Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Allentown to San Francisco from $166

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to San Francisco departing on 4/23. 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 Allentown to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:52 pm - 8:27 pm
ABE
-
SFO
9h 35m
1 stop
American Airlines Logo
5:51 am - 6:10 pm
SFO
-
ABE
9h 19m
1 stop
$369American Airlines
Wed, Sep 23 - Mon, Sep 28
Multiple Airlines Logo
2:50 pm - 8:01 am
ABE
-
SFO
20h 11m
1 stop
Multiple Airlines Logo
10:40 pm - 1:56 pm
SFO
-
ABE
36h 16m
2 stops
$372Multiple Airlines
Fri, May 29 - Tue, Jun 2
American Airlines Logo
5:46 pm - 10:49 pm
ABE
-
SFO
8h 03m
1 stop
American Airlines Logo
10:07 am - 12:21 am
SFO
-
ABE
11h 14m
2 stops
$374American Airlines
Wed, May 27 - Tue, Jun 2
Multiple Airlines Logo
2:50 pm - 6:19 pm
ABE
-
SFO
30h 29m
2 stops
Multiple Airlines Logo
8:56 am - 11:04 pm
SFO
-
ABE
11h 08m
1 stop
$388Multiple Airlines
Mon, May 25 - Mon, Jun 1
United Airlines Logo
5:43 pm - 1:35 am
ABE
-
SFO
10h 52m
1 stop
United Airlines Logo
10:35 pm - 9:48 am
SFO
-
ABE
8h 13m
1 stop
$389United Airlines
Mon, Apr 27 - Sun, May 3
Multiple Airlines Logo
2:50 pm - 8:01 am
ABE
-
SFO
20h 11m
1 stop
Multiple Airlines Logo
6:00 am - 11:04 pm
SFO
-
ABE
14h 04m
1 stop
$390Multiple Airlines
Fri, May 29 - Mon, Jun 1
American Airlines Logo
5:46 pm - 10:49 pm
ABE
-
SFO
8h 03m
1 stop
American Airlines Logo
1:17 pm - 12:21 am
SFO
-
ABE
8h 04m
1 stop
$396American Airlines
Wed, May 27 - Tue, Jun 2
American Airlines Logo
6:00 am - 1:04 pm
ABE
-
SFO
10h 04m
2 stops
American Airlines Logo
10:07 am - 12:21 am
SFO
-
ABE
11h 14m
2 stops
$399American Airlines
Wed, May 27 - Tue, Jun 2
American Airlines Logo
6:04 am - 12:16 pm
ABE
-
SFO
9h 12m
1 stop
American Airlines Logo
1:16 pm - 12:22 am
SFO
-
ABE
8h 06m
1 stop
$409American Airlines
Fri, Apr 17 - Fri, Apr 24
American Airlines Logo
5:18 pm - 11:51 pm
ABE
-
SFO
9h 33m
1 stop
American Airlines Logo
5:15 am - 7:05 pm
SFO
-
ABE
10h 50m
1 stop
$416American Airlines
Wed, Jul 22 - Wed, Aug 5

American Airlines flights from Allentown to San Francisco

Our best American Airlines deals on Allentown to San Francisco flight tickets
American Airlines
Sep 23
ABE1:52 pmAllentown-Bethlehem
9h 35m
1 stop
SFO8:27 pmSan Francisco
Sep 28
SFO5:51 amSan Francisco
9h 19m
1 stop
ABE6:10 pmAllentown-Bethlehem
$369
American Airlines
May 27
ABE5:46 pmAllentown-Bethlehem
8h 03m
1 stop
SFO10:49 pmSan Francisco
Jun 2
SFO10:07 amSan Francisco
11h 14m
2 stops
ABE12:21 amAllentown-Bethlehem
$374
American Airlines
May 27
ABE5:46 pmAllentown-Bethlehem
8h 03m
1 stop
SFO10:49 pmSan Francisco
Jun 2
SFO1:17 pmSan Francisco
8h 04m
1 stop
ABE12:21 amAllentown-Bethlehem
$396

United Airlines flights from Allentown to San Francisco

Our best United Airlines deals on Allentown to San Francisco flight tickets
United Airlines
Apr 27
ABE5:43 pmAllentown-Bethlehem
10h 52m
1 stop
SFO1:35 amSan Francisco
May 3
SFO10:35 pmSan Francisco
8h 13m
1 stop
ABE9:48 amAllentown-Bethlehem
$389
United Airlines
Apr 14
ABE5:43 pmAllentown-Bethlehem
9h 56m
1 stop
SFO12:39 amSan Francisco
Apr 21
SFO10:50 pmSan Francisco
7h 58m
1 stop
ABE9:48 amAllentown-Bethlehem
$441
United Airlines
Apr 10
ABE5:43 pmAllentown-Bethlehem
10h 52m
1 stop
SFO1:35 amSan Francisco
Apr 13
SFO10:50 pmSan Francisco
7h 58m
1 stop
ABE9:48 amAllentown-Bethlehem
$499

