$209+ Cheap flights from San Francisco to Allentown (SFO - ABE)
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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ABE
May 29 — Jun 51
Round-trip
1 adult, Economy
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Cheapest flights from San Francisco to AllentownExplore the most affordable flight options available from San Francisco to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.
Explore the most affordable flight options available from San Francisco to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.
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.
Mon 8/311:59 pm
SFO
- ABE
1 stop9h 23m
Delta
Thu 8/131:00 pm
ABE
- SFO
1 stop9h 24m
Delta
Deal found 4/25![Delta logo]()
$369
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:05 am
SFO
- ABE
1 stop8h 22m
American Airlines
Mon 8/175:11 pm
ABE
- SFO
1 stop9h 37m
American Airlines
Deal found 4/28![American Airlines logo]()
$389
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.
Sun 8/93:43 pm
SFO
- ABE
2 stops38h 46m
Multiple Airlines
Mon 8/172:54 pm
ABE
- SFO
1 stop12h 24m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$408
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.
Mon 8/106:00 am
SFO
- ABE
1 stop14h 14m
Multiple Airlines
Mon 8/172:54 pm
ABE
- SFO
2 stops22h 33m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$413
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.
Mon 8/311:59 pm
SFO
- ABE
1 stop9h 23m
Delta
Tue 8/116:30 am
ABE
- SFO
2 stops16h 49m
Delta
Deal found 4/25![Delta logo]()
$437
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.
Sat 5/2311:20 am
SFO
- ABE
1 stop7h 58m
Delta
Thu 5/2812:59 pm
ABE
- SFO
1 stop9h 06m
Delta
Deal found 4/26![Delta logo]()
$438
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.
Mon 8/311:59 pm
SFO
- ABE
1 stop9h 23m
Delta
Wed 8/126:30 am
ABE
- SFO
2 stops13h 56m
Delta
Deal found 4/25![Delta logo]()
$439
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.
Tue 5/2611:59 pm
SFO
- ABE
1 stop9h 20m
Delta
Fri 5/296:15 pm
ABE
- SFO
1 stop9h 31m
Delta
Deal found 4/26![Delta logo]()
$448
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.
Sun 5/246:00 am
SFO
- ABE
1 stop8h 28m
Delta
Wed 5/276:23 am
ABE
- SFO
1 stop8h 25m
Delta
Deal found 4/26![Delta logo]()
$462
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.
Mon 8/106:00 am
SFO
- ABE
1 stop14h 14m
Multiple Airlines
Sun 8/166:00 pm
ABE
- SFO
2 stops33h 18m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$464
Best flights from San Francisco to AllentownDiscover carefully curated flight deals from San Francisco to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
Discover carefully curated flight deals from San Francisco to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/211:30 pm
SFO
- ABE
1 stop7h 08m
United Airlines
Sat 8/85:41 pm
ABE
- SFO
1 stop9h 51m
United Airlines
Deal found 4/28![United Airlines logo]()
$369
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.
Mon 8/106:00 am
SFO
- ABE
1 stop14h 14m
Multiple Airlines
Mon 8/172:54 pm
ABE
- SFO
1 stop12h 24m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$389
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.
Wed 8/56:00 am
SFO
- ABE
1 stop8h 25m
Delta
Thu 8/131:00 pm
ABE
- SFO
1 stop9h 24m
Delta
Deal found 4/25![Delta logo]()
$438
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.
Mon 8/1010:30 pm
SFO
- ABE
1 stop10h 38m
Delta
Sun 8/166:30 am
ABE
- SFO
1 stop8h 11m
Delta
Deal found 4/28![Delta logo]()
$448
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:30 pm
SFO
- ABE
1 stop7h 36m
United Airlines
Wed 10/285:36 pm
ABE
- SFO
1 stop9h 53m
United Airlines
Deal found 4/28![United Airlines logo]()
$479
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.
Mon 8/311:59 pm
SFO
- ABE
1 stop9h 23m
Delta
Sat 8/86:05 pm
ABE
- SFO
2 stops17h 16m
Delta
Deal found 4/25![Delta logo]()
$502
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.
Tue 8/411:38 am
SFO
- ABE
1 stop7h 49m
Delta
Thu 8/131:00 pm
ABE
- SFO
1 stop9h 24m
Delta
Deal found 4/25![Delta logo]()
$514
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.
Wed 6/2411:30 pm
SFO
- ABE
1 stop7h 08m
United Airlines
Mon 6/295:41 pm
ABE
- SFO
1 stop11h 16m
United Airlines
Deal found 4/27![United Airlines logo]()
$588
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.
