Cheap Flights from Derry to Philadelphia
No deal from Derry to Philadelphia has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Derry to Philadelphia, the lowest round-trip fare we recorded was $1839, in October. The typical fare was $2193. October was the cheapest month we saw and August the dearest.
The most recent price we saw on this route was $2923 on JetBlue, British Airways, Aer Lingus, and Loganair, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/derry">from Derry</a>, <a href="/to/philadelphia">to Philadelphia</a>, or the return direction <a href="/from/philadelphia/to/derry">Philadelphia to Derry</a>.
Latest price we saw: Derry to Philadelphia
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Derry (LDY) to Philadelphia (PHL) | $2923 | 45.6¢ | Oct 17 – Oct 23 | JetBlue, British Airways, Aer Lingus, and Loganair | Oct 16 | Check price |
Price history: Derry to Philadelphia
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $1839 | $2167 | 4 |
| Sep 2026 | $1901 | $1924 | 2 |
| Aug 2026 | $2304 | $2489 | 7 |
Frequently asked questions
How many flight deals from Derry to Philadelphia are on Sparkflights right now?
There are 0 verified deals from Derry to Philadelphia on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Derry to Philadelphia?
The lowest fare we've recorded from Derry to Philadelphia is $1839, based on 13 price observations over 3 months.
How much does a flight from Derry to Philadelphia cost?
The typical round-trip fare we observed from Derry to Philadelphia is $2193, against a recorded low of $1839. These are observations, not quotes.
When is the cheapest month to fly Derry to Philadelphia?
October was the cheapest month we observed from Derry to Philadelphia and August the dearest, over 3 months of data.
What is the current price from Derry to Philadelphia?
The most recent fare our sweep saw from Derry to Philadelphia is $2923, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.