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

American Airlines and Delta 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 68% 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 August 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.

$136 Cheap Flights from Houston George Bush Intcntl Airport to Allentown in 2026

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.

6:30 am - 3:41 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

8h 11m1 stop Denver Intl

6:18 pm - 3:24 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

22h 06m1 stop Fort Lauderdale

$255Multiple Airlines

Mon, Aug 31 - Mon, Aug 31

6:28 am - 2:10 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

30h 42m2 stops Atlanta Hartsfield-Jackson Orlando

8:59 pm - 9:25 amABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

13h 26m1 stop Orlando Sanford Intl

$264Multiple Airlines

Wed, Sep 9 - Fri, Sep 11

4:39 pm - 10:28 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

28h 49m1 stop Orlando

1:58 pm - 3:06 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

26h 08m1 stop Fort Lauderdale

$271Multiple Airlines

Thu, Oct 29 - Sun, Nov 8

4:18 pm - 11:25 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

6h 07m1 stop Charlotte Douglas

6:44 pm - 11:59 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

6h 15m1 stop Chicago O'Hare Intl

$309American Airlines

Tue, Oct 13 - Sat, Oct 17

2:22 pm - 10:29 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

7h 07m1 stop Atlanta Hartsfield-Jackson

6:03 pm - 11:55 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

6h 52m1 stop Atlanta Hartsfield-Jackson

$309Delta

Tue, Oct 13 - Tue, Oct 20

5:39 am - 12:04 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

5h 25m1 stop Atlanta Hartsfield-Jackson

12:53 pm - 5:51 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

5h 58m1 stop Atlanta Hartsfield-Jackson

$309Delta

Sat, Nov 14 - Sat, Dec 12

7:00 am - 5:41 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

9h 41m2 stops Dallas/Fort Worth Chicago O'Hare Intl

6:15 pm - 11:57 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

6h 42m1 stop Chicago O'Hare Intl

$314American Airlines

Sat, Nov 14 - Sat, Dec 12

5:24 pm - 12:20 amIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

5h 56m1 stop Charlotte Douglas

2:25 pm - 7:24 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

5h 59m1 stop Charlotte Douglas

$324American Airlines

Sun, Sep 13 - Sat, Sep 19

8:21 am - 5:08 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

7h 47m1 stop Chicago O'Hare Intl

5:43 pm - 12:30 amABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

7h 47m1 stop Chicago O'Hare Intl

$462United Airlines

Tue, Sep 29 - Sat, Oct 3

8:25 am - 5:00 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

7h 35m1 stop Chicago O'Hare Intl

6:01 pm - 12:27 amABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

7h 26m1 stop Chicago O'Hare Intl

$464United Airlines

Tue, Sep 1 - Sat, Sep 5

Cheap last minute flights

Enter your travel dates to find the best prices.

10:21 am - 5:23 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

6h 02m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 11:52 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

6h 44m1 stop Atlanta Hartsfield-Jackson

$409Delta

Wed, Aug 19 - Tue, Aug 25

2:37 pm - 10:23 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

6h 46m1 stop Atlanta Hartsfield-Jackson

6:09 pm - 11:52 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

6h 43m1 stop Atlanta Hartsfield-Jackson

$409Delta

Tue, Aug 18 - Sat, Aug 22

10:21 am - 5:23 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

6h 02m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 11:52 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

6h 44m1 stop Atlanta Hartsfield-Jackson

$409Delta

Wed, Aug 19 - Tue, Aug 25

4:14 pm - 11:25 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

6h 11m1 stop Charlotte Douglas

9:36 am - 6:11 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

9h 35m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$504American Airlines

Wed, Aug 19 - Sat, Aug 22

4:14 pm - 11:25 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

6h 11m1 stop Charlotte Douglas

9:36 am - 3:45 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

7h 09m1 stop Chicago O'Hare Intl

$511American Airlines

Fri, Aug 21 - Mon, Aug 24

1:16 pm - 10:40 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

8h 24m1 stop Chicago O'Hare Intl

9:36 am - 6:44 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

10h 08m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$516American Airlines

Fri, Aug 21 - Mon, Aug 24

8:57 am - 9:07 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

11h 10m2 stops Orlando Nashville Intl

5:25 pm - 3:24 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

22h 59m1 stop Fort Lauderdale

$540Multiple Airlines

Thu, Aug 20 - Mon, Aug 24

7:20 am - 4:56 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

8h 36m1 stop Chicago O'Hare Intl

5:36 pm - 10:44 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

6h 08m1 stop Chicago O'Hare Intl

$598United Airlines

Fri, Aug 21 - Tue, Aug 25

7:20 am - 4:56 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

8h 36m1 stop Chicago O'Hare Intl

5:36 pm - 12:27 amABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

7h 51m1 stop Chicago O'Hare Intl

$598United Airlines

Fri, Aug 21 - Wed, Aug 26

8:57 am - 9:07 pmIAH Houston George Bush Intcntl-ABE Allentown-Bethlehem

11h 10m2 stops Orlando Nashville Intl

5:25 pm - 3:24 pmABE Allentown-Bethlehem-IAH Houston George Bush Intcntl

22h 59m1 stop Fort Lauderdale

$606Multiple Airlines

Thu, Aug 20 - Fri, Aug 21

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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

