- Must visit
Saint Louis Art Museum
Major fine arts museum in Forest Park with collections spanning ancient to modern works. A top cultural stop known for strong European, American, and global holdings.
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Journey information
Overview: Portland, OR to St. Louis, MO flight
USAUSA
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 $105 (€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.
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance 1719 miles (2767 km) |
Average flight duration 7h 10m |
Cheapest ticket price $105 (€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 |
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
The cheapest and fastest flights from Portland, OR to St. Louis, MO
Showing times and prices for Jun 27
Cheapest price
$131
Average price
$299
Fastest journey
6 h 49 m
Average duration
7 h 45 m
Flights per day
5
Distance
2767 km
Cheap tickets
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 $299 if you buy it on the day, but the cheapest tickets can be found for only $131.
Fast flights
Of the 5 flights that leave Portland, OR for St. Louis, MO onSat, Jun 27, 5 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sat, Jun 27 the direct flights cover the 2767 km distance in an average of 7 h 45 m but if you time it right, some flights will get you there in just 6 h 49 m .
On Sat, Jun 27 the longest flights will take 9 h 6 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.
7:35 AM7h06Portland, OR2:41 PMSt. Louis, MO$1311One-way0 transfers- 5:44 AM8h51Portland, OR2:35 PMSt. Louis, MO$1781One-way0 transfers
- 7:59 AM9h06Portland, OR5:05 PMSt. Louis, MO$2461One-way0 transfers
- 6:59 AM6h52Portland, OR1:51 PMSt. Louis, MO$3191One-way0 transfers
- 10:10 PM6h49Portland, OR4:59 AMSt. Louis, MO$6231One-way0 transfers
- 10:10 PM6h49Portland, OR4:59 AMSt. Louis, MO$6231One-way0 transfers
- 6:59 AM6h52Portland, OR1:51 PMSt. Louis, MO$3191One-way0 transfers
- 7:35 AM7h06Portland, OR2:41 PMSt. Louis, MO$1311One-way0 transfers
- 5:44 AM8h51Portland, OR2:35 PMSt. Louis, MO$1781One-way0 transfers
- 7:59 AM9h06Portland, OR5:05 PMSt. Louis, MO$2461One-way0 transfers
Travel Information
Compare train, bus, and flight for Portland, OR to St. Louis, MO
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 $151. 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 $151, and a train costs an average of $234.
Distance: 1719 miles (2767 km)
Compare flight with
| Flight | Most popular Train | Bus | Driving |
|---|---|---|---|
$325 Average price | $382 Average price | $299 Average price Cheapest | $410 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 |
The cheapest way to travel from Portland, OR to St. Louis, MO is a bus with an average price of $299 (€245).
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 $325 (€266).
A bus is $83 (€68) less than a train for this route with tickets for a train from Portland, OR to St. Louis, MO costing on average $382 (€313).
The fastest way to travel from Portland, OR to St. Louis, MO is by flight with an average journey time of 7h 10m.
Other travel options to St. Louis, MO take longer:
Train takes on average 59h 13m.
Bus takes on average 63h 20m.
It's helpful to compare your options as there are 3 ways to travel between Portland, OR and St. Louis, MO including taking a train, bus, and flight.
We recommend using the train as it is the most popular way to get from Portland, OR to St. Louis, MO among Omio's users.
Live departures
Portland, OR to St. Louis, MO flight times
The table below shows live departures for Portland, OR to St. Louis, MO flights for today, Saturday, June 20. You can also manually refresh the results below to see updated flight journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 9:06 PM Portland, OR | 6h52 | 3:58 AM St. Louis, MO | 0 transfersDirect | |
 | 9:45 PM Portland, OR | 7h14 | 4:59 AM St. Louis, MO | 0 transfersDirect | |
| 10:50 PM Portland, OR | 7h09 | 5:59 AM St. Louis, MO | 0 transfersDirect | |
| Sunday, June 21 | |||||
| 5:44 AM Portland, OR | 8h51 | 2:35 PM St. Louis, MO | 0 transfersDirect | |
| 6:59 AM Portland, OR | 6h52 | 1:51 PM St. Louis, MO | 0 transfersDirect | |
| 7:35 AM Portland, OR | 7h06 | 2:41 PM St. Louis, MO | 0 transfersDirect | |
| 7:59 AM Portland, OR | 9h06 | 5:05 PM St. Louis, MO | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Portland, OR to St. Louis, MO by train, bus, or flight
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.
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Why should you book Portland, OR to St. Louis, MO flights with Omio?
American Airlines operates all flights services from Portland, OR to St. Louis, MO.
Omio is an official ticket reseller for all your travel options from Portland, OR to St. Louis, MO.
Why book with Omio vs American Airlines?
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare American Airlines with all available travel options, which are train, bus and flight to ensure you get the best deal for traveling from Portland, OR to St. Louis, MO.
Why book with Omio over Trip, Edreams or Skyscanner?
