Flights from Belfast to St Louis, MO

Cheapest time to fly from Belfast to St Louis, MO

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available in the middle of November. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.
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week: 9 Nov - 15 Nov
£477
November
Distance: 3,894 mi
Belfast airports
Belfast International Airport (BFS)How far from city centre: 13 mi
George Best Belfast City Airport (BHD)How far from city centre: 2 mi
St Louis, MO airports
St. Louis Lambert International Airport (STL)How far from city centre: 12 mi

Book your Belfast to St Louis, MO flight

Search direct and connecting flights from Belfast to St Louis, MO (United States) with Opodo. When your results appear, sort them by timing or fare and book whichever option fits your plans best.

Flying non-stop from Belfast to St Louis, MO takes roughly 11 h and 33 m, whereas journeys with a layover will take longer.

Airports and airlines on the Belfast–St Louis, MO route

Plan your trip with confidence by checking the relevant airports and comparing the airlines that fly this route.

  • Departure airport: Belfast International Airport (BFS)
  • Arrival airport: St. Louis Lambert International Airport (STL)

The weather in St Louis, MO

The best time to go may come down to the kind of weather you most enjoy. In St Louis, MO, temperatures average around 31ºC in the warmest months and roughly -3ºC in the coldest. Bear this in mind when deciding what to pack and planning time outdoors.

  • Highs: up to 32ºC
  • Lows: down to -5ºC
  • Hottest month: July
  • Coldest month: January
  • Driest month: February
  • Wettest month: May

Tips for cheaper flights from Belfast to St Louis, MO

A few ways to bring down the cost of your flight from Belfast to St Louis, MO:

  • Flexible dates: check fares across two or three departure days. Going a day earlier or later can make a real difference to what you pay.
  • Baggage allowance: see what's included in each fare before booking, so you're not stung by unexpected charges at the airport.
  • Airports on your route: double-check which airports you'll fly from and into, particularly if the city has more than one. It makes it easier to plan transfers and work out the full cost of getting around.

After a bigger saving? Book a Flight + Hotel package to combine the two in a single booking and unlock exclusive discounts on your stay in St Louis, MO. Adding car hire to the same booking can save you money too.

Frequently asked questions about flights from Belfast to St Louis, MO

On average, how much is the price of a flight from Belfast to St Louis, MO?
When you fly from Belfast to St Louis, MO the average price is £1542. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.
How can I find cheap flights from Belfast to St Louis, MO at Opodo?
At Opodo we use different machine learned based methodologies to find our costumers the cheapest flight available from Belfast to St Louis, MO. Considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys, our search engine works to provides always the best price with the best conditions.
When is the best time to book a flight from Belfast to St Louis, MO?
The most popular months to book a flight from Belfast to St Louis, MO are January, November and May, based on the searches of our customers.
When is the best time to travel from Belfast to St Louis, MO?
The best time of the year to go to St Louis, MO when flying from Belfast depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, August is the top 1º month to fly to St Louis, MO from Belfast in terms of searches from our customer, followed by April and September. If you prefer to avoid high peaks of turism, however, and escape a crowded period, December, July and January are the months with less volume of searchs for the route Belfast - St Louis, MO.
How long does the flight take to go from Belfast to St Louis, MO?
The total flight time between Belfast and St Louis, MO is of around 35 h and 9 m on average, considering an average distance of 3,893.82 mi, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).
How is the weather in St Louis, MO compared to Belfast?
While in Belfast temperatures can reach an average of 15º ºC in summer, St Louis, MO can experience temperatures up to 26º ºC during the hot season. In winter, however, the weather shows around 1º ºC in St Louis, MO, compared to the 5º ºC average in Belfast.

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