What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which layover airport has the shortest travel time from Boston to San Salvador?

Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 7h 57m.

Which airport is the most popular layover for flights between Boston and San Salvador?

Miami (MIA) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Boston Logan Intl to San Salvador El Salvador Intl?

Spirit Airlines, Avianca, and Frontier are the most popular carriers operating from Boston Logan Intl to San Salvador El Salvador Intl

How often are flights from Boston to San Salvador delayed?

Historically, on average around 17% of flights between Boston and San Salvador have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

What airlines fly to San Salvador?

Avianca, American Airlines and Copa Airlines are the top three most popular airlines that fly to San Salvador from Boston according to our data. Avianca is the first choice among our users, with 53% of people opting to fly with this airline when traveling to San Salvador. Keep in mind that there are 7 different airlines that fly to San Salvador on a routine basis, so you have a few additional options to choose from.

How many flights depart from Boston to San Salvador on average per week?

As of November 2025, there are 2 flights per week flying from Boston to San Salvador. The most common day of the week flights depart is Mon, with 50% of flights taking off on this day.

What is the most punctual flight time for Boston to San Salvador flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on Boston to San Salvador flights?

According to our data, Avianca have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

Which layover airport offers the lowest fares from Boston to San Salvador?

Flights via Panama City (PTY) offer the lowest average round-trip price of $418.

Which layover airport has the shortest connection time from Boston to San Salvador?

Houston (IAH) has the shortest average layover time for this route: 1h 54m.

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?

As of November 2025, there are 7 operators available to choose from 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.

$104 Cheap Flights from Boston to San Salvador in 2025/26

Q: What is the typical price of a round-trip flight between Boston and San Salvador?

Prices are currently low for flights on this route. Typical prices usually range from $361 to $672. The lowest price recently found on this route was $240.

