Cheap flights from Boston to San Salvador from $191

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 4/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to San Salvador

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
8:45 am - 6:30 am
BOS
-
SAL
23h 45m
1 stop
Avianca Logo
7:45 am - 2:50 pm
SAL
-
BOS
5h 05mnonstop
$342Avianca
Sat, May 16 - Wed, May 20
Avianca Logo
8:45 am - 3:40 pm
BOS
-
SAL
32h 55m
1 stop
Avianca Logo
7:45 am - 2:50 pm
SAL
-
BOS
5h 05mnonstop
$371Avianca
Sat, May 16 - Wed, May 20
Avianca Logo
4:50 pm - 8:15 pm
BOS
-
SAL
5h 25mnonstop
Avianca Logo
10:05 pm - 7:10 am
SAL
-
BOS
31h 05m
1 stop
$401Avianca
Fri, Jun 5 - Sun, Jun 7
Copa Airlines Logo
3:55 pm - 11:34 pm
BOS
-
SAL
9h 39m
1 stop
Copa Airlines Logo
8:30 am - 11:02 pm
SAL
-
BOS
12h 32m
1 stop
$419Copa Airlines
Wed, Sep 16 - Wed, Oct 7
Delta Logo
5:45 am - 12:04 pm
BOS
-
SAL
8h 19m
1 stop
Delta Logo
1:37 pm - 1:06 am
SAL
-
BOS
9h 29m
1 stop
$431Delta
Sun, Aug 30 - Fri, Sep 25
Avianca Logo
8:45 am - 6:30 am
BOS
-
SAL
23h 45m
1 stop
Avianca Logo
7:45 am - 2:50 pm
SAL
-
BOS
5h 05mnonstop
$433Avianca
Sat, May 16 - Wed, May 20
Copa Airlines Logo
4:00 pm - 11:36 pm
BOS
-
SAL
9h 36m
1 stop
Copa Airlines Logo
1:58 pm - 11:08 pm
SAL
-
BOS
31h 10m
1 stop
$450Copa Airlines
Mon, May 25 - Tue, Jun 2
United Airlines Logo
1:30 pm - 8:49 pm
BOS
-
SAL
9h 19m
1 stop
United Airlines Logo
1:20 pm - 11:59 pm
SAL
-
BOS
8h 39m
1 stop
$451United Airlines
Wed, Apr 29 - Sat, Jun 6
Copa Airlines Logo
8:47 am - 8:31 pm
BOS
-
SAL
13h 44m
1 stop
Copa Airlines Logo
8:30 am - 11:02 pm
SAL
-
BOS
12h 32m
1 stop
$453Copa Airlines
Wed, Sep 16 - Sun, Oct 4
United Airlines Logo
1:29 pm - 8:49 pm
BOS
-
SAL
9h 20m
1 stop
United Airlines Logo
1:25 pm - 9:24 am
SAL
-
BOS
17h 59m
2 stops
$455United Airlines
Wed, Sep 16 - Wed, Oct 7

Avianca flights from Boston to San Salvador

Our best Avianca deals on Boston to San Salvador flight tickets
Avianca
May 16
BOS8:45 amBoston Logan Intl
23h 45m
1 stop
SAL6:30 amSan Salvador El Salvador Intl
May 20
SAL7:45 amSan Salvador El Salvador Intl
5h 05m
BOS2:50 pmBoston Logan Intl
$342
Avianca
May 16
BOS8:45 amBoston Logan Intl
32h 55m
1 stop
SAL3:40 pmSan Salvador El Salvador Intl
May 20
SAL7:45 amSan Salvador El Salvador Intl
5h 05m
BOS2:50 pmBoston Logan Intl
$371
Avianca
Jun 5
BOS4:50 pmBoston Logan Intl
5h 25m
SAL8:15 pmSan Salvador El Salvador Intl
Jun 7
SAL10:05 pmSan Salvador El Salvador Intl
31h 05m
1 stop
BOS7:10 amBoston Logan Intl
$401

Copa Airlines flights from Boston to San Salvador

Our best Copa Airlines deals on Boston to San Salvador flight tickets
Copa Airlines
May 27
BOS8:52 amBoston Logan Intl
13h 41m
1 stop
SAL8:33 pmSan Salvador El Salvador Intl
Jun 3
SAL4:53 amSan Salvador El Salvador Intl
16h 15m
1 stop
BOS11:08 pmBoston Logan Intl
$419
Copa Airlines
May 25
BOS4:00 pmBoston Logan Intl
9h 36m
1 stop
SAL11:36 pmSan Salvador El Salvador Intl
Jun 2
SAL1:58 pmSan Salvador El Salvador Intl
31h 10m
1 stop
BOS11:08 pmBoston Logan Intl
$450
Copa Airlines
Jul 15
BOS3:57 pmBoston Logan Intl
9h 40m
1 stop
SAL11:37 pmSan Salvador El Salvador Intl
Jul 29
SAL8:30 amSan Salvador El Salvador Intl
12h 40m
1 stop
BOS11:10 pmBoston Logan Intl
$453

