Portland, OR to St. Louis Flights
Everything you need to know about the PDX → STL domestic route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.
✈️ Route Overview
Key facts for the Portland, OR to St. Louis route
🛫 Airlines on This Route
Carriers operating PDX → STL flights
| Airline | Notes |
|---|---|
| Delta | SkyMiles frequent flyer program |
| American Airlines | AAdvantage frequent flyer program |
| United | MileagePlus frequent flyer program |
| Southwest | Rapid Rewards — bags fly free |
| Alaska Airlines | Mileage Plan — generous earning rates |
| JetBlue | TrueBlue — free snacks, above-average legroom |
💡 Booking Tips
How to get the best deal on Portland, OR to St. Louis flights
Best Days to Fly
Midweek departures (Tuesday–Thursday) are generally least expensive
Fare Range
$100-$480 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.
Red-Eye Flights
✓ Available
Overnight flights on this route can save on hotel costs and maximize your time at the destination.
Track Your Flight
Once booked, TripTrack automatically imports your flight from your confirmation email. Real-time gate changes and delay alerts — no manual entry needed.
🧳 Travel Tips for This Route
Practical advice from frequent travelers on the PDX → STL route
- 1 Delta One and United Polaris offer lie-flat seats on some transcontinental routes.
- 2 Bring noise-cancelling headphones for long-haul domestic flights.
🏢 Airport Guides
Full terminal, transit, and traveler info for both airports
Track Your PDX → STL Flight — Automatically
TripTrack monitors your flight in real time — gate changes, delays, and departure updates sent to your phone the moment they happen. Connect your Gmail once and your trips appear automatically. No manual entry.
Frequently Asked Questions — Portland, OR to St. Louis Flights
How long is the flight from Portland, OR to St. Louis?
The average flight time from Portland, OR (PDX) to St. Louis (STL) is 3h 55m. This is an estimate including taxi, climb, and descent time — actual flight time may vary based on winds and routing.
Which airlines fly from Portland, OR to St. Louis?
Airlines operating the PDX to STL route include Delta, American Airlines, United and 3 more. Check each airline's website for current schedules and availability.
How far is Portland, OR from St. Louis?
The great-circle distance from Portland, OR to St. Louis is 1,704 miles (2,742 km). This is the straight-line distance — actual flight paths may be slightly longer.
What are the cheapest days to fly from Portland, OR to St. Louis?
Midweek departures (Tuesday–Thursday) are generally least expensive. Fares on this route typically range $100-$480 round trip.
Is there a time zone change flying from Portland, OR to St. Louis?
Yes — there is a +2 hours when flying from Portland, OR to St. Louis. TripTrack automatically shows local times for both your departure and arrival airports.
Are there red-eye flights from Portland, OR to St. Louis?
Yes, overnight (red-eye) flights are available on the PDX to STL route. These can be a great way to save on hotel costs and maximize time at your destination.
How can I track my Portland, OR to St. Louis flight in real time?
TripTrack automatically tracks your PDX to STL flight — showing real-time gate changes, delays, and departure updates. Connect your Gmail once and your booking confirmation is imported automatically. Available free on iOS and Android.