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6:00 am - 2:21 pmBOS-SAL

9h 21m1 stop

3:49 pm - 10:01 amSAL-BOS

17h 12m1 stop

$240American Airlines

Find Deal

Wed, Jan 28 - Mon, Feb 2

6:23 pm - 12:31 pmBOS-SAL

19h 08m2 stops

1:31 pm - 12:59 amSAL-BOS

10h 28m1 stop

$244American Airlines

Find Deal

Fri, Jan 23 - Wed, Feb 4

6:17 pm - 2:49 pmBOS-SAL

21h 32m1 stop

1:31 pm - 12:59 amSAL-BOS

10h 28m1 stop

$247American Airlines

Find Deal

Fri, Jan 23 - Wed, Feb 4

8:47 pm - 12:31 pmBOS-SAL

16h 44m2 stops

1:31 pm - 11:35 amSAL-BOS

21h 04m1 stop

$248American Airlines

Find Deal

Sat, Jan 24 - Mon, Feb 2

5:30 am - 2:52 pmBOS-SAL

10h 22m1 stop

4:02 pm - 2:38 pmSAL-BOS

21h 36m2 stops

$254Spirit Airlines

Find Deal

Tue, Jan 20 - Tue, Jan 27

8:11 pm - 1:38 pmBOS-SAL

18h 27m2 stops

2:38 pm - 11:56 pmSAL-BOS

8h 18m1 stop

$264Spirit Airlines

Find Deal

Fri, Dec 5 - Sat, Dec 13

7:00 am - 9:19 pmBOS-SAL

15h 19m1 stop

11:54 pm - 10:38 amSAL-BOS

9h 44m1 stop

$268United Airlines

Find Deal

Mon, Nov 10 - Tue, Nov 11

3:25 pm - 8:15 pmBOS-SAL

5h 50mnonstop

7:45 am - 1:50 pmSAL-BOS

5h 05mnonstop

$292Avianca

Find Deal

Wed, Jan 21 - Wed, Jan 28

7:05 am - 3:24 pmBOS-SAL

9h 19m1 stop

4:40 pm - 12:19 pmSAL-BOS

18h 39m1 stop

$296United Airlines

Find Deal

Tue, Jan 27 - Sat, Jan 31

3:07 pm - 11:36 pmBOS-SAL

9h 29m1 stop

8:36 am - 10:03 pmSAL-BOS

12h 27m1 stop

$306Copa Airlines

Find Deal

Tue, Jan 20 - Tue, Jan 27

American Airlines flights from Boston to San Salvador

Our best American Airlines deals on Boston to San Salvador flight tickets

American Airlines

Jan 28

BOS6:00 amBoston Logan Intl

9h 21m

1 stop

SAL2:21 pmSan Salvador El Salvador Intl

Feb 2

SAL3:49 pmSan Salvador El Salvador Intl

17h 12m

1 stop

BOS10:01 amBoston Logan Intl

$240

Find similar

American Airlines

Jan 23

BOS6:23 pmBoston Logan Intl

19h 08m

2 stops

SAL12:31 pmSan Salvador El Salvador Intl

Feb 4

SAL1:31 pmSan Salvador El Salvador Intl

10h 28m

1 stop

BOS12:59 amBoston Logan Intl

$244

Find similar

American Airlines

Jan 23

BOS6:17 pmBoston Logan Intl

21h 32m

1 stop

SAL2:49 pmSan Salvador El Salvador Intl

Feb 4

SAL1:31 pmSan Salvador El Salvador Intl

10h 28m

1 stop

BOS12:59 amBoston Logan Intl

$247

Find similar

Spirit Airlines flights from Boston to San Salvador

Our best Spirit Airlines deals on Boston to San Salvador flight tickets

Spirit Airlines

Jan 20

BOS5:30 amBoston Logan Intl

10h 22m

1 stop

SAL2:52 pmSan Salvador El Salvador Intl

Jan 27

SAL4:02 pmSan Salvador El Salvador Intl

21h 36m

2 stops

BOS2:38 pmBoston Logan Intl

$254

Find similar

Spirit Airlines

Dec 5

BOS8:11 pmBoston Logan Intl

18h 27m

2 stops

SAL1:38 pmSan Salvador El Salvador Intl

Dec 13

SAL2:38 pmSan Salvador El Salvador Intl

8h 18m

1 stop

BOS11:56 pmBoston Logan Intl

$264

Find similar

Spirit Airlines

Dec 5

BOS8:11 pmBoston Logan Intl

18h 27m

2 stops

SAL1:38 pmSan Salvador El Salvador Intl

Dec 12

SAL3:52 pmSan Salvador El Salvador Intl

26h 14m

2 stops

BOS7:06 pmBoston Logan Intl

$284

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Wed 1/28

6:00 am-2:21 pm

1 stop9h 21m

San Salvador El Salvador Intl

Mon 2/2

3:49 pm-10:01 am

1 stop17h 12m

$240

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Fri 1/23

6:23 pm-12:31 pm

2 stops19h 08m

San Salvador El Salvador Intl

Wed 2/4

1:31 pm-12:59 am

1 stop10h 28m

$244

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Fri 1/23

6:17 pm-2:49 pm

1 stop21h 32m

San Salvador El Salvador Intl

Wed 2/4

1:31 pm-12:59 am

1 stop10h 28m

$247

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Sat 1/24

8:47 pm-12:31 pm

2 stops16h 44m

San Salvador El Salvador Intl

Mon 2/2

1:31 pm-11:35 am

1 stop21h 04m

$248

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Tue 1/20

5:30 am-2:52 pm

1 stop10h 22m

San Salvador El Salvador Intl

Tue 1/27

4:02 pm-2:38 pm

2 stops21h 36m

$254

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Fri 12/5

8:11 pm-1:38 pm

2 stops18h 27m

San Salvador El Salvador Intl

Sat 12/13

2:38 pm-11:56 pm

1 stop8h 18m

$264

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Mon 11/10

7:00 am-9:19 pm

1 stop15h 19m

San Salvador El Salvador Intl

Tue 11/11

11:54 pm-10:38 am

1 stop9h 44m

$268

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Wed 1/21

3:25 pm-8:15 pm

Nonstop5h 50m

San Salvador El Salvador Intl

Wed 1/28

7:45 am-1:50 pm

Nonstop5h 05m

$292

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Tue 1/27

7:05 am-3:24 pm

1 stop9h 19m

San Salvador El Salvador Intl

Sat 1/31

4:40 pm-12:19 pm

1 stop18h 39m

$296

BostonSan Salvador

BOS - SAL

BOSSAL

Boston Logan Intl

Tue 1/20

3:07 pm-11:36 pm

1 stop9h 29m

San Salvador El Salvador Intl

Tue 1/27

8:36 am-10:03 pm

1 stop12h 27m

$306

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Layovers

Other information

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 $353.

