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Cheap flights from Missouri to Belfast from £474

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
24 Dec — 31 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Missouri to Belfast

Keep the following information in mind while searching for Missouri to Belfast flight deals. Data was last updated 24 November 2025.

Round-trip from

£474
British Airways
  • British Airways
  • 12/1-20/1
  • 4 total stops
  • 33h 02m total
  • Missouri to Belfast
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Find flight deals from Missouri to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Missouri to Belfast
Explore the most affordable flight options available from Missouri to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 November 2025.

Thu 27/1109:53STL - BHD
2 stops18h 27mBritish Airways
Sat 29/1111:35BHD - STL
2 stops18h 30mBritish Airways
Deal found 23/11£1,581
Thu 27/1116:05STL - BHD
2 stops17h 45mMultiple Airlines
Sat 29/1115:25BHD - STL
3 stops28h 30mMultiple Airlines
Deal found 23/11£1,769
Thu 27/1116:05STL - BFS
2 stops24h 00mMultiple Airlines
Sat 29/1105:45BFS - STL
3 stops38h 10mMultiple Airlines
Deal found 23/11£1,890

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 24 November 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

18:44-16:05

2 stops15h 21m

Belfast City

Tue 20/1

06:35-18:16

2 stops17h 41m

£474

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Wed 28/1

17:09-16:50

2 stops41h 41m

Belfast City

Sun 1/2

17:20-17:13

2 stops29h 53m

£500

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Wed 4/2

10:42-16:50

2 stops24h 08m

Belfast City

Sun 8/2

17:20-09:39

2 stops46h 19m

£500

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Wed 28/1

17:09-16:50

2 stops17h 41m

Belfast City

Sun 1/2

17:20-19:19

2 stops31h 59m

£501

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 11/2

09:59-16:50

2 stops24h 51m

Belfast City

Sun 15/2

17:20-09:06

2 stops45h 46m

£543

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 11/2

13:00-16:50

2 stops21h 50m

Belfast City

Sun 15/2

17:20-23:23

2 stops36h 03m

£576

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Fri 13/3

19:05-14:15

2 stops38h 10m

Belfast City

Wed 18/3

15:40-08:58

2 stops22h 18m

£800

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Tue 6/1

16:05-20:30

3 stops22h 25m

Belfast Intl

Tue 13/1

20:55-13:55

2 stops23h 00m

£1,087

Flights are sorted by cheapest return flights first.

Deals found on 22/11

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
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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?

    British Airways, Virgin Atlantic, and Delta can get you from Missouri to Belfast in just under 15h 21m. Your travel time can differ by up to 26h 20m. 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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