$125 Cheap flight deals from San Francisco (SJC) to Allentown (ABE)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

This Weekend's Flight Deals from San Francisco to Allentown

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jul 4 - Tue, Jul 7
SFO
San Francisco Intl.
PHL
Philadelphia Intl.
$368 Roundtrip, found 7 hours ago
$368
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Sat, Jul 4 from San Francisco Intl. to Philadelphia Intl., returning Tue, Jul 7, priced at $368 found 7 hours ago
Sun, Jul 5 - Sat, Jul 25
SFO
San Francisco Intl.
TTN
Mercer
$463 Roundtrip, found 16 hours ago
$463
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Sun, Jul 5 from San Francisco Intl. to Mercer, returning Sat, Jul 25, priced at $463 found 16 hours ago
Sun, Jul 5 - Sun, Jul 12
SFO
San Francisco Intl.
ABE
Lehigh Valley Intl.
$572 Roundtrip, found 6 days ago
$572
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Jul 5 from San Francisco Intl. to Lehigh Valley Intl., returning Sun, Jul 12, priced at $572 found 6 days ago
Fri, Jul 3 - Sun, Jul 5
OAK
Oakland Intl.
PHL
Philadelphia Intl.
$574 Roundtrip, found 5 days ago
$574
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Jul 3 from Oakland Intl. to Philadelphia Intl., returning Sun, Jul 5, priced at $574 found 5 days ago

Airfares from $125 One Way, $240 Round Trip from San Francisco to Allentown

Prices starting at $240 for return flights and $125 for one-way flights to Allentown were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 27 - Mon, Aug 31
SJC
San Jose
PHL
Philadelphia
$240 Roundtrip, found 4 days ago
$240
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Aug 27 from San Jose to Philadelphia, returning Mon, Aug 31, priced at $240 found 4 days ago
Thu, Aug 13 - Sun, Aug 16
SFO
San Francisco
PHL
Philadelphia
$245 Roundtrip, found 2 days ago
$245
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Aug 13 from San Francisco to Philadelphia, returning Sun, Aug 16, priced at $245 found 2 days ago
Thu, Aug 6 - Wed, Aug 12
SJC
San Jose
PHL
Philadelphia
$314 Roundtrip, found 23 hours ago
$314
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Aug 6 from San Jose to Philadelphia, returning Wed, Aug 12, priced at $314 found 23 hours ago
Thu, Sep 17 - Sun, Sep 20
SJC
San Jose
PHL
Philadelphia
$319 Roundtrip, found 5 days ago
$319
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Sep 17 from San Jose to Philadelphia, returning Sun, Sep 20, priced at $319 found 5 days ago
Thu, Jul 23 - Mon, Jul 27
SJC
San Jose
PHL
Philadelphia
$319 Roundtrip, found 4 days ago
$319
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Jul 23 from San Jose to Philadelphia, returning Mon, Jul 27, priced at $319 found 4 days ago

Allentown economy flight packages

Price found within the past 48 hours. Click for updated prices.
Sofitel Philadelphia at Rittenhouse Square
4.5-star property

Sofitel Philadelphia at Rittenhouse Square

9/10 Wonderful! (2,414 reviews)

Aug 14 - Aug 20

6 night stay

Oakland (OAK) to Philadelphia (PHL)

Southwest Airlines • Non-stop • Coach

Philadelphia (PHL) to Oakland (OAK)

Delta • Non-stop • Coach
Price was $1,163, price is now $830 per person
$830
per person
found 23 hours ago
Special thanks to Tom for the room upgrade. Love this property. My favorite for all business trips in Philly.

Reviewed on May 26, 2026

The Bellevue Hotel - The Unbound Collection by Hyatt
4.5-star property

The Bellevue Hotel - The Unbound Collection by Hyatt

8.6/10 Excellent! (1,010 reviews)

Aug 14 - Aug 20

6 night stay

Oakland (OAK) to Philadelphia (PHL)

Southwest Airlines • Non-stop • Coach

Philadelphia (PHL) to Oakland (OAK)

Delta • Non-stop • Coach
Save 100% on your flight
Price was $1,550, price is now $1,094 per person
$1,094
per person
found 23 hours ago
Nice room, good location

Reviewed on May 27, 2025

Hyatt Centric Rittenhouse Square Philadelphia
4.0-star property

Hyatt Centric Rittenhouse Square Philadelphia

9.4/10 Exceptional! (1,668 reviews)

Aug 14 - Aug 20

6 night stay

Oakland (OAK) to Philadelphia (PHL)

Southwest Airlines • Non-stop • Coach

Philadelphia (PHL) to Oakland (OAK)

Delta • Non-stop • Coach
Price was $1,241, price is now $924 per person
$924
per person
found 23 hours ago
Staff was very helpful with finding local dining and attractions.

Reviewed on Jun 1, 2026

Don't see what you're looking for?
See all available trips from San Francisco to Allentown
View all trips

More About Flying To Allentown from San Francisco

Route Information for Flights from San Francisco to Allentown

Origin Airport IATA Code
SJC
Destination Airport IATA Code
ABE
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

San Francisco to Allentown

Orbitz On-the-Go is your one-stop shop for discount vacation air travel. Our cutting-edge mobile tools leave you time to pack for the trip. Shop our sales on domestic flights from San Francisco to Allentown.

Best Bargains Anywhere

Cheap vacations start at Orbitz On-the-Go. Find the best deals on international flights from San Francisco to Allentown.

Complete Travel Planning

Your phone becomes a full-service vacation travel agency with Orbitz mobile phone apps. From reservations to arrivals, every detail is in the palm of your hand. Book budget flights from San Francisco to Allentown; add a car and hotel, share your itinerary and keep up with changes. Orbitz apps cover all the bases for you.

Totally Stress-Free

Free Alerts from Orbitz On-the-Go keep your vacation free from worry. Free Alerts updates you the moment any changes occur. You’ll always have the most current flight, gate and baggage claim details. So sit back and enjoy your low fare on San Francisco to Allentown flights.

More Miles Faster = Maximum Value

Orbitz On-the-Go securely stores your frequent flier and loyalty program information. Watch your miles add up when you book discount San Francisco to Allentown flights with Orbitz. Make your vacation mileage-friendly with low cost air tickets on San Francisco to Allentown flights. Orbitz is your destination for vacation value.

Frequently asked questions

Are there non-stop flights from San Francisco to Allentown?
Two airlines operate nonstop flights from San Francisco, CA (SFO-San Francisco Intl.) to Philadelphia Intl. Airport (PHL) — American Airlines and United Airlines. They'll get you to your destination in style.
What is the shortest flight from San Francisco to Allentown?
The quickest flight time from San Francisco Airport to Philadelphia Airport is 5 hours and 45 minutes. Order your favorite tipple from the drink cart, write in your travel journal or listen to that podcast — you'll have the time on this medium-haul journey.
What airlines fly from San Francisco to Allentown most frequently?
The carriers that have the most frequent flights between San Francisco Airport and PHL include American Airlines (AA). This popular option operates 52 flights on the route every month. United Airlines (UA) will also get you to your destination in comfort. Offering 30 monthly flights between San Francisco and Allentown, it's another popular airline to look into.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

More Destinations

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.