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Cheap flights from Missouri to Northern Ireland from £325

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BFS
7 Sep — 14 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Missouri to Northern Ireland

Enter your travel dates to find the best prices.

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 8 August 2026.

Tue 29/1212:19 -
2 stops17h 11m
Tue 5/108:45 -
2 stops18h 58m
Deal found 7/8£799
Sun 15/1107:24 -
2 stops20h 56m
Tue 17/1111:25 -
2 stops18h 34m
Deal found 7/8£848
Mon 21/915:30 -
2 stops23h 10m
Mon 28/908:00 -
2 stops35h 25m
Deal found 6/8£880
Sat 12/914:40 -
2 stops12h 55m
Sun 13/922:10 -
3 stops28h 10m
Deal found 3/8£1,024
Sat 12/914:40 -
2 stops13h 05m
Sun 13/918:20 -
3 stops32h 00m
Deal found 3/8£1,078
Fri 18/1206:00 -
2 stops22h 30m
Sun 3/106:30 -
2 stops21h 13m
Deal found 4/8£1,139
Fri 18/1213:49 -
2 stops19h 11m
Sun 3/107:00 -
3 stops21h 56m
Deal found 4/8£1,898

Find 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 8 August 2026.

Round-trip from

£799

One-way from

£325
British Airways
  • British Airways
  • 29/12-5/1
  • 4 total stops
  • 36h 09m total
  • Missouri to Northern Ireland
Search Deals
British Airways
  • British Airways
  • 9/9
  • 2 total stops
  • 21h 45m total
  • Missouri to Northern Ireland
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 8 August 2026.
Use the filters below to find and compare flights from Missouri to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

Kansas CityBelfast

MCI Kansas City - BHD Belfast City

MCIBHD

Kansas City

Tue 29/12

12:19-11:30

2 stops17h 11m

Belfast City

Tue 5/1

08:45-21:43

2 stops18h 58m

£799

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Sun 6/12

11:31-10:20

2 stops16h 49m

Belfast City

Tue 8/12

19:25-16:43

2 stops27h 18m

£848

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Sun 15/11

07:24-10:20

2 stops20h 56m

Belfast City

Tue 17/11

11:25-23:59

2 stops18h 34m

£848

St. LouisBelfast

STL Lambert-St Louis - BFS Belfast Intl

STLBFS

Lambert-St Louis

Mon 21/9

12:10-19:05

2 stops24h 55m

Belfast Intl

Mon 28/9

22:20-20:20

3 stops28h 00m

£976

St. LouisBelfast

STL Lambert-St Louis - BFS Belfast Intl

STLBFS

Lambert-St Louis

Sat 12/9

14:40-09:35

2 stops12h 55m

Belfast Intl

Sun 13/9

22:10-20:20

3 stops28h 10m

£1,024

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Sat 12/9

14:40-09:45

2 stops13h 05m

Belfast City

Sun 13/9

18:20-20:20

3 stops32h 00m

£1,078

Kansas CityBelfast

MCI Kansas City - BHD Belfast City

MCIBHD

Kansas City

Fri 18/12

06:00-10:30

2 stops22h 30m

Belfast City

Sun 3/1

06:30-21:43

2 stops21h 13m

£1,139

Kansas CityBelfast

MCI Kansas City - BHD Belfast City

MCIBHD

Kansas City

Fri 18/12

13:49-15:00

2 stops19h 11m

Belfast City

Sun 3/1

07:00-22:56

3 stops21h 56m

£1,898
Cheapest one-way

Kansas CityBelfast

MCI Kansas City - BHD Belfast City

MCIBHD

Kansas City

Wed 9/9

08:15-12:00

2 stops21h 45m

£325

Kansas CityBelfast

MCI Kansas City - BHD Belfast City

MCIBHD

Kansas City

Sat 12/9

20:32-21:05

3 stops42h 33m

£331

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 23 resultsSorted by cheapest first
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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 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 Missouri to Northern Ireland

No data available for this route at this time. Please check back soon.

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?

    A quick flight from Missouri to Northern Ireland can take about 17h 11m. British Airways provides one of the quickest options available for as low as £799. Missouri and Northern Ireland are separated by a distance of 4026 mi.

  • 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 holiday 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.

See more FAQs

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Alternative routes for Missouri to Northern Ireland

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How does Cheapflights help users find flights from Missouri to Northern Ireland?

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Yes, we can. To see specific flights from Missouri to Northern Ireland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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