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

Delta and Allegiant Air are the most popular carriers operating from Houston to Allentown-Bethlehem

What airlines fly to Allentown?

United Airlines, American Airlines and Frontier 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 62% 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 June 2026, there are 3 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.

$138 Cheap Flights from Houston to Allentown in 2026

Q: What is the typical price of a round-trip flight between Houston and Allentown?

Prices are currently low for flights on this route. Typical prices usually range from $338 to $368. The lowest price recently found on this route was $280.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Allentown

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:23 pm - 1:44 pm

IAH

ABE

17h 21m

1 stop

8:50 pm - 8:45 am

ABE

IAH

12h 55m

1 stop

$280Multiple Airlines

Tue, Aug 4 - Fri, Aug 7

5:41 pm - 12:23 am

IAH

ABE

5h 42m

1 stop

6:01 am - 12:46 pm

ABE

IAH

7h 45m

1 stop

$299American Airlines

Sat, Jul 25 - Sat, Aug 1

1:36 pm - 11:08 pm

IAH

ABE

8h 32m

1 stop

9:36 am - 6:44 pm

ABE

IAH

10h 08m

2 stops

$304American Airlines

Sat, Aug 1 - Sat, Aug 22

10:15 pm - 3:08 pm

IAH

ABE

15h 53m

1 stop

3:00 pm - 7:34 am

ABE

IAH

17h 34m

2 stops

$317Multiple Airlines

Thu, Sep 10 - Sun, Sep 13

8:36 am - 9:37 pm

IAH

ABE

12h 01m

1 stop

2:28 pm - 10:40 am

ABE

IAH

21h 12m

1 stop

$325Multiple Airlines

Thu, Sep 10 - Sun, Sep 13

3:06 pm - 12:23 am

IAH

ABE

8h 17m

1 stop

5:12 pm - 11:51 pm

ABE

IAH

7h 39m

1 stop

$329American Airlines

Fri, Jul 24 - Fri, Jul 31

6:00 am - 12:22 pm

HOU

ABE

5h 22m

1 stop

6:16 am - 12:16 pm

ABE

HOU

7h 00m

1 stop

$379Delta

Tue, Jul 28 - Wed, Aug 5

6:00 am - 12:22 pm

HOU

ABE

5h 22m

1 stop

6:16 am - 12:16 pm

ABE

HOU

7h 00m

1 stop

$413Delta

Tue, Jul 28 - Thu, Aug 6

6:00 am - 12:22 pm

HOU

ABE

5h 22m

1 stop

6:08 pm - 9:50 am

ABE

HOU

16h 42m

1 stop

$418Delta

Tue, Jul 28 - Mon, Aug 3

6:00 am - 12:22 pm

HOU

ABE

5h 22m

1 stop

6:08 pm - 9:50 am

ABE

HOU

16h 42m

1 stop

$482Delta

Tue, Jul 28 - Fri, Aug 7

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American Airlines flights from Houston to Allentown

