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Cheap flights from Missouri to Belfast from £241

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BHD
9 May — 16 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 9 April 2026.

Wed 6/511:45
STL
-
BHD
2 stops18h 15m
British Airways
Wed 13/506:30
BHD
-
STL
2 stops16h 11m
British Airways
Deal found 6/4£729
Mon 18/517:21
STL
-
BHD
2 stops16h 09m
American Airlines
Tue 26/506:30
BHD
-
STL
2 stops16h 00m
American Airlines
Deal found 4/4£753
Wed 6/513:05
STL
-
BFS
2 stops24h 20m
Multiple Airlines
Wed 13/506:15
BFS
-
STL
2 stops20h 10m
Multiple Airlines
Deal found 6/4£826
Mon 7/1216:49
STL
-
BHD
2 stops15h 26m
British Airways
Thu 10/1211:05
BHD
-
STL
2 stops18h 53m
British Airways
Deal found 7/4£833
Mon 1/613:35
MCI
-
BHD
2 stops25h 00m
British Airways
Sat 13/607:05
BHD
-
MCI
2 stops39h 33m
British Airways
Deal found 8/4£986
Thu 16/707:35
MCI
-
BHD
2 stops29h 10m
British Airways
Sun 19/719:10
BHD
-
MCI
2 stops32h 48m
British Airways
Deal found 4/4£989
Wed 24/621:35
STL
-
BHD
1 stop12h 05m
British Airways
Thu 2/720:35
BHD
-
STL
2 stops32h 57m
British Airways
Deal found 7/4£1,003
Thu 16/713:16
MCI
-
BHD
2 stops14h 04m
Air Europa
Sun 19/717:30
BHD
-
MCI
2 stops33h 19m
Air Europa
Deal found 7/4£1,027
Wed 24/608:40
STL
-
BFS
2 stops23h 50m
Multiple Airlines
Thu 2/706:10
BFS
-
STL
3 stops22h 49m
Multiple Airlines
Deal found 7/4£1,096
Thu 16/719:46
MCI
-
BHD
2 stops13h 44m
Multiple Airlines
Sun 19/706:30
BHD
-
MCI
3 stops18h 33m
Multiple Airlines
Deal found 4/4£1,301
Mon 18/507:05
STL
-
BFS
3 stops26h 30m
Multiple Airlines
Tue 26/517:10
BFS
-
STL
3 stops33h 15m
Multiple Airlines
Deal found 4/4£2,038
Wed 6/514:15
STL
-
BHD
3 stops20h 00m
Multiple Airlines
Wed 13/507:00
BHD
-
STL
3 stops18h 30m
Multiple Airlines
Deal found 6/4£2,716

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 9 April 2026.

Round-trip from

£729

One-way from

£241
British Airways
  • British Airways
  • 6/5-13/5
  • 4 total stops
  • 34h 26m total
  • Missouri to Belfast
Search Deals
American Airlines
  • American Airlines
  • 13/9
  • 2 total stops
  • 15h 51m 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 9 April 2026.
Use the filters below to find and compare flights from Missouri to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 6/5

11:45-12:00

2 stops18h 15m

Belfast City

Wed 13/5

06:30-16:41

2 stops16h 11m

£729
Fastest return journey

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 18/5

17:21-15:30

2 stops16h 09m

Belfast City

Tue 26/5

06:30-16:30

2 stops16h 00m

£753

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Wed 6/5

13:05-19:25

2 stops24h 20m

Belfast Intl

Wed 13/5

06:15-20:25

2 stops20h 10m

£826

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 1/6

13:35-20:35

2 stops25h 00m

Belfast City

Sat 13/6

07:05-16:38

2 stops39h 33m

£986

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Thu 16/7

07:35-18:45

2 stops29h 10m

Belfast City

Sun 19/7

19:10-21:58

2 stops32h 48m

£989

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 24/6

21:35-15:40

1 stop12h 05m

Belfast City

Thu 2/7

20:35-23:32

2 stops32h 57m

£1,003

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Thu 16/7

13:16-09:20

2 stops14h 04m

Belfast City

Sun 19/7

17:30-20:49

2 stops33h 19m

£1,027

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Wed 24/6

08:40-14:30

2 stops23h 50m

Belfast Intl

Thu 2/7

06:10-22:59

3 stops22h 49m

£1,096

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Thu 16/7

19:46-15:30

2 stops13h 44m

Belfast City

Sun 19/7

06:30-19:03

3 stops18h 33m

£1,301

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Mon 18/5

07:05-15:35

3 stops26h 30m

Belfast Intl

Tue 26/5

17:10-20:25

3 stops33h 15m

£2,038

Flights are sorted by cheapest return flights first.

Deals found on 6/4

Showing 1-10 of 24 resultsSorted by cheapest first
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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?

    British Airways, American Airlines, and Air Europa can get you from Missouri to Belfast in just under 14h 04m. Your travel time can differ by up to 4h 11m. Airlines will cover a distance of 4026 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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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