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Cheap flights from Boston to San Salvador
BOS — SAL
11 Oct — 18 Oct1
Cheap flight deals from Boston to San Salvador
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San Salvador (SAL). 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 11 September 2025.
Popular in | December |
|---|---|
Cheapest in | September |
Average price | C$ 518 |
Good round-trip deal | C$ 403 or less |
Good one-way deal | C$ 284 or less |
Best time to book a flight from Boston to San Salvador
Have a flexible travel schedule? Discover the best time to fly to San Salvador from Boston with our price prediction graph.
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 Boston to San Salvador
How far ahead should I book a flight from Boston to San Salvador?
Use this chart to determine the optimal time to book a round-trip flight from Boston to San Salvador. Price data was last updated on 29 August 2025.
To ensure you get the cheapest price possible for a flight from Boston to San Salvador, you should look to book at least 53 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Boston to San Salvador?
Currently, September is the cheapest month in which you can book a flight from Boston to San Salvador (average of C$ 449). Flying from Boston to San Salvador in December is currently the most expensive (average of C$ 915). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOS to SAL?
Find hourly flight availability from Boston to San Salvador. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.
When flying from Boston to San Salvador, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing San Salvador
Get insights into the airlines that provide service to San Salvador. 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 San Salvador. Reviews last updated 11 September 2025.
Read through reviews of airlines operating flights from Boston to San Salvador, such as Avianca. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
5.1
Boarding
7.0
Overall
6.7
Entertainment
5.4
Crew
7.2
Comfort
6.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
BOG - LPB
Food
5.1
Boarding
7.0
Overall
6.7
Entertainment
5.4
Crew
7.2
Comfort
6.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
BOG - LPB
Related info for your journey
Find useful and relevant information for your journey from Boston to San Salvador. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near San Salvador?
Book flights to San Salvador if you plan to visit one of these locationsLa Libertad
Sonsonate
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Complete your trip
Complete your trip to San Salvador by adding a car rental and/or hotel reservation to your travel itinerary.
Top airline flying from Boston to San Salvador
Discover the top airline that operate flights from Boston to San Salvador. 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 629,999 searches. Data last updated 11 September 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Boston to San Salvador?
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Why should you use Cheapflights to find cheap flight tickets from Boston to San Salvador?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Boston to San Salvador for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Boston to San Salvador with no change fees?
Yes, we can. To see specific flights from Boston to San Salvador with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Boston to San Salvador become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!