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Flights from Boston to San Salvador

Find cheap airlines flights from Boston to San Salvador

Choose from 1 carriers that fly from Boston to San Salvador, including avianca, Enjoy the cheapest tickets on this route with avianca.
avianca logo avianca

Book direct flights from Boston to San Salvador: One way flights from $140, round trip flights from $291. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        BOS 3:25 PM
        5h 50m
        Nonstop
        SAL 8:15 PM
        Boston - San Salvador | Mon, Nov 17 | avianca
        SAL 7:45 AM
        5h 5m
        Nonstop
        BOS 1:50 PM
        San Salvador - Boston | Mon, Nov 24 | avianca
        $291 $326
        11% OFF
        11% OFF
        $326 $291
      • BOS 3:25 PM
        5h 50m
        Nonstop
        SAL 8:15 PM
        Boston - San Salvador | Sun, Nov 16 | avianca
        SAL 7:45 AM
        5h 5m
        Nonstop
        BOS 1:50 PM
        San Salvador - Boston | Mon, Nov 24 | avianca
        $300 $326
        8% OFF
        8% OFF
        $326 $300
      • BOS 9:00 AM
        14h 47m
        1 stop
        SAL 10:47 PM
        Boston - San Salvador | Wed, Nov 12 | United Airlines
        SAL 11:54 PM
        14h 28m
        1 stop
        BOS 3:22 PM
        San Salvador - Boston | Wed, Nov 19 | United Airlines
        $227 $326
        31% OFF
        31% OFF
        $326 $227
      • BOS 1:25 PM
        10h 22m
        1 stop
        SAL 10:47 PM
        Boston - San Salvador | Tue, Nov 18 | United Airlines
        SAL 11:54 PM
        8h 5m
        1 stop
        BOS 8:59 AM
        San Salvador - Boston | Mon, Nov 24 | United Airlines
        $231
        28% OFF
        $326 $231
      • BOS 11:45 AM
        12h 2m
        1 stop
        SAL 10:47 PM
        Boston - San Salvador | Mon, Nov 17 | United Airlines
        SAL 11:54 PM
        8h 5m
        1 stop
        BOS 8:59 AM
        San Salvador - Boston | Mon, Nov 24 | United Airlines
        $231
        28% OFF
        $326 $231
      • BOS 6:46 AM
        8h 42m
        1 stop
        SAL 2:28 PM
        Boston - San Salvador | Wed, Nov 12 | American Airlines
        SAL 3:31 PM
        8h 20m
        1 stop
        BOS 12:51 AM
        San Salvador - Boston | Tue, Nov 18 | American Airlines
        $243
        26% OFF
        $326 $243
      • BOS 5:45 AM
        10h 3m
        1 stop
        SAL 2:48 PM
        Boston - San Salvador | Tue, Dec 9 | Spirit Airlines
        SAL 11:54 PM
        10h 4m
        1 stop
        BOS 10:58 AM
        San Salvador - Boston | Tue, Dec 16 | United Airlines
        $254
        22% OFF
        $326 $254
      • BOS 5:45 AM
        10h 3m
        1 stop
        SAL 2:48 PM
        Boston - San Salvador | Sun, Dec 7 | Spirit Airlines
        SAL 11:54 PM
        10h 4m
        1 stop
        BOS 10:58 AM
        San Salvador - Boston | Mon, Dec 15 | United Airlines
        $255
        22% OFF
        $326 $255
      • BOS 5:45 AM
        10h 3m
        1 stop
        SAL 2:48 PM
        Boston - San Salvador | Mon, Dec 8 | Spirit Airlines
        SAL 11:54 PM
        8h 20m
        1 stop
        BOS 9:14 AM
        San Salvador - Boston | Sat, Dec 13 | United Airlines
        $255
        22% OFF
        $326 $255
      • BOS 5:45 AM
        8h 53m
        1 stop
        SAL 1:38 PM
        Boston - San Salvador | Sat, Dec 6 | Spirit Airlines
        SAL 11:54 PM
        17h 27m
        1 stop
        BOS 6:21 PM
        San Salvador - Boston | Fri, Dec 12 | United Airlines
        $256
        21% OFF
        $326 $256
      • BOS 5:45 AM
        10h 3m
        1 stop
        SAL 2:48 PM
        Boston - San Salvador | Wed, Dec 10 | Spirit Airlines
        SAL 1:10 AM
        12h 19m
        1 stop
        BOS 2:29 PM
        San Salvador - Boston | Wed, Dec 17 | United Airlines
        $258
        21% OFF
        $326 $258
      • BOS 7:34 AM
        30h 7m
        1 stop
        SAL 12:41 PM
        Boston - San Salvador | Wed, Nov 12 | Copa Airlines
        SAL 11:54 PM
        14h 33m
        1 stop
        BOS 3:27 PM
        San Salvador - Boston | Tue, Nov 18 | United Airlines
        $263
        19% OFF
        $326 $263
      • BOS 1:00 PM
        17h 25m
        1 stop
        SAL Invalid Date
        Boston - San Salvador | Fri, Nov 14 | Normal Airline
        SAL 3:00 PM
        6h
        Nonstop
        BOS 4:00 PM
        San Salvador - Boston | Sun, Nov 16 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Boston to San Salvador

The distance between Boston and San Salvador is about 3,655.51 km. It takes around 5 hours 50 minutes on average to fly from Boston to San Salvador. The most popular month to San Salvador is January. The off-season for travel is September.

Cheapest one-way flight price$94
Cheapest round-trip ticket price$227
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance3,655.51 km
Average flight time5 hours 50 minutes
Popular airlineavianca

When is the cheapest time to fly from Boston to San Salvador?

The cheapest time for Boston to San Salvador flights: Jan 25 to Feb 1 — one way flight prices from $89.

Cheapest flights
From price
Search
  • 916
  • 1623
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer direct flights from Boston to San Salvador?

    At the moment, you can catch a nonstop flight from Boston to San Salvador 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 50 minutes to fly from Boston (BOS) to San Salvador (SAL).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to San Salvador 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 4 flight per week flying from Boston to San Salvador. You can check the weekly schedule for popular airlines on this route below: avianca: S/-/T/-/T/-/S -- AV445 (15:54)
  • The cheapest months to fly from Boston to San Salvador is September, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Boston to San Salvador on November 12, 2025 with United Airlines, with prices starting at $226.
  • You can land at any one of the following hubs in San Salvador, with Logan International Airport to El Salvador International Airport (BOS-SAL) is by far the most common option on this route: El Salvador International Airport (SAL).
  • The time difference between San Salvador and Boston 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.

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