Oct 13

IAH2:22 pmHouston George Bush Intcntl

7h 07m

1 stop

ABE10:29 pmAllentown-Bethlehem

Oct 20

ABE6:03 pmAllentown-Bethlehem

6h 52m

1 stop

IAH11:55 pmHouston George Bush Intcntl

$309

Delta

Aug 28

IAH5:41 amHouston George Bush Intcntl

5h 47m

1 stop

ABE12:28 pmAllentown-Bethlehem

Sep 5

ABE1:10 pmAllentown-Bethlehem

6h 31m

1 stop

IAH6:41 pmHouston George Bush Intcntl

$369

Delta

Aug 26

IAH2:37 pmHouston George Bush Intcntl

6h 46m

1 stop

ABE10:23 pmAllentown-Bethlehem

Sep 5

ABE1:10 pmAllentown-Bethlehem

6h 31m

1 stop

IAH6:41 pmHouston George Bush Intcntl

$374

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

Nov 14

IAH7:00 amHouston George Bush Intcntl

9h 41m

2 stops

ABE5:41 pmAllentown-Bethlehem

Dec 12

ABE6:15 pmAllentown-Bethlehem

6h 42m

1 stop

IAH11:57 pmHouston George Bush Intcntl

$314

American Airlines

Sep 13

IAH5:24 pmHouston George Bush Intcntl

5h 56m

1 stop

ABE12:20 amAllentown-Bethlehem

Sep 19

ABE2:25 pmAllentown-Bethlehem

5h 59m

1 stop

IAH7:24 pmHouston George Bush Intcntl

$324

American Airlines

Sep 13

IAH5:24 pmHouston George Bush Intcntl

5h 56m

1 stop

ABE12:20 amAllentown-Bethlehem

Sep 19

ABE2:25 pmAllentown-Bethlehem

9h 05m

2 stops

IAH10:30 pmHouston George Bush Intcntl

$329

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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Mon 8/31

6:30 am-3:41 pm

1 stop8h 11m

Allentown-Bethlehem

Mon 8/31

6:18 pm-3:24 pm

1 stop22h 06m

$255

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Wed 9/9

6:28 am-2:10 pm

2 stops30h 42m

Allentown-Bethlehem

Fri 9/11

8:59 pm-9:25 am

1 stop13h 26m

$264

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Thu 10/29

4:39 pm-10:28 pm

1 stop28h 49m

Allentown-Bethlehem

Sun 11/8

1:58 pm-3:06 pm

1 stop26h 08m

$271

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Tue 10/13

4:18 pm-11:25 pm

1 stop6h 07m

Allentown-Bethlehem

Sat 10/17

6:44 pm-11:59 pm

1 stop6h 15m

$309

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Tue 10/13

2:22 pm-10:29 pm

1 stop7h 07m

Allentown-Bethlehem

Tue 10/20

6:03 pm-11:55 pm

1 stop6h 52m

$309

Quickest round-trip

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Sat 11/14

5:39 am-12:04 pm

1 stop5h 25m

Allentown-Bethlehem

Sat 12/12

12:53 pm-5:51 pm

1 stop5h 58m

$309

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Sat 11/14

7:00 am-5:41 pm

2 stops9h 41m

Allentown-Bethlehem

Sat 12/12

6:15 pm-11:57 pm

1 stop6h 42m

$314

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Sun 9/13

5:24 pm-12:20 am

1 stop5h 56m

Allentown-Bethlehem

Sat 9/19

2:25 pm-7:24 pm

1 stop5h 59m

$324

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Tue 9/29

8:21 am-5:08 pm

1 stop7h 47m

Allentown-Bethlehem

Sat 10/3

5:43 pm-12:30 am

1 stop7h 47m

$462

HoustonAllentown

IAH Houston George Bush Intcntl - ABE Allentown-Bethlehem

IAHABE

Houston George Bush Intcntl

Tue 9/1

8:25 am-5:00 pm

1 stop7h 35m

Allentown-Bethlehem

Sat 9/5

6:01 pm-12:27 am

1 stop7h 26m

$464

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 September is, on average, the cheapest month to fly to Allentown from Houston George Bush Intcntl Airport, with most prices found around $192. If you aren’t able to travel to Allentown during the month of September, 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	$136
Fastest flight time	4h 59m
Direct flights	None

The best one-way flight to Allentown from Houston George Bush Intcntl Airport in the past 72 hours is $136. The best round-trip flight deal from Houston George Bush Intcntl Airport to Allentown found on momondo in the last 72 hours is $255.

The fastest flight from Houston George Bush Intcntl Airport to Allentown takes 4h 59m

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 59m.
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 August 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 (34% of total bookings). The next most popular airlines are Delta (34%) and United Airlines (31%).

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
American Airlines	PriceFrom $192	Free Cancellation	Rating 7.1 11,944 reviews	Search American Airlines flights
Delta	PriceFrom $282	Free Cancellation	Rating 7.8 8,503 reviews	Search Delta flights
United Airlines	PriceFrom $289	Free Cancellation	Rating 7.4 10,106 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?

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.