Cheap Flights from St. Louis (STL) to Moses Lake (MWH)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Moses Lake, WA (MWH-Grant County Intl.)

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Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Moses Lake, WA (MWH-Grant County Intl.) cost?
Secure a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Moses Lake, WA (MWH-Grant County Intl.) 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 Lambert-St. Louis Intl. Airport (STL) to Moses Lake, WA (MWH-Grant County Intl.)?
Traveling in is a great way to save, as it's the cheapest month for flights between STL and MWH. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Moses Lake, WA (MWH-Grant County Intl.)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from STL to MWH. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Moses Lake, WA (MWH-Grant County Intl.)?
You'll have to hop on a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Moses Lake, WA (MWH-Grant County Intl.). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from STL to MWH?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, carrier 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 Moses Lake, WA (MWH-Grant County Intl.)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Moses Lake, WA (MWH-Grant County Intl.) route, 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 Lambert-St. Louis Intl. Airport (STL) to Moses Lake, WA (MWH-Grant County Intl.) last-minute?
Holding off until right before your break to book your flight from STL to MWH generally means paying more. Although you may find some last-minute discounts, there's no guarantee. Keep your travel schedule open for a better chance of scoring a bargain.
Is it cheaper to book a STL to MWH flight and hotel package?
You'll typically save money by securing a STL to MWH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've selected your ideal flights and accommodations, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Moses Lake, WA (MWH-Grant County Intl.)?
You can usually cancel or reschedule your STL to MWH flight. However, if it's been more than 24 hours since booking, additional charges 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

Origin airport
Lambert-St. Louis Intl.
Destination airport
Grant County Intl.
Distance
1564 mi

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St. Louis to Moses Lake Flights

The cheapest times to fly from St. Louis to Moses Lake

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

 

The best time to book a flight from St. Louis to Moses Lake

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

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 Moses Lake 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 Moses Lake 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 Moses Lake 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 Moses Lake Flights

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*Available to One Key members.