Sun 8/26:00 am
SFO
- ABE
1 stop13h 27m
Delta
Thu 8/131:00 pm
ABE
- SFO
1 stop9h 24m
Delta
Deal found 4/25![Delta logo]()
$553
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.
Sun 8/96:00 am
SFO
- ABE
1 stop8h 25m
Delta
Sun 8/166:30 am
ABE
- SFO
1 stop8h 11m
Delta
Deal found 4/24![Delta logo]()
$599
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.
Wed 8/56:00 am
SFO
- ABE
1 stop8h 25m
Delta
Fri 8/76:05 pm
ABE
- SFO
2 stops17h 42m
Delta
Deal found 4/25![Delta logo]()
$602
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.
Sat 8/16:00 am
SFO
- ABE
1 stop8h 25m
Delta
Sun 8/26:20 am
ABE
- SFO
1 stop8h 15m
Delta
Deal found 4/24![Delta logo]()
$629
Last-minute flights from San Francisco to AllentownDiscover last-minute flight deals from San Francisco to Allentown. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Allentown. Data last updated April 29, 2026 and is based on user searches.
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.
Sat 5/212:06 pm
SFO
- ABE
1 stop7h 54m
Delta
Wed 5/612:53 pm
ABE
- SFO
1 stop9h 14m
Delta
Deal found 4/28![Delta logo]()
$529
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:56 pm
SFO
- ABE
1 stop7h 07m
United Airlines
Fri 5/2910:42 am
ABE
- SFO
1 stop11h 07m
United Airlines
Deal found 4/28![United Airlines logo]()
$479
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.
Fri 5/2212:15 am
SFO
- ABE
2 stops14h 13m
Delta
Fri 5/296:15 pm
ABE
- SFO
1 stop9h 31m
Delta
Deal found 4/26![Delta logo]()
$503
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.
Sat 5/2311:20 am
SFO
- ABE
1 stop7h 58m
Delta
Thu 5/2812:59 pm
ABE
- SFO
1 stop9h 06m
Delta
Deal found 4/26![Delta logo]()
$438
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.
Sat 5/2311:20 am
SFO
- ABE
1 stop7h 58m
Delta
Sun 5/246:23 am
ABE
- SFO
1 stop8h 25m
Delta
Deal found 4/26![Delta logo]()
$507
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.
Sun 5/246:00 am
SFO
- ABE
1 stop8h 28m
Delta
Thu 5/286:23 am
ABE
- SFO
1 stop8h 25m
Delta
Deal found 4/26![Delta logo]()
$462
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.
Mon 5/2511:59 pm
SFO
- ABE
1 stop9h 20m
Delta
Thu 5/286:23 am
ABE
- SFO
1 stop8h 25m
Delta
Deal found 4/26![Delta logo]()
$508
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.
Tue 5/2611:59 pm
SFO
- ABE
1 stop9h 20m
Delta
Fri 5/296:15 pm
ABE
- SFO
1 stop9h 31m
Delta
Deal found 4/26![Delta logo]()
$448
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.
Thu 5/2811:59 pm
SFO
- ABE
1 stop9h 20m
Delta
Sun 5/316:15 pm
ABE
- SFO
1 stop9h 31m
Delta
Deal found 4/28![Delta logo]()
$514
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.
Sun 5/316:00 am
SFO
- ABE
2 stops48h 27m
Multiple Airlines
Sun 8/166:00 pm
ABE
- SFO
1 stop19h 15m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$482
One-way flights from San Francisco to AllentownSearch for one-way flight options from San Francisco to Allentown. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
Search for one-way flight options from San Francisco to Allentown. Find affordable one-way fares based on user searches. Data last updated April 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.
Wed 5/278:48 pm
SFO
- ABE
2 stops14h 09m
Multiple Airlines
Deal found 4/26![Multiple Airlines 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.
Wed 8/1910:50 pm
SFO
- ABE
2 stops37h 21m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$211
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.
Sun 8/235:11 pm
SFO
- ABE
2 stops19h 00m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$227
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.
Sat 5/2311:20 am
SFO
- ABE
1 stop7h 58m
Delta
Deal found 4/24![Delta logo]()
$240
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.
Sat 8/2210:06 pm
SFO
- ABE
2 stops38h 05m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$244
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.
Tue 7/1412:33 pm
SFO
- ABE
2 stops27h 54m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$247
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.
