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

Delta and United Airlines are the most popular carriers operating from San Francisco to Allentown-Bethlehem

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 40% 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.

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 March 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 $381 to $482. The lowest price recently found on this route was $369.

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Find the cheapest flights from San Francisco to New York

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:39 pm - 12:12 pm

SFO

ABE

9h 33m

1 stop

5:59 pm - 11:55 pm

ABE

SFO

8h 56m

1 stop

$369Delta

Fri, Apr 17 - Mon, Apr 20

12:30 am - 11:27 am

SFO

ABE

7h 57m

1 stop

6:04 am - 3:25 pm

ABE

SFO

12h 21m

2 stops

$374American Airlines

Wed, Apr 8 - Wed, Apr 15

1:16 pm - 12:22 am

SFO

ABE

8h 06m

1 stop

5:06 pm - 11:47 pm

ABE

SFO

9h 41m

1 stop

$389American Airlines

Sat, May 16 - Sun, May 24

1:16 pm - 12:22 am

SFO

ABE

8h 06m

1 stop

6:00 am - 1:04 pm

ABE

SFO

10h 04m

2 stops

$394American Airlines

Sat, May 16 - Sun, May 24

10:07 am - 12:21 am

SFO

ABE

11h 14m

2 stops

4:55 pm - 12:08 am

ABE

SFO

10h 13m

2 stops

$399American Airlines

Wed, May 27 - Sat, May 30

11:30 pm - 11:27 am

SFO

ABE

8h 57m

1 stop

12:57 pm - 9:04 pm

ABE

SFO

11h 07m

1 stop

$409American Airlines

Tue, Apr 14 - Tue, Apr 21

12:30 am - 11:27 am

SFO

ABE

7h 57m

1 stop

6:04 am - 12:16 pm

ABE

SFO

9h 12m

1 stop

$410American Airlines

Wed, Apr 8 - Wed, Apr 15

9:00 am - 11:28 pm

SFO

ABE

11h 28m

2 stops

12:57 pm - 9:04 pm

ABE

SFO

11h 07m

1 stop

$414American Airlines

Tue, Apr 14 - Tue, Apr 21

9:00 am - 11:28 pm

SFO

ABE

11h 28m

2 stops

6:00 am - 3:25 pm

ABE

SFO

12h 25m

2 stops

$419American Airlines

Tue, Apr 14 - Tue, Apr 21

11:59 pm - 12:22 pm

SFO

ABE

9h 23m

1 stop

6:20 am - 11:35 am

ABE

SFO

8h 15m

1 stop

$424Delta

Fri, Jul 31 - Tue, Aug 4

Delta flights from San Francisco to Allentown

Our best Delta deals on San Francisco to Allentown flight tickets

Delta

Jul 31

SFO11:59 pmSan Francisco

9h 23m

1 stop

ABE12:22 pmAllentown-Bethlehem

Aug 4

ABE6:20 amAllentown-Bethlehem

8h 15m

1 stop

SFO11:35 amSan Francisco

$424

Delta

Apr 29

SFO5:40 amSan Francisco

14h 20m

2 stops

ABE11:00 pmAllentown-Bethlehem

May 4

ABE5:59 pmAllentown-Bethlehem

8h 56m

1 stop

SFO11:55 pmSan Francisco

$438

Delta

May 1

SFO11:57 pmSan Francisco

9h 15m

1 stop

ABE12:12 pmAllentown-Bethlehem

May 3

ABE12:53 pmAllentown-Bethlehem

10h 31m

1 stop

SFO8:24 pmSan Francisco

$448

American Airlines flights from San Francisco to Allentown

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

American Airlines

May 27

SFO1:17 pmSan Francisco

8h 04m

1 stop

ABE12:21 amAllentown-Bethlehem

May 30

ABE5:46 pmAllentown-Bethlehem

8h 03m

1 stop

SFO10:49 pmSan Francisco

$369

American Airlines

May 27

SFO10:07 amSan Francisco

11h 14m

2 stops

ABE12:21 amAllentown-Bethlehem

May 30

ABE5:46 pmAllentown-Bethlehem

8h 03m

1 stop

SFO10:49 pmSan Francisco

$374

American Airlines

May 16

SFO1:16 pmSan Francisco

8h 06m

1 stop

ABE12:22 amAllentown-Bethlehem

May 24

ABE5:06 pmAllentown-Bethlehem

9h 41m

1 stop

SFO11:47 pmSan Francisco

$389

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Fri 4/17

11:39 pm-12:12 pm

1 stop9h 33m

Allentown-Bethlehem

Mon 4/20

5:59 pm-11:55 pm

1 stop8h 56m

$369

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Wed 4/8

12:30 am-11:27 am

1 stop7h 57m

Allentown-Bethlehem

Wed 4/15

6:04 am-3:25 pm

2 stops12h 21m

$374

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Sat 5/16

1:16 pm-12:22 am

1 stop8h 06m

Allentown-Bethlehem

Sun 5/24

5:06 pm-11:47 pm

1 stop9h 41m

$389

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Sat 5/16

1:16 pm-12:22 am

1 stop8h 06m

Allentown-Bethlehem

Sun 5/24

6:00 am-1:04 pm

2 stops10h 04m

$394

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Wed 5/27

10:07 am-12:21 am

2 stops11h 14m

Allentown-Bethlehem

Sat 5/30

4:55 pm-12:08 am

2 stops10h 13m

$399

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 4/14

11:30 pm-11:27 am

1 stop8h 57m

Allentown-Bethlehem

Tue 4/21

12:57 pm-9:04 pm

1 stop11h 07m

$409

Quickest round-trip

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Wed 4/8

12:30 am-11:27 am

1 stop7h 57m

Allentown-Bethlehem

Wed 4/15

6:04 am-12:16 pm

1 stop9h 12m

$410

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 4/14

9:00 am-11:28 pm

2 stops11h 28m

Allentown-Bethlehem

Tue 4/21

12:57 pm-9:04 pm

1 stop11h 07m

$414

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 4/14

9:00 am-11:28 pm

2 stops11h 28m

Allentown-Bethlehem

Tue 4/21

6:00 am-3:25 pm

2 stops12h 25m

$419

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Fri 7/31

11:59 pm-12:22 pm

1 stop9h 23m

Allentown-Bethlehem

Tue 8/4

6:20 am-11:35 am

1 stop8h 15m

$424

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 January is, on average, the cheapest month to fly to Allentown from San Francisco, with most prices found around $298. If you aren’t able to travel to Allentown during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $330.

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 38m
Direct flights	None

The fastest flight from San Francisco to Allentown takes 7h 38m

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

Search flight deals

How far is San Francisco to Allentown-Bethlehem by plane?
The distance between San Francisco and Allentown-Bethlehem is about 2489.6 mi. 7h 38m 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 March 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 (70% of total bookings). The next most popular airline is Delta (30%).

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 11,492 reviews		Search American Airlines flights
Delta	PriceFrom $308	Free Cancellation	Rating 7.9 8,320 reviews		Search Delta flights

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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.