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Cheap flights from San Francisco to Allentown from $155

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 1/17. 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.
Delta Logo
6:00 am - 5:14 pmSFO-ABE
8h 14m1 stop
Delta Logo
6:00 pm - 12:17 amABE-SFO
9h 17m1 stop
$337Delta
Find Deal
Sun, Dec 7 - Mon, Dec 8
American Airlines Logo
8:20 am - 10:52 pmSFO-ABE
11h 32m2 stops
American Airlines Logo
5:10 pm - 10:57 pmABE-SFO
8h 47m1 stop
$354American Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23
Delta Logo
6:00 am - 5:19 pmSFO-ABE
8h 19m1 stop
Delta Logo
6:00 pm - 12:13 amABE-SFO
9h 13m1 stop
$389Delta
Find Deal
Sat, Nov 15 - Mon, Nov 17
American Airlines Logo
7:10 am - 10:52 pmSFO-ABE
12h 42m2 stops
American Airlines Logo
5:10 pm - 10:57 pmABE-SFO
8h 47m1 stop
$394American Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23
Delta Logo
6:10 am - 5:20 pmSFO-ABE
8h 10m1 stop
Delta Logo
6:00 pm - 12:13 amABE-SFO
9h 13m1 stop
$424Delta
Find Deal
Sat, Nov 8 - Mon, Nov 17
American Airlines Logo
12:25 am - 1:30 pmSFO-ABE
10h 05m1 stop
American Airlines Logo
5:15 pm - 11:01 pmABE-SFO
8h 46m1 stop
$426American Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 22
American Airlines Logo
11:59 pm - 1:18 pmSFO-ABE
10h 19m2 stops
American Airlines Logo
5:15 pm - 11:01 pmABE-SFO
8h 46m1 stop
$431American Airlines
Find Deal
Sun, Dec 7 - Mon, Dec 22
United Airlines Logo
5:10 am - 4:47 pmSFO-ABE
8h 37m1 stop
United Airlines Logo
1:00 pm - 8:08 pmABE-SFO
10h 08m1 stop
$449United Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23
United Airlines Logo
10:40 pm - 11:48 amSFO-ABE
10h 08m1 stop
United Airlines Logo
5:22 pm - 10:37 pmABE-SFO
8h 15m1 stop
$539United Airlines
Find Deal
Mon, Nov 10 - Tue, Nov 18
United Airlines Logo
10:40 pm - 11:48 amSFO-ABE
10h 08m1 stop
United Airlines Logo
5:22 pm - 7:24 amABE-SFO
17h 02m2 stops
$558United Airlines
Find Deal
Sat, Nov 22 - Sun, Nov 30

Delta flights from San Francisco to Allentown

Our best Delta deals on San Francisco to Allentown flight tickets
Delta
Dec 7
SFO6:00 amSan Francisco
8h 14m
1 stop
ABE5:14 pmAllentown-Bethlehem
Dec 8
ABE6:00 pmAllentown-Bethlehem
9h 17m
1 stop
SFO12:17 amSan Francisco
$337
Find similar
Delta
Nov 15
SFO6:00 amSan Francisco
8h 19m
1 stop
ABE5:19 pmAllentown-Bethlehem
Nov 17
ABE6:00 pmAllentown-Bethlehem
9h 13m
1 stop
SFO12:13 amSan Francisco
$389
Find similar
Delta
Nov 8
SFO6:10 amSan Francisco
8h 10m
1 stop
ABE5:20 pmAllentown-Bethlehem
Nov 17
ABE6:00 pmAllentown-Bethlehem
9h 13m
1 stop
SFO12:13 amSan Francisco
$424
Find similar

American Airlines flights from San Francisco to Allentown

Our best American Airlines deals on San Francisco to Allentown flight tickets
American Airlines
Nov 19
SFO8:20 amSan Francisco
11h 32m
2 stops
ABE10:52 pmAllentown-Bethlehem
Nov 23
ABE5:10 pmAllentown-Bethlehem
8h 47m
1 stop
SFO10:57 pmSan Francisco
$354
Find similar
American Airlines
Nov 19
SFO7:10 amSan Francisco
12h 42m
2 stops
ABE10:52 pmAllentown-Bethlehem
Nov 23
ABE5:10 pmAllentown-Bethlehem
8h 47m
1 stop
SFO10:57 pmSan Francisco
$394
Find similar
American Airlines
Dec 6
SFO12:25 amSan Francisco
10h 05m
1 stop
ABE1:30 pmAllentown-Bethlehem
Dec 22
ABE5:15 pmAllentown-Bethlehem
8h 46m
1 stop
SFO11:01 pmSan Francisco
$426
Find similar

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 November 3, 2025.
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

Sun 12/7

6:00 am-5:14 pm

1 stop8h 14m

Allentown-Bethlehem

Mon 12/8

6:00 pm-12:17 am

1 stop9h 17m

$337

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Wed 11/19

8:20 am-10:52 pm

2 stops11h 32m

Allentown-Bethlehem

Sun 11/23

5:10 pm-10:57 pm

1 stop8h 47m

$354

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Sat 11/15

6:00 am-5:19 pm

1 stop8h 19m

Allentown-Bethlehem

Mon 11/17

6:00 pm-12:13 am

1 stop9h 13m

$389

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Wed 11/19

7:10 am-10:52 pm

2 stops12h 42m

Allentown-Bethlehem

Sun 11/23

5:10 pm-10:57 pm

1 stop8h 47m

$394

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Sat 11/8

6:10 am-5:20 pm

1 stop8h 10m

Allentown-Bethlehem

Mon 11/17

6:00 pm-12:13 am

1 stop9h 13m

$424

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Sat 12/6

12:25 am-1:30 pm

1 stop10h 05m

Allentown-Bethlehem

Mon 12/22

5:15 pm-11:01 pm

1 stop8h 46m

$426

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Sun 12/7

11:59 pm-1:18 pm

2 stops10h 19m

Allentown-Bethlehem

Mon 12/22

5:15 pm-11:01 pm

1 stop8h 46m

$431

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Wed 11/19

5:10 am-4:47 pm

1 stop8h 37m

Allentown-Bethlehem

Sun 11/23

1:00 pm-8:08 pm

1 stop10h 08m

$449

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Mon 11/10

10:40 pm-11:48 am

1 stop10h 08m

Allentown-Bethlehem

Tue 11/18

5:22 pm-10:37 pm

1 stop8h 15m

$539

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Sat 11/22

10:40 pm-11:48 am

1 stop10h 08m

Allentown-Bethlehem

Sun 11/30

5:22 pm-7:24 am

2 stops17h 02m

$558

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

What is the cheapest day to depart on your flight to Allentown?

The cheapest day to depart from San Francisco to Allentown is on a Tuesday when prices can be found for as low as $450. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Sunday is $584.

What is the cheapest time of day to depart on your flight to Allentown?

At noon is the cheapest time of day to fly from San Francisco to Allentown when you can find flight prices for as low as $464. Flying to Allentown at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $517.

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

As of November 2025, prices for San Francisco to Allentown flights are approximately 1% more expensive 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

Direct flights

None
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 17m 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
11,038 reviews
Search American Airlines flights
DeltaPriceFrom $308Free CancellationRating
7.9
8,002 reviews
Search Delta flights
United AirlinesPriceFrom $338Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights

Traveling to a place near Allentown?

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

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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.

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