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$692+ Cheap flights from Missouri to Belfast

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BHD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Missouri to Belfast

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 February 3, 2026.

This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:45 am
STL
-
BHD
2 stops19h 00m
British Airways
Tue 9/226:30 am
BHD
-
STL
2 stops23h 08m
British Airways
Deal found 2/1$692
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Sun 9/64:32 pm
STL
-
BHD
2 stops16h 03m
American Airlines
Sat 9/197:05 am
BHD
-
STL
2 stops17h 10m
American Airlines
Deal found 2/1$757
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 2/254:05 pm
STL
-
BHD
2 stops16h 10m
American Airlines
Sun 3/19:10 am
BHD
-
STL
2 stops18h 02m
American Airlines
Deal found 2/3$782
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:40 pm
STL
-
BHD
1 stop10h 55m
British Airways
Sat 9/199:35 am
BHD
-
STL
2 stops16h 28m
British Airways
Deal found 2/1$872
This British Airways deal was found by Cheapflights users on 1/31. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:13 pm
STL
-
BHD
2 stops18h 22m
British Airways
Sun 3/18:25 pm
BHD
-
STL
2 stops33h 23m
British Airways
Deal found 1/31$993
This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/251:58 pm
MCI
-
BHD
2 stops18h 17m
Finnair
Sun 3/112:10 pm
BHD
-
MCI
2 stops36h 39m
Finnair
Deal found 2/2$1,196
This Priceline deal was found by Cheapflights users on 2/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:40 pm
STL
-
BHD
1 stop14h 00m
British Airways
Sun 9/206:30 am
BHD
-
STL
1 stop19h 00m
British Airways
Deal found 2/1$1,233
This Gotogate deal was found by Cheapflights users on 2/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:40 pm
MCI
-
BHD
2 stops19h 45m
British Airways
Mon 7/63:20 pm
BHD
-
MCI
2 stops55h 11m
British Airways
Deal found 2/1$1,278
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:44 pm
MCI
-
BHD
2 stops37h 36m
Multiple Airlines
Mon 7/63:25 pm
BHD
-
MCI
3 stops33h 39m
Multiple Airlines
Deal found 2/1$1,306
This Priceline deal was found by Cheapflights users on 2/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/224:20 pm
MCI
-
BHD
3 stops22h 30m
Aer Lingus
Mon 7/66:00 pm
BHD
-
MCI
3 stops31h 04m
Aer Lingus
Deal found 2/1$1,387
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:40 pm
STL
-
BHD
1 stop10h 55m
Multiple Airlines
Sat 9/197:05 pm
BHD
-
STL
1 stop30h 25m
Multiple Airlines
Deal found 2/1$1,509

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 February 3, 2026.

Round-trip from

$993
(British Airways)
From Missouri to Belfast
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated February 3, 2026.
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

Wed 2/25

4:05 pm-2:15 pm

2 stops16h 10m

Belfast City

Sun 3/1

9:10 am-9:12 pm

2 stops18h 02m

$782

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 2/25

4:13 pm-4:35 pm

2 stops18h 22m

Belfast City

Sun 3/1

8:25 pm-11:48 pm

2 stops33h 23m

$993

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Wed 2/25

1:58 pm-2:15 pm

2 stops18h 17m

Belfast City

Sun 3/1

12:10 pm-6:49 pm

2 stops36h 39m

$1,196

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 6/22

5:40 pm-7:25 pm

2 stops19h 45m

Belfast City

Mon 7/6

3:20 pm-4:31 pm

2 stops55h 11m

$1,278

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 6/22

7:44 pm-3:20 pm

2 stops37h 36m

Belfast City

Mon 7/6

3:25 pm-7:04 pm

3 stops33h 39m

$1,306

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 6/22

4:20 pm-8:50 pm

3 stops22h 30m

Belfast City

Mon 7/6

6:00 pm-7:04 pm

3 stops31h 04m

$1,387

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 2/25

4:05 pm-6:25 pm

3 stops20h 20m

Belfast City

Sun 3/1

4:55 pm-3:29 pm

3 stops28h 34m

$2,264

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

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 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 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?

    A quick flight from Missouri to Belfast can take about 16h 10m. American Airlines provides one of the quickest options available for as low as $782. Missouri and Belfast are separated by a distance of 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 Belfast that include hotel bookings?

    Yes. In addition to deals on Missouri to Belfast flights, Cheapflights offers vacation 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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