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 42% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 10 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 May 2026, there are 2 operators 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

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

Prices are currently low for flights on this route. Typical prices usually range from $503 to $378. The lowest price recently found on this route was $369.

1 adult

0 bags

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.

11:59 pm - 12:19 pm

SFO

ABE

9h 20m

1 stop

6:15 pm - 11:24 pm

ABE

SFO

8h 09m

1 stop

$369Delta

Thu, May 28 - Tue, Jun 2

11:59 pm - 12:19 pm

SFO

ABE

9h 20m

1 stop

6:15 pm - 12:46 am

ABE

SFO

9h 31m

1 stop

$393Delta

Thu, May 28 - Mon, Jun 1

9:39 pm - 11:14 pm

SFO

ABE

22h 35m

1 stop

2:54 pm - 8:54 pm

ABE

SFO

9h 00m

1 stop

$400Multiple Airlines

Thu, Aug 13 - Mon, Aug 17

5:11 pm - 11:14 pm

SFO

ABE

27h 03m

2 stops

2:54 pm - 12:18 am

ABE

SFO

12h 24m

1 stop

$413Multiple Airlines

Thu, Aug 13 - Mon, Aug 17

10:35 pm - 10:03 am

SFO

ABE

8h 28m

1 stop

2:23 pm - 7:24 pm

ABE

SFO

8h 01m

1 stop

$437United Airlines

Fri, May 22 - Sun, May 24

6:00 am - 4:38 pm

SFO

ABE

7h 38m

1 stop

6:01 am - 1:08 pm

ABE

SFO

10h 07m

2 stops

$441American Airlines

Tue, Jun 30 - Tue, Jul 7

8:15 am - 11:19 pm

SFO

ABE

12h 04m

2 stops

6:01 am - 1:08 pm

ABE

SFO

10h 07m

2 stops

$446American Airlines

Tue, Jun 30 - Tue, Jul 7

8:56 am - 11:04 pm

SFO

ABE

11h 08m

1 stop

6:00 am - 9:04 pm

ABE

SFO

18h 04m

2 stops

$461Multiple Airlines

Fri, May 22 - Sun, May 24

6:00 am - 4:38 pm

SFO

ABE

7h 38m

1 stop

5:09 pm - 11:42 pm

ABE

SFO

9h 33m

1 stop

$463American Airlines

Tue, Jun 30 - Tue, Jul 7

10:35 pm - 10:06 am

SFO

ABE

8h 31m

1 stop

5:36 pm - 12:20 am

ABE

SFO

9h 44m

1 stop

$464United Airlines

Sat, Aug 15 - Tue, Aug 18

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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

Jun 30

SFO6:00 amSan Francisco

7h 38m

1 stop

ABE4:38 pmAllentown-Bethlehem

Jul 7

ABE6:01 amAllentown-Bethlehem

10h 07m

2 stops

SFO1:08 pmSan Francisco

$441

American Airlines

Jun 30

SFO8:15 amSan Francisco

12h 04m

2 stops

ABE11:19 pmAllentown-Bethlehem

Jul 7

ABE6:01 amAllentown-Bethlehem

10h 07m

2 stops

SFO1:08 pmSan Francisco

$446

American Airlines

Jun 30

SFO6:00 amSan Francisco

7h 38m

1 stop

ABE4:38 pmAllentown-Bethlehem

Jul 7

ABE5:09 pmAllentown-Bethlehem

9h 33m

1 stop

SFO11:42 pmSan Francisco

$463

United Airlines flights from San Francisco to Allentown

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

United Airlines

May 22

SFO10:35 pmSan Francisco

8h 28m

1 stop

ABE10:03 amAllentown-Bethlehem

May 24

ABE2:23 pmAllentown-Bethlehem

8h 01m

1 stop

SFO7:24 pmSan Francisco

$437

United Airlines

Aug 15

SFO10:35 pmSan Francisco

8h 31m

1 stop

ABE10:06 amAllentown-Bethlehem

Aug 18

ABE5:36 pmAllentown-Bethlehem

9h 44m

1 stop

SFO12:20 amSan Francisco

$464

United Airlines

Oct 26

SFO12:50 amSan Francisco

9h 52m

1 stop

ABE1:42 pmAllentown-Bethlehem

Oct 31

ABE10:38 amAllentown-Bethlehem

9h 40m

1 stop

SFO5:18 pmSan Francisco

$479

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Thu 5/28

11:59 pm-12:19 pm

1 stop9h 20m

Allentown-Bethlehem

Tue 6/2

6:15 pm-11:24 pm

1 stop8h 09m

$369

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Thu 5/28

11:59 pm-12:19 pm

1 stop9h 20m

Allentown-Bethlehem

Mon 6/1

6:15 pm-12:46 am

1 stop9h 31m

$393

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Thu 8/13

9:39 pm-11:14 pm

1 stop22h 35m

Allentown-Bethlehem

Mon 8/17

2:54 pm-8:54 pm

1 stop9h 00m

$400

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Thu 8/13

5:11 pm-11:14 pm

2 stops27h 03m

Allentown-Bethlehem

Mon 8/17

2:54 pm-12:18 am

1 stop12h 24m

$413

Quickest round-trip

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Fri 5/22

10:35 pm-10:03 am

1 stop8h 28m

Allentown-Bethlehem

Sun 5/24

2:23 pm-7:24 pm

1 stop8h 01m

$437

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 6/30

6:00 am-4:38 pm

1 stop7h 38m

Allentown-Bethlehem

Tue 7/7

6:01 am-1:08 pm

2 stops10h 07m

$441

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 6/30

8:15 am-11:19 pm

2 stops12h 04m

Allentown-Bethlehem

Tue 7/7

6:01 am-1:08 pm

2 stops10h 07m

$446

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Fri 5/22

8:56 am-11:04 pm

1 stop11h 08m

Allentown-Bethlehem

Sun 5/24

6:00 am-9:04 pm

2 stops18h 04m

$461

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 6/30

6:00 am-4:38 pm

1 stop7h 38m

Allentown-Bethlehem

Tue 7/7

5:09 pm-11:42 pm

1 stop9h 33m

$463

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Sat 8/15

10:35 pm-10:06 am

1 stop8h 31m

Allentown-Bethlehem

Tue 8/18

5:36 pm-12:20 am

1 stop9h 44m

$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 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 typical price of a round-trip flight between San Francisco and Allentown?

What is the cheapest month to fly to Allentown?

The month of March 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 March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $298.

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 33m
Direct flights	None

The fastest flight from San Francisco to Allentown takes 7h 33m

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

Search flight deals

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 33m 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 May 2026, there are 2 operators 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 (75% of total bookings). The next most popular airline is Delta (25%).

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
Delta	PriceFrom $168	Free Cancellation	Rating 7.9 8,459 reviews		Search Delta flights
American Airlines	PriceFrom $317	Free Cancellation	Rating 7.1 11,667 reviews		Search American Airlines flights

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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.