American AirlinesDepart19:04
Fri, Nov 6AMA → STL
3h 14m · 1 stop
$168one way, per person
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- Cheapest fare
- $168
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 3h 14m
American Airlines · Fri, Nov 6
from $168
Usually 1+ stop
1,100 km
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Cheapest month to fly from Amarillo to St Louis
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Amarillo to St Louis
Amarillo (AMA) and St Louis (STL) are about 1,100 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 3h 14m. Over the next few months, one-way fares start from $168, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Amarillo to St Louis?
The cheapest one-way fare we've seen recently is $168 with American Airlines, departing Friday, November 6, 2026.
What is the cheapest month to fly from Amarillo to St Louis?
November 2026 currently has the lowest fares, from $168 one way.
Are there direct flights from Amarillo to St Louis?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Amarillo to St Louis?
The quickest journey we've seen takes about 3h 14m. Amarillo and St Louis are around 1,100 km apart.
Which airlines fly from Amarillo to St Louis?
Recent fares on this route were with American Airlines.
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