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

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

What airlines fly to Allentown?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Allentown from Greenville according to our data. American Airlines is the first choice among our users, with 42% 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 Greenville Airport to Allentown-Bethlehem Airport?

Prices for flights from Greenville Airport to Allentown-Bethlehem Airport refresh daily.

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

As of August 2026, there are 2 operators available to choose from for flights from Greenville Airport to Allentown-Bethlehem Airport.

How old do you have to be to fly from Greenville 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 Greenville Airport to Allentown-Bethlehem Airport.

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

The required travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Allentown-Bethlehem Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$149 Cheap Flights from Greenville to Allentown in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Greenville to Allentown

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:32 am - 5:18 pmGSP Greenville-ABE Allentown-Bethlehem

6h 46m1 stop Atlanta Hartsfield-Jackson

6:04 pm - 11:43 pmABE Allentown-Bethlehem-GSP Greenville

5h 39m1 stop Atlanta Hartsfield-Jackson

$365Delta

Tue, Nov 24 - Mon, Nov 30

8:05 am - 12:15 pmGSP Greenville-ABE Allentown-Bethlehem

4h 10m1 stop Atlanta Hartsfield-Jackson

6:04 pm - 11:00 pmABE Allentown-Bethlehem-GSP Greenville

4h 56m1 stop Atlanta Hartsfield-Jackson

$365Delta

Thu, Oct 1 - Sun, Oct 4

7:00 am - 12:05 pmGSP Greenville-ABE Allentown-Bethlehem

5h 05m1 stop Atlanta Hartsfield-Jackson

6:03 pm - 10:51 pmABE Allentown-Bethlehem-GSP Greenville

4h 48m1 stop Atlanta Hartsfield-Jackson

$367Delta

Sat, Oct 17 - Fri, Oct 23

11:45 am - 5:16 pmGSP Greenville-ABE Allentown-Bethlehem

5h 31m1 stop Atlanta Hartsfield-Jackson

1:00 pm - 6:09 pmABE Allentown-Bethlehem-GSP Greenville

5h 09m1 stop Atlanta Hartsfield-Jackson

$367Delta

Thu, Oct 22 - Thu, Oct 29

2:18 pm - 9:00 pmGSP Greenville-ABE Allentown-Bethlehem

6h 42m1 stop Chicago O'Hare Intl

10:32 am - 5:02 pmABE Allentown-Bethlehem-GSP Greenville

6h 30m1 stop Chicago O'Hare Intl

$371United Airlines

Tue, Sep 1 - Sat, Sep 5

3:39 pm - 8:40 pmGSP Greenville-ABE Allentown-Bethlehem

5h 01m1 stop Orlando Sanford Intl

7:50 pm - 3:06 pmABE Allentown-Bethlehem-GSP Greenville

19h 16m2 stops Fort Lauderdale Tampa

$381Multiple Airlines

Thu, Sep 3 - Mon, Sep 7

9:20 pm - 12:04 pmGSP Greenville-ABE Allentown-Bethlehem

38h 44m2 stops Hartford Bradley Intl Sarasota Bradenton Intl

9:24 am - 6:05 pmABE Allentown-Bethlehem-GSP Greenville

8h 41m1 stop Orlando Sanford Intl

$533Multiple Airlines

Fri, Sep 4 - Fri, Sep 11

8:33 pm - 12:28 amGSP Greenville-ABE Allentown-Bethlehem

3h 55m1 stop Charlotte Douglas

6:10 am - 10:06 amABE Allentown-Bethlehem-GSP Greenville

3h 56m1 stop Charlotte Douglas

$618American Airlines

Fri, Oct 9 - Sun, Oct 11

7:41 pm - 11:22 pmGSP Greenville-ABE Allentown-Bethlehem

3h 41m1 stop Charlotte Douglas

5:45 am - 9:37 amABE Allentown-Bethlehem-GSP Greenville

3h 52m1 stop Charlotte Douglas

$692American Airlines

Wed, Sep 16 - Fri, Sep 18

4:49 pm - 11:22 pmGSP Greenville-ABE Allentown-Bethlehem

6h 33m2 stops Washington, D.C. Reagan-National Charlotte Douglas

5:45 am - 9:37 amABE Allentown-Bethlehem-GSP Greenville

3h 52m1 stop Charlotte Douglas

$1,070American Airlines

Wed, Sep 16 - Fri, Sep 18

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Delta flights from Greenville to Allentown

