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

Delta and American Airlines are the most popular carriers operating from Houston George Bush Intcntl 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 George Bush Intcntl Airport according to our data. United Airlines is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 5 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 George Bush Intcntl Airport to Allentown-Bethlehem Airport?

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

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

As of October 2026, there are 3 operators available to choose from for flights from Houston George Bush Intcntl Airport to Allentown-Bethlehem Airport.

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

The travel and health documents required for your trip to Allentown-Bethlehem Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Allentown-Bethlehem Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$148 Cheap Flights from Houston George Bush Intcntl Airport to Allentown in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston George Bush Intcntl Airport to Allentown

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:21 pm - 8:50 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

27h 29m1 stop Orlando

4:36 pm - 8:55 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

29h 19m1 stop Orlando

$224Multiple Airlines

Wed, Nov 4 - Mon, Nov 9

4:21 pm - 8:50 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

27h 29m1 stop Orlando

12:00 pm - 8:55 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

9h 55m1 stop Orlando Sanford Intl

$231Multiple Airlines

Wed, Nov 4 - Tue, Nov 10

4:21 pm - 11:45 amIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

18h 24m1 stop Orlando

6:00 am - 10:13 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

41h 13m2 stops Orlando Sanford Intl Atlanta Hartsfield-Jackson

$232Multiple Airlines

Wed, Nov 4 - Mon, Nov 9

5:55 am - 12:04 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

5h 09m1 stop Atlanta Hartsfield-Jackson

6:30 am - 11:06 amABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

5h 36m1 stop Atlanta Hartsfield-Jackson

$349Delta

Wed, Jan 20 - Tue, Jan 26

5:55 am - 12:04 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

5h 09m1 stop Atlanta Hartsfield-Jackson

1:00 pm - 5:40 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

5h 40m1 stop Atlanta Hartsfield-Jackson

$349Delta

Sat, Jan 23 - Tue, Jan 26

5:55 am - 12:04 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

5h 09m1 stop Atlanta Hartsfield-Jackson

6:30 am - 11:06 amABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

5h 36m1 stop Atlanta Hartsfield-Jackson

$349Delta

Sat, Jan 23 - Wed, Jan 27

9:11 am - 5:41 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

7h 30m1 stop Chicago O'Hare Intl

5:37 am - 1:30 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

8h 53m1 stop Chicago O'Hare Intl

$364American Airlines

Tue, Nov 10 - Tue, Nov 17

3:00 pm - 12:21 amIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

8h 21m1 stop Charlotte Douglas

7:35 am - 2:07 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

7h 32m1 stop Charlotte Douglas

$364American Airlines

Fri, Dec 11 - Tue, Dec 15

1:40 pm - 9:02 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

6h 22m1 stop Chicago O'Hare Intl

5:36 pm - 10:53 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

6h 17m1 stop Chicago O'Hare Intl

$484United Airlines

Sat, Nov 7 - Wed, Nov 11

8:24 am - 4:45 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

7h 21m1 stop Chicago O'Hare Intl

6:00 am - 1:32 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

8h 32m1 stop Chicago O'Hare Intl

$489United Airlines

Wed, Jan 13 - Fri, Jan 15

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Delta flights from Houston George Bush Intcntl Airport to Allentown

Our best Delta deals on Houston George Bush Intcntl Airport to Allentown flight tickets

Delta

Jan 20

IAH5:55 amHouston George Bush Intcntl

5h 09m

1 stop

ABE12:04 pmAllentown-Bethlehem

Jan 27

ABE1:00 pmAllentown-Bethlehem

5h 40m

1 stop

IAH5:40 pmHouston George Bush Intcntl

$349

Delta

Oct 24

IAH2:22 pmHouston George Bush Intcntl

6h 57m

1 stop

ABE10:19 pmAllentown-Bethlehem

Oct 26

ABE6:03 pmAllentown-Bethlehem

6h 52m

1 stop

IAH11:55 pmHouston George Bush Intcntl

$444

Delta

Oct 17

IAH9:40 amHouston George Bush Intcntl

6h 36m

1 stop

ABE5:16 pmAllentown-Bethlehem

Oct 18

ABE6:39 amAllentown-Bethlehem

5h 19m

1 stop

IAH10:58 amHouston George Bush Intcntl

$1,359

American Airlines flights from Houston George Bush Intcntl Airport to Allentown

Our best American Airlines deals on Houston George Bush Intcntl Airport to Allentown flight tickets

