$201+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SFO
พ.ค. 29 — มิ.ย. 51
Round-trip
1 adult, Economy
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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 เมษายน 29, 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 เมษายน 29, 2026.
This Delta deal was found by Cheapflights users on 4/27. 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.
ส. 10/31:00 pm
ABE
- SFO
1 stop9h 24m
Delta
อ. 10/611:45 pm
SFO
- ABE
1 stop9h 19m
Delta
Deal found 4/27![Delta logo]()
$369
This American Airlines deal was found by Cheapflights users on 4/29. 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.
พ. 7/225:13 pm
ABE
- SFO
1 stop9h 42m
American Airlines
พ. 8/55:05 am
SFO
- ABE
1 stop8h 22m
American Airlines
Deal found 4/29![American Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
จ. 5/258:50 pm
ABE
- SFO
2 stops49h 59m
Multiple Airlines
จ. 6/16:00 am
SFO
- ABE
1 stop14h 04m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 4/28. 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.
พฤ. 5/2812:59 pm
ABE
- SFO
1 stop9h 06m
Delta
อ. 6/211:55 pm
SFO
- ABE
1 stop9h 24m
Delta
Deal found 4/28![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 4/27. 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.
พ. 5/136:27 am
ABE
- SFO
1 stop8h 21m
Delta
พฤ. 5/2810:55 pm
SFO
- ABE
1 stop10h 24m
Delta
Deal found 4/27![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 4/28. 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.
พ. 5/276:23 am
ABE
- SFO
1 stop8h 25m
Delta
อ. 6/211:55 pm
SFO
- ABE
1 stop9h 24m
Delta
Deal found 4/28![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 4/27. 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.
พ. 5/136:27 am
ABE
- SFO
1 stop8h 21m
Delta
ส. 5/306:00 am
SFO
- ABE
1 stop8h 28m
Delta
Deal found 4/27![Delta logo]()
$444
This United Airlines deal was found by Cheapflights users on 4/24. 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.
ส. 5/92:15 pm
ABE
- SFO
1 stop8h 17m
United Airlines
พ. 5/135:30 am
SFO
- ABE
1 stop8h 30m
United Airlines
Deal found 4/24![United Airlines logo]()
$449
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 เมษายน 29, 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 เมษายน 29, 2026.
This Delta deal was found by Cheapflights users on 4/28. 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.
ศ. 5/296:15 pm
ABE
- SFO
1 stop9h 31m
Delta
อ. 6/211:55 pm
SFO
- ABE
1 stop9h 24m
Delta
Deal found 4/28![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 4/24. 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.
ส. 5/92:15 pm
ABE
- SFO
1 stop8h 17m
United Airlines
พ. 5/135:30 am
SFO
- ABE
1 stop8h 30m
United Airlines
Deal found 4/24![United Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 4/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ส. 5/912:00 pm
ABE
- SFO
1 stop11h 12m
American Airlines
พ. 5/139:00 am
SFO
- ABE
2 stops12h 22m
American Airlines
Deal found 4/24![American Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 4/28. 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.
พฤ. 5/2812:59 pm
ABE
- SFO
1 stop9h 06m
Delta
อ. 6/211:55 pm
SFO
- ABE
1 stop9h 24m
Delta
Deal found 4/28![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ส. 8/292:30 pm
ABE
- SFO
1 stop9h 40m
United Airlines
อ. 9/111:30 pm
SFO
- ABE
1 stop7h 36m
United Airlines
Deal found 4/26![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
อ. 7/215:41 pm
ABE
- SFO
1 stop9h 51m
United Airlines
อ. 8/411:30 pm
SFO
- ABE
1 stop7h 08m
United Airlines
Deal found 4/25![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ส. 10/32:30 pm
ABE
- SFO
1 stop8h 30m
United Airlines
พ. 10/711:30 pm
SFO
- ABE
1 stop7h 36m
United Airlines
Deal found 4/26![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 4/24. 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.
พฤ. 8/61:08 pm
ABE
- SFO
1 stop9h 57m
Delta
อา. 8/96:00 am
SFO
- ABE
1 stop8h 25m
Delta
Deal found 4/24![Delta logo]()
$599
This Delta deal was found by Cheapflights users on 4/28. 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.
พ. 5/276:15 pm
ABE
- SFO
1 stop8h 09m
Delta
อา. 5/319:55 pm
SFO
- ABE
1 stop16h 33m
Delta
Deal found 4/28![Delta logo]()
$613
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
พ. 7/225:41 pm
ABE
- SFO
1 stop9h 51m
United Airlines
พฤ. 7/306:28 pm
SFO
- ABE
2 stops12h 10m
United Airlines
Deal found 4/27![United Airlines logo]()
$640
Last-minute flights from Allentown to San FranciscoDiscover last-minute flight deals from Allentown to San Francisco. Data last updated เมษายน 29, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to San Francisco. Data last updated เมษายน 29, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
ส. 5/910:00 am
ABE
- SFO
2 stops25h 30m
Multiple Airlines
พฤ. 5/2812:52 pm
SFO
- ABE
1 stop31h 12m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 4/24. 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.
ส. 5/92:15 pm
ABE
- SFO
1 stop8h 17m
United Airlines
พ. 5/135:30 am
SFO
- ABE
1 stop8h 30m
United Airlines
Deal found 4/24![United Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 4/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ส. 5/912:00 pm
ABE
- SFO
1 stop11h 12m
American Airlines
พ. 5/139:00 am
SFO
- ABE
2 stops12h 22m
American Airlines
Deal found 4/24![American Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 4/27. 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.
พ. 5/136:27 am
ABE
- SFO
1 stop8h 21m
Delta
พฤ. 5/2810:55 pm
SFO
- ABE
1 stop10h 24m
Delta
Deal found 4/27![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 4/27. 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.
