Cheap flights from Boston to San Salvador from $163

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 1/4. 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
5:34 am - 2:52 pm
BOS
-
SAL
10h 18m1 stop
Multiple Airlines Logo
11:23 am - 1:13 am
SAL
-
BOS
12h 50m2 stops
$275Multiple Airlines
Tue, Jan 13 - Fri, Jan 23
Multiple Airlines Logo
6:00 am - 7:40 pm
BOS
-
SAL
14h 40m2 stops
Multiple Airlines Logo
2:36 pm - 1:03 am
SAL
-
BOS
9h 27m1 stop
$276Multiple Airlines
Wed, Jan 14 - Wed, Jan 21
Spirit Airlines Logo
5:27 pm - 2:52 pm
BOS
-
SAL
22h 25m1 stop
Spirit Airlines Logo
4:02 pm - 4:28 pm
SAL
-
BOS
23h 26m1 stop
$278Spirit Airlines
Sat, Jan 17 - Sun, Feb 1
American Airlines Logo
6:59 pm - 12:37 pm
BOS
-
SAL
18h 38m2 stops
American Airlines Logo
4:00 pm - 9:29 am
SAL
-
BOS
16h 29m2 stops
$279American Airlines
Sun, Feb 15 - Sat, Mar 7
Spirit Airlines Logo
5:34 am - 2:52 pm
BOS
-
SAL
10h 18m1 stop
Spirit Airlines Logo
4:02 pm - 2:38 pm
SAL
-
BOS
21h 36m2 stops
$280Spirit Airlines
Tue, Jan 13 - Thu, Jan 22
Multiple Airlines Logo
5:45 am - 2:47 pm
BOS
-
SAL
10h 02m1 stop
Multiple Airlines Logo
7:34 am - 2:38 pm
SAL
-
BOS
30h 04m3 stops
$281Multiple Airlines
Mon, Jan 5 - Wed, Jan 21
Multiple Airlines Logo
5:34 am - 2:52 pm
BOS
-
SAL
10h 18m1 stop
Multiple Airlines Logo
8:00 am - 11:19 pm
SAL
-
BOS
14h 19m2 stops
$282Multiple Airlines
Tue, Feb 3 - Wed, Feb 4
Multiple Airlines Logo
10:43 am - 1:31 pm
BOS
-
SAL
27h 48m1 stop
Multiple Airlines Logo
11:23 am - 11:57 pm
SAL
-
BOS
11h 34m2 stops
$283Multiple Airlines
Mon, Jan 5 - Wed, Jan 21
United Airlines Logo
4:49 pm - 1:19 pm
BOS
-
SAL
21h 30m2 stops
United Airlines Logo
11:54 pm - 7:08 pm
SAL
-
BOS
18h 14m2 stops
$284United Airlines
Tue, Feb 3 - Wed, Feb 11
Multiple Airlines Logo
3:43 pm - 10:28 am
BOS
-
SAL
19h 45m2 stops
Multiple Airlines Logo
2:52 pm - 1:13 am
SAL
-
BOS
9h 21m1 stop
$285Multiple Airlines
Fri, Jan 9 - Sat, Jan 17

Copa Airlines flights from Boston to San Salvador

Our best Copa Airlines deals on Boston to San Salvador flight tickets
Copa Airlines
Jan 23
BOS3:07 pmBoston Logan Intl
9h 29m
1 stop
SAL11:36 pmSan Salvador El Salvador Intl
Jan 27
SAL8:36 amSan Salvador El Salvador Intl
12h 27m
1 stop
BOS10:03 pmBoston Logan Intl
Copa Airlines
Apr 26
BOS3:51 pmBoston Logan Intl
9h 45m
1 stop
SAL11:36 pmSan Salvador El Salvador Intl
May 7
SAL4:53 amSan Salvador El Salvador Intl
16h 15m
1 stop
BOS11:08 pmBoston Logan Intl

