Cheap Flights from Philadelphia to Bilbao
No deal from Philadelphia to Bilbao has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Philadelphia to Bilbao, the lowest round-trip fare we recorded was $552, in September. The typical fare was $661. September was the cheapest month we saw and August the dearest.
The most recent price we saw on this route was $705 on Discover Airlines, Lufthansa, and United, seen Oct 27. It is an unverified observation and may have changed.
See every deal <a href="/from/philadelphia">from Philadelphia</a>, <a href="/to/bilbao">to Bilbao</a>, or the return direction <a href="/from/bilbao/to/philadelphia">Bilbao to Philadelphia</a>.
Latest price we saw: Philadelphia to Bilbao
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 |
|---|---|---|---|---|---|---|
| Philadelphia (PHL) to Bilbao (BIO) | $705 | 9.7¢ | Nov 16 – Nov 24 | Discover Airlines, Lufthansa, and United | Oct 27 | Check price |
Price history: Philadelphia to Bilbao
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $664 | $685 | 54 |
| Sep 2026 | $552 | $611 | 74 |
| Aug 2026 | $665 | $687 | 91 |
Frequently asked questions
How many flight deals from Philadelphia to Bilbao are on Sparkflights right now?
There are 0 verified deals from Philadelphia to Bilbao on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Philadelphia to Bilbao?
The lowest fare we've recorded from Philadelphia to Bilbao is $552, based on 219 price observations over 3 months.
How much does a flight from Philadelphia to Bilbao cost?
The typical round-trip fare we observed from Philadelphia to Bilbao is $661, against a recorded low of $552. These are observations, not quotes.
When is the cheapest month to fly Philadelphia to Bilbao?
September was the cheapest month we observed from Philadelphia to Bilbao and August the dearest, over 3 months of data.
What is the current price from Philadelphia to Bilbao?
The most recent fare our sweep saw from Philadelphia to Bilbao is $705, on Oct 27. It is an unverified observation rather than a verified deal, so check it before booking.