$671 Cheap Flights from Rotterdam (RTM) to St. Louis (STL)

View $671 flight on Tue, Apr 21, 2026Opens in a new window

Popular airlines from Rotterdam (RTM-Rotterdam The Hague) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Rotterdam to St. Louis (RTM-STL)

Prices were available within the past 7 days and start at $671 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Rotterdam The Hague Airport (RTM) to Lambert-St. Louis Intl. Airport (STL) cost?
Secure a cheap one-way flight from $671 or cheap return flight from Rotterdam The Hague Airport (RTM) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Rotterdam The Hague Airport (RTM) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from RTM to STL is , when demand is low. Off-peak months are typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Rotterdam The Hague Airport (RTM) to Lambert-St. Louis Intl. Airport (STL)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from RTM to STL. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Rotterdam The Hague Airport (RTM) to Lambert-St. Louis Intl. Airport (STL)?
Nonstop flights from Rotterdam The Hague Airport (RTM) to Lambert-St. Louis Intl. Airport (STL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from RTM to STL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rotterdam The Hague Airport (RTM) to Lambert-St. Louis Intl. Airport (STL)?
Book a flight from Rotterdam The Hague Airport (RTM) to Lambert-St. Louis Intl. Airport (STL) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**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 Rotterdam The Hague Airport (RTM) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute bookings from RTM to STL are usually more expensive. For the cheapest rates, start looking for flights well in advance. That said, if you're flexible with your travel dates, it's possible to find a cheap fare right before you leave.
Is it cheaper to book a RTM to STL flight and hotel package?
You'll generally save money by securing a RTM to STL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Rotterdam The Hague Airport (RTM) to Lambert-St. Louis Intl. Airport (STL)?
In most instances, you can reschedule or cancel your RTM to STL flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further information, head to our Customer Service portal.

Travel information

Origin airport
Rotterdam The Hague
Destination airport
Lambert-St. Louis Intl.
Distance
4358 mi

Book with confidence

Rotterdam to St. Louis Flights

The cheapest times to fly from Rotterdam 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 Rotterdam to St. Louis are during the month of . You can find some of the cheapest flights from Rotterdam to St. Louis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Rotterdam 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 Rotterdam 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 Rotterdam to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $671 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 Rotterdam 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 Rotterdam 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.

 

Rotterdam to St. Louis Flights

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*Available to One Key members.