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$129+ Cheap flights from Allentown (ABE) to San Francisco Bay Area

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SFO
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Allentown to San Francisco Bay Area

Keep the following information in mind while searching for Allentown to San Francisco Bay Area flight deals. Data was last updated January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(Delta)

One-way from

$129
(Delta)

Popular in

December

Cheapest in

May

Average price

$492
Provider with most accurate pricing for Allentown-Bethlehem-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Allentown-Bethlehem-San Francisco flights.
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From Allentown-Bethlehem to San Francisco Bay Area
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One-way flight from Allentown-Bethlehem to San Francisco Bay Area
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Highest demand for flights based on searches. 15% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Allentown to San Francisco Bay Area

Cheapest flights from Allentown to San Francisco Bay Area
Explore the most affordable flight options available from Allentown to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This Delta deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1912:47 pmABE - SJC
1 stop11h 31mDelta
Tue 2/2410:35 pmSJC - ABE
1 stop10h 30mDelta
Deal found 1/5$277
This Delta deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3112:50 pmABE - SFO
1 stop10h 35mDelta
Thu 2/56:00 amSFO - ABE
1 stop8h 14mDelta
Deal found 1/7$309
This American Airlines deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1312:00 pmABE - SFO
1 stop8h 48mAmerican Airlines
Tue 2/1711:30 pmSFO - ABE
2 stops9h 50mAmerican Airlines
Deal found 1/7$314
This United Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:38 pmABE - SFO
1 stop9h 41mUnited Airlines
Wed 4/2911:52 pmSFO - ABE
1 stop7h 29mUnited Airlines
Deal found 1/6$329
This American Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:57 pmABE - SFO
2 stops12h 07mAmerican Airlines
Tue 4/2812:30 amSFO - ABE
1 stop7h 57mAmerican Airlines
Deal found 1/6$336
This United Airlines deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:35 amABE - SFO
1 stop11h 03mUnited Airlines
Tue 4/2111:52 pmSFO - ABE
1 stop7h 06mUnited Airlines
Deal found 1/8$341
This American Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:04 amABE - SFO
2 stops11h 03mAmerican Airlines
Tue 4/2812:30 amSFO - ABE
1 stop7h 57mAmerican Airlines
Deal found 1/6$354
This Delta deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:28 amABE - SFO
1 stop9h 22mDelta
Wed 2/1811:47 amSFO - ABE
1 stop8h 02mDelta
Deal found 1/7$357
This American Airlines deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/61:02 pmABE - SFO
2 stops12h 39mAmerican Airlines
Tue 2/109:10 amSFO - ABE
2 stops10h 16mAmerican Airlines
Deal found 1/7$360
This Delta deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:00 pmABE - SJC
1 stop8h 49mDelta
Mon 5/2510:20 pmSJC - ABE
1 stop10h 50mDelta
Deal found 1/7$368
This Delta deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:28 amABE - SFO
1 stop9h 22mDelta
Sat 2/216:05 amSFO - ABE
1 stop8h 07mDelta
Deal found 1/7$384
This American Airlines deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:00 pmABE - SFO
1 stop11h 11mAmerican Airlines
Tue 4/217:25 amSFO - ABE
2 stops13h 03mAmerican Airlines
Deal found 1/8$389

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown to San Francisco Bay Area 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, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Allentown to San Francisco Bay Area that are best for you.

