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Belfast City

$706+ Cheap flights from St. Louis (STL) to Belfast City (BHD)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BHD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from St. Louis to Belfast City

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Belfast City (BHD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$706
(American Airlines)
From Lambert-St Louis to Belfast City
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Find flight deals from St. Louis to Belfast City

Cheapest flights from St. Louis to Belfast City
Explore the most affordable flight options available from St. Louis to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 9/297:59 pmSTL - BHD
2 stops15h 31mAmerican Airlines
Tue 10/79:35 amBHD - STL
2 stops17h 54mAmerican Airlines
Deal found 9/15$706
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/291:30 pmSTL - BHD
3 stops20h 55mMultiple Airlines
Tue 10/75:55 pmBHD - STL
3 stops31h 43mMultiple Airlines
Deal found 9/15$2,032

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Belfast City 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 September 16, 2025.
Use the filters below to find and compare flights from St. Louis to Belfast City Airport that are best for you.

Fly from

St. Louis

Fly to

Belfast City

Route

Depart

Return

Price

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 9/29

7:59 pm-5:30 pm

2 stops15h 31m

Belfast City

Tue 10/7

9:35 am-9:29 pm

2 stops17h 54m

$706

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Sun 3/1

11:51 am-4:50 pm

2 stops22h 59m

Belfast City

Thu 3/5

6:30 am-4:50 pm

2 stops16h 20m

$801

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Sun 3/1

10:45 am-9:00 pm

2 stops28h 15m

Belfast City

Thu 3/5

6:30 am-4:50 pm

2 stops16h 20m

$801

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 9/29

1:30 pm-4:25 pm

3 stops20h 55m

Belfast City

Tue 10/7

5:55 pm-7:38 pm

3 stops31h 43m

$2,032

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from St. Louis to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from St. Louis 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.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Belfast City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Belfast City?

    For a flight from St. Louis to Belfast City, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to Belfast City per day. 0 airlines have flights to Belfast City from Lambert-St Louis on a regular basis.

  • How long is the flight from St. Louis to Belfast City Airport?

    There are many flights that can get you from St. Louis to Belfast City Airport in 15h 31m. Fly via American Airlines, Virgin Atlantic, or Delta to get the fastest option. The distance between St. Louis and Belfast City Airport is about 3893 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from St. Louis to Belfast City that include hotel bookings?

    Yes. In addition to deals on St. Louis to Belfast City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Belfast City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Belfast City.

  • Can I find deals for business class flights from St. Louis to Belfast City?

    Yes. Cheapflights offers flight deals from St. Louis to Belfast City 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

Traveling to a place near Belfast City Airport?

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

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