To save up to 0% on this flight, we recommend booking at least 48 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Belfast International to St Louis from £579 1-2 weeks out and tickets from £579 for flights departing within the next 72 hours.
March can be a great time to fly to St Louis from Belfast International with a flight ticket averaging about £596. Cheapflights users have found deals in the month of March for as cheap as £413. The most expensive prices can be found in the month of July.
When flying from Belfast International to St Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Belfast International and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.
Belfast International will have greater rainfall in 0 compared to St Louis over the next 26 days.
Our data indicates that the weather will be 32 °C on average in the month of July. The temperature in St Louis is typically hotter than in Belfast International. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.