Find cheap airlines flights from San Salvador to San Francisco

You can choose from 2 airlines that fly from San Salvador to San Francisco, including United Airlines, avianca, avianca has lowest fares on this route.
United Airlines logo United Airlines
avianca logo avianca
Airlines are determined based on actual purchased flight tickets from San Salvador to San Francisco according to previous 12 months data from Trip.com.

Book direct flights from San Salvador to San Francisco: One way flights from $350, round trip flights from $648. Find flight deals for the next 3 months below.

Displayed flight fares from San Salvador to San Francisco are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | San Salvador to San Francisco

The distance between San Salvador and San Francisco is approximately 4,251.12 km. It takes around 6 hours 26 minutes on average to fly from San Salvador to San Francisco. Based on Trip.com's data travel demand peaks in January. The off-season for travel is November.

Cheapest one-way flight price$256
Cheapest round-trip ticket price$554
Off-season for travelNovember
Peak season for travelJanuary
Flight distance4,251.12 km
Average flight time6 hours 26 minutes
Popular airlineUnited Airlines
Flight statistics for the San Salvador–San Francisco route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from San Salvador to San Francisco (SAL-SFO)?

    Based on Trip.com data, Volaris El Salvador offers one-way fares as low as $256 on Cheapest nonstop routes (e.g. SAL to SFO on Fri, Jun 26), while Volaris El Salvador offers Cheapest nonstop round-trips from $554 departing on Wed, Jun 24 and returning on Tue, Jun 30.
  • At the moment, you can catch a nonstop flight from San Salvador to San Francisco with the following airlines, including: avianca Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 6 hours 26 minutes to fly from San Salvador (SAL) to San Francisco (SFO).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Salvador to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 18 flight per week flying from San Salvador to San Francisco. You can check the weekly schedule for popular airlines on this route below: avianca: S/M/T/W/T/F/S -- AV560 (17:32)
  • To find best deals on flights from San Salvador to San Francisco, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Jun 26, with one-way flights priced at just $256.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is avianca.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Francisco travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Salvador to San Francisco is November, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from San Salvador to San Francisco on June 23, 2026 with Volaris El Salvador, with prices starting at $554.
  • You can land at any one of the following hubs in San Francisco, with El Salvador International Airport to San Francisco International Airport (SAL-SFO) is by far the most common option on this route: San Francisco International Airport (SFO).
  • The time difference between San Francisco and San Salvador is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.