Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from St. Louis to Belfast from $1,152

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:29 am - 10:50 amSTL  Lambert-St Louis-BHD Belfast City
21h 21m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
6:45 am - 4:43 pmBHD  Belfast City-STL Lambert-St Louis
15h 58m2 stops London Heathrow Chicago O'Hare Intl
$1,152British Airways
Mon, Jan 18 - Fri, Jan 22
British Airways Logo
7:29 am - 10:50 amSTL  Lambert-St Louis-BHD Belfast City
21h 21m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
6:45 am - 4:43 pmBHD  Belfast City-STL Lambert-St Louis
15h 58m2 stops London Heathrow Chicago O'Hare Intl
$1,153British Airways
Mon, Jan 18 - Fri, Jan 22
British Airways Logo
5:18 pm - 8:35 pmSTL  Lambert-St Louis-BHD Belfast City
21h 17m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
11:00 am - 10:42 pmBHD  Belfast City-STL Lambert-St Louis
17h 42m2 stops London Heathrow Charlotte Douglas
$1,354British Airways
Fri, Sep 11 - Fri, Sep 25
British Airways Logo
9:35 pm - 8:35 pmSTL  Lambert-St Louis-BHD Belfast City
17h 00m1 stop London Heathrow
British Airways Logo
11:00 am - 12:27 amBHD  Belfast City-STL Lambert-St Louis
19h 27m2 stops London Heathrow Chicago O'Hare Intl
$1,408British Airways
Fri, Sep 11 - Fri, Sep 25
British Airways Logo
9:35 pm - 8:35 pmSTL  Lambert-St Louis-BHD Belfast City
17h 00m1 stop London Heathrow
British Airways Logo
11:00 am - 7:30 pmBHD  Belfast City-STL Lambert-St Louis
14h 30m1 stop London Heathrow
$1,505British Airways
Fri, Sep 11 - Fri, Sep 25
Multiple Airlines Logo
8:55 am - 4:40 pmSTL  Lambert-St Louis-BHD Belfast City
25h 45m3 stops Toronto Pearson Intl Brussels Bruxelles-National Manchester
Multiple Airlines Logo
7:00 am - 2:00 pmBHD  Belfast City-STL Lambert-St Louis
37h 00m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$1,666Multiple Airlines
Fri, Sep 11 - Fri, Sep 25
Multiple Airlines Logo
9:35 pm - 9:00 pmSTL  Lambert-St Louis-BHD Belfast City
17h 25m2 stops London Heathrow Glasgow Intl
Multiple Airlines Logo
7:00 am - 2:00 pmBHD  Belfast City-STL Lambert-St Louis
37h 00m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$1,795Multiple Airlines
Fri, Sep 11 - Fri, Sep 25

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

British Airways flights from St. Louis to Belfast City Airport

Our best British Airways deals on St. Louis to Belfast City Airport flight tickets
British Airways
Jan 18
STL7:29 amLambert-St Louis
21h 21m
2 stops
BHD10:50 amBelfast City
Jan 22
BHD6:45 amBelfast City
15h 58m
2 stops
STL4:43 pmLambert-St Louis
$1,152
British Airways
Jan 18
STL7:29 amLambert-St Louis
21h 21m
2 stops
BHD10:50 amBelfast City
Jan 22
BHD6:45 amBelfast City
15h 58m
2 stops
STL4:43 pmLambert-St Louis
$1,153
British Airways
Sep 11
STL5:18 pmLambert-St Louis
21h 17m
2 stops
BHD8:35 pmBelfast City
Sep 25
BHD11:00 amBelfast City
17h 42m
2 stops
STL10:42 pmLambert-St Louis
$1,354

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Mon 1/18

7:29 am-10:50 am

2 stops21h 21m

Belfast City

Fri 1/22

6:45 am-4:43 pm

2 stops15h 58m

$1,152

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Mon 1/18

7:29 am-10:50 am

2 stops21h 21m

Belfast City

Fri 1/22

6:45 am-4:43 pm

2 stops15h 58m

$1,153

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Fri 9/11

5:18 pm-8:35 pm

2 stops21h 17m

Belfast City

Fri 9/25

11:00 am-10:42 pm

2 stops17h 42m

$1,354

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Fri 9/11

9:35 pm-8:35 pm

1 stop17h 00m

Belfast City

Fri 9/25

11:00 am-12:27 am

2 stops19h 27m

$1,408
Quickest round-trip

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Fri 9/11

9:35 pm-8:35 pm

1 stop17h 00m

Belfast City

Fri 9/25

11:00 am-7:30 pm

1 stop14h 30m

$1,505

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Fri 9/11

8:55 am-4:40 pm

3 stops25h 45m

Belfast City

Fri 9/25

7:00 am-2:00 pm

3 stops37h 00m

$1,666

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Fri 9/11

9:35 pm-9:00 pm

2 stops17h 25m

Belfast City

Fri 9/25

7:00 am-2:00 pm

3 stops37h 00m

$1,795

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Belfast from

How to get the cheapest flight ticket from St. Louis 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

Can stopping save me money on St. Louis to Belfast City Airport flights?

You could potentially save up to 24% on your flight if you consider stops on a St. Louis to Belfast City Airport flight.

When to book flights from St. Louis to Belfast City Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Belfast City Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Belfast City Airport (STL to BHD) flight deals and tips

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

Best Price Found

$1,152

Fastest flight time

18h 44m

Direct flights

None
The best flight deal from St. Louis to Belfast City Airport found on momondo in the last 72 hours is $1,152
The fastest flight from St. Louis to Belfast City Airport takes 18h 44m
There are no direct flights from St. Louis to Belfast City Airport. There are no popular flight routes from St. Louis to Belfast City Airport.
Search flight deals

Frequently asked questions about flying from St. Louis to Belfast City Airport

  • How far is Lambert-St Louis to Belfast City by plane?

    A flight from Lambert-St Louis to Belfast City will travel around 3892.8 mi. A reasonable flight in good conditions will take 18h 44m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Belfast City Airport?

    Prices for flights from Lambert-St Louis Airport to Belfast City Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Lambert-St Louis Airport 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 Lambert-St Louis Airport to Belfast City Airport.

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

    The travel and health documents required for your trip to Belfast City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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 St. Louis to Belfast?

It is quick and easy to find St. Louis to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

Can I find flights from St. Louis to Belfast with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Belfast flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Belfast?

momondo helps you find the best flight between St. Louis and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis 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 St. Louis 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 9/20
Sun 9/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Belfast

Popular cities in the United Kingdom

Flights to London Heathrow Airportfrom $443
Flights to London Gatwick Airportfrom $403
Flights to London Stansted Airportfrom $490
Flights to London City Airportfrom $644
Flights to London Luton Airportfrom $537
Flights to Glasgow Intl Airportfrom $535
Flights to Belfast Intl Airportfrom $665
Flights to London Southend Airportfrom $723