$214+ Cheap flights from Allentown to San Francisco (ABE - SFO)
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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SFO
Aug 27 — Sep 31
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 July 28, 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 July 28, 2026.
This Delta deal was found by Cheapflights users on 7/23. 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 9/116:08 pm
ABE
- SFO
1 stop8h 49m
Delta
Tue 9/1511:33 am
SFO
- ABE
1 stop7h 43m
Delta
Deal found 7/23![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:30 am
ABE
- SFO
1 stop14h 15m
Multiple Airlines
Sat 9/2610:48 pm
SFO
- ABE
2 stops19h 49m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 7/23. 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 8/186:08 pm
ABE
- SFO
1 stop8h 50m
Delta
Wed 8/2611:15 pm
SFO
- ABE
1 stop10h 13m
Delta
Deal found 7/23![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 7/23. 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 9/121:50 pm
ABE
- SFO
1 stop9h 08m
Delta
Tue 9/1511:33 am
SFO
- ABE
1 stop7h 43m
Delta
Deal found 7/23![Delta logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am
ABE
- SFO
1 stop30h 47m
Multiple Airlines
Sat 9/2611:42 am
SFO
- ABE
2 stops26h 37m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 7/23. 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 8/211:10 pm
ABE
- SFO
1 stop9h 29m
Delta
Tue 8/254:55 pm
SFO
- ABE
2 stops16h 33m
Delta
Deal found 7/23![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 7/27. 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 8/146:08 pm
ABE
- SFO
1 stop8h 50m
Delta
Tue 8/256:00 am
SFO
- ABE
1 stop8h 23m
Delta
Deal found 7/27![Delta logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am
ABE
- SFO
1 stop12h 57m
Multiple Airlines
Sat 9/1910:05 pm
SFO
- ABE
2 stops20h 32m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 7/23. 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 8/186:08 pm
ABE
- SFO
2 stops17h 13m
Delta
Tue 8/256:00 am
SFO
- ABE
1 stop8h 23m
Delta
Deal found 7/23![Delta logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:30 am
ABE
- SFO
1 stop11h 09m
Multiple Airlines
Tue 9/227:30 pm
SFO
- ABE
2 stops17h 10m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:30 am
ABE
- SFO
1 stop19h 44m
Multiple Airlines
Sun 9/209:42 am
SFO
- ABE
2 stops24h 58m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$430
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 July 28, 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 July 28, 2026.
This Delta deal was found by Cheapflights users on 7/27. 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 10/206:03 pm
ABE
- SFO
1 stop8h 53m
Delta
Sun 10/2511:30 pm
SFO
- ABE
1 stop9h 35m
Delta
Deal found 7/27![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am
ABE
- SFO
1 stop30h 47m
Multiple Airlines
Sat 9/2611:42 am
SFO
- ABE
2 stops26h 37m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 7/27. 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
ABE
- SFO
1 stop8h 53m
Delta
Thu 10/2210:30 pm
SFO
- ABE
1 stop10h 35m
Delta
Deal found 7/27![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 7/27. 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
ABE
- SFO
1 stop8h 53m
Delta
Mon 10/2611:30 pm
SFO
- ABE
1 stop9h 35m
Delta
Deal found 7/27![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 7/27. 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 8/306:08 pm
ABE
- SFO
1 stop8h 50m
Delta
Wed 9/96:00 am
SFO
- ABE
1 stop8h 21m
Delta
Deal found 7/27![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 7/26. 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 8/216:04 pm
ABE
- SFO
1 stop8h 54m
Delta
Wed 9/166:00 am
SFO
- ABE
1 stop8h 21m
Delta
Deal found 7/26![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 7/25. 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 9/176:04 pm
ABE
- SFO
1 stop8h 53m
Delta
Mon 9/2111:30 pm
SFO
- ABE
1 stop9h 45m
Delta
Deal found 7/25![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 7/24. 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 10/171:00 pm
ABE
- SFO
1 stop9h 37m
Delta
Mon 10/2610:30 pm
SFO
- ABE
1 stop10h 45m
Delta
Deal found 7/24![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 7/24. 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 10/146:00 pm
ABE
- SFO
1 stop9h 15m
Delta
Mon 10/2610:30 pm
SFO
- ABE
1 stop10h 45m
Delta
Deal found 7/24![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 7/25. 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 9/136:08 pm
ABE
- SFO
1 stop8h 49m
Delta
Tue 9/156:00 am
SFO
- ABE
1 stop8h 21m
Delta
Deal found 7/25![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 7/25. 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 9/146:04 pm
ABE
- SFO
1 stop8h 53m
Delta
Sat 9/196:00 am
SFO
- ABE
1 stop8h 31m
Delta
Deal found 7/25![Delta logo]()
$439
Last-minute flights from Allentown to San FranciscoDiscover last-minute flight deals from Allentown to San Francisco. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to San Francisco. Data last updated July 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/23. 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 8/134:57 pm
ABE
- SFO
1 stop8h 43m
American Airlines
Sat 8/155:05 am
SFO
- ABE
1 stop8h 22m
American Airlines
Deal found 7/23![American Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 7/27. 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 8/146:08 pm
ABE
- SFO
1 stop8h 50m
Delta
Tue 8/256:00 am
SFO
- ABE
1 stop8h 23m
Delta
Deal found 7/27![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 7/27. 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 8/156:09 pm
ABE
- SFO
1 stop8h 49m
Delta
Sun 8/236:00 am
SFO
- ABE
1 stop8h 22m
Delta
Deal found 7/27![Delta logo]()
$448
This Delta deal was found by Cheapflights users on 7/23. 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 8/186:08 pm
ABE
- SFO
1 stop8h 50m
Delta
Tue 8/256:00 am
SFO
- ABE
1 stop8h 23m
Delta
Deal found 7/23![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 7/27. 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 8/186:08 pm
ABE
- SFO
1 stop8h 50m
Delta
Wed 8/266:00 am
SFO
- ABE
1 stop8h 23m
Delta
Deal found 7/27![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 7/28. 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 8/211:10 pm
ABE
- SFO
1 stop9h 29m
Delta
Sun 8/236:00 am
SFO
- ABE
1 stop8h 22m
Delta
Deal found 7/28![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 7/23. 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 8/211:10 pm
ABE
- SFO
1 stop9h 29m
Delta
Wed 9/211:15 pm
SFO
- ABE
1 stop10h 13m
Delta
Deal found 7/23![Delta logo]()
$403
This Delta deal was found by Cheapflights users on 7/23. 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 8/211:10 pm
ABE
- SFO
1 stop9h 29m
Delta
Sat 8/296:25 pm
SFO
- ABE
2 stops15h 03m
Delta
Deal found 7/23![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 7/23. 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 8/236:07 pm
ABE
- SFO
1 stop8h 51m
Delta
Sat 8/292:36 pm
SFO
- ABE
2 stops18h 52m
Delta
Deal found 7/23![Delta logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:30 am
ABE
- SFO
1 stop14h 15m
Multiple Airlines
Sat 9/2610:48 pm
SFO
- ABE
2 stops19h 49m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$382
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 July 28, 2026.
