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Cheap flights from San Salvador to Boston 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 San Salvador to Boston departing on 12/10. 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 San Salvador to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
7:45 am - 1:50 pm
SAL
-
BOS
5h 05mnonstop
Avianca Logo
3:25 pm - 8:15 pm
BOS
-
SAL
5h 50mnonstop
$257Avianca
Fri, Jan 23 - Fri, Jan 30
Spirit Airlines Logo
3:52 pm - 11:57 pm
SAL
-
BOS
7h 05m1 stop
Spirit Airlines Logo
5:34 am - 2:52 pm
BOS
-
SAL
10h 18m1 stop
$259Spirit Airlines
Thu, Dec 18 - Tue, Jan 13
Spirit Airlines Logo
3:52 pm - 11:57 pm
SAL
-
BOS
7h 05m1 stop
Spirit Airlines Logo
5:34 am - 2:52 pm
BOS
-
SAL
10h 18m1 stop
$260Spirit