- Must visit
Saint Louis Art Museum
Vast art museum in Forest Park with global collections from antiquity to modern works and strong free general admission.
Flights from Portland, OR to St. Louis, MO depart on average 57 times per day, taking around 7h 10m. Cheap flight tickets for this journey start at $106 (€86) if you book in advance.
The earliest flight runs at 00:43, the last at 23:58. The fastest flight covers the 1719 miles (2767 km) distance in 5h 51m. March is the cheapest month to fly.
Distance 1719 miles (2767 km) |
Average flight duration 7h 10m |
Cheapest ticket price $106 (€86) |
Flights per day 57 |
Fastest flight 5h 51m |
First flight 12:43 AM |
Last flight 11:58 PM |
Cheapest Month Mar |
Cheapest Day Mon |
High Season Jan - Mar |
Low Season Jul - Sep |
Cheapest price
$307
Average price
$352
Fastest journey
9 h 21 m
Average duration
9 h 50 m
Flights per day
3
Distance
2767 km
The best way to find a cheap flight ticket from Portland, OR to St. Louis, MO is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Portland, OR to St. Louis, MO will cost around $352 if you buy it on the day, but the cheapest tickets can be found for only $307.
Of the 3 flights that leave Portland, OR for St. Louis, MO onThu, Aug 06, 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Thu, Aug 06 the direct flights cover the 2767 km distance in an average of 9 h 50 m but if you time it right, some flights will get you there in just 9 h 21 m .
On Thu, Aug 06 the longest flights will take 10 h 37 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.






Omio recommends booking the train as it is the most popular option from Portland, OR to St. Louis, MO among Omio's users. If you are prioritising price take the bus with prices starting from $152. For those with little time consider booking a flight which can get you there in 7h 10m. The ticket price range depends on the travel mode: a bus costs an average of $152, and a train costs an average of $235.
Distance: 1719 miles (2767 km)
| Flight | Most popular Train | Bus | Driving |
|---|---|---|---|
$326 Average price | $384 Average price | $300 Average price Cheapest | $412 Average price (fuel + tolls) |
10h 10m Average total duration Fastest 7h 10m Onboard + 3h 0m Additional time* | 59h 43m Average total duration 59h 13m Onboard + 30m Additional time* | 63h 50m Average total duration 63h 20m Onboard + 30m Additional time* | 29h 55m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Portland, OR to St. Louis, MO:
A bus is $26 (€21) less than a flight for this route with tickets for a flight from Portland, OR to St. Louis, MO costing on average $326 (€266).
A bus is $84 (€68) less than a train for this route with tickets for a train from Portland, OR to St. Louis, MO costing on average $384 (€313).
Other travel options to St. Louis, MO take longer:
Train takes on average 59h 13m.
Bus takes on average 63h 20m.
The table below shows live departures for Portland, OR to St. Louis, MO flights for today, Wednesday, August 5. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 8:04 PM Portland, OR | 9h18 | 5:22 AM St. Louis, MO | 0 transfersDirect | |
![]() | 8:23 PM Portland, OR | 6h54 | 3:17 AM St. Louis, MO | 0 transfersDirect | |
![]() | 8:52 PM Portland, OR | 7h07 | 3:59 AM St. Louis, MO | 0 transfersDirect | |
![]() | 10:13 PM Portland, OR | 6h46 | 4:59 AM St. Louis, MO | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare train, bus, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Discover the best of St. Louis, MO — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect St. Louis, MO trip today.
Vast art museum in Forest Park with global collections from antiquity to modern works and strong free general admission.
Leading history museum covering St. Louis, Missouri, and national stories through rotating exhibitions in Forest Park.
Interactive science museum with hands-on exhibits, planetarium, and family-friendly displays near Forest Park.
Lively downtown riverfront district with trails, views of the Arch, public art, and access to major historic sites.
Large urban park with trails, lakes, zoo access, and major museums, ideal for walking between top attractions.
Beloved neighborhood park with formal lily ponds, pavilions, and one of the city's most photographed landscapes.
A thin, cracker-like crust pizza cut into squares and topped with Provel cheese, a St. Louis original loved for its distinct texture and tangy flavor.
Crisp, breaded ravioli said to be born on The Hill, usually served with marinara. It is a signature St. Louis Italian-American appetizer.
Sticky butter cake with a dense base and gooey sweet top. A longtime St. Louis bakery favorite often enjoyed for breakfast or dessert.
Refined contemporary restaurant with tasting menus and strong national acclaim. Elegant fine dining focused on seasonal Midwestern ingredients.
Beloved frozen custard stand serving concretes and sundaes since 1929. Casual, nostalgic, and one of the city's iconic dessert stops.
Popular smokehouse known for St. Louis barbecue, especially ribs, brisket, and pork steak, in a polished but relaxed atmosphere.
Moderate for U.S. city breaks: hotels and dining are reasonable, transit is limited, and attractions often cost less than in larger U.S. tourist cities.
Tip 18-20% at restaurants, $1-2 per drink at bars, and 10-15% for taxis. Cafes often have tip jars or screen prompts.
Find answers to the most common questions about traveling from Portland, OR to St. Louis, MO by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at St. Louis, MO, this guide helps you travel smarter and with confidence.

Most Portland, OR to St. Louis, MO flights use the Portland International Airport to St. Louis Lambert International Airport airport pair. Use this guide to compare Portland, OR and St. Louis, MO airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
Portland International Airport is 8 km from Portland city centre. Public transport options include:
Portland International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food options include: Restaurants in concourses, including Burgerville and Mo's Seafood
Free Wi-Fi available throughout the airport. ATMs are located throughout the airport.
Lost and found is available at the station.
Available at Portland International Airport: Parking, Taxis, WC.
Available at Portland International Airport: Car Rental.
Accessibility facilities are available at Portland International Airport: Ramps, assistance.
Nearby hotels include Hotels nearby, including Sheraton Portland Airport Hotel..
St. Louis Lambert International Airport is 2 km from St. Louis city centre. Public transport options include:
St. Louis Lambert International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food options include: Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
Free Wi-Fi available throughout the airport. ATMs are located in both terminals.
Lost and found is available at the station.
Available at St. Louis Lambert International Airport: Parking, Taxis, WC.
Available at St. Louis Lambert International Airport: Car Rental.
Accessibility facilities are available at St. Louis Lambert International Airport: Elevators, ramps.
Nearby hotels include Hotels nearby, such as Marriott St. Louis Airport within walking distance..
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