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 April 18, 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

Cheapest round-trip

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sat 5/16

8:45 am-6:30 am

1 stop23h 45m

San Salvador El Salvador Intl

Wed 5/20

7:45 am-2:50 pm

Nonstop5h 05m

$342

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sat 5/16

8:45 am-3:40 pm

1 stop32h 55m

San Salvador El Salvador Intl

Wed 5/20

7:45 am-2:50 pm

Nonstop5h 05m

$371

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Fri 6/5

4:50 pm-8:15 pm

Nonstop5h 25m

San Salvador El Salvador Intl

Sun 6/7

10:05 pm-7:10 am

1 stop31h 05m

$401

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Wed 9/16

3:55 pm-11:34 pm

1 stop9h 39m

San Salvador El Salvador Intl

Wed 10/7

8:30 am-11:02 pm

1 stop12h 32m

$419
Quickest round-trip

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sun 8/30

5:45 am-12:04 pm

1 stop8h 19m

San Salvador El Salvador Intl

Fri 9/25

1:37 pm-1:06 am

1 stop9h 29m

$431

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sat 5/16

8:45 am-6:30 am

1 stop23h 45m

San Salvador El Salvador Intl

Wed 5/20

7:45 am-2:50 pm

Nonstop5h 05m

$433

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Mon 5/25

4:00 pm-11:36 pm

1 stop9h 36m

San Salvador El Salvador Intl

Tue 6/2

1:58 pm-11:08 pm

1 stop31h 10m

$450

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Wed 4/29

1:30 pm-8:49 pm

1 stop9h 19m

San Salvador El Salvador Intl

Sat 6/6

1:20 pm-11:59 pm

1 stop8h 39m

$451

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Wed 9/16

8:47 am-8:31 pm

1 stop13h 44m

San Salvador El Salvador Intl

Sun 10/4

8:30 am-11:02 pm

1 stop12h 32m

$453

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Wed 9/16

1:29 pm-8:49 pm

1 stop9h 20m

San Salvador El Salvador Intl

Wed 10/7

1:25 pm-9:24 am

2 stops17h 59m

$455

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 typical price of a round-trip flight between Boston and San Salvador?

What is the cheapest month to fly to San Salvador?

If you aren’t able to travel to San Salvador during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $345.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $486. 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 $567.

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 $458 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 $339 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 44% 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 April 2026, prices for Boston to San Salvador flights are approximately 18% 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

$204

Fastest flight time

5h 25m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in San Salvador

1 airport
The best one-way flight to San Salvador from Boston in the past 72 hours is $204. The best round-trip flight deal from Boston to San Salvador found on momondo in the last 72 hours is $476.
The fastest flight from Boston to San Salvador takes 5h 25m
Direct flights go from Boston to San Salvador on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in San Salvador. From Boston there are direct flights to San Salvador El Salvador Intl (SAL).

Frequently asked questions about flying from Boston to San Salvador

  • 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 $92Free CancellationRating
7.5
1,579 reviews
Search Copa Airlines flights
Spirit AirlinesPriceFrom $121Free CancellationRating
6.3
8,625 reviews
Search Spirit Airlines flights
DeltaPriceFrom $140Free CancellationRating
7.9
8,420 reviews
Search Delta flights
United AirlinesPriceFrom $153Free CancellationRating
7.4
9,604 reviews
Search United Airlines flights
FrontierPriceFrom $160Free CancellationRating
5.7
2,986 reviews
Search Frontier flights
AviancaPriceFrom $214Free CancellationRating
6.5
2,513 reviews
Search Avianca flights
American AirlinesPriceFrom $305Free CancellationRating
7.1
11,616 reviews
Search American Airlines flights
GOLPriceFrom $475Free CancellationRating
7.3
1,204 reviews
Search GOL 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 $214 round-trip, up to an average price of $480. Our users have rated Avianca at 6.5/10.

Traveling to a place near San Salvador?

Book flights to San Salvador if you plan to visit one of these locations
Acajutla
La Libertad
Sonsonate
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
Mon 5/18
Mon 5/25

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