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 $582.

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 morning. Flights from Boston to San Salvador during this time can be as low as $533. 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 $508 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 $428 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?

No. A direct flight is the cheapest option for a flight between Boston to San Salvador.

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

As of November 2025, prices for Boston to San Salvador flights are approximately 1% more expensive 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	$198
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 $198. The best round-trip flight deal from Boston to San Salvador found on momondo in the last 72 hours is $341.

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 near San Salvador: San Salvador El Salvador Intl (SAL)

Search flight deals

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?
As of November 2025, there are 7 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Boston to San Salvador is Airbus A320neo (87.35% of total bookings). The next most popular plane models are Airbus A320-100/200 (7.82%), Boeing 787-9 Dreamliner (1.66%), and Boeing 737 MAX 8 (0.83%).
What is the most popular airline from Boston to San Salvador?
Based on momondo bookings for flights between Boston and San Salvador, the leading airline is Avianca, making up 47% of the total bookings. Other popular airlines include American Airlines with 22%, Copa Airlines with 10%, and United Airlines with 9%.

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 Airlines	PriceFrom $129	Free Cancellation	Rating 7.6 1,563 reviews	Search Copa Airlines flights
Spirit Airlines	PriceFrom $154	Free Cancellation	Rating 6.3 8,122 reviews	Search Spirit Airlines flights
Delta	PriceFrom $206	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
United Airlines	PriceFrom $220	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
Avianca	PriceFrom $278	Free Cancellation	Rating 6.6 2,468 reviews	Search Avianca flights
American Airlines	PriceFrom $316	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
Frontier	PriceFrom $413	Free Cancellation	Rating 5.8 3,115 reviews	Search Frontier flights

Avianca Flights From Boston to San Salvador
Avianca is one of the most popular airlines flying from Boston to San Salvador, operating 2 flights/week on average for this route. A good Avianca flight deal for Boston to San Salvador starts from $278 round-trip, up to an average price of $542. Our users have rated Avianca at 6.6/10.

Sonsonate

La Libertad

Acajutla

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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Cheap flights from Boston to San Salvador from $143

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 12/9. 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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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 $353.

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

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

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?

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?

No. A direct flight is the cheapest option for a flight between Boston to San Salvador.

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

As of November 2025, prices for Boston to San Salvador flights are approximately 1% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Boston Logan Intl to San Salvador El Salvador Intl?

Spirit Airlines, Avianca, and Frontier are the most popular carriers operating from Boston Logan Intl to San Salvador El Salvador Intl

What airlines fly to San Salvador?

How often are flights from Boston to San Salvador delayed?

Historically, on average around 17% of flights between Boston and San Salvador have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

What is the most punctual flight time for Boston to San Salvador flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Boston to San Salvador flights?

According to our data, Avianca have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Boston and San Salvador?

Miami (MIA) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Boston to San Salvador?

Flights via Panama City (PTY) offer the lowest average round-trip price of $418.

Which layover airport has the shortest travel time from Boston to San Salvador?

Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 7h 57m.

Which layover airport has the shortest connection time from Boston to San Salvador?

Houston (IAH) has the shortest average layover time for this route: 1h 54m.

How many flights depart from Boston to San Salvador on average per week?

As of November 2025, there are 2 flights per week flying from Boston to San Salvador. The most common day of the week flights depart is Mon, with 50% of flights taking off on this day.

When to book flights from Boston to San Salvador

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

Fastest flight time

Direct flights

Airports in San Salvador

How far is Boston Logan Intl to San Salvador El Salvador Intl by plane?

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

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?

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

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

Avianca Flights From Boston to San Salvador

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Why use momondo?

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

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