American Airlines

Oct 23

IAH5:51 pmHouston George Bush Intcntl

5h 37m

1 stop

ABE12:28 amAllentown-Bethlehem

Nov 3

ABE5:37 amAllentown-Bethlehem

8h 53m

1 stop

IAH1:30 pmHouston George Bush Intcntl

$409

American Airlines

Oct 23

IAH2:41 pmHouston George Bush Intcntl

6h 31m

1 stop

ABE10:12 pmAllentown-Bethlehem

Nov 3

ABE5:37 amAllentown-Bethlehem

8h 54m

2 stops

IAH1:31 pmHouston George Bush Intcntl

$414

American Airlines

Oct 27

IAH9:09 amHouston George Bush Intcntl

7h 46m

1 stop

ABE5:55 pmAllentown-Bethlehem

Oct 31

ABE6:47 pmAllentown-Bethlehem

6h 49m

1 stop

IAH12:36 amHouston George Bush Intcntl

$439

momondo Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Allentown that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Wed 11/4

4:21 pm-8:50 pm

1 stop27h 29m

Allentown-Bethlehem

Mon 11/9

4:36 pm-8:55 pm

1 stop29h 19m

$224

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Wed 11/4

4:21 pm-8:50 pm

1 stop27h 29m

Allentown-Bethlehem

Tue 11/10

12:00 pm-8:55 pm

1 stop9h 55m

$231

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Wed 11/4

4:21 pm-11:45 am

1 stop18h 24m

Allentown-Bethlehem

Mon 11/9

6:00 am-10:13 pm

2 stops41h 13m

$232

Quickest round-trip

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Wed 1/20

5:55 am-12:04 pm

1 stop5h 09m

Allentown-Bethlehem

Tue 1/26

6:30 am-11:06 am

1 stop5h 36m

$349

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Sat 1/23

5:55 am-12:04 pm

1 stop5h 09m

Allentown-Bethlehem

Tue 1/26

1:00 pm-5:40 pm

1 stop5h 40m

$349

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Sat 1/23

5:55 am-12:04 pm

1 stop5h 09m

Allentown-Bethlehem

Wed 1/27

6:30 am-11:06 am

1 stop5h 36m

$349

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Tue 11/10

9:11 am-5:41 pm

1 stop7h 30m

Allentown-Bethlehem

Tue 11/17

5:37 am-1:30 pm

1 stop8h 53m

$364

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Fri 12/11

3:00 pm-12:21 am

1 stop8h 21m

Allentown-Bethlehem

Tue 12/15

7:35 am-2:07 pm

1 stop7h 32m

$364

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Sat 11/7

1:40 pm-9:02 pm

1 stop6h 22m

Allentown-Bethlehem

Wed 11/11

5:36 pm-10:53 pm

1 stop6h 17m

$484

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Wed 1/13

8:24 am-4:45 pm

1 stop7h 21m

Allentown-Bethlehem

Fri 1/15

6:00 am-1:32 pm

1 stop8h 32m

$489

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 George Bush Intcntl Airport 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 October is, on average, the cheapest month to fly to Allentown from Houston George Bush Intcntl Airport, with most prices found around $308. If you aren’t able to travel to Allentown during the month of October, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $308.

When to book flights from Houston George Bush Intcntl Airport to Allentown

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Allentown according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Allentown (IAH to ABE) flight deals and tips

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

Best Price Found	$148
Fastest flight time	4h 58m
Direct flights	None

The best one-way flight to Allentown from Houston George Bush Intcntl Airport in the past 72 hours is $148. The best round-trip flight deal from Houston George Bush Intcntl Airport to Allentown found on momondo in the last 72 hours is $224.

The fastest flight from Houston George Bush Intcntl Airport to Allentown takes 4h 58m

There are no direct flights from Houston George Bush Intcntl Airport to Allentown. There are no popular flight routes from Houston George Bush Intcntl Airport to Allentown.

Search flight deals

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Allentown

How far is Houston George Bush Intcntl to Allentown-Bethlehem by plane?
The distance between Houston George Bush Intcntl and Allentown-Bethlehem is about 1333.5 mi. A reasonable flight in good conditions will take 4h 58m.
When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Allentown-Bethlehem Airport?
Prices for flights from Houston George Bush Intcntl Airport to Allentown-Bethlehem Airport are updated daily.
How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Allentown-Bethlehem Airport?
As of October 2026, there are 3 operators available to choose from for flights from Houston George Bush Intcntl Airport to Allentown-Bethlehem Airport.
How old do you have to be to fly from Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The travel and health documents required for your trip to Allentown-Bethlehem Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Allentown-Bethlehem Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Houston George Bush Intcntl Airport to Allentown?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Houston George Bush Intcntl Airport to Allentown is American Airlines (38% of total bookings). The next most popular airlines are Delta (33%) and United Airlines (29%).

Best airlines flying from Houston George Bush Intcntl Airport to Allentown

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Allentown with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $282	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
United Airlines	PriceFrom $289	Free Cancellation	Rating 7.4 10,362 reviews	Search United Airlines flights
American Airlines	PriceFrom $302	Free Cancellation	Rating 7.0 12,165 reviews	Search American Airlines flights

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to Allentown for you.

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

All flight searches from Houston to Allentown on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Allentown from Houston.

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

If you are simply researching potential flights to Allentown, momondo offers a useful price alert feature which will track prices for flights to Allentown from Houston and alert you when they change.