What airlines fly to Allentown?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Allentown from San Francisco according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 9 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

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

Delta is the most popular carrier operating from San Francisco to Allentown-Bethlehem

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

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

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

As of June 2026, there is 1 operator available to choose from for flights from San Francisco Airport to Allentown-Bethlehem Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco 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.

$209 Cheap Flights from San Francisco to Allentown in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Allentown

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 5:12 pm

SFO

ABE

8h 12m

1 stop

1:00 pm - 7:37 pm

ABE

SFO

9h 37m

1 stop

$369Delta

Wed, Nov 4 - Wed, Nov 11

6:00 am - 5:12 pm

SFO

ABE

8h 12m

1 stop

1:00 pm - 7:37 pm

ABE

SFO

9h 37m

1 stop

$393Delta

Fri, Nov 6 - Wed, Nov 11

6:04 pm - 11:14 pm

SFO

ABE

26h 10m

1 stop

8:50 pm - 4:36 pm

ABE

SFO

22h 46m

2 stops

$399Multiple Airlines

Thu, Aug 6 - Fri, Aug 14

10:38 pm - 9:58 am

SFO

ABE

8h 20m

1 stop

6:15 am - 11:38 am

ABE

SFO

8h 23m

1 stop

$409United Airlines

Mon, Jul 6 - Sat, Jul 11

11:45 pm - 12:04 pm

SFO

ABE

9h 19m

1 stop

1:00 pm - 7:37 pm

ABE

SFO

9h 37m

1 stop

$417Delta

Tue, Nov 10 - Fri, Nov 13

8:56 pm - 9:07 pm

SFO

ABE

21h 11m

2 stops

7:30 am - 11:34 am

ABE

SFO

31h 04m

1 stop

$420Multiple Airlines

Wed, Aug 26 - Mon, Aug 31

10:30 pm - 12:04 pm

SFO

ABE

10h 34m

1 stop

5:40 pm - 12:15 am

ABE

SFO

9h 35m

1 stop

$424Delta

Sat, Nov 7 - Wed, Nov 11

11:45 pm - 12:04 pm

SFO

ABE

9h 19m

1 stop

1:00 pm - 11:41 pm

ABE

SFO

13h 41m

2 stops

$427Delta

Tue, Oct 13 - Wed, Oct 21

6:00 am - 11:14 pm

SFO

ABE

14h 14m

1 stop

8:50 pm - 4:36 pm

ABE

SFO

22h 46m

2 stops

$439Multiple Airlines

Fri, Aug 7 - Fri, Aug 14

11:15 pm - 12:28 pm

SFO

ABE

10h 13m

1 stop

6:04 pm - 8:01 am

ABE

SFO

16h 57m

2 stops

$441Delta

Mon, Aug 24 - Fri, Aug 28

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American Airlines flights from San Francisco to Allentown

