Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to Allentown from $152

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 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Francisco to Allentown

Cheap round-trip flights

American Airlines Logo
7:14 am - 10:52 pmSFO-ABE
12h 38m2 stops
American Airlines Logo
1:46 pm - 10:08 pmABE-SFO
11h 22m1 stop
$374American Airlines
Find Deal
vie., nov. 14 - lun., nov. 17
American Airlines Logo
7:14 am - 10:52 pmSFO-ABE
12h 38m2 stops
American Airlines Logo
1:46 pm - 10:28 pmABE-SFO
11h 42m2 stops
$379American Airlines
Find Deal
vie., nov. 14 - lun., nov. 17
Delta Logo
6:10 am - 5:20 pmSFO-ABE
8h 10m1 stop
Delta Logo
6:00 pm - 11:56 pmABE-SFO
8h 56m1 stop
$384Delta
Find Deal
mié., oct. 29 - lun., nov. 3
American Airlines Logo
6:00 am - 7:29 pmSFO-ABE
10h 29m1 stop
American Airlines Logo
2:37 pm - 9:50 pmABE-SFO
10h 13m1 stop
$434American Airlines
Find Deal
jue., sep. 25 - lun., sep. 29
United Airlines Logo
5:15 am - 4:53 pmSFO-ABE
8h 38m1 stop
United Airlines Logo
5:28 pm - 11:59 pmABE-SFO
9h 31m1 stop
$448United Airlines
Find Deal
dom., oct. 12 - mié., oct. 15
American Airlines Logo
6:00 am - 7:29 pmSFO-ABE
10h 29m1 stop
American Airlines Logo
6:05 am - 12:16 pmABE-SFO
9h 11m1 stop
$464American Airlines
Find Deal
jue., sep. 25 - dom., sep. 28
Delta Logo
6:10 am - 5:20 pmSFO-ABE
8h 10m1 stop
Delta Logo
6:00 pm - 11:56 pmABE-SFO
8h 56m1 stop
$468Delta
Find Deal
dom., oct. 12 - mié., oct. 15
United Airlines Logo
6:30 am - 4:53 pmSFO-ABE
7h 23m1 stop
United Airlines Logo
5:28 pm - 10:34 pmABE-SFO
8h 06m1 stop
$469United Airlines
Find Deal
jue., sep. 4 - lun., sep. 8
Logo
6:15 pm - 11:37 pmSFO-ABE
26h 22m2 stops
Logo
9:14 pm - 10:51 pmABE-SFO
28h 37m3 stops
$684
Find Deal
dom., oct. 12 - mié., oct. 15
Logo
6:15 pm - 11:37 pmSFO-ABE
26h 22m2 stops
Logo
9:14 pm - 10:51 pmABE-SFO
28h 37m3 stops
$705
Find Deal
dom., oct. 12 - mié., oct. 15

Delta flights from San Francisco to Allentown

Our best Delta deals on San Francisco to Allentown flight tickets
Delta
Oct 29
SFO6:10 amSan Francisco
8h 10m
1 stop
ABE5:20 pmAllentown-Bethlehem
Nov 3
ABE6:00 pmAllentown-Bethlehem
8h 56m
1 stop
SFO11:56 pmSan Francisco
$384
Find similar
Delta
Oct 12
SFO6:10 amSan Francisco
8h 10m
1 stop
ABE5:20 pmAllentown-Bethlehem
Oct 15
ABE6:00 pmAllentown-Bethlehem
8h 56m
1 stop
SFO11:56 pmSan Francisco
$468
Find similar
Delta
Aug 29
SFO6:15 amSan Francisco
8h 19m
1 stop
ABE5:34 pmAllentown-Bethlehem
Aug 31
ABE6:00 amAllentown-Bethlehem
8h 45m
1 stop
SFO11:45 amSan Francisco
$486
Find similar

United Airlines flights from San Francisco to Allentown

Our best United Airlines deals on San Francisco to Allentown flight tickets
United Airlines
Aug 28
SFO5:15 amSan Francisco
8h 38m
1 stop
ABE4:53 pmAllentown-Bethlehem
Sep 10
ABE5:28 pmAllentown-Bethlehem
9h 31m
1 stop
SFO11:59 pmSan Francisco
$414
Find similar
United Airlines
Oct 12
SFO5:15 amSan Francisco
8h 38m
1 stop
ABE4:53 pmAllentown-Bethlehem
Oct 15
ABE5:28 pmAllentown-Bethlehem
9h 31m
1 stop
SFO11:59 pmSan Francisco
$448
Find similar
United Airlines
Sep 4
SFO6:30 amSan Francisco
7h 23m
1 stop
ABE4:53 pmAllentown-Bethlehem
Sep 8
ABE5:28 pmAllentown-Bethlehem
8h 06m
1 stop
SFO10:34 pmSan Francisco
$469
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 agosto 21, 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

vie. 11/14

7:14 am-10:52 pm

2 stops12h 38m

Allentown-Bethlehem

lun. 11/17

1:46 pm-10:08 pm

1 stop11h 22m

$374

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

vie. 11/14

7:14 am-10:52 pm

2 stops12h 38m

Allentown-Bethlehem

lun. 11/17

1:46 pm-10:28 pm

2 stops11h 42m

$379

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

mié. 10/29

6:10 am-5:20 pm

1 stop8h 10m

Allentown-Bethlehem

lun. 11/3

6:00 pm-11:56 pm

1 stop8h 56m

$384

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

jue. 9/25

6:00 am-7:29 pm

1 stop10h 29m

Allentown-Bethlehem

lun. 9/29

2:37 pm-9:50 pm

1 stop10h 13m

$434

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

dom. 10/12

5:15 am-4:53 pm

1 stop8h 38m

Allentown-Bethlehem

mié. 10/15

5:28 pm-11:59 pm

1 stop9h 31m

$448

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

jue. 9/25

6:00 am-7:29 pm

1 stop10h 29m

Allentown-Bethlehem

dom. 9/28

6:05 am-12:16 pm

1 stop9h 11m

$464

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

dom. 10/12

6:10 am-5:20 pm

1 stop8h 10m

Allentown-Bethlehem

mié. 10/15

6:00 pm-11:56 pm

1 stop8h 56m

$468

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

jue. 9/4

6:30 am-4:53 pm

1 stop7h 23m

Allentown-Bethlehem

lun. 9/8

5:28 pm-10:34 pm

1 stop8h 06m

$469

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

dom. 10/12

6:15 pm-11:37 pm

2 stops26h 22m

Allentown-Bethlehem

mié. 10/15

9:14 pm-10:51 pm

3 stops28h 37m

$684

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

dom. 10/12

6:15 pm-11:37 pm

2 stops26h 22m

Allentown-Bethlehem

mié. 10/15

9:14 pm-10:51 pm

3 stops28h 37m

$705

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 August 2025, prices for San Francisco to Allentown flights are approximately 10% 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 $276Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $326Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $413Free CancellationRating
7.4
8,930 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

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.

An easier way to manage your Allentown trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
mar. 8/26
mar. 9/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States