Important: This destination may have COVID-19 travel restrictions in place, including specific restrictions for lodging. Check any national, local, and health advisories for this destination before you book.

Cheap flights from Portland (PDX) to St. Louis (STL)

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Lowest round trip fares by airline from Portland and St. Louis

Cheapest prices ($99 One Way, $193 Round Trip) found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Sat, May 22
PDX
Portland
STL
St. Louis
$99
Frontier Airlines
Thu, May 20
PDX
Portland
STL
St. Louis
$102
Frontier Airlines
Sat, Jun 5
PDX
Portland
STL
St. Louis
$105
Spirit Airlines
Thu, Sep 16
PDX
Portland
STL
St. Louis
$119
United
Thu, Sep 16
PDX
Portland
STL
St. Louis
$119
Delta
Thu, May 20 - Sat, May 22
PDX
Portland
STL
St. Louis
$193
Frontier Airlines
Thu, Sep 16 - Sat, Sep 18
PDX
Portland
STL
St. Louis
$223
Bargain Flight
Sat, May 29 - Wed, Jun 16
PDX
Portland
STL
St. Louis
$233
Spirit Airlines
Tue, Sep 14 - Wed, Sep 15
PDX
Portland
STL
St. Louis
$235
American Airlines
Wed, Sep 15 - Fri, Sep 17
PDX
Portland
STL
St. Louis
$237
United

Great Deals On Cheap Hotels in St. Louis

Quality Inn St. Louis Airport Hotel

Quality Inn St. Louis Airport Hotel

2.5 out of 5
10232 Natural Bridge Rd, St. Louis, MO
The price is $69 per night from Jun 13 to Jun 13
Located in Airport Township, this hotel is within 6 mi (10 km) of St. Louis Mercantile Library, Blanche M. Touhill Performing Arts Center, and Holocaust Museum. ...
2.5/5 (2 reviews)
"Awful conditions. Stained sheets, loud neighbors, hallway smelled like marijuana."

Reviewed on Dec 31, 2018

Quality Inn St. Louis Airport Hotel
Airport Plaza Inn and Conference Center

Airport Plaza Inn and Conference Center

2.5 out of 5
4530 N Lindbergh Boulevard, Bridgeton, MO
Get Rates
Located in Airport Township, this hotel is 1.4 mi (2.3 km) from Payne-Gentry Historical House and within 6 mi (10 km) of Hollywood Casino Amphitheatre and St. ...
3/5 (3 reviews)
"Very nice hotel close to downtown St Louis and the zoo and six flags"

Reviewed on Jul 5, 2017

Airport Plaza Inn and Conference Center
Americas Best Value Inn St. Louis Downtown

Americas Best Value Inn St. Louis Downtown

2 out of 5
1100 Lumiere Place Boulevard, St. Louis, MO
The price is $90 per night from Jun 1 to Jun 1
Located in Downtown St. Louis, this motel is within a 10-minute walk of Lumiere Place Casino, Laclede's Landing, and Dome at America’s Center. America's Center ...
3/5 (4 reviews)
Affordable and Near Downtown Attractions
"The staff member/receptionist was excellent and extremely helpful and caring.The hotel is located one block from the best casino in St. Louis. So it was real easy to walk too. No pool, as the price reflected it with being affordable and downtown."

Reviewed on May 29, 2018

Americas Best Value Inn St. Louis Downtown
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Fly From Portland to St. Louis

Origin Portland
Destination St. Louis
Number of Daily Flights
Earliest Flight Departure Date
Latest Flight Departure Date
Popular Airlines

Cheap flights from Portland to St Louis

To get to Portland International Airport (PDX), take the MAX light rail train, or if you want to avoid parking, you can also take a shuttle or a taxi to the airport.

Flights from PDX to Lambert-St. Louis International Airport (STL) usually last for almost four hours. There is a shuttle that heads directly into the downtown area or you can take the MetroLink. It stops at 37 stations. Taxis and rental cars are also an option.

Attractions and Tips

The Gateway Arch is more than just an iconic part of St. Louis, you can actually take a 630-foot ride up to the top to enjoy the views it provides of the city.

If that isn’t thrilling enough, Six Flags St. Louis will get your blood pumping with a variety of different thrill rides, character experiences and shows. Baseball fans need to stop at the Busch Stadium, home to the St. Louis Cardinals. Visit the Ballpark Village, the place to be to experience the city's nightlife.

The average temperature for the year is a little over 57 degrees; however, a couple days a year in the summer, temperatures do rise to 100. In the same way, a couple days during winter will drop to zero degrees. Most of the rainfall for the year falls in May.

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.