Sun 8/93:43 pm
SFO
- ABE
2 stops38h 46m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$248
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.
Wed 5/2711:20 am
SFO
- ABE
1 stop7h 58m
Delta
Deal found 4/26![Delta logo]()
$254
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 6/286:00 am
SFO
- ABE
1 stop7h 36m
American Airlines
Deal found 4/23![American Airlines logo]()
$299
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.
Mon 6/111:55 pm
SFO
- ABE
1 stop9h 24m
Delta
Deal found 4/25![Delta logo]()
$300
Find flight deals from San Francisco to Allentown
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Allentown (ABE). 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 April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Delta) |
One-way from | $209 (Kiwi.com) |
Popular in | November |
Cheapest in | January |
Average price | $578 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Allentown 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 April 29, 2026.
Use the filters below to find and compare flights from San Francisco to Allentown that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoAllentown
SFO - ABE
SFOABE
San Francisco
Sun 8/2
11:30 pm-9:38 am
1 stop7h 08m
Allentown-Bethlehem
Sat 8/8
5:41 pm-12:32 am
1 stop9h 51m
$369
San FranciscoAllentown
SFO - ABE
SFOABE
San Francisco
Mon 8/10
6:00 am-11:14 pm
1 stop14h 14m
Allentown-Bethlehem
Mon 8/17
2:54 pm-12:18 am
1 stop12h 24m
$389
San FranciscoAllentown
SFO - ABE
SFOABE
San Francisco
Wed 8/5
6:00 am-5:25 pm
1 stop8h 25m
Allentown-Bethlehem
Thu 8/13
1:00 pm-7:24 pm
1 stop9h 24m
$438
San FranciscoAllentown
SFO - ABE
SFOABE
San Francisco
Mon 8/10
10:30 pm-12:08 pm
1 stop10h 38m
Allentown-Bethlehem
Sun 8/16
6:30 am-11:41 am
1 stop8h 11m
$448
San FranciscoAllentown
SFO - ABE
SFOABE
San Francisco
Tue 10/20
11:30 pm-10:06 am
1 stop7h 36m
Allentown-Bethlehem
Wed 10/28
5:36 pm-12:29 am
1 stop9h 53m
$479
San FranciscoAllentown
SFO - ABE
SFOABE
San Francisco
Mon 8/3
11:59 pm-12:22 pm
1 stop9h 23m
Allentown-Bethlehem
Sat 8/8
6:05 pm-8:21 am
2 stops17h 16m
$502
San FranciscoAllentown
SFO - ABE
SFOABE
San Francisco
Tue 8/4
11:38 am-10:27 pm
1 stop7h 49m
Allentown-Bethlehem
Thu 8/13
1:00 pm-7:24 pm
1 stop9h 24m
$514
San FranciscoAllentown
SFO - ABE
SFOABE
San Francisco
Sun 8/2
6:00 am-10:27 pm
1 stop13h 27m
Allentown-Bethlehem
Thu 8/13
1:00 pm-7:24 pm
1 stop9h 24m
$553
San FranciscoAllentown
SFO - ABE
SFOABE
San Francisco
Wed 6/24
11:30 pm-9:38 am
1 stop7h 08m
Allentown-Bethlehem
Mon 6/29
5:41 pm-1:57 am
1 stop11h 16m
$588
Quickest round-trip
San FranciscoAllentown
SFO - ABE
SFOABE
San Francisco
Sun 8/9
6:00 am-5:25 pm
1 stop8h 25m
Allentown-Bethlehem
Sun 8/16
6:30 am-11:41 am
1 stop8h 11m
$599
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Allentown
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 San Francisco to Allentown 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 San Francisco-Allentown flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Allentown flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Allentown flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Allentown 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 San Francisco-Allentown 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 San Francisco to Allentown
Have a flexible travel schedule? Discover the best time to fly to Allentown from San Francisco with our price prediction graph.
SFO-ABE
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 San Francisco to Allentown
Reviews of airlines servicing Allentown
Get insights into the airlines that provide service to Allentown. 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 Allentown. Reviews last updated April 29, 2026.
Get a feel of what it's like to fly with Delta and American Airlines from San Francisco to Allentown by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Allentown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Francisco to Allentown
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San Francisco and Allentown flights
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Top 2 airlines flying from San Francisco to Allentown
Discover the top 2 airlines that operate flights from San Francisco to Allentown. 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 April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$453 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$317 | Average$445 | FlexibilityNo cancel fee | On-time71% |