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Cheap flights from San Francisco to Allentown from $156

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Allentown departing on 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Francisco to Allentown

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:31 pm - 11:31 pm
SFO
-
ABE
8h 00m
1 stop
American Airlines Logo
12:45 pm - 8:14 pm
ABE
-
SFO
10h 29m
1 stop
$349American Airlines
Wed, Feb 18 - Tue, Mar 10
American Airlines Logo
12:25 am - 12:20 pm
SFO
-
ABE
8h 55m
1 stop
American Airlines Logo
7:41 am - 4:43 pm
ABE
-
SFO
12h 02m
2 stops
$354American Airlines
Tue, Feb 17 - Tue, Mar 10
Delta Logo
11:39 pm - 12:12 pm
SFO
-
ABE
9h 33m
1 stop
Delta Logo
12:56 pm - 8:39 pm
ABE
-
SFO
10h 43m
1 stop
$357Delta
Tue, May 5 - Sat, May 9
United Airlines Logo
11:59 pm - 10:01 am
SFO
-
ABE
7h 02m
1 stop
United Airlines Logo
6:51 pm - 12:16 am
ABE
-
SFO
8h 25m
1 stop
$359United Airlines
Mon, Feb 16 - Mon, Mar 9
Delta Logo
10:35 pm - 12:12 pm
SFO
-
ABE
10h 37m
1 stop
Delta Logo
6:16 pm - 8:21 am
ABE
-
SFO
17h 05m
2 stops
$381Delta
Tue, May 5 - Fri, May 8
American Airlines Logo
1:17 pm - 12:29 am
SFO
-
ABE
8h 12m
1 stop
American Airlines Logo
12:50 pm - 8:14 pm
ABE
-
SFO
10h 24m
1 stop
$389American Airlines
Fri, Feb 20 - Tue, Feb 24
Delta Logo
1:10 pm - 12:12 pm
SFO
-
ABE
20h 02m
2 stops
Delta Logo
6:16 pm - 8:21 am
ABE
-
SFO
17h 05m
2 stops
$405Delta
Tue, May 5 - Tue, May 12
Delta Logo
11:28 am - 10:18 pm
SFO
-
ABE
7h 50m
1 stop
Delta Logo
6:16 pm - 8:21 am
ABE
-
SFO
17h 05m
2 stops
$412Delta
Sat, May 9 - Tue, May 12
United Airlines Logo
10:50 pm - 9:58 am
SFO
-
ABE
8h 08m
1 stop
United Airlines Logo
5:38 pm - 12:19 am
ABE
-
SFO
9h 41m
1 stop
$424United Airlines
Thu, Apr 23 - Mon, Apr 27
Delta Logo
12:06 pm - 11:00 pm
SFO
-
ABE
7h 54m
1 stop
Delta Logo
6:16 pm - 8:58 am
ABE
-
SFO
17h 42m
2 stops
$429Delta
Tue, May 5 - Wed, May 13

United Airlines flights from San Francisco to Allentown

Our best United Airlines deals on San Francisco to Allentown flight tickets
United Airlines
Feb 16
SFO11:59 pmSan Francisco
7h 02m
1 stop
ABE10:01 amAllentown-Bethlehem
Mar 9
ABE6:51 pmAllentown-Bethlehem
8h 25m
1 stop
SFO12:16 amSan Francisco
$359
United Airlines
Apr 23
SFO10:50 pmSan Francisco
8h 08m
1 stop
ABE9:58 amAllentown-Bethlehem
Apr 27
ABE5:38 pmAllentown-Bethlehem
9h 41m
1 stop
SFO12:19 amSan Francisco
$424
United Airlines
May 8
SFO11:56 pmSan Francisco
7h 02m
1 stop
ABE9:58 amAllentown-Bethlehem
May 13
ABE5:35 pmAllentown-Bethlehem
11h 00m
1 stop
SFO1:35 amSan Francisco
$451

American Airlines flights from San Francisco to Allentown

Our best American Airlines deals on San Francisco to Allentown flight tickets
American Airlines
Feb 18
SFO12:31 pmSan Francisco
8h 00m
1 stop
ABE11:31 pmAllentown-Bethlehem
Mar 10
ABE12:45 pmAllentown-Bethlehem
10h 29m
1 stop
SFO8:14 pmSan Francisco
$349
American Airlines
Feb 17
SFO12:25 amSan Francisco
8h 55m
1 stop
ABE12:20 pmAllentown-Bethlehem
Mar 10
ABE7:41 amAllentown-Bethlehem
12h 02m
2 stops
SFO4:43 pmSan Francisco
$354
American Airlines
Feb 20
SFO1:17 pmSan Francisco
8h 12m
1 stop
ABE12:29 amAllentown-Bethlehem
Feb 24
ABE12:50 pmAllentown-Bethlehem
10h 24m
1 stop
SFO8:14 pmSan Francisco
$389

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Allentown that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from San Francisco to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Wed 2/18

12:31 pm-11:31 pm

1 stop8h 00m

Allentown-Bethlehem

Tue 3/10

12:45 pm-8:14 pm

1 stop10h 29m

$349

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 2/17

12:25 am-12:20 pm

1 stop8h 55m

Allentown-Bethlehem

Tue 3/10

7:41 am-4:43 pm

2 stops12h 02m

$354

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 5/5

11:39 pm-12:12 pm

1 stop9h 33m

Allentown-Bethlehem

Sat 5/9

12:56 pm-8:39 pm

1 stop10h 43m

$357

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Mon 2/16

11:59 pm-10:01 am

1 stop7h 02m

Allentown-Bethlehem

Mon 3/9

6:51 pm-12:16 am

1 stop8h 25m

$359

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 5/5

10:35 pm-12:12 pm

1 stop10h 37m

Allentown-Bethlehem

Fri 5/8

6:16 pm-8:21 am

2 stops17h 05m

$381

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Fri 2/20

1:17 pm-12:29 am

1 stop8h 12m

Allentown-Bethlehem

Tue 2/24

12:50 pm-8:14 pm

1 stop10h 24m

$389

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 5/5

1:10 pm-12:12 pm

2 stops20h 02m

Allentown-Bethlehem

Tue 5/12

6:16 pm-8:21 am

2 stops17h 05m

$405

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Sat 5/9

11:28 am-10:18 pm

1 stop7h 50m

Allentown-Bethlehem

Tue 5/12

6:16 pm-8:21 am

2 stops17h 05m

$412

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Thu 4/23

10:50 pm-9:58 am

1 stop8h 08m

Allentown-Bethlehem

Mon 4/27

5:38 pm-12:19 am

1 stop9h 41m

$424

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 5/5

12:06 pm-11:00 pm

1 stop7h 54m

Allentown-Bethlehem

Wed 5/13

6:16 pm-8:58 am

2 stops17h 42m

$429

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Allentown from

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

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 September is also cheap. Prices for this month can be found on momondo for an average of $368.

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

As of February 2026, prices for San Francisco to Allentown flights are approximately 18% cheaper when compared to flights at the same time last year.

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 06m

Direct flights

None
The fastest flight from San Francisco to Allentown takes 7h 06m
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 06m 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?

  • 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?

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 AirlinesPriceFrom $289Free CancellationRating
7.2
11,237 reviews
Search American Airlines flights
DeltaPriceFrom $308Free CancellationRating
7.9
8,151 reviews
Search Delta flights
United AirlinesPriceFrom $338Free CancellationRating
7.4
9,240 reviews
Search United Airlines flights

Traveling to a place near Allentown?

Book flights to Allentown if you plan to visit one of these locations
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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.

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