
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Oregon to St. Louis
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Hawaiian Airlines flights from Oregon to St. Louis
Our best Hawaiian Airlines deals on Oregon to St. Louis flight tickets
Southwest flights from Oregon to St. Louis
Our best Southwest deals on Oregon to St. Louis flight tickets
See travel insights to St. Louis from
How to get the cheapest flight ticket from Oregon to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to St. Louis?
In general, January is the cheapest month to fly from Oregon to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $280. The month of September is another great option to travel to St. Louis, with average flight prices from Oregon averaging around $312.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $366. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $546. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Oregon in the evening is the least expensive time of day to depart. momondo users have found prices as low as $288 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $416 per ticket.
What is the cheapest Oregon to Lambert-St Louis flight route?
Fly from Portland to Lambert-St Louis for the best Oregon - Lambert-St Louis flight prices
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from Oregon when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $380 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Oregon for as low as $271 on momondo.
What cabin class options are available on Oregon to Lambert-St Louis flights?
There are 1 cabin classes available to choose from on Oregon to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Oregon to Lambert-St Louis?
Frontier, United Airlines, and Alaska Airlines are the most popular carriers operating from Oregon to Lambert-St Louis
What airlines fly to St. Louis?
Delta, United Airlines and American Airlines are the top three most popular airlines that fly to St. Louis from Oregon according to our data. Delta is the first choice among our users, with 36% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 6 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
Cheap Oregon to St. Louis flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Oregon to St. Louis
When did momondo last update prices for flights from Oregon to Lambert-St Louis Airport?
Prices for flights from Oregon to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Oregon to Lambert-St Louis Airport?
As of April 2025, there are 6 operators available to choose from for flights from Oregon to Lambert-St Louis Airport.
How old do you have to be to fly from Oregon to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Oregon to St. Louis?
momondo data reveals that the most frequently booked plane model on the route from Oregon to St. Louis is Boeing 737-900, representing 21.43% of all bookings. The subsequent popular models are Airbus A320-100/200 at 21.43%, Boeing 737 MAX 8 at 14.29%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 14.29%.
Best airlines flying from Oregon to St. Louis
Compare and see reviews for airlines that fly from Oregon to St. Louis with momondo
Airline | Rating | Free Cancellation | Price | ||
---|---|---|---|---|---|
PriceFrom $118 | Free Cancellation | Rating 6.0 3,281 reviews | |||
PriceFrom $192 | Free Cancellation | Rating 8.0 7,916 reviews | |||
PriceFrom $198 | Free Cancellation | Rating 7.2 10,000 reviews | |||
PriceFrom $226 | Free Cancellation | Rating 7.4 8,667 reviews | |||
PriceFrom $228 | Free Cancellation | Rating 8.0 9,887 reviews | |||
PriceFrom $252 | Free Cancellation | Rating 8.0 4,280 reviews |
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Oregon to St. Louis?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Oregon to St. Louis for you.
Can I find flights from Oregon to St. Louis with flexible booking policies on momondo?
All flight searches from Oregon to St. Louis on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Oregon to St. Louis?
Once you have performed a search for Oregon to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Oregon to St. Louis right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Oregon to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.