Cheap Flights from St. Louis (STL) to The Dalles (DLS)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to The Dalles, OR (DLS-The Dalles Municipal)

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to The Dalles, OR (DLS-The Dalles Municipal) cost?
Grab a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to The Dalles, OR (DLS-The Dalles Municipal) 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 Lambert-St. Louis Intl. Airport (STL) to The Dalles, OR (DLS-The Dalles Municipal)?
Flying in is a good way to save, as it's the cheapest month for flights between STL and DLS. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to The Dalles, OR (DLS-The Dalles Municipal)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to DLS. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to The Dalles, OR (DLS-The Dalles Municipal)?
You'll have to catch a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to The Dalles, OR (DLS-The Dalles Municipal). Direct flights don't operate daily 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 STL to DLS?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to The Dalles, OR (DLS-The Dalles Municipal)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to The Dalles, OR (DLS-The Dalles Municipal) route, travel before 3 PM. Departures after this hour 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 Lambert-St. Louis Intl. Airport (STL) to The Dalles, OR (DLS-The Dalles Municipal) last-minute?
Holding off until right before your break to book a flight from STL to DLS often results in higher prices. While it's possible to find some last-minute discounts, there's no guarantee. Be flexible with your itinerary to boost your chances of getting a bargain.
Is it cheaper to book a STL to DLS flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to DLS flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the stress out of travel planning. Just pick your flights and choose from our wide range of hotels, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to The Dalles, OR (DLS-The Dalles Municipal)?
Usually, it's possible to reschedule or cancel your STL to DLS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
The Dalles Municipal
Distance
1635 mi

Book with confidence

Book with confidence

St. Louis to The Dalles Flights

The cheapest times to fly from St. Louis to The Dalles

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

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to The Dalles: 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 St. Louis to The Dalles

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 St. Louis to The Dalles in 2025. 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 St. Louis to The Dalles 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 St. Louis to The Dalles 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.

 

St. Louis to The Dalles Flights

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*Available to One Key members.