Fly from

Allentown

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

AllentownSan Jose

ABE - SJC

ABESJC

Allentown-Bethlehem

Thu 2/19

12:47 pm-9:18 pm

1 stop11h 31m

San Jose

Tue 2/24

10:35 pm-12:05 pm

1 stop10h 30m

$277

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Sat 1/31

12:50 pm-8:25 pm

1 stop10h 35m

San Francisco

Thu 2/5

6:00 am-5:14 pm

1 stop8h 14m

$309

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Fri 2/13

12:00 pm-5:48 pm

1 stop8h 48m

San Francisco

Tue 2/17

11:30 pm-12:20 pm

2 stops9h 50m

$314

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Wed 4/22

5:38 pm-12:19 am

1 stop9h 41m

San Francisco

Wed 4/29

11:52 pm-10:21 am

1 stop7h 29m

$329

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Tue 4/21

5:38 pm-12:19 am

1 stop9h 41m

San Francisco

Wed 4/29

11:52 pm-10:21 am

1 stop7h 29m

$329

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Wed 1/28

6:15 am-12:10 pm

1 stop8h 55m

San Francisco

Sat 1/31

11:56 pm-10:41 am

1 stop7h 45m

$429

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Fri 5/8

5:40 pm-12:15 am

1 stop9h 35m

San Francisco

Fri 5/15

11:45 pm-12:10 pm

1 stop9h 25m

$444

AllentownSan Jose

ABE - SJC

ABESJC

Allentown-Bethlehem

Mon 1/19

6:28 am-12:56 pm

1 stop9h 28m

San Jose

Fri 1/23

10:45 pm-12:05 pm

1 stop10h 20m

$446

AllentownSan Jose

ABE - SJC

ABESJC

Allentown-Bethlehem

Mon 1/19

6:28 am-12:56 pm

1 stop9h 28m

San Jose

Thu 1/22

10:45 pm-12:05 pm

1 stop10h 20m

$446

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Sat 2/7

6:15 am-11:42 am

1 stop8h 27m

San Francisco

Mon 2/9

11:15 pm-10:41 am

1 stop8h 26m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 43 results
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Best time to book a flight from Allentown to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Allentown with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Allentown to San Francisco Bay Area

What is the cheapest month to book a flight from Allentown to San Francisco Bay Area?

Currently, February is the cheapest month in which you can book a flight from Allentown to San Francisco Bay Area (average of $114). Flying from Allentown to San Francisco Bay Area in November is currently the most expensive (average of $237). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco Bay Area. Reviews last updated January 8, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Allentown to San Francisco Bay Area to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,025 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,025 reviews
Delta
7.9
Good
8,025 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,139 reviews
Delta
7.9
Good
8,025 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
11,094 reviews
Delta
7.9
Good
8,025 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Allentown to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Allentown to San Francisco Bay Area?

    If you book a flight to San Francisco Bay Area from Allentown, you will be flying from Allentown-Bethlehem, which is the city’s only airport. Allentown-Bethlehem (ABE) is located 3.9 mi from the center of Allentown.

  • How long is the flight from Allentown to San Francisco Bay Area?

    Departing from Allentown to San Francisco Bay Area will take you 8h 48m. The distance from Allentown to San Francisco Bay Area is about 2493 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Allentown to San Francisco Bay Area one-way?

    One-way options have recently been found by users for as low as $133 on Delta. Other airlines that offer cheap prices include American Airlines from $158 and United Airlines from $165 one-way.

  • What are the most popular routes from Allentown to San Francisco Bay Area?

    When deciding which route to take from Allentown to San Francisco Bay Area consider Allentown-Bethlehem - San Francisco, Allentown-Bethlehem - San Jose or Allentown-Bethlehem - Oakland as they are the most popular.

  • Can I find deals for flights from Allentown to San Francisco Bay Area that include hotel bookings?

    Yes. In addition to deals on Allentown to San Francisco Bay Area flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to San Francisco Bay Area?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to San Francisco Bay Area.

  • Can I find deals for business class flights from Allentown to San Francisco Bay Area?

    Yes. Cheapflights offers flight deals from Allentown to San Francisco Bay Area by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Allentown to San Francisco Bay Area?

    Currently, February is the cheapest month in which you can book a flight from Allentown to San Francisco Bay Area (average of $114). Flying from Allentown to San Francisco Bay Area in November is currently the most expensive (average of $237). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Allentown to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Allentown to San Francisco Bay Area

Discover the top 3 airlines that operate flights from Allentown to San Francisco Bay Area. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$256Average$566FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$390FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$311Average$474FlexibilityNo cancel feeOn-time69%

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