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to San Francisco 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 March 31, 2026.
Use the filters below to find and compare flights from Allentown to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Wed 9/23

1:52 pm-8:27 pm

1 stop9h 35m

San Francisco

Mon 9/28

5:51 am-6:10 pm

1 stop9h 19m

$369

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Fri 5/29

2:50 pm-8:01 am

1 stop20h 11m

San Francisco

Tue 6/2

10:40 pm-1:56 pm

2 stops36h 16m

$372

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Wed 5/27

5:46 pm-10:49 pm

1 stop8h 03m

San Francisco

Tue 6/2

10:07 am-12:21 am

2 stops11h 14m

$374

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Mon 5/25

2:50 pm-6:19 pm

2 stops30h 29m

San Francisco

Mon 6/1

8:56 am-11:04 pm

1 stop11h 08m

$388

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Mon 4/27

5:43 pm-1:35 am

1 stop10h 52m

San Francisco

Sun 5/3

10:35 pm-9:48 am

1 stop8h 13m

$389

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Fri 5/29

2:50 pm-8:01 am

1 stop20h 11m

San Francisco

Mon 6/1

6:00 am-11:04 pm

1 stop14h 04m

$390
Quickest round-trip

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Wed 5/27

5:46 pm-10:49 pm

1 stop8h 03m

San Francisco

Tue 6/2

1:17 pm-12:21 am

1 stop8h 04m

$396

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Wed 5/27

6:00 am-1:04 pm

2 stops10h 04m

San Francisco

Tue 6/2

10:07 am-12:21 am

2 stops11h 14m

$399

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Fri 4/17

6:04 am-12:16 pm

1 stop9h 12m

San Francisco

Fri 4/24

1:16 pm-12:22 am

1 stop8h 06m

$409

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Wed 7/22

5:18 pm-11:51 pm

1 stop9h 33m

San Francisco

Wed 8/5

5:15 am-7:05 pm

1 stop10h 50m

$416

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to San Francisco from

How to get the cheapest flight ticket from Allentown to San Francisco

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 Allentown and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $361.

Can stopping save me money on Allentown to San Francisco flights?

You could potentially save up to 43% on your flight if you consider stops on a Allentown to San Francisco flight.

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

As of March 2026, prices for Allentown to San Francisco flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from Allentown to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Allentown to San Francisco (ABE to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to San Francisco

Fastest flight time

8h 03m

Direct flights

None
The fastest flight from Allentown to San Francisco takes 8h 03m
There are no direct flights from Allentown to San Francisco. There are no popular flight routes from Allentown to San Francisco.
Search flight deals

  • How far is Allentown-Bethlehem to San Francisco by plane?

    The straight-line distance from Allentown-Bethlehem to San Francisco is 2489.2 mi. By plane, this route typically takes 8h 03m.

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to San Francisco Airport?

    Prices for flights from Allentown-Bethlehem Airport to San Francisco Airport refresh daily.

  • How many operators does momondo search for flights from Allentown-Bethlehem Airport to San Francisco Airport?

  • How old do you have to be to fly from Allentown-Bethlehem Airport to San Francisco 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 Allentown-Bethlehem Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Allentown to San Francisco?

Best airlines flying from Allentown to San Francisco

Compare and see reviews for airlines that fly from Allentown to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $269Free CancellationRating
7.9
8,364 reviews
Search Delta flights
United AirlinesPriceFrom $311Free CancellationRating
7.4
9,525 reviews
Search United Airlines flights
American AirlinesPriceFrom $329Free CancellationRating
7.1
11,543 reviews
Search American Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Walnut Creek
Roseville
Hayward
Berkeley
Santa Clara
Big Sur
Fremont
Vallejo
Calistoga
Salinas
Daly City
Half Moon Bay
Milpitas
South San Francisco
Pacific Grove

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to San Francisco?

Finding the right flight to San Francisco from Allentown is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

Can I find flights from Allentown to San Francisco with flexible booking policies on momondo?

Flights from Allentown to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Allentown to San Francisco?

momondo provides multiple filters to help you find the best flight to San Francisco from Allentown. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Allentown to San Francisco right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Allentown to San Francisco 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 San Francisco 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
Thu 4/30
Thu 5/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States