Our best American Airlines deals on San Francisco to Allentown flight tickets

American Airlines

Jul 4

SFO6:00 amSan Francisco

7h 41m

1 stop

ABE4:41 pmAllentown-Bethlehem

Jul 8

ABE5:12 pmAllentown-Bethlehem

9h 47m

1 stop

SFO11:59 pmSan Francisco

$476

American Airlines

Jul 6

SFO5:00 amSan Francisco

10h 40m

1 stop

ABE6:40 pmAllentown-Bethlehem

Jul 11

ABE5:11 pmAllentown-Bethlehem

9h 41m

1 stop

SFO11:52 pmSan Francisco

$489

American Airlines

Aug 23

SFO5:05 amSan Francisco

8h 27m

1 stop

ABE4:32 pmAllentown-Bethlehem

Sep 5

ABE6:20 amAllentown-Bethlehem

10h 04m

2 stops

SFO1:24 pmSan Francisco

$499

United Airlines flights from San Francisco to Allentown

Our best United Airlines deals on San Francisco to Allentown flight tickets

United Airlines

Jul 6

SFO10:38 pmSan Francisco

8h 20m

1 stop

ABE9:58 amAllentown-Bethlehem

Jul 11

ABE6:15 amAllentown-Bethlehem

8h 23m

1 stop

SFO11:38 amSan Francisco

$409

United Airlines

Aug 23

SFO11:30 pmSan Francisco

7h 27m

1 stop

ABE9:57 amAllentown-Bethlehem

Aug 31

ABE5:36 pmAllentown-Bethlehem

10h 14m

1 stop

SFO12:50 amSan Francisco

$479

United Airlines

Jun 29

SFO10:38 pmSan Francisco

8h 24m

1 stop

ABE10:02 amAllentown-Bethlehem

Jul 4

ABE6:15 amAllentown-Bethlehem

9h 59m

1 stop

SFO1:14 pmSan Francisco

$486

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Wed 11/4

6:00 am-5:12 pm

1 stop8h 12m

Allentown-Bethlehem

Wed 11/11

1:00 pm-7:37 pm

1 stop9h 37m

$369

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Fri 11/6

6:00 am-5:12 pm

1 stop8h 12m

Allentown-Bethlehem

Wed 11/11

1:00 pm-7:37 pm

1 stop9h 37m

$393

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Thu 8/6

6:04 pm-11:14 pm

1 stop26h 10m

Allentown-Bethlehem

Fri 8/14

8:50 pm-4:36 pm

2 stops22h 46m

$399

Quickest round-trip

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Mon 7/6

10:38 pm-9:58 am

1 stop8h 20m

Allentown-Bethlehem

Sat 7/11

6:15 am-11:38 am

1 stop8h 23m

$409

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 11/10

11:45 pm-12:04 pm

1 stop9h 19m

Allentown-Bethlehem

Fri 11/13

1:00 pm-7:37 pm

1 stop9h 37m

$417

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Wed 8/26

8:56 pm-9:07 pm

2 stops21h 11m

Allentown-Bethlehem

Mon 8/31

7:30 am-11:34 am

1 stop31h 04m

$420

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Sat 11/7

10:30 pm-12:04 pm

1 stop10h 34m

Allentown-Bethlehem

Wed 11/11

5:40 pm-12:15 am

1 stop9h 35m

$424

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 10/13

11:45 pm-12:04 pm

1 stop9h 19m

Allentown-Bethlehem

Wed 10/21

1:00 pm-11:41 pm

2 stops13h 41m

$427

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Fri 8/7

6:00 am-11:14 pm

1 stop14h 14m

Allentown-Bethlehem

Fri 8/14

8:50 pm-4:36 pm

2 stops22h 46m

$439

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Mon 8/24

11:15 pm-12:28 pm

1 stop10h 13m

Allentown-Bethlehem

Fri 8/28

6:04 pm-8:01 am

2 stops16h 57m

$441

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

How have San Francisco to Allentown flight prices changed over time?

When to book flights from San Francisco to Allentown

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

Estimated round-trip price

Cheap San Francisco to Allentown (SFO to ABE) flight deals and tips

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

Fastest flight time	7h 27m
Direct flights	None

The fastest flight from San Francisco to Allentown takes 7h 27m

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

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Frequently asked questions about flying from San Francisco to Allentown

How far is San Francisco to Allentown-Bethlehem by plane?
The distance between San Francisco and Allentown-Bethlehem is about 2489.2 mi. 7h 27m is a normal flight duration for this route.
When did momondo last update prices for flights from San Francisco Airport to Allentown-Bethlehem Airport?
Prices for flights from San Francisco Airport to Allentown-Bethlehem Airport refresh daily.
How many operators does momondo search for flights from San Francisco Airport to Allentown-Bethlehem Airport?
As of June 2026, there is 1 operator available to choose from for flights from San Francisco Airport to Allentown-Bethlehem Airport.
How old do you have to be to fly from San Francisco Airport to Allentown-Bethlehem Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco 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 San Francisco to Allentown?
Based on momondo bookings for this flight route, the most popular airline on flight routes from San Francisco to Allentown is American Airlines (100% of total bookings).

Best airlines flying from San Francisco to Allentown

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $289	Free Cancellation	Rating 7.1 11,751 reviews		Search American Airlines flights

Lehighton

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to Allentown. momondo saves you time and could save you money on your trip.

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

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

How can momondo help me find flights from San Francisco to Allentown?

Once all potential San Francisco 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 San Francisco to Allentown right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Francisco to Allentown flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.