Cheap Flights from St. Louis (STL) to Phnom Penh (PNH)

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Frequently asked questions

Is it cheaper to buy a plane ticket from Lambert Field to Phnom Penh Airport last minute?
Booking your journey from STL to Phnom Penh Airport at the last minute could save you some dough if you luck out and find a real steal. However, airfares usually don't get cheaper closer to the departure date. If you wait around, flights could also be booked out or the best seats long gone. If you'd rather play it safe, book well in advance of when you want to leave. In fact, Expedia has some of the biggest deals up to a year in advance. If your preferred airline hasn't released tickets yet, check back regularly as offers are constantly updated on Expedia.
What airports do you fly into for Phnom Penh from St. Louis?
St. Louis to Phnom Penh flights arrive at Phnom Penh Intl. Airport (PNH). Settle in to your hotel and then head out and explore some of the city's favorite sights, such as Royal Palace and Riverside. The airport is about 10 kilometers west of the heart of Phnom Penh.
Can I change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Phnom Penh Intl. Airport (PNH)?
It's a snap to make changes to your Lambert-St. Louis Intl. Airport (STL) to PNH trip yourself. Log in to the Expedia Trips portal and hit "change flight." Look around for new flights and secure the one that better fits your plans. You'll get an estimate of applicable flight change costs. You can also use our Customer Service portal to connect with our Virtual Agent and get answers to all your questions.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Phnom Penh Intl.
Distance
14120 km

Book with confidence

St. Louis to Phnom Penh Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from St. Louis to Phnom Penh offer the perfect respite. Not only does exploring Phnom Penh provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from St. Louis to Phnom Penh may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Phnom Penh are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Phnom Penh more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Phnom Penh is now!

St. Louis to Phnom Penh Flights

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