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Cheap flights from Missouri to Belfast from $619

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Belfast departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Missouri to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
5:04 pm - 4:05 pmSTL-BHD
17h 01m2 stops
British Airways Logo
6:35 am - 6:16 pmBHD-STL
17h 41m2 stops
$619British Airways
Find Deal
Mon, Jan 12 - Tue, Jan 20
American Airlines Logo
3:43 pm - 2:15 pmSTL-BHD
16h 32m2 stops
American Airlines Logo
9:10 am - 7:05 pmBHD-STL
15h 55m2 stops
$625American Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 7
American Airlines Logo
3:37 pm - 2:15 pmSTL-BHD
16h 38m2 stops
American Airlines Logo
6:35 am - 9:15 pmBHD-STL
20h 40m2 stops
$635American Airlines
Find Deal
Mon, Jan 12 - Tue, Jan 20
Virgin Atlantic Logo
11:21 am - 4:50 pmSTL-BHD
23h 29m2 stops
Virgin Atlantic Logo
5:20 pm - 8:41 pmBHD-STL
33h 21m2 stops
$746Virgin Atlantic
Find Deal
Sun, Mar 1 - Thu, Mar 5
Virgin Atlantic Logo
12:10 pm - 4:50 pmSTL-BHD
22h 40m2 stops
Virgin Atlantic Logo
6:30 am - 6:04 pmBHD-STL
17h 34m2 stops
$747Virgin Atlantic
Find Deal
Sun, Mar 1 - Thu, Mar 5
British Airways Logo
10:00 pm - 3:30 pmSTL-BHD
11h 30m1 stop
British Airways Logo
1:40 pm - 7:30 pmBHD-STL
11h 50m1 stop
$749British Airways
Find Deal
Fri, May 1 - Tue, May 12
British Airways Logo
10:00 pm - 8:45 pmSTL-BHD
16h 45m1 stop
British Airways Logo
1:40 pm - 7:30 pmBHD-STL
11h 50m1 stop
$759British Airways
Find Deal
Fri, May 1 - Tue, May 12
American Airlines Logo
4:39 pm - 3:30 pmSTL-BHD
16h 51m2 stops
American Airlines Logo
9:35 am - 7:30 pmBHD-STL
15h 55m1 stop
$769American Airlines
Find Deal
Fri, May 1 - Tue, May 12
Multiple Airlines Logo
3:30 pm - 8:25 pmSTL-BHD
22h 55m3 stops
Multiple Airlines Logo
2:35 pm - 1:30 pmBHD-STL
28h 55m2 stops
$1,615Multiple Airlines
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Fri, May 1 - Tue, May 12
Multiple Airlines Logo
6:39 am - 1:50 pmSTL-BHD
26h 11m3 stops
Multiple Airlines Logo
2:35 pm - 2:55 pmBHD-STL
29h 20m2 stops
$2,267Multiple Airlines
Find Deal
Thu, Mar 12 - Thu, Mar 26

American Airlines flights from Missouri to Belfast City Airport

Our best American Airlines deals on Missouri to Belfast City Airport flight tickets
American Airlines
Dec 1
STL3:43 pmLambert-St Louis
16h 32m
2 stops
BHD2:15 pmBelfast City
Dec 7
BHD9:10 amBelfast City
15h 55m
2 stops
STL7:05 pmLambert-St Louis
$625
Find similar
American Airlines
Jan 12
STL3:37 pmLambert-St Louis
16h 38m
2 stops
BHD2:15 pmBelfast City
Jan 20
BHD6:35 amBelfast City
20h 40m
2 stops
STL9:15 pmLambert-St Louis
$635
Find similar
American Airlines
May 1
STL4:39 pmLambert-St Louis
16h 51m
2 stops
BHD3:30 pmBelfast City
May 12
BHD9:35 amBelfast City
15h 55m
1 stop
STL7:30 pmLambert-St Louis
$769
Find similar

