Cheap flights from Boston to San Salvador from $116

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to San Salvador departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 1:36 pm
BOS
-
SAL
8h 36m1 stop
Multiple Airlines Logo
7:45 am - 1:50 pm
SAL
-
BOS
5h 05mnonstop
$270Multiple Airlines
Sat, Jan 31 - Wed, Feb 4
American Airlines Logo
9:25 am - 11:37 am
BOS
-
SAL
28h 12m2 stops
American Airlines Logo
12:37 pm - 1:45 pm
SAL
-
BOS
23h 08m2 stops
$272American Airlines
Wed, Mar 11 - Tue, Mar 17
Spirit Airlines Logo
5:34 am - 2:52 pm
BOS
-
SAL
10h 18m1 stop
Spirit Airlines Logo
2:57 pm - 12:50 pm
SAL
-
BOS
19h 53m1 stop
$273Spirit Airlines
Tue, Feb 3 - Thu, Mar 19
American Airlines Logo
6:52 pm - 12:37 pm
BOS
-
SAL
18h 45m2 stops
American Airlines Logo
1:37 pm - 10:05 am
SAL
-
BOS
19h 28m2 stops
$275American Airlines
Mon, Feb 16 - Wed, Feb 25
Multiple Airlines Logo
5:53 pm - 10:29 am
BOS
-
SAL
17h 36m1 stop
Multiple Airlines Logo
4:02 pm - 2:38 pm
SAL
-
BOS
21h 36m2 stops
$276Multiple Airlines
Fri, Feb 6 - Tue, Feb 10
Multiple Airlines Logo
5:27 pm - 2:52 pm
BOS
-
SAL
22h 25m1 stop
Multiple Airlines Logo
2:51 pm - 1:13 am
SAL
-
BOS
9h 22m1 stop
$278Multiple Airlines
Mon, Jan 26 - Sat, Feb 7
Spirit Airlines Logo
5:34 am - 10:28 am
BOS
-
SAL
29h 54m2 stops
Spirit Airlines Logo
4:02 pm - 2:38 pm
SAL
-
BOS
21h 36m2 stops
$280Spirit Airlines
Tue, Jan 27 - Tue, Feb 3
American Airlines Logo
6:54 pm - 12:37 pm
BOS
-
SAL
18h 43m2 stops
American Airlines Logo
3:47 pm - 10:57 am
SAL
-
BOS
18h 10m2 stops
$281American Airlines
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
3:43 pm - 10:28 am
BOS
-
SAL
19h 45m2 stops
Multiple Airlines Logo
7:45 am - 1:50 pm
SAL
-
BOS
5h 05mnonstop
$283Multiple Airlines
Fri, Jan 30 - Fri, Feb 27
Multiple Airlines Logo
5:34 am - 2:52 pm
BOS
-
SAL
10h 18m1 stop
Multiple Airlines Logo
7:45 am - 1:50 pm
SAL
-
BOS
5h 05mnonstop
$284Multiple Airlines
Thu, Feb 5 - Mon, Feb 9

Spirit Airlines flights from Boston to San Salvador

Our best Spirit Airlines deals on Boston to San Salvador flight tickets
Spirit Airlines
Feb 3
BOS5:34 amBoston Logan Intl
10h 18m
1 stop
SAL2:52 pmSan Salvador El Salvador Intl
Mar 19
SAL2:57 pmSan Salvador El Salvador Intl
19h 53m
1 stop
BOS12:50 pmBoston Logan Intl
$273
Spirit Airlines
Jan 27
BOS5:34 amBoston Logan Intl
29h 54m
2 stops
SAL10:28 amSan Salvador El Salvador Intl
Feb 3
SAL4:02 pmSan Salvador El Salvador Intl
21h 36m
2 stops
BOS2:38 pmBoston Logan Intl
$280
Spirit Airlines
Jan 25
BOS5:34 amBoston Logan Intl
10h 18m
1 stop
SAL2:52 pmSan Salvador El Salvador Intl
Feb 1
SAL4:02 pmSan Salvador El Salvador Intl
23h 46m
1 stop
BOS4:48 pmBoston Logan Intl
$289