พ. 5/136:27 am
ABE
- SFO
1 stop8h 21m
Delta
ส. 5/306:00 am
SFO
- ABE
1 stop8h 28m
Delta
Deal found 4/27![Delta logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
พฤ. 5/149:00 am
ABE
- SFO
2 stops17h 04m
Multiple Airlines
พฤ. 5/2812:52 pm
SFO
- ABE
1 stop31h 12m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
จ. 5/187:00 am
ABE
- SFO
2 stops32h 02m
Multiple Airlines
พฤ. 5/2812:52 pm
SFO
- ABE
1 stop31h 12m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
ศ. 5/222:50 pm
ABE
- SFO
1 stop20h 11m
Multiple Airlines
อ. 5/268:44 pm
SFO
- ABE
2 stops38h 13m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
จ. 5/258:50 pm
ABE
- SFO
2 stops49h 59m
Multiple Airlines
จ. 6/16:00 am
SFO
- ABE
1 stop14h 04m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 4/28. 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.
พ. 5/276:23 am
ABE
- SFO
1 stop8h 25m
Delta
อ. 6/211:55 pm
SFO
- ABE
1 stop9h 24m
Delta
Deal found 4/28![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 4/28. 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.
พฤ. 5/2812:59 pm
ABE
- SFO
1 stop9h 06m
Delta
อ. 6/211:55 pm
SFO
- ABE
1 stop9h 24m
Delta
Deal found 4/28![Delta logo]()
$404
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 เมษายน 29, 2026.
Search for one-way flight options from Allentown to San Francisco. Find affordable one-way fares based on user searches. Data last updated เมษายน 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
อา. 8/309:57 pm
ABE
- SFO
2 stops39h 30m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$201
This Delta deal was found by Cheapflights users on 4/25. 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.
พ. 5/276:23 am
ABE
- SFO
1 stop8h 25m
Delta
Deal found 4/25![Delta logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
อา. 8/166:00 pm
ABE
- SFO
2 stops43h 27m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
ศ. 5/222:50 pm
ABE
- SFO
2 stops30h 07m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
พฤ. 8/612:29 pm
ABE
- SFO
2 stops31h 03m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
จ. 8/36:00 am
ABE
- SFO
3 stops31h 25m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 4/28. 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.
พ. 5/136:27 am
ABE
- SFO
1 stop8h 21m
Delta
Deal found 4/28![Delta logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
ศ. 8/72:54 pm
ABE
- SFO
2 stops28h 12m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 4/26. 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.
ศ. 8/71:08 pm
ABE
- SFO
1 stop9h 57m
Delta
Deal found 4/26![Delta logo]()
$264
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 เมษายน 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Delta) |
One-way from | $201 (Kiwi.com) |
Popular in | April |
Cheapest in | May |
Average price | $554 |
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 เมษายน 29, 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
ศ. 5/29
6:15 pm-12:46 am
1 stop9h 31m
San Francisco
อ. 6/2
11:55 pm-12:19 pm
1 stop9h 24m
$404
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
พฤ. 5/28
12:59 pm-7:05 pm
1 stop9h 06m
San Francisco
อ. 6/2
11:55 pm-12:19 pm
1 stop9h 24m
$404
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
ส. 5/9
2:15 pm-7:32 pm
1 stop8h 17m
San Francisco
พ. 5/13
5:30 am-5:00 pm
1 stop8h 30m
$449
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
ส. 5/9
12:00 pm-8:12 pm
1 stop11h 12m
San Francisco
พ. 5/13
9:00 am-12:22 am
2 stops12h 22m
$454
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
ส. 8/29
2:30 pm-9:10 pm
1 stop9h 40m
San Francisco
อ. 9/1
11:30 pm-10:06 am
1 stop7h 36m
$479
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
อ. 7/21
5:41 pm-12:32 am
1 stop9h 51m
San Francisco
อ. 8/4
11:30 pm-9:38 am
1 stop7h 08m
$479
Quickest round-trip
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
ส. 10/3
2:30 pm-8:00 pm
1 stop8h 30m
San Francisco
พ. 10/7
11:30 pm-10:06 am
1 stop7h 36m
$479
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
พฤ. 8/6
1:08 pm-8:05 pm
1 stop9h 57m
San Francisco
อา. 8/9
6:00 am-5:25 pm
1 stop8h 25m
$599
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
พ. 5/27
6:15 pm-11:24 pm
1 stop8h 09m
San Francisco
อา. 5/31
9:55 pm-5:28 pm
1 stop16h 33m
$613
AllentownSan Francisco
ABE - SFO
ABESFO
Allentown-Bethlehem
พ. 7/22
5:41 pm-12:32 am
1 stop9h 51m
San Francisco
พฤ. 7/30
6:28 pm-9:38 am
2 stops12h 10m
$640
Showing 1-10 of 19 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 April.
| 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, May 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 April is currently the most expensive (average of $554). 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?
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 เมษายน 29, 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.
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.9
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 Cruz
Santa Clara
Fairfield
Rancho Cordova
San Bruno
Watsonville
San Ramon
Emeryville
Vacaville
Roseville
San Carlos
Redwood City
Sunnyvale
Turlock
San Lorenzo
Davis
Manteca
Union City
Elk Grove
Browse thousands of different options on Cheapflights for your next trip
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Allentown and San Francisco flights
Browse other Allentown and San Francisco flight options. Last updated on เมษายน 29, 2026.
Other flights from Allentown
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Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on เมษายน 29, 2026.
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 เมษายน 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$256 | Average$413 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$311 | Average$474 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$331 | Average$430 | FlexibilityNo cancel fee | On-time71% |