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Cheap flights from Missouri to Belfast from £591

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BHD
25 Jan — 1 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Missouri to Belfast

Enter your travel dates to find the best prices.

Best flights from Missouri to Belfast
Discover carefully curated flight deals from Missouri to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 December 2025.

Mon 12/118:55STL - BHD
2 stops15h 55mKLM
Tue 20/117:20BHD - STL
2 stops34h 18mKLM
Deal found 25/12£591
Wed 4/212:11STL - BHD
2 stops16h 04mBritish Airways
Sun 8/206:30BHD - STL
2 stops19h 43mBritish Airways
Deal found 23/12£621
Wed 25/214:02MCI - BHD
2 stops18h 13mFinnair
Sun 1/312:10BHD - MCI
2 stops36h 37mFinnair
Deal found 25/12£881
Sat 7/216:05STL - BFS
2 stops20h 25mMultiple Airlines
Sat 14/212:45BFS - STL
3 stops32h 44mMultiple Airlines
Deal found 24/12£983
Wed 25/218:43STL - BHD
2 stops15h 52mBritish Airways
Sun 1/320:25BHD - STL
2 stops32h 58mBritish Airways
Deal found 25/12£622
Sun 7/606:07MCI - BHD
2 stops22h 23mBritish Airways
Sat 1/819:00BHD - MCI
2 stops28h 37mBritish Airways
Deal found 26/12£857
Sun 7/614:16MCI - BHD
2 stops14h 14mMultiple Airlines
Sat 1/807:15BHD - MCI
3 stops19h 02mMultiple Airlines
Deal found 26/12£1,058
Sun 22/214:02MCI - BHD
2 stops17h 53mFinnair
Thu 26/211:05BHD - MCI
2 stops38h 08mFinnair
Deal found 23/12£1,099
Sun 7/606:07MCI - BFS
2 stops29h 18mMultiple Airlines
Sat 1/808:20BFS - MCI
2 stops18h 28mMultiple Airlines
Deal found 26/12£1,090
Sun 8/214:54STL - BHD
2 stops17h 01mBritish Airways
Thu 12/206:35BHD - STL
2 stops22h 53mBritish Airways
Deal found 23/12£1,011
Wed 4/211:44MCI - BHD
2 stops20h 31mFinnair
Sun 8/212:10BHD - MCI
2 stops39h 17mFinnair
Deal found 23/12£1,168

Find flight deals from Missouri to Belfast

Keep the following information in mind while searching for Missouri to Belfast flight deals. Data was last updated 26 December 2025.

Round-trip from

£591
KLM
  • KLM
  • 12/1-20/1
  • 4 total stops
  • 50h 13m total
  • Missouri to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Missouri to Belfast 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 26 December 2025.
Use the filters below to find and compare flights from Missouri to Belfast that are best for you.

Fly from

Missouri

Fly to

Belfast

Route

Depart

Return

Price

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 12/1

18:55-16:50

2 stops15h 55m

Belfast City

Tue 20/1

17:20-21:38

2 stops34h 18m

£591

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 4/2

12:11-10:15

2 stops16h 04m

Belfast City

Sun 8/2

06:30-20:13

2 stops19h 43m

£621

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 25/2

18:43-16:35

2 stops15h 52m

Belfast City

Sun 1/3

20:25-23:23

2 stops32h 58m

£622

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Sun 7/6

06:07-10:30

2 stops22h 23m

Belfast City

Sat 1/8

19:00-17:37

2 stops28h 37m

£857

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Wed 25/2

14:02-14:15

2 stops18h 13m

Belfast City

Sun 1/3

12:10-18:47

2 stops36h 37m

£881

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Sat 7/2

16:05-18:30

2 stops20h 25m

Belfast Intl

Sat 14/2

12:45-15:29

3 stops32h 44m

£983

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Sun 8/2

14:54-13:55

2 stops17h 01m

Belfast City

Thu 12/2

06:35-23:28

2 stops22h 53m

£1,011

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Sun 7/6

14:16-10:30

2 stops14h 14m

Belfast City

Sat 1/8

07:15-20:17

3 stops19h 02m

£1,058

Kansas CityBelfast

MCI - BFS

MCIBFS

Kansas City

Sun 7/6

06:07-17:25

2 stops29h 18m

Belfast Intl

Sat 1/8

08:20-20:48

2 stops18h 28m

£1,090

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Sun 22/2

14:02-13:55

2 stops17h 53m

Belfast City

Thu 26/2

11:05-19:13

2 stops38h 08m

£1,099

Flights are sorted by cheapest return flights first.

Deals found on 25/12

Showing 1-10 of 11 results
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Best time to book a flight from Missouri to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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 Belfast
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 Belfast. 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 Belfast?

    KLM, British Airways, and Finnair can get you from Missouri to Belfast in just under 15h 55m. Your travel time can differ by up to 2h 18m. Airlines will cover a distance of 3893 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Missouri to Belfast?

    Most travelers choose Lambert-St Louis - Belfast Intl, Lambert-St Louis - Belfast City or Kansas City - Belfast City when deciding on the best route from Missouri to Belfast.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri to Belfast 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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