- Multiple modes of transport: Omio allows you to compare travel options including train, bus and flight to find the ideal travel option from Portland, OR to St. Louis, MO.
Airlines: American Airlines from Portland, OR to St. Louis, MOFind the best flights between Portland, OR to St. Louis, MO with Omio's travel partners American Airlines from $105 (€86). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
American Airlines
About
American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.
Luggage & cancellation policy
Average Duration
6h 30m
Cheapest Price
$105 (€86)
American Airlines frequency
22 a day
Luggage included
1 carry-on bag (22 x 14 x 9 inches) and 1 personal item (18 x 14 x 8 inches) included in most fares
Additional luggage
Checked bags fees vary by route. First checked bag typically $30, second $40 on domestic flights
Cancellation Policy
Basic Economy tickets cannot be changed or refunded. Other fares allow changes with fee, refunds subject to fare rules.
Pregnant on board
Passengers can fly up to 36 weeks for single pregnancies, 32 weeks for multiple pregnancies. Medical certificate required within 7 days of departure if within 4 weeks of due date.
Unaccompagned minor
Children ages 5-14 can travel alone using American Airlines Unaccompanied Minor Service. Service fee is $150 each way.
Amenities on board the airplane
Wifi
Food sold onboard
USB plugs
Accessibility
American Airlines provides wheelchair assistance and special services for passengers with disabilities. Assistance must be requested at least 48 hours before departure.
Pets
Small dogs and cats allowed in cabin for $125 fee. Must be in approved carrier under seat. Service animals allowed.
Entertaiment on board
Complete guide to St. Louis
Things to do in St. Louis
Discover the best of St. Louis — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect St. Louis trip today.
- Must visit
City Museum
Highly original museum and artist-built environment with architectural salvage, tunnels, slides, and installations. One of the city’s most distinctive and widely shared attractions.
- Recommended
Missouri History Museum
History museum in Forest Park covering St. Louis, Missouri, and regional stories through permanent and rotating exhibitions. Well suited for visitors wanting local context.
- Must visit
Forest Park
One of the largest urban parks in the United States, home to major institutions, lakes, trails, and broad green spaces. Essential for first-time visitors.
- Must visit
Gateway Arch National Park Grounds
Riverfront grounds around the Arch with lawns, paths, and strong skyline views, useful for walking and iconic photos.
- Recommended
The Delmar Loop
Lively entertainment and walking district known for music venues, public art, shops, and the St. Louis Walk of Fame.
- Vegetarian
St. Louis-Style Pizza
A local pizza style with a very thin, cracker-like crust, cut into squares and traditionally topped with Provel cheese. It is one of the city’s signature foods.
Toasted Ravioli
Breaded and fried meat- or cheese-filled ravioli, usually served with marinara sauce. This St. Louis Italian-American specialty is strongly associated with The Hill neighborhood.
- Vegetarian
Gooey Butter Cake
A rich, dense cake with a buttery base and sweet cream cheese-like topping. It is one of the most famous desserts identified with St. Louis.
Charlie Gitto's On The Hill
A long-established Italian restaurant on The Hill, known for classic red-sauce dishes, toasted ravioli, and an old-school fine dining feel.
Ted Drewes Frozen Custard
An iconic St. Louis custard stand famous for thick concretes and nostalgic roadside charm. A must for trying the city’s best-known frozen treat.
Sidney Street Cafe
A respected contemporary American restaurant known for refined cooking, strong wine service, and a polished neighborhood setting.
United States Dollar
Generally moderate by U.S. standards. Hotels and attractions are often reasonable, while dining costs vary by neighborhood and venue.
Average meal costs
- Budget
- USD 10-18 for fast food or casual spots.
- Mid-range
- USD 20-40 per person at a mid-range restaurant.
- Fine dining
- USD 70+ per person before drinks and tip.
- Coffee
- USD 3-6 for regular coffee or a latte.
Tipping culture
Tip 18-20% at restaurants. Tip USD 1-2 per drink at bars, round up taxis, and tip hotel staff and delivery drivers.
FAQs: Portland, OR to St. Louis, MO Flight
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.
Cheap plane tickets from Portland, OR to St. Louis, MO can start from as little as $105 (€86) when you book in advance. The average flight ticket price for Portland, OR to St. Louis, MO is $325 (€266) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from Portland, OR to St. Louis, MO is 5h 51m to travel the 1719 miles (2767 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from Portland, OR to St. Louis, MO leaves at 12:43 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Portland, OR to St. Louis, MO leaves at 11:58 PM.
There are 57 flights a day from Portland, OR to St. Louis, MO which require at least one change with American Airlines. Schedules can vary on holidays or weekends with fewer flights.
When taking a flight from Portland, OR to St. Louis, MO, you can count on American Airlines for the best way to get you to St. Louis, MO. You can also check all possible airlines who offer a service between Portland, OR and St. Louis, MO and compare the amenities they offer before buying a plane ticket.
