What is the cheapest airline that flies from Houston to Allentown-Bethlehem?

Delta and American Airlines are the most popular carriers operating from Houston to Allentown-Bethlehem

What airlines fly to Allentown?

United Airlines, Spirit Airlines and American Airlines are the top three most popular airlines that fly to Allentown from Houston according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 6 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Houston to Allentown-Bethlehem Airport?

Prices for flights from Houston to Allentown-Bethlehem Airport are updated daily.

How many operators does momondo search for flights from Houston to Allentown-Bethlehem Airport?

As of December 2025, there are 2 operators available to choose from for flights from Houston to Allentown-Bethlehem Airport.

How old do you have to be to fly from Houston to Allentown-Bethlehem Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Allentown-Bethlehem Airport.

What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

The travel and health documents you'll need for your trip to Allentown-Bethlehem Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Allentown-Bethlehem Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$79 Cheap Flights from Houston to Allentown in 2025/26

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Cheap round-trip flights

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8:13 pm - 1:03 pm

IAH

ABE

15h 50m1 stop

7:49 pm - 10:01 am

ABE

IAH

15h 12m1 stop

$200Multiple Airlines

Wed, Jan 7 - Sat, Jan 10

8:05 pm - 3:15 pm

IAH

ABE

18h 10m2 stops

8:30 am - 7:24 pm

ABE

IAH

11h 54m1 stop

$215Multiple Airlines

Tue, Jan 13 - Sun, Jan 18

8:16 pm - 3:15 pm

IAH

ABE

17h 59m1 stop

8:30 am - 7:24 pm

ABE

IAH

11h 54m1 stop

$218Multiple Airlines

Tue, Jan 13 - Sun, Jan 18

5:46 am - 10:01 pm

IAH

ABE

15h 15m1 stop

3:49 pm - 9:00 am

ABE

IAH

18h 11m1 stop

$235Multiple Airlines

Fri, Jan 30 - Sun, Feb 1

7:45 am - 10:01 pm

IAH

ABE

13h 16m1 stop

6:49 pm - 10:13 am

ABE

IAH

16h 24m1 stop

$236Multiple Airlines

Fri, Jan 30 - Sun, Feb 1

5:45 am - 1:06 pm

HOU

ABE

6h 21m1 stop

5:59 pm - 10:33 pm

ABE

HOU

5h 34m1 stop

$239Delta

Sat, Jan 10 - Tue, Jan 13

1:55 pm - 10:10 pm

IAH

ABE

7h 15m1 stop

5:59 pm - 11:56 pm

ABE

IAH

6h 57m1 stop

$239Delta

Sat, Jan 10 - Tue, Jan 13

8:13 pm - 1:03 pm

IAH

ABE

15h 50m1 stop

7:49 pm - 10:33 am

ABE

IAH

15h 44m2 stops

$240Multiple Airlines

Wed, Jan 7 - Sat, Jan 10

12:16 pm - 9:26 pm

IAH

ABE

8h 10m1 stop

3:13 pm - 9:07 am

ABE

IAH

18h 54m2 stops

$241Multiple Airlines

Fri, Jan 30 - Sun, Feb 1

5:45 am - 12:05 pm

HOU

ABE

5h 20m1 stop

5:59 pm - 10:33 pm

ABE

HOU

5h 34m1 stop

$254Delta

Thu, Jan 8 - Tue, Jan 13

United Airlines flights from Houston to Allentown

Our best United Airlines deals on Houston to Allentown flight tickets

United Airlines

Jan 15

IAH7:20 amHouston George Bush Intcntl

8h 02m

1 stop

ABE4:22 pmAllentown-Bethlehem

Jan 17

ABE6:15 amAllentown-Bethlehem

6h 50m

1 stop

IAH12:05 pmHouston George Bush Intcntl

$394

Find similar

United Airlines

Dec 12

IAH11:57 amHouston George Bush Intcntl

8h 52m

1 stop

ABE9:49 pmAllentown-Bethlehem

Dec 19

ABE2:30 pmAllentown-Bethlehem

7h 58m

1 stop

IAH9:28 pmHouston George Bush Intcntl

$415

Find similar

United Airlines

Jan 22

IAH8:23 amHouston George Bush Intcntl

6h 59m

1 stop

ABE4:22 pmAllentown-Bethlehem

Jan 26

ABE4:57 pmAllentown-Bethlehem

8h 15m

1 stop

IAH12:12 amHouston George Bush Intcntl

$419

Find similar

Delta flights from Houston to Allentown

Our best Delta deals on Houston to Allentown flight tickets

Delta

Jan 10

HOU5:45 amHouston Hobby

6h 21m

1 stop

ABE1:06 pmAllentown-Bethlehem

Jan 13

ABE5:59 pmAllentown-Bethlehem

5h 34m

1 stop

HOU10:33 pmHouston Hobby

$239

Find similar

Delta

Jan 8

HOU5:45 amHouston Hobby

5h 20m

1 stop

ABE12:05 pmAllentown-Bethlehem

Jan 13

ABE5:59 pmAllentown-Bethlehem

5h 34m

1 stop

HOU10:33 pmHouston Hobby

$254

Find similar

Delta

Jan 8

IAH5:30 amHouston George Bush Intcntl

5h 35m

1 stop

ABE12:05 pmAllentown-Bethlehem

Jan 11

ABE5:59 pmAllentown-Bethlehem

6h 57m

1 stop

IAH11:56 pmHouston George Bush Intcntl

$269

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonAllentown

IAH - ABE

IAHABE

Houston George Bush Intcntl

Wed 1/7

8:13 pm-1:03 pm

1 stop15h 50m

Allentown-Bethlehem

Sat 1/10

7:49 pm-10:01 am

1 stop15h 12m

$200

HoustonAllentown

IAH - ABE

IAHABE

Houston George Bush Intcntl

Tue 1/13

8:05 pm-3:15 pm

2 stops18h 10m

Allentown-Bethlehem

Sun 1/18

8:30 am-7:24 pm

