What to know about flights from San Salvador to Boston?

The distance between San Salvador and Boston is approximately 3,655.51 km. It takes around 5 hours 5 minutes on average to fly from San Salvador to Boston. Based on Trip.com's data, travel demand peaks in January.

Cheapest one-way
$335
Volaris El Salvador Volaris El Salvador SAL-BOS 10h 10m · 1 stop Fri, Oct 30
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Cheapest round-trip
$508
Copa Airlines Copa Airlines SAL-BOS 31h 3m · 2 stops Wed, Oct 7 - Wed, Oct 14
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When to travel
September
Cheapest
January
Peak season for travel
Route details
3,655.51 km
Flight distance
5h 5m
Average flight time

Explore the cheapest one-way and round-trip flights from San Salvador to Boston over the next 90 days, with one-way fares from $335 and round-trip from $508. Based on Trip.com's latest 7-day flight data.

Flight.News
Flights from San Salvador to Boston operate an average of 1 times per day over the past 7 days, with a 85.7% on-time departure rate and a 83.3% on-time arrival rate.

Which airlines are the most popular for San Salvador to Boston flights?

You can choose from 1 airlines that fly from San Salvador to Boston, including avianca, Volaris El Salvador has lowest fares on this route.
avianca logo avianca
Airlines are determined based on actual purchased flight tickets from San Salvador to Boston according to previous 12 months data from Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from San Salvador to Boston (SAL-BOS)?

    Based on Trip.com data, Volaris El Salvador offers one-way fares as low as $335 on Cheapest nonstop routes (e.g. SAL to BOS on Fri, Oct 30), while Copa Airlines offers Cheapest nonstop round-trips from $508 departing on Wed, Oct 7 and returning on Wed, Oct 14.
  • At the moment, you can catch a nonstop flight from San Salvador to Boston 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 5 hours 5 minutes to fly from San Salvador (SAL) to Boston (BOS).
  • 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 Boston 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 1 flight per week flying from San Salvador to Boston. You can check the weekly schedule for popular airlines on this route below: avianca: S/-/T/-/T/-/S -- AV444 (07:49)
  • To find best deals on flights from San Salvador to Boston, 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, Oct 30, with one-way flights priced at just $335.
    · 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 Boston travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Salvador to Boston is September, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from San Salvador to Boston on September 18, 2026 with Volaris El Salvador, with prices starting at $346.
  • You can arrive at any of the following airports in Boston: Boston Logan International Airport (BOS), Hartford Barnes Airport (BNH), and Portsmouth International Airport (PSM). Flights from El Salvador International Airport to Boston Logan International Airport (SAL-BOS) are by far the most popular option for this route.
  • The time difference between Boston and San Salvador is 1h.
  • 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from San Salvador to Boston is $629. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from San Salvador to Boston is $873. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter San Salvador and Boston, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

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.