Cheap flights from St. Louis (STL) to Belfast Intl (BFS) from $1,934

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — BFS
May 10 — May 171

Cheap flight deals from St. Louis to Belfast Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Belfast Intl (BFS). 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 May 5, 2024.

Popular in

February

Cheapest in

August

Average price

$977

Round-trip from

$640
High demand for flights, 39% potential price rise
Best time to find cheap flights, 40% potential price drop
Average for round-trip flights in May 2024
From Lambert-St Louis to Belfast Intl

What is the cheapest day to fly round-trip from St. Louis to Belfast Intl Airport?

Flights from St. Louis to Belfast Intl Airport are found to be more expensive on Tuesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Belfast Intl Airport.

What is the cheapest month to fly from St. Louis to Belfast Intl Airport?

Due to multiple factors, expect to potentially pay more when booking in February. For low rates, August can be a great choice for travel to Belfast Intl Airport. Flights to Belfast Intl Airport from St. Louis in August are about $1,121 on average during August, but can be found for as low as $673.

When is the cheapest time to fly from St. Louis to Belfast Intl Airport (STL - BFS)?

When flying from St. Louis to Belfast Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 23% versus a flight at noon.

Cheap St. Louis to Belfast Intl flights in May & June 2024

Find cheap flight options from St. Louis to Belfast Intl specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Prices were last updated on May 5, 2024.
Sun 5/53:25 pmSTL - BFS
2 stops25h 40mMultiple Airlines
Wed 5/88:10 amBFS - STL
3 stops19h 37mMultiple Airlines
Deal found 5/4$1,934
Sun 5/512:20 pmSTL - BFS
3 stops20h 15mMultiple Airlines
Wed 5/87:45 amBFS - STL
3 stops20h 02mMultiple Airlines
Deal found 5/4$2,873

St. Louis to Belfast Intl 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Belfast Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Sun 5/53:25 pmSTL - BFS
2 stops25h 40mMultiple Airlines
Wed 5/88:10 amBFS - STL
3 stops19h 37mMultiple Airlines
Deal found 5/4$1,934
Sun 5/512:20 pmSTL - BFS
3 stops20h 15mMultiple Airlines
Wed 5/87:45 amBFS - STL
3 stops20h 02mMultiple Airlines
Deal found 5/4$2,873

St. Louis to Belfast Intl flights leaving soon

Find last-minute flight options from St. Louis to Belfast Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Sun 5/53:25 pmSTL - BFS
2 stops25h 40mMultiple Airlines
Wed 5/88:10 amBFS - STL
3 stops19h 37mMultiple Airlines
Deal found 5/4$1,934
Sun 5/512:20 pmSTL - BFS
3 stops20h 15mMultiple Airlines
Wed 5/87:45 amBFS - STL
3 stops20h 02mMultiple Airlines
Deal found 5/4$2,873

When is the cheapest time to fly from St. Louis to Belfast Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Belfast Intl. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Belfast Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Belfast Intl by month

Plan your trip from St. Louis to Belfast Intl by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Belfast Intl is currently $0 while a round-trip flight costs $0. Price data was last updated on April 28, 2024.

Currently, February is the cheapest month in which you can book a flight from St. Louis to Belfast Intl Airport (average of $641). Flying from St. Louis to Belfast Intl Airport in June is currently the most expensive (average of $1,181). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$674

February

$641

March

$690

April

$686

May

$788

June

$1,181

July

$988

August

$869

September

$759

October

$684

November

$658

December

$728

Temperature and rainfall in Belfast Intl by month

Plan your trip to Belfast Intl by taking into account the average temperature and rainfall totals by month.

BFS

Temperature

41 - 60.8 °F

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Belfast Intl. 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 Intl?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Belfast Intl. 1 airline have flights from Lambert-St Louis to Belfast Intl on a regular basis. Booking flights from Lambert-St Louis to Belfast Intl should not be difficult; the airport handles an average of 0 outbound flights to Belfast Intl per day.

  • Are there last-minute flights available from St. Louis to Belfast Intl Airport for under $2,000?

    There are currently 2+ open flights from St. Louis to Belfast Intl Airport within the next 7 days for less than $2,000.

  • What does STL to BFS mean?

    STL stands for Lambert-St Louis Airport, while BFS stands for Belfast Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from St. Louis to Belfast Intl that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Belfast Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Belfast Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Belfast Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

    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 Intl.

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

    Yes. Cheapflights offers flight deals from St. Louis to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Belfast Intl that allow pets onboard?

    Many airlines flying from St. Louis to Belfast Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Belfast Intl?

    Yes, you can often find last-minute deals on St. Louis to Belfast Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Belfast Intl Airport flight deals updated?

    The St. Louis to Belfast Intl Airport flight deals you see on this page were last updated on 5/4.

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Alternative routes for St. Louis to Belfast Intl
See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from St. Louis to Belfast Intl

Discover the top airline that operate flights from St. Louis to Belfast Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$700Average$1,071FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from St. Louis to Belfast Intl by cabin class

Find flights from St. Louis to Belfast Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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How does Cheapflights help users find flights from St. Louis to Belfast Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Belfast Intl from St. Louis today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Belfast Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Belfast Intl.

Can Cheapflights find flights from St. Louis to Belfast Intl with no change fees?

Yes! Cheapflights helps users easily find flights from St. Louis to Belfast Intl with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Belfast Intl become cheaper?

Not ready to book yet? You can track prices for flights from St. Louis to Belfast Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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