1 stop11h 54m

$215

HoustonAllentown

IAH - ABE

IAHABE

Houston George Bush Intcntl

Tue 1/13

8:16 pm-3:15 pm

1 stop17h 59m

Allentown-Bethlehem

Sun 1/18

8:30 am-7:24 pm

1 stop11h 54m

$218

HoustonAllentown

IAH - ABE

IAHABE

Houston George Bush Intcntl

Fri 1/30

5:46 am-10:01 pm

1 stop15h 15m

Allentown-Bethlehem

Sun 2/1

3:49 pm-9:00 am

1 stop18h 11m

$235

HoustonAllentown

IAH - ABE

IAHABE

Houston George Bush Intcntl

Fri 1/30

7:45 am-10:01 pm

1 stop13h 16m

Allentown-Bethlehem

Sun 2/1

6:49 pm-10:13 am

1 stop16h 24m

$236

HoustonAllentown

HOU - ABE

HOUABE

Houston Hobby

Sat 1/10

5:45 am-1:06 pm

1 stop6h 21m

Allentown-Bethlehem

Tue 1/13

5:59 pm-10:33 pm

1 stop5h 34m

$239

HoustonAllentown

IAH - ABE

IAHABE

Houston George Bush Intcntl

Sat 1/10

1:55 pm-10:10 pm

1 stop7h 15m

Allentown-Bethlehem

Tue 1/13

5:59 pm-11:56 pm

1 stop6h 57m

$239

HoustonAllentown

IAH - ABE

IAHABE

Houston George Bush Intcntl

Wed 1/7

8:13 pm-1:03 pm

1 stop15h 50m

Allentown-Bethlehem

Sat 1/10

7:49 pm-10:33 am

2 stops15h 44m

$240

HoustonAllentown

IAH - ABE

IAHABE

Houston George Bush Intcntl

Fri 1/30

12:16 pm-9:26 pm

1 stop8h 10m

Allentown-Bethlehem

Sun 2/1

3:13 pm-9:07 am

2 stops18h 54m

$241

HoustonAllentown

HOU - ABE

HOUABE

Houston Hobby

Thu 1/8

5:45 am-12:05 pm

1 stop5h 20m

Allentown-Bethlehem

Tue 1/13

5:59 pm-10:33 pm

1 stop5h 34m

$254

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Allentown

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Allentown?

The month of April is, on average, the cheapest month to fly to Allentown from Houston, with most prices found around $212. If you aren’t able to travel to Allentown during the month of April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $269.

What is the cheapest day to depart on your flight to Allentown?

The cheapest day to depart from Houston to Allentown is on a Wednesday when prices can be found for as low as $333. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Tuesday is $543.

What is the cheapest time of day to depart on your flight to Allentown?

In the morning is the cheapest time of day to fly from Houston to Allentown when you can find flight prices for as low as $348. Flying to Allentown in the morning is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $393.

Cheap Houston to Allentown flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Allentown

Fastest flight time	4h 56m
Direct flights	None

The fastest flight from Houston to Allentown takes 4h 56m

There are no direct flights from Houston to Allentown. There are no popular flight routes from Houston to Allentown.

Search flight deals

How far is Houston to Allentown-Bethlehem by plane?
A flight from Houston to Allentown-Bethlehem will travel around 1344.6 mi. By plane, this route typically takes 4h 56m.
When did momondo last update prices for flights from Houston to Allentown-Bethlehem Airport?
Prices for flights from Houston to Allentown-Bethlehem Airport are updated daily.
How many operators does momondo search for flights from Houston to Allentown-Bethlehem Airport?
As of December 2025, there are 2 operators available to choose from for flights from Houston to Allentown-Bethlehem Airport.
How old do you have to be to fly from Houston to Allentown-Bethlehem Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The travel and health documents you'll need for your trip to Allentown-Bethlehem Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Allentown-Bethlehem Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Allentown

Compare and see reviews for airlines that fly from Houston to Allentown with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $173	Free Cancellation	Rating 7.2 11,050 reviews		Search American Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 8,008 reviews		Search Delta flights

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Why use momondo?

Why should I use momondo to find a flight deal from Houston to Allentown?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Allentown from Houston.

Can I find flights from Houston to Allentown with flexible booking policies on momondo?

momondo does allow users to show only those flights to Allentown from Houston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Houston to Allentown?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Houston to Allentown.

I’m not ready to book a flight from Houston to Allentown right now. Can momondo alert me if prices change?

Price alerts on flights to Allentown from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.