Virgin Atlantic flights from Missouri to Belfast City Airport

Our best Virgin Atlantic deals on Missouri to Belfast City Airport flight tickets
Virgin Atlantic
Mar 1
STL11:21 amLambert-St Louis
23h 29m
2 stops
BHD4:50 pmBelfast City
Mar 5
BHD5:20 pmBelfast City
33h 21m
2 stops
STL8:41 pmLambert-St Louis
$746
Find similar
Virgin Atlantic
Mar 1
STL12:10 pmLambert-St Louis
22h 40m
2 stops
BHD4:50 pmBelfast City
Mar 5
BHD6:30 amBelfast City
17h 34m
2 stops
STL6:04 pmLambert-St Louis
$747
Find similar
Virgin Atlantic
Mar 27
MCI10:10 amKansas City
29h 50m
2 stops
BHD9:00 pmBelfast City
Mar 31
BHD6:30 amBelfast City
20h 38m
2 stops
MCI9:08 pmKansas City
$876
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Belfast City Airport 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, momondo users made 832,500 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Missouri to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 1/12

5:04 pm-4:05 pm

2 stops17h 01m

Belfast City

Tue 1/20

6:35 am-6:16 pm

2 stops17h 41m

$619

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 12/1

3:43 pm-2:15 pm

2 stops16h 32m

Belfast City

Sun 12/7

9:10 am-7:05 pm

2 stops15h 55m

$625

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 1/12

3:37 pm-2:15 pm

2 stops16h 38m

Belfast City

Tue 1/20

6:35 am-9:15 pm

2 stops20h 40m

$635

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Sun 3/1

11:21 am-4:50 pm

2 stops23h 29m

Belfast City

Thu 3/5

5:20 pm-8:41 pm

2 stops33h 21m

$746

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Sun 3/1

12:10 pm-4:50 pm

2 stops22h 40m

Belfast City

Thu 3/5

6:30 am-6:04 pm

2 stops17h 34m

$747

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Fri 5/1

10:00 pm-3:30 pm

1 stop11h 30m

Belfast City

Tue 5/12

1:40 pm-7:30 pm

1 stop11h 50m

$749

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Fri 5/1

10:00 pm-8:45 pm

1 stop16h 45m

Belfast City

Tue 5/12

1:40 pm-7:30 pm

1 stop11h 50m

$759

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Fri 5/1

4:39 pm-3:30 pm

2 stops16h 51m

Belfast City

Tue 5/12

9:35 am-7:30 pm

1 stop15h 55m

$769

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Fri 5/1

3:30 pm-8:25 pm

3 stops22h 55m

Belfast City

Tue 5/12

2:35 pm-1:30 pm

2 stops28h 55m

$1,615

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Thu 3/12

6:39 am-1:50 pm

3 stops26h 11m

Belfast City

Thu 3/26

2:35 pm-2:55 pm

2 stops29h 20m

$2,267

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Missouri to Belfast City Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Missouri to Belfast City?

Finnair is the most popular carrier operating from Missouri to Belfast City

Cheap Missouri to Belfast City Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Belfast City Airport

Direct flights

None
There are no direct flights from Missouri to Belfast City Airport. There are no popular flight routes from Missouri to Belfast City Airport.
Search flight deals

  • When did momondo last update prices for flights from Missouri to Belfast City Airport?

    Prices for flights from Missouri to Belfast City Airport were last updated today.

  • How old do you have to be to fly from Missouri to Belfast City Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to Belfast City Airport.

  • What documentation or ID do you need to fly to Belfast City Airport?

    The travel and health documents you'll need for your trip to Belfast City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newcastle
Bangor

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Belfast?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Missouri to Belfast. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Missouri to Belfast with flexible booking policies on momondo?

Flights from Missouri to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Missouri to Belfast?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Missouri.

I’m not ready to book a flight from Missouri to Belfast right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Missouri and alert you when they change.

An easier way to manage your Belfast City Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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