Flights from Portland, OR to St. Louis, MO generally leave from Portland International Airport and arrive in St. Louis Lambert International Airport.Portland International Airport is 4 miles (8 km) away from Portland, OR city centre and St. Louis Lambert International Airport is 1 miles (2 km) from St. Louis, MO city centre.
The cheapest month for a flight from Portland, OR to St. Louis, MO is March.
It's helpful to compare your options as there are 3 ways to travel between Portland, OR and St. Louis, MO including taking a train, bus, and flight.
Since neither Portland, OR nor St. Louis, MO are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is a time difference of 2 h between Portland, OR and St. Louis, MO all year round.
The best events to attend in St. Louis, MO include:
- St. Louis Mardi Gras, a vibrant celebration featuring parades, live music, and festive activities in the Soulard neighborhood
- St. Louis Art Fair, an annual event showcasing local and national artists with art exhibits, live performances, and culinary delights
- Fair St. Louis, a multi-day Independence Day festival with fireworks, concerts, and family-friendly activities along the Gateway Arch.
The best holidays to experience in St. Louis, MO include:
- Independence Day, vibrant fireworks and festive celebrations throughout the city
- Labor Day, pleasant weather and various outdoor activities
- Thanksgiving, a time for family gatherings with a charming autumn atmosphere.
The best season to visit St. Louis, MO is Spring or Fall. The best weather to explore St. Louis, MO is during April-May or September-October.
We recommend using the train as it is the most popular way to get from Portland, OR to St. Louis, MO among Omio's users.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.
The currency used in the United States is the US Dollar (USD). For travelers, using cards is generally more convenient and widely accepted, especially credit and debit cards, while cash is useful for small purchases or places that do not accept cards.
In St. Louis, MO, travelers should be cautious in certain neighborhoods with higher crime rates, especially after dark. Common safety concerns include petty theft, pickpocketing, and occasional scams targeting visitors near popular attractions like the Gateway Arch. It’s advisable to stay in well-populated areas, avoid displaying valuables openly, and use reputable transportation services to minimize risks.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.
popular airports
Popular airports from Portland, OR to St. Louis, MO
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.
Departure airports in Portland
Arrival airports in St. Louis
Which Portland, OR airport do flights to St. Louis, MO leave from?
Flights from Portland, OR to St. Louis, MO depart from Portland International Airport. The airport is 4 miles (8 km) from Portland, OR city centre at 7000 NE Airport Way, Portland, OR 97218, USA.
Portland International Airport (PDX)7000 NE Airport Way, Portland, OR 97218, USA
City-centre transport
Getting to Portland International Airport from Portland city centre
Portland International Airport is 8 km from Portland city centre. Public transport options include:
BusCentral Oregon Breeze · 30m · $55
12, 292 · 53m · $7 · every ~8 min
292 · 53m · $4
TramMAX Red Line · 30m · $4 · every ~8 min
MAX Red Line · 34m · $4 · every ~8 min
MAX Red Line · 36m · $4 · every ~8 min
Portland International Airport airport facilities and services
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 and drink
Food options include: Restaurants in concourses, including Burgerville and Mo's Seafood
Wi-Fi and ATMs
Free Wi-Fi available throughout the airport. ATMs are located throughout the airport.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Portland International Airport: Parking, Taxis, WC.
Bike and car services
Available at Portland International Airport: Car Rental.
Accessibility
Accessibility facilities are available at Portland International Airport: Ramps, assistance.
Shops, hotels and contact
Nearby hotels include Hotels nearby, including Sheraton Portland Airport Hotel..
Which St. Louis, MO airport do flights from Portland, OR arrive at?
Flights from Portland, OR to St. Louis, MO arrive at St. Louis Lambert International Airport. St. Louis Lambert International Airport is 1 miles (2 km) from St. Louis, MO city centre.
St. Louis Lambert International Airport (STL)10701 Lambert Intertiol Blvd, St. Louis, MO 63145, USA
City-centre transport
Getting to St. Louis Lambert International Airport from St. Louis city centre
St. Louis Lambert International Airport is 2 km from St. Louis city centre. Public transport options include:
TrainMlr · 31m · $4 · every ~7 min
BusGreyhound US1210 · 25m · $2
St. Louis Lambert International Airport airport facilities and services
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 and drink
Food options include: Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
Wi-Fi and ATMs
Free Wi-Fi available throughout the airport. ATMs are located in both terminals.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at St. Louis Lambert International Airport: Parking, Taxis, WC.
Bike and car services
Available at St. Louis Lambert International Airport: Car Rental.
Accessibility
Accessibility facilities are available at St. Louis Lambert International Airport: Elevators, ramps.
Shops, hotels and contact
Nearby hotels include Hotels nearby, such as Marriott St. Louis Airport within walking distance..
Most popular flights from Portland, OR
More options for your journey from Portland, OR to St. Louis, MO
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Most popular flights to St. Louis, MO
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