Question : What is the cheapest day to fly in the next four weeks?
Answer : February 9th offers bookings (as of January 23rd) that are 13% below the average price for this route. Saving on flight costs means you'll have more cash to spend on your trip.
Question : How many days should you spend in Allentown if you're flying in from San Francisco?
Answer : Of course you're not most people, but if you were, you'd stay roughly 11 days.
Question : Is price more important than specific travel days for you?
Answer : For the month of February, the cheapest day to fly is Monday. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.
Question : How often are prices changing for this route?
Answer : Prices for SFO to ABE do fluctuate much more than most. Remember, the sooner you book, the more you're able to save.