Missouri to Northern Ireland

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

Discover the top airline that operate flights from Missouri to Northern Ireland. 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 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$674Average$832FlexibilityNo cancel feeOn-time71%

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