Search for one-way flight options from Allentown to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Delta deal was found by Cheapflights users on 7/26. 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 8/196:09 pm
ABE
- SFO
1 stop8h 49m
Delta
Deal found 7/26![Delta logo]()
$214
This Delta deal was found by Cheapflights users on 7/24. 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 8/291:10 pm
ABE
- SFO
1 stop9h 29m
Delta
Deal found 7/24![Delta logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:29 pm
ABE
- SFO
3 stops55h 11m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$225
This Delta deal was found by Cheapflights users on 7/27. 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 10/126:03 pm
ABE
- SFO
1 stop8h 53m
Delta
Deal found 7/27![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 7/26. 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 8/46:08 pm
ABE
- SFO
1 stop8h 50m
Delta
Deal found 7/26![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 7/24. 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 9/110:32 am
ABE
- SFO
2 stops23h 57m
United Airlines
Deal found 7/24![United Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:00 am
ABE
- SFO
3 stops59h 45m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$355
This Trip.com deal was found by Cheapflights users on 7/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:54 pm
ABE
- SFO
1 stop12h 24m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 7/28. 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 7/316:30 am
ABE
- SFO
1 stop8h 03m
Delta
Deal found 7/28![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:49 pm
ABE
- SFO
2 stops22h 22m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$392
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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (Delta) |
One-way from | $214 (Delta) |
Popular in | June |
Cheapest in | October |
Average price | $578 |
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 2,558,603 searches. Data last updated July 28, 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 - SFO
ABESFO
Allentown-Bethlehem
Tue 10/20
6:03 pm-11:56 pm
1 stop8h 53m
San Francisco
Sun 10/25
11:30 pm-12:05 pm
1 stop9h 35m
$379
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
Thu 10/15
6:03 pm-11:56 pm
1 stop8h 53m
San Francisco
Thu 10/22
10:30 pm-12:05 pm
1 stop10h 35m
$379
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
Thu 10/15
6:03 pm-11:56 pm
1 stop8h 53m
San Francisco
Mon 10/26
11:30 pm-12:05 pm
1 stop9h 35m
$379
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
Sun 8/30
6:08 pm-11:58 pm
1 stop8h 50m
San Francisco
Wed 9/9
6:00 am-5:21 pm
1 stop8h 21m
$379
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
Fri 8/21
6:04 pm-11:58 pm
1 stop8h 54m
San Francisco
Wed 9/16
6:00 am-5:21 pm
1 stop8h 21m
$379
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
Thu 9/17
6:04 pm-11:57 pm
1 stop8h 53m
San Francisco
Mon 9/21
11:30 pm-12:15 pm
1 stop9h 45m
$379
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
Sat 10/17
1:00 pm-7:37 pm
1 stop9h 37m
San Francisco
Mon 10/26
10:30 pm-12:15 pm
1 stop10h 45m
$389
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
Wed 10/14
6:00 pm-12:15 am
1 stop9h 15m
San Francisco
Mon 10/26
10:30 pm-12:15 pm
1 stop10h 45m
$389
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
Fri 9/11
7:00 am-10:47 am
1 stop30h 47m
San Francisco
Sat 9/26
11:42 am-5:19 pm
2 stops26h 37m
$409
Quickest round-trip
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
Sun 9/13
6:08 pm-11:57 pm
1 stop8h 49m
San Francisco
Tue 9/15
6:00 am-5:21 pm
1 stop8h 21m
$427
Showing 1-10 of 21 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 July.
| 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 below average for this route at the moment.
Allentown to San Francisco flights typically cost between $410 and $492 in August.The cheapest round-trip price found within the last 5 days was $379 on Delta (Aug 18-Aug 25).
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 July 28, 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
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
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
Fairfield
Emeryville
Roseville
Burlingame
Rancho Cordova
San Bruno
Cupertino
Newark
Hayward
San Ramon
Redwood City
San Carlos
Turlock
Vallejo
San Lorenzo
Davis
Vacaville
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Allentown and San Francisco flights
Browse other Allentown and San Francisco flight options. Last updated on July 28, 2026.
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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 2,558,603 searches. Data last updated July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$256 | Average$404 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$313 | Average$528 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$338 | Average$510 | FlexibilityNo cancel fee | On-time71% |