Cheap flights from Idaho Falls to St Louis (IDA - STL)

Flight FAQs

From Idaho Falls to St Louis

Are flight prices decreasing from Idaho Falls to St Louis due to COVID-19 (coronavirus)?

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 Idaho Falls 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.

What safety measures are being taken by airlines flying from Idaho Falls Fanning Field to Lambert-St Louis to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Idaho Falls Fanning Field to Lambert-St Louis include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Idaho Falls Fanning Field to Lambert-St Louis have flexible cancellations due to COVID-19?

Delta and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Idaho Falls to St Louis for under $300 on Cheapflights?

Yes, there are multiple flights from Idaho Falls to St Louis for under $300. The cheapest flight booked recently is on United Airlines for just $226, but on average you can expect to pay $433.

Are there nonstop flights from Idaho Falls to St Louis for under $200 on Cheapflights?

There are no nonstop flights from Idaho Falls to St Louis, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in Idaho Falls or St Louis?

The rainfall in Idaho Falls is generally more than the rainfall in St Louis. This will continue over the next 13 days.

Is Idaho Falls weather warmer or cooler than St Louis?

Expect the weather to be around 91 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in St Louis is generally colder than in Idaho Falls.

How long is the flight from Idaho Falls to St Louis?

Departing from Idaho Falls to St Louis will take you 4h 36m. This flight may include one or multiple stops.

What are the cheapest airlines flying from Idaho Falls to St Louis round-trip?

United Airlines, at $226, was found to be the cheapest airline from Idaho Falls to St Louis. An alternate airline flying to your destination would be Delta.

What are the cheapest airlines to fly from Idaho Falls to St Louis one-way?

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $223.