United Airlines flights from Boston to San Salvador

Our best United Airlines deals on Boston to San Salvador flight tickets
United Airlines
Jan 25
BOS7:05 amBoston Logan Intl
15h 14m
1 stop
SAL9:19 pmSan Salvador El Salvador Intl
Jan 27
SAL6:55 amSan Salvador El Salvador Intl
10h 06m
1 stop
BOS6:01 pmBoston Logan Intl
$293
United Airlines
Feb 2
BOS7:05 amBoston Logan Intl
15h 14m
1 stop
SAL9:19 pmSan Salvador El Salvador Intl
Feb 6
SAL11:54 pmSan Salvador El Salvador Intl
8h 20m
1 stop
BOS9:14 amBoston Logan Intl
$307
United Airlines
Jan 30
BOS5:45 amBoston Logan Intl
16h 34m
2 stops
SAL9:19 pmSan Salvador El Salvador Intl
Feb 10
SAL6:55 amSan Salvador El Salvador Intl
10h 06m
1 stop
BOS6:01 pmBoston Logan Intl
$311

momondo Fare Finder

 
Customize your flight search to find flights from Boston to San Salvador that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 11, 2026.
Use the filters below to find and compare flights from Boston to San Salvador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sat 1/31

6:00 am-1:36 pm

1 stop8h 36m

San Salvador El Salvador Intl

Wed 2/4

7:45 am-1:50 pm

Nonstop5h 05m

$270

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Wed 3/11

9:25 am-11:37 am

2 stops28h 12m

San Salvador El Salvador Intl

Tue 3/17

12:37 pm-1:45 pm

2 stops23h 08m

$272

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Tue 2/3

5:34 am-2:52 pm

1 stop10h 18m

San Salvador El Salvador Intl

Thu 3/19

2:57 pm-12:50 pm

1 stop19h 53m

$273

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Mon 2/16

6:52 pm-12:37 pm

2 stops18h 45m

San Salvador El Salvador Intl

Wed 2/25

1:37 pm-10:05 am

2 stops19h 28m

$275

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Fri 2/6

5:53 pm-10:29 am

1 stop17h 36m

San Salvador El Salvador Intl

Tue 2/10

4:02 pm-2:38 pm

2 stops21h 36m

$276

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Mon 1/26

5:27 pm-2:52 pm

1 stop22h 25m

San Salvador El Salvador Intl

Sat 2/7

2:51 pm-1:13 am

1 stop9h 22m

$278

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Tue 1/27

5:34 am-10:28 am

2 stops29h 54m

San Salvador El Salvador Intl

Tue 2/3

4:02 pm-2:38 pm

2 stops21h 36m

$280

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Thu 2/19

6:54 pm-12:37 pm

2 stops18h 43m

San Salvador El Salvador Intl

Mon 2/23

3:47 pm-10:57 am

2 stops18h 10m

$281

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Fri 1/30

3:43 pm-10:28 am

2 stops19h 45m

San Salvador El Salvador Intl

Fri 2/27

7:45 am-1:50 pm

Nonstop5h 05m

$283

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Thu 2/5

5:34 am-2:52 pm

1 stop10h 18m

San Salvador El Salvador Intl

Mon 2/9

7:45 am-1:50 pm

Nonstop5h 05m

$284

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Salvador from

How to get the cheapest flight ticket from Boston to San Salvador

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Salvador?

If you aren’t able to travel to San Salvador during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $347.

What is the cheapest day to depart on your flight to San Salvador?

On average, the least expensive day to fly to San Salvador from Boston is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $375. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to San Salvador on Thursday is $731.

What is the cheapest Boston Logan Intl to San Salvador El Salvador Intl flight route?

