$234+ Cheap flights from Allentown to San Francisco (ABE - SFO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SFO
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Allentown to San FranciscoExplore the most affordable flight options available from Allentown to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Allentown to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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 10/146:03 pm -
1 stop8h 53m
Sat 10/176:00 am -
1 stop8h 16m
Deal found 9/16![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/96:44 pm -
1 stop8h 46m
Tue 10/2012:16 pm -
1 stop8h 09m
Deal found 9/14![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/305:43 pm -
1 stop8h 16m
Wed 10/2110:42 pm -
1 stop7h 53m
Deal found 9/14![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 9/15. 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 10/156:03 pm -
1 stop8h 53m
Tue 10/206:00 am -
1 stop8h 16m
Deal found 9/15![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/95:43 pm -
1 stop9h 47m
Sun 10/1110:42 pm -
1 stop7h 53m
Deal found 9/15![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 9/265:43 pm -
1 stop8h 16m
Wed 9/3010:35 pm -
1 stop8h 00m
Deal found 9/12![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 10/276:03 pm -
1 stop8h 53m
Sat 10/316:20 am -
2 stops12h 59m
Deal found 9/16![Delta logo]()
$487
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 9/255:43 pm -
1 stop9h 47m
Mon 10/510:42 pm -
1 stop7h 53m
Deal found 9/13![United Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/15:10 pm -
1 stop10h 11m
Mon 10/55:00 am -
1 stop8h 35m
Deal found 9/16![American Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 10/136:03 pm -
2 stops17h 56m
Sat 10/176:00 am -
1 stop8h 16m
Deal found 9/16![Delta logo]()
$507
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 12/245:25 pm -
1 stop10h 34m
Thu 12/315:00 am -
1 stop8h 50m
Deal found 9/12![United Airlines logo]()
$509
Best flights from Allentown to San FranciscoDiscover carefully curated flight deals from Allentown to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Allentown to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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 10/146:03 pm -
1 stop8h 53m
Sat 10/176:00 am -
1 stop8h 16m
Deal found 9/16![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/305:43 pm -
1 stop8h 16m
Wed 10/2110:42 pm -
1 stop7h 53m
Deal found 9/14![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 9/16. 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 10/156:03 pm -
1 stop8h 53m
Sat 10/176:00 am -
1 stop8h 16m
Deal found 9/16![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 10/136:03 pm -
1 stop8h 53m
Sat 10/176:00 am -
1 stop8h 16m
Deal found 9/16![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/95:43 pm -
1 stop9h 47m
Sun 10/1110:42 pm -
1 stop7h 53m
Deal found 9/15![United Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 9/15. 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 10/156:03 pm -
1 stop8h 53m
Mon 10/1910:25 pm -
1 stop10h 40m
Deal found 9/15![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 1/95:20 pm -
1 stop9h 00m
Tue 1/1211:10 pm -
1 stop7h 20m
Deal found 9/16![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 10/115:43 pm -
1 stop9h 47m
Sat 10/1710:42 pm -
1 stop7h 53m
Deal found 9/16![United Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 9/2912:56 pm -
1 stop10h 02m
Wed 10/76:00 am -
1 stop8h 16m
Deal found 9/14![Delta logo]()
$489
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/305:43 pm -
1 stop9h 47m
Mon 10/510:42 pm -
1 stop7h 53m
Deal found 9/14![United Airlines logo]()
$549
This Delta deal was found by Cheapflights users on 9/14. 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.
Fri 10/26:04 pm -
1 stop8h 53m
Tue 10/64:49 pm -
2 stops16h 16m
Deal found 9/14![Delta logo]()
$517
This Delta deal was found by Cheapflights users on 9/13. 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.
Mon 9/286:04 pm -
1 stop8h 53m
Fri 10/211:30 pm -
1 stop9h 45m
Deal found 9/13![Delta logo]()
$557
Last-minute flights from Allentown to San FranciscoDiscover last-minute flight deals from Allentown to San Francisco. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to San Francisco. Data last updated September 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 9/255:43 pm -
1 stop9h 47m
Mon 10/510:42 pm -
1 stop7h 53m
Deal found 9/13![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 9/265:43 pm -
1 stop8h 16m
Wed 9/3010:35 pm -
1 stop8h 00m
Deal found 9/12![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 9/14. 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 9/306:08 pm -
1 stop8h 49m
Tue 10/66:00 am -
1 stop8h 16m
Deal found 9/14![Delta logo]()
$439
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/15:10 pm -
1 stop10h 11m
Mon 10/55:00 am -
1 stop8h 35m
Deal found 9/16![American Airlines logo]()
$499
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/96:44 pm -
1 stop8h 46m
Tue 10/2012:16 pm -
1 stop8h 09m
Deal found 9/14![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/95:43 pm -
1 stop9h 47m
Sun 10/1110:42 pm -
1 stop7h 53m
Deal found 9/15![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 10/115:43 pm -
1 stop9h 47m
Sat 10/1710:42 pm -
1 stop7h 53m
Deal found 9/16![United Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 10/136:03 pm -
2 stops17h 56m
Sat 10/176:00 am -
1 stop8h 16m
Deal found 9/16![Delta logo]()
$507
This Delta deal was found by Cheapflights users on 9/16. 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 10/146:03 pm -
1 stop8h 53m
Sat 10/176:00 am -
1 stop8h 16m
Deal found 9/16![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 9/15. 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 10/156:03 pm -
1 stop8h 53m
Tue 10/206:00 am -
1 stop8h 16m
Deal found 9/15![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 10/276:03 pm -
1 stop8h 53m
Sat 10/316:20 am -
2 stops12h 59m
Deal found 9/16![Delta logo]()
$487
One-way flights from Allentown to San FranciscoSearch for one-way flight options from Allentown to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Allentown to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Delta deal was found by Cheapflights users on 9/13. 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 10/36:11 pm -
1 stop8h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Delta logo]()
$234
This Delta deal was found by Cheapflights users on 9/14. 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 10/86:03 pm -
1 stop8h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$260
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 9/296:08 pm -
1 stop8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/35:36 pm -
1 stop10h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 10/186:00 am -
1 stop8h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![American Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 9/12. 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.