Spirit Airlines flights from Boston to San Salvador

Our best Spirit Airlines deals on Boston to San Salvador flight tickets
Spirit Airlines
Jan 17
BOS5:27 pmBoston Logan Intl
22h 25m
1 stop
SAL2:52 pmSan Salvador El Salvador Intl
Feb 1
SAL4:02 pmSan Salvador El Salvador Intl
23h 26m
1 stop
BOS4:28 pmBoston Logan Intl
Spirit Airlines
Jan 13
BOS5:34 amBoston Logan Intl
10h 18m
1 stop
SAL2:52 pmSan Salvador El Salvador Intl
Jan 22
SAL4:02 pmSan Salvador El Salvador Intl
21h 36m
2 stops
BOS2:38 pmBoston Logan Intl
Spirit Airlines
Jan 6
BOS5:45 amBoston Logan Intl
10h 02m
1 stop
SAL2:47 pmSan Salvador El Salvador Intl
Jan 13
SAL4:02 pmSan Salvador El Salvador Intl
21h 36m
2 stops
BOS2:38 pmBoston Logan Intl

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 December 23, 2025.
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

Tue 1/13

5:34 am-2:52 pm

1 stop10h 18m

San Salvador El Salvador Intl

Fri 1/23

11:23 am-1:13 am

2 stops12h 50m

$275

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Wed 1/14

6:00 am-7:40 pm

2 stops14h 40m

San Salvador El Salvador Intl

Wed 1/21

2:36 pm-1:03 am

1 stop9h 27m

$276

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sat 1/17

5:27 pm-2:52 pm

1 stop22h 25m

San Salvador El Salvador Intl

Sun 2/1

4:02 pm-4:28 pm

1 stop23h 26m

$278

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sun 2/15

6:59 pm-12:37 pm

2 stops18h 38m

San Salvador El Salvador Intl

Sat 3/7

4:00 pm-9:29 am

2 stops16h 29m

$279

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Tue 1/13

5:34 am-2:52 pm

1 stop10h 18m

San Salvador El Salvador Intl

Thu 1/22

4:02 pm-2:38 pm

2 stops21h 36m

$280

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Mon 1/5

5:45 am-2:47 pm

1 stop10h 02m

San Salvador El Salvador Intl

Wed 1/21

7:34 am-2:38 pm

3 stops30h 04m

$281

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

Wed 2/4

8:00 am-11:19 pm

2 stops14h 19m

$282

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Mon 1/5

10:43 am-1:31 pm

1 stop27h 48m

San Salvador El Salvador Intl

Wed 1/21

11:23 am-11:57 pm

2 stops11h 34m

$283

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Tue 2/3

4:49 pm-1:19 pm

2 stops21h 30m

San Salvador El Salvador Intl

Wed 2/11

11:54 pm-7:08 pm

2 stops18h 14m

$284

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Fri 1/9

3:43 pm-10:28 am

2 stops19h 45m

San Salvador El Salvador Intl

Sat 1/17

2:52 pm-1:13 am

1 stop9h 21m

$285

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 October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $350.

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 $797.

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

Our most recent data shows that the best time of day to fly to San Salvador is in the afternoon. Flights from Boston to San Salvador during this time can be as low as $532. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $559 on average. Flights to San Salvador from Boston at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $491 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 $369 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 10% 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 December 2025, prices for Boston to San Salvador flights are approximately 11% 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

$224

Fastest flight time

5h 50m

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 $224. The best round-trip flight deal from Boston to San Salvador found on momondo in the last 72 hours is $347.
The fastest flight from Boston to San Salvador takes 5h 50m
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 50m.

  • 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 $110Free CancellationRating
7.6
1,557 reviews
Search Copa Airlines flights
Spirit AirlinesPriceFrom $131Free CancellationRating
6.3
8,196 reviews
Search Spirit Airlines flights
DeltaPriceFrom $154Free CancellationRating
7.9
8,014 reviews
Search Delta flights
United AirlinesPriceFrom $210Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights
FrontierPriceFrom $225Free CancellationRating
5.8
3,075 reviews
Search Frontier flights
AviancaPriceFrom $275Free CancellationRating
6.6
2,492 reviews
Search Avianca flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights

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
Thu 1/22
Thu 1/29

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