Cheap flights from Detroit to Allentown

One-way fares from $321 · DTT → ABE · prices found by travellers in the last 48 hours

Compare all dates Allentown → Detroit
Cheapest fare
$321

Frontier Airlines · Sat, Nov 21

Cheapest month
November

from $321

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 33m

660 km

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Cheapest month to fly from Detroit to Allentown

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

  1. November 2026 Cheapest $321

Cheapest dates in November 2026

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

Frontier Airlines
Depart18:47 Sat, Nov 21DTW → ABE 6h 07m · 2 stops
$321one way, per person
View deal
Frontier Airlines
Depart06:00 Fri, Nov 20DTW → ABE 5h 33m · 1 stop
$381one 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.

Where to stay

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Things to do

Things to do in AllentownTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in AllentownPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in AllentownCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Detroit to Allentown

Detroit (DTT) and Allentown (ABE) are about 660 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 33m. Over the next few months, one-way fares start from $321, 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 Detroit to Allentown?

The cheapest one-way fare we've seen recently is $321 with Frontier Airlines, departing Saturday, November 21, 2026.

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

November 2026 currently has the lowest fares, from $321 one way.

Are there direct flights from Detroit to Allentown?

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

How long is the flight from Detroit to Allentown?

The quickest journey we've seen takes about 5h 33m. Detroit and Allentown are around 660 km apart.

Which airlines fly from Detroit to Allentown?

Recent fares on this route were with Frontier Airlines.

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