Cheap Flights from Allentown to San Francisco International

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Compare Allentown to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

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Flight deals from Allentown to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Allentown to San Francisco International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Allentown to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Allentown to San Francisco International flights are currently cheapest in June.

Allentown to San Francisco International: Alternative routes

Compare routes from Allentown to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Allentown to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundR 2,836
Cheapest month to flyJune

Finding cheap flights from Allentown to San Francisco International: Frequently asked questions

The best price we found for a return flight from Allentown to San Francisco International is R 5,725. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Allentown to San Francisco International. But we found flights with one or more stops from R 5,725.
As of May 2025, there are no flights flying from Allentown to San Francisco International.
The cheapest month to fly from Allentown to San Francisco International is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Allentown Airport to San Francisco International Airport on Tuesday, 17 June 2025.
No airlines currently offer direct flights between Allentown Airport and San Francisco International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to San Francisco International.

Travelling from Lehigh Valley International Airport (ABE) to San Francisco International Airport (SFO): what you need to know

  • San Francisco is three hours behind Allentown and observes the UTC-7 timezone.

  • To ensure you catch your ABE to SFO flight, leave enough time for things like check-in and baggage drop. Turning up two hours before international departures and one hour before domestic flights is the general rule.

  • Flying during a peak month like July? Public holidays and other high seasons can lead to longer lines and delays at airport checkpoints. Be extra cautious and get there up to four hours before an international flight and two hours before a domestic departure.

  • If you'd like to split up your journey, just uncheck 'Direct flights only' when searching for your ticket from Lehigh Valley International Airport to San Francisco International Airport. Here are the top stopovers between ABE and SFO:

    • O'Hare International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Lehigh Valley International Airport (ABE) to San Francisco International Airport (SFO)

  • R 2,836 is currently the best price for a one-way Lehigh Valley International Airport to San Francisco International Airport flight. A return flight starts from R 5,725. These prices may change based on demand and availability.

  • Don't leave things to the last minute. You're more likely to get cheap tickets from ABE to SFO if you book in advance. Airlines often have some amazing early bird deals.

  • Getting cheap flights from Lehigh Valley International Airport to San Francisco International Airport is more likely if you're flexible with your travel dates. Use the 'Whole month' search tool to see the lowest prices throughout the month and score a great deal.

  • Spend less time searching for cheap flights from ABE to SFO by creating a Price Alert. You'll get an email or notification on the app when a lower fare becomes available.

  • Secure the right flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Lehigh Valley International Airport to San Francisco International Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about Lehigh Valley International Airport (ABE)

  • ABE's address is 3311 Airport Road.

  • Of the flights that depart from Lehigh Valley International Airport, 78.8% arrive on time at their destination.

  • Lehigh Valley International Airport is about 8 kilometres from central Allentown. If you're driving, ride-sharing or catching a cab from the centre, it'll take 10 minutes or so to arrive, depending on the traffic.

  • Expect a trip time of around 30 minutes when using public transport.

  • Have an early flight from Lehigh Valley International Airport to San Francisco International Airport? Avoid the hassle of rushing to the airport (and sneak in some extra snooze time) by choosing one of these hotels close to ABE:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport to central San Francisco has a drive time of about 20 minutes. It's approximately 21 kilometres away.

  • When travelling by public transport, expect a journey of around 45 minutes.

When to fly to San Francisco International Airport (SFO)

  • It's time to work out your travel dates for your flight from Lehigh Valley International Airport to San Francisco International Airport. August is the most popular month to head to San Francisco. If you're after a more low-key vibe, go in February.

  • Lock in your flight from Lehigh Valley International Airport to San Francisco International Airport for September if you'd like to explore San Francisco during its warmest month. You can expect temperatures of between 12ºC (54ºF) and 22ºC (72ºF).

  • January sees average temperatures of between 6ºC (43ºF) and 16ºC (61ºF). Look for cheap tickets from ABE to SFO around that time if you want to travel when it's cooler.

Explore more of United States

  • San Jose is just one of the many cities in United States waiting to be discovered after you've experienced San Francisco. Around 64 kilometres away to the south-east, well-known attractions include Winchester Mystery House, Rosicrucian Egyptian Museum and San Jose Museum of Art.

  • Fresno is another sought-after destination in United States and is around 257 kilometres south-east of San Francisco. No journey is complete without dropping by Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.