Our best American Airlines deals on Houston to Allentown flight tickets

American Airlines

Aug 1

IAH1:36 pmHouston George Bush Intcntl

8h 32m

1 stop

ABE11:08 pmAllentown-Bethlehem

Aug 22

ABE9:36 amAllentown-Bethlehem

10h 08m

2 stops

IAH6:44 pmHouston George Bush Intcntl

$304

American Airlines

Jul 24

IAH2:04 pmHouston George Bush Intcntl

9h 19m

2 stops

ABE12:23 amAllentown-Bethlehem

Jul 31

ABE5:12 pmAllentown-Bethlehem

7h 39m

1 stop

IAH11:51 pmHouston George Bush Intcntl

$364

American Airlines

Jul 31

IAH3:06 pmHouston George Bush Intcntl

8h 17m

1 stop

ABE12:23 amAllentown-Bethlehem

Aug 5

ABE9:36 amAllentown-Bethlehem

10h 08m

2 stops

IAH6:44 pmHouston George Bush Intcntl

$369

Delta flights from Houston to Allentown

Our best Delta deals on Houston to Allentown flight tickets

Delta

Aug 1

IAH5:40 amHouston George Bush Intcntl

5h 27m

1 stop

ABE12:07 pmAllentown-Bethlehem

Aug 5

ABE6:08 pmAllentown-Bethlehem

6h 44m

1 stop

IAH11:52 pmHouston George Bush Intcntl

$299

Delta

Jul 28

IAH5:40 amHouston George Bush Intcntl

5h 42m

1 stop

ABE12:22 pmAllentown-Bethlehem

Aug 6

ABE6:08 pmAllentown-Bethlehem

6h 44m

1 stop

IAH11:52 pmHouston George Bush Intcntl

$314

Delta

Jul 27

IAH4:51 pmHouston George Bush Intcntl

5h 17m

1 stop

ABE11:08 pmAllentown-Bethlehem

Aug 7

ABE6:08 pmAllentown-Bethlehem

6h 44m

1 stop

IAH11:52 pmHouston George Bush Intcntl

$329

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonAllentown

IAH - ABE

IAHABE

Houston George Bush Intcntl

Tue 8/4

7:23 pm-1:44 pm

1 stop17h 21m

Allentown-Bethlehem

Fri 8/7

8:50 pm-8:45 am

1 stop12h 55m

$280

HoustonAllentown

IAH - ABE

IAHABE

Houston George Bush Intcntl

Sat 7/25

5:41 pm-12:23 am

1 stop5h 42m

Allentown-Bethlehem

Sat 8/1

6:01 am-12:46 pm

1 stop7h 45m

$299

HoustonAllentown

IAH - ABE

IAHABE

Houston George Bush Intcntl

Sat 8/1

1:36 pm-11:08 pm

1 stop8h 32m

Allentown-Bethlehem

Sat 8/22

9:36 am-6:44 pm

2 stops10h 08m

$304

HoustonAllentown

IAH - ABE

IAHABE

Houston George Bush Intcntl

Thu 9/10

10:15 pm-3:08 pm

1 stop15h 53m

Allentown-Bethlehem

Sun 9/13

3:00 pm-7:34 am

2 stops17h 34m

$317

HoustonAllentown

IAH - ABE

IAHABE

Houston George Bush Intcntl

Thu 9/10

8:36 am-9:37 pm

1 stop12h 01m

Allentown-Bethlehem

Sun 9/13

2:28 pm-10:40 am

1 stop21h 12m

$325

HoustonAllentown

IAH - ABE

IAHABE

Houston George Bush Intcntl

Fri 7/24

3:06 pm-12:23 am

1 stop8h 17m

Allentown-Bethlehem

Fri 7/31

5:12 pm-11:51 pm

1 stop7h 39m

$329

Quickest round-trip

HoustonAllentown

HOU - ABE

HOUABE

Houston Hobby

Tue 7/28

6:00 am-12:22 pm

1 stop5h 22m

Allentown-Bethlehem

Wed 8/5

6:16 am-12:16 pm

1 stop7h 00m

$379

HoustonAllentown

HOU - ABE

HOUABE

Houston Hobby

Tue 7/28

6:00 am-12:22 pm

1 stop5h 22m

Allentown-Bethlehem

Thu 8/6

6:16 am-12:16 pm

1 stop7h 00m

$413

HoustonAllentown

HOU - ABE

HOUABE

Houston Hobby

Tue 7/28

6:00 am-12:22 pm

1 stop5h 22m

Allentown-Bethlehem

Mon 8/3

6:08 pm-9:50 am

1 stop16h 42m

$418

HoustonAllentown

HOU - ABE

HOUABE

Houston Hobby

Tue 7/28

6:00 am-12:22 pm

1 stop5h 22m

Allentown-Bethlehem

Fri 8/7

6:08 pm-9:50 am

1 stop16h 42m

$482

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 typical price of a round-trip flight between Houston and Allentown?

What is the cheapest month to fly to Allentown?

The month of September is, on average, the cheapest month to fly to Allentown from Houston, with most prices found around $128. If you aren’t able to travel to Allentown during the month of September, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $178.

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	5h 27m
Direct flights	None

The fastest flight from Houston to Allentown takes 5h 27m

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

Search flight deals

Frequently asked questions about flying from Houston to Allentown

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 5h 27m.
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 June 2026, there are 3 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 7.1 11,779 reviews	Search American Airlines flights
Delta	PriceFrom $269	Free Cancellation	Rating 7.8 8,451 reviews	Search Delta flights
United Airlines	PriceFrom $289	Free Cancellation	Rating 7.4 9,896 reviews	Search United Airlines 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.