Our best Delta deals on Greenville to Allentown flight tickets

Delta

Oct 1

GSP8:05 amGreenville

4h 10m

1 stop

ABE12:15 pmAllentown-Bethlehem

Oct 4

ABE6:04 pmAllentown-Bethlehem

4h 56m

1 stop

GSP11:00 pmGreenville

$365

Delta

Oct 17

GSP5:40 amGreenville

6h 25m

1 stop

ABE12:05 pmAllentown-Bethlehem

Oct 26

ABE6:03 pmAllentown-Bethlehem

4h 48m

1 stop

GSP10:51 pmGreenville

$367

Delta

Sep 3

GSP11:25 amGreenville

5h 58m

1 stop

ABE5:23 pmAllentown-Bethlehem

Sep 7

ABE6:09 pmAllentown-Bethlehem

4h 50m

1 stop

GSP10:59 pmGreenville

$401

United Airlines flights from Greenville to Allentown

Our best United Airlines deals on Greenville to Allentown flight tickets

United Airlines

Sep 1

GSP2:18 pmGreenville

6h 42m

1 stop

ABE9:00 pmAllentown-Bethlehem

Sep 5

ABE10:32 amAllentown-Bethlehem

6h 30m

1 stop

GSP5:02 pmGreenville

$371

United Airlines

Oct 20

GSP7:00 amGreenville

14h 00m

2 stops

ABE9:00 pmAllentown-Bethlehem

Oct 24

ABE10:37 amAllentown-Bethlehem

6h 28m

1 stop

GSP5:05 pmGreenville

$583

United Airlines

Oct 17

GSP2:16 pmGreenville

6h 44m

1 stop

ABE9:00 pmAllentown-Bethlehem

Oct 24

ABE6:20 amAllentown-Bethlehem

12h 40m

2 stops

GSP7:00 pmGreenville

$599

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreenvilleAllentown

GSP Greenville - ABE Allentown-Bethlehem

GSPABE

Greenville

Tue 11/24

10:32 am-5:18 pm

1 stop6h 46m

Allentown-Bethlehem

Mon 11/30

6:04 pm-11:43 pm

1 stop5h 39m

$365

GreenvilleAllentown

GSP Greenville - ABE Allentown-Bethlehem

GSPABE

Greenville

Thu 10/1

8:05 am-12:15 pm

1 stop4h 10m

Allentown-Bethlehem

Sun 10/4

6:04 pm-11:00 pm

1 stop4h 56m

$365

GreenvilleAllentown

GSP Greenville - ABE Allentown-Bethlehem

GSPABE

Greenville

Sat 10/17

7:00 am-12:05 pm

1 stop5h 05m

Allentown-Bethlehem

Fri 10/23

6:03 pm-10:51 pm

1 stop4h 48m

$367

GreenvilleAllentown

GSP Greenville - ABE Allentown-Bethlehem

GSPABE

Greenville

Thu 10/22

11:45 am-5:16 pm

1 stop5h 31m

Allentown-Bethlehem

Thu 10/29

1:00 pm-6:09 pm

1 stop5h 09m

$367

GreenvilleAllentown

GSP Greenville - ABE Allentown-Bethlehem

GSPABE

Greenville

Tue 9/1

2:18 pm-9:00 pm

1 stop6h 42m

Allentown-Bethlehem

Sat 9/5

10:32 am-5:02 pm

1 stop6h 30m

$371

GreenvilleAllentown

GSP Greenville - ABE Allentown-Bethlehem

GSPABE

Greenville

Thu 9/3

3:39 pm-8:40 pm

1 stop5h 01m

Allentown-Bethlehem

Mon 9/7

7:50 pm-3:06 pm

2 stops19h 16m

$381

GreenvilleAllentown

GSP Greenville - ABE Allentown-Bethlehem

GSPABE

Greenville

Fri 9/4

9:20 pm-12:04 pm

2 stops38h 44m

Allentown-Bethlehem

Fri 9/11

9:24 am-6:05 pm

1 stop8h 41m

$533

GreenvilleAllentown

GSP Greenville - ABE Allentown-Bethlehem

GSPABE

Greenville

Fri 10/9

8:33 pm-12:28 am

1 stop3h 55m

Allentown-Bethlehem

Sun 10/11

6:10 am-10:06 am

1 stop3h 56m

$618

Quickest round-trip

GreenvilleAllentown

GSP Greenville - ABE Allentown-Bethlehem

GSPABE

Greenville

Wed 9/16

7:41 pm-11:22 pm

1 stop3h 41m

Allentown-Bethlehem

Fri 9/18

5:45 am-9:37 am

1 stop3h 52m

$692

GreenvilleAllentown

GSP Greenville - ABE Allentown-Bethlehem

GSPABE

Greenville

Wed 9/16

4:49 pm-11:22 pm

2 stops6h 33m

Allentown-Bethlehem

Fri 9/18

5:45 am-9:37 am

1 stop3h 52m

$1,070

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 Greenville 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 Greenville, with most prices found around $0. If you aren’t able to travel to Allentown during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $0.

When to book flights from Greenville to Allentown

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

Estimated round-trip price

Cheap Greenville to Allentown (GSP to ABE) flight deals and tips

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

Best Price Found	$149
Fastest flight time	4h 01m
Direct flights	None

The best one-way flight to Allentown from Greenville in the past 72 hours is $149. The best round-trip flight deal from Greenville to Allentown found on momondo in the last 72 hours is $365.

The fastest flight from Greenville to Allentown takes 4h 01m

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

Search flight deals

Frequently asked questions about flying from Greenville to Allentown

How far is Greenville to Allentown-Bethlehem by plane?
Allentown-Bethlehem is 547.9 mi away from Greenville. 4h 01m is a normal flight duration for this route.
When did momondo last update prices for flights from Greenville Airport to Allentown-Bethlehem Airport?
Prices for flights from Greenville Airport to Allentown-Bethlehem Airport refresh daily.
How many operators does momondo search for flights from Greenville Airport to Allentown-Bethlehem Airport?
As of August 2026, there are 2 operators available to choose from for flights from Greenville Airport to Allentown-Bethlehem Airport.
How old do you have to be to fly from Greenville 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 Greenville Airport to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The required travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Allentown-Bethlehem Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Greenville to Allentown?
Based on momondo bookings for flights between Greenville and Allentown, the leading airline is American Airlines, making up 56% of the total bookings. Other popular airlines include Delta with 44%.

Best airlines flying from Greenville to Allentown

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $270	Free Cancellation	Rating 7.8 8,513 reviews		Search Delta flights
American Airlines	PriceFrom $410	Free Cancellation	Rating 7.1 11,979 reviews		Search American Airlines flights

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Greenville to Allentown. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once all potential Greenville to Allentown flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Allentown from Greenville 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.