United AirlinesDepart14:23
Sat, Nov 21RKS → PHL
9h 23m · 3 stops
$523one way, per person
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- Cheapest fare
- $523
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 9h 23m
United Airlines · Sat, Nov 21
from $523
Usually 1+ stop
2,840 km
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Cheapest month to fly from Rock Springs to Philadelphia
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 Rock Springs to Philadelphia
Rock Springs (RKS) and Philadelphia (PHL) are about 2,840 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 9h 23m. Over the next few months, one-way fares start from $523, 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 Rock Springs to Philadelphia?
The cheapest one-way fare we've seen recently is $523 with United Airlines, departing Saturday, November 21, 2026.
What is the cheapest month to fly from Rock Springs to Philadelphia?
November 2026 currently has the lowest fares, from $523 one way.
Are there direct flights from Rock Springs to Philadelphia?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Rock Springs to Philadelphia?
The quickest journey we've seen takes about 9h 23m. Rock Springs and Philadelphia are around 2,840 km apart.
Which airlines fly from Rock Springs to Philadelphia?
Recent fares on this route were with United Airlines.
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