Tue 12/16:10 pm -
1 stop8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 9/15. 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 9/236:08 pm -
1 stop8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/13. 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.
Fri 10/96:03 pm -
1 stop8h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Delta logo]()
$370
This Delta deal was found by Cheapflights users on 9/14. 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 10/296:39 am -
2 stops13h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$373
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 9/276:20 am -
1 stop8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![United Airlines logo]()
$375
This American Airlines deal was found by Cheapflights users on 9/12. 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 11/276:12 am -
1 stop11h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 9/246:20 am -
1 stop8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![United Airlines logo]()
$394
Find flight deals from Allentown to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $399 (Delta) |
One-way from | $234 (Delta) |
Popular in | June |
Cheapest in | October |
Average price | $396 |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 17, 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
Cheapest round-trip
AllentownSan Francisco
ABE Allentown-Bethlehem - SFO San Francisco
ABESFO
Allentown-Bethlehem
Thu 10/15
6:03 pm-11:56 pm
1 stop8h 53m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$234
AllentownSan Francisco
ABE Allentown-Bethlehem - SFO San Francisco
ABESFO
Allentown-Bethlehem
Tue 11/10
6:30 am-12:46 pm
1 stop9h 16m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$234
AllentownSan Francisco
ABE Allentown-Bethlehem - SFO San Francisco
ABESFO
Allentown-Bethlehem
Mon 11/2
6:03 pm-11:56 pm
1 stop8h 53m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$234
Quickest round-trip
AllentownSan Francisco
ABE Allentown-Bethlehem - SFO San Francisco
ABESFO
Allentown-Bethlehem
Sat 10/3
6:11 pm-11:57 pm
1 stop8h 46m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$234
AllentownSan Francisco
ABE Allentown-Bethlehem - SFO San Francisco
ABESFO
Allentown-Bethlehem
Tue 10/13
6:03 pm-11:56 pm
1 stop8h 53m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$234
AllentownSan Francisco
ABE Allentown-Bethlehem - SFO San Francisco
ABESFO
Allentown-Bethlehem
Wed 10/14
6:03 pm-11:56 pm
1 stop8h 53m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$234
AllentownSan Francisco
ABE Allentown-Bethlehem - SFO San Francisco
ABESFO
Allentown-Bethlehem
Sun 11/15
6:00 pm-11:58 pm
1 stop8h 58m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$279
AllentownSan Francisco
ABE Allentown-Bethlehem - SFO San Francisco
ABESFO
Allentown-Bethlehem
Tue 9/29
6:08 pm-11:57 pm
1 stop8h 49m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$279
AllentownSan Francisco
ABE Allentown-Bethlehem - SFO San Francisco
ABESFO
Allentown-Bethlehem
Fri 10/2
6:04 pm-11:57 pm
1 stop8h 53m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$279
AllentownSan Francisco
ABE Allentown-Bethlehem - SFO San Francisco
ABESFO
Allentown-Bethlehem
Sat 9/26
6:11 pm-11:57 pm
1 stop8h 46m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$339
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Allentown to San Francisco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to San Francisco in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Allentown-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Allentown-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Allentown-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Allentown to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Allentown with our price prediction graph.
ABE-SFO
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
What is the cheapest month to book a flight from Allentown to San Francisco?
Currently, October is the cheapest month in which you can book a flight from Allentown to San Francisco (average of $358). Flying from Allentown to San Francisco in June is currently the most expensive (average of $672). 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.
How much does it cost to fly round-trip from Allentown to San Francisco?
Airfare is typical for this route at the moment.
Allentown to San Francisco flights typically cost between $378 and $487 in October.The cheapest round-trip price found within the last 5 days was $399 on Delta (Oct 14-Oct 17).
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. 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. Reviews last updated September 17, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Allentown to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Allentown to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
Emeryville
San Bruno
Burlingame
Rancho Cordova
Roseville
Fairfield
Hayward
Cupertino
Newark
San Ramon
Redwood City
Manteca
Vallejo
San Carlos
Turlock
Davis
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Allentown and San Francisco flights
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Top 3 airlines flying from Allentown to San Francisco
Discover the top 3 airlines that operate flights from Allentown to San Francisco. 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$256 | Average$463 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$328 | Average$535 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$338 | Average$510 | FlexibilityNo cancel fee | On-time71% |