Cheap Flights from Ruby (RBY) to St. Louis (STL)

Popular airlines from Ruby, AK (RBY) to St. Louis Lambert Intl. Airport (STL)

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Frequently asked questions

How much does a flight from Ruby Airport (RBY) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight or cheap return flight from Ruby Airport (RBY) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Ruby Airport (RBY) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from RBY to STL is , when demand is low. Off-peak season is usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Ruby Airport (RBY) to Lambert-St. Louis Intl. Airport (STL)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from RBY to STL. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Ruby Airport (RBY) to Lambert-St. Louis Intl. Airport (STL)?
You'll need to take a flight with a layover when traveling from Ruby Airport (RBY) to Lambert-St. Louis Intl. Airport (STL). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from RBY to STL?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ruby Airport (RBY) to Lambert-St. Louis Intl. Airport (STL)?
To avoid potential delays on the Ruby Airport (RBY) to Lambert-St. Louis Intl. Airport (STL) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ruby Airport (RBY) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from RBY to STL are generally more expensive. To lock in the best prices, start looking for flights well in advance. That being said, if you're flexible with your travel dates, it's possible to find a cheap fare right before your journey.
Is it cheaper to book a RBY to STL flight and hotel package?
Compared with arranging hotels and flights separately, booking a RBY to STL flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of planning your trip. Simply secure your flights and choose from our wide range of hotels, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Ruby Airport (RBY) to Lambert-St. Louis Intl. Airport (STL)?
Usually, it's possible to cancel or reschedule your RBY to STL flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Ruby
Destination airport
Lambert-St. Louis Intl.
Distance
3114 mi

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Ruby to St. Louis Flights

The cheapest times to fly from Ruby to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ruby to St. Louis are during the month of . You can find some of the cheapest flights from Ruby to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ruby to St. Louis

Sunday is one of the best days to book for cheap flights from Ruby to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ruby to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ruby to St. Louis in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ruby to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ruby to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Ruby to St. Louis Flights

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*Available to One Key members.