Cheap flights from Washington to Allentown

One-way fares from $229 · WAS → ABE · prices found by travellers in the last 48 hours

Cheapest fare
$229

Frontier Airlines · Wed, Nov 11

Cheapest month
November

from $229

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 36m

230 km

Get a price alert

We'll email you when Washington → Allentown drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $229. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Washington to Allentown

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $229

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart13:56 Wed, Nov 11BWI → ABE 6h 22m · 2 stops
$229one way, per person
View deal
Frontier Airlines
Depart18:07 Sat, Nov 14IAD → ABE 5h 36m · 1 stop
$271one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Allentown

Where to stay, what to do and getting around, from our travel partners.

About flights from Washington to Allentown

Washington (WAS) and Allentown (ABE) are about 230 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 5h 36m. Over the next few months, one-way fares start from $229, 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 Washington to Allentown?

The cheapest one-way fare we've seen recently is $229 with Frontier Airlines, departing Wednesday, November 11, 2026.

What is the cheapest month to fly from Washington to Allentown?

November 2026 currently has the lowest fares, from $229 one way.

Are there direct flights from Washington to Allentown?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Washington to Allentown?

The quickest journey we've seen takes about 5h 36m. Washington and Allentown are around 230 km apart.

Which airlines fly from Washington to Allentown?

Recent fares on this route were with Frontier Airlines.

More cheap flights from Washington

Compare flights to Allentown from other cities →