Fly from Boston Logan Intl to San Salvador El Salvador Intl for the best Boston Logan Intl - San Salvador El Salvador Intl flight prices

How far in advance should I book a flight to San Salvador?

You are more likely to see cheaper flights to San Salvador from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to San Salvador for around $482 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Salvador from Boston for as low as $376 on momondo.

What cabin class options are available on Boston Logan Intl to San Salvador El Salvador Intl flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to San Salvador El Salvador Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to San Salvador flights?

You could potentially save up to 28% on your flight if you consider stops on a Boston to San Salvador flight.

How have Boston to San Salvador flight prices changed over time?

As of January 2026, prices for Boston to San Salvador flights are approximately 41% cheaper when compared to flights at the same time last year.

When to book flights from Boston to San Salvador

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to San Salvador according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to San Salvador (BOS to SAL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to San Salvador

Best Price Found

$230

Fastest flight time

5h 25m

Direct flights

Mon, Tue, Thu and Sat

Airports in San Salvador

1 airport
The best one-way flight to San Salvador from Boston in the past 72 hours is $230. The best round-trip flight deal from Boston to San Salvador found on momondo in the last 72 hours is $373.
The fastest flight from Boston to San Salvador takes 5h 25m
Direct flights go from Boston to San Salvador on Monday, Tuesday, Thursday and Saturday. The only airline offering direct flights is Avianca.
There is 1 airport in San Salvador. From Boston there are direct flights to San Salvador El Salvador Intl (SAL).
  • How far is Boston Logan Intl to San Salvador El Salvador Intl by plane?

    San Salvador El Salvador Intl is 2256.2 mi away from Boston Logan Intl. A reasonable flight in good conditions will take 5h 25m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to San Salvador El Salvador Intl Airport?

    Prices for flights from Boston Logan Intl Airport to San Salvador El Salvador Intl Airport are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to San Salvador El Salvador Intl Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to San Salvador El Salvador Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to San Salvador El Salvador Intl Airport.

  • What documentation or ID do you need to fly to San Salvador El Salvador Intl Airport?

    The travel and health documents you'll need for your trip to San Salvador El Salvador Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Salvador El Salvador Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to San Salvador?

  • What is the most popular airline from Boston to San Salvador?

Best airlines flying from Boston to San Salvador

Compare and see reviews for airlines that fly from Boston to San Salvador with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $111Free CancellationRating
7.6
1,562 reviews
Search Copa Airlines flights
DeltaPriceFrom $149Free CancellationRating
7.9
8,037 reviews
Search Delta flights
Spirit AirlinesPriceFrom $154Free CancellationRating
6.3
8,301 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
9,145 reviews
Search United Airlines flights
FrontierPriceFrom $225Free CancellationRating
5.7
3,059 reviews
Search Frontier flights
AviancaPriceFrom $274Free CancellationRating
6.6
2,492 reviews
Search Avianca flights
American AirlinesPriceFrom $289Free CancellationRating
7.2
11,102 reviews
Search American Airlines flights
  • Avianca Flights From Boston to San Salvador

    Avianca is one of the most popular airlines flying from Boston to San Salvador, operating 3 flights/week on average for this route. A good Avianca flight deal for Boston to San Salvador starts from $274 round-trip, up to an average price of $505. Our users have rated Avianca at 6.6/10.

Traveling to a place near San Salvador?

Book flights to San Salvador if you plan to visit one of these locations
Sonsonate
Acajutla
La Libertad
El Cuco

Why use momondo?

Why should I use momondo to find a flight deal from Boston to San Salvador?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to San Salvador for you.

Can I find flights from Boston to San Salvador with flexible booking policies on momondo?

Yes. All flights to San Salvador from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boston to San Salvador?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to San Salvador.

I’m not ready to book a flight from Boston to San Salvador right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to San Salvador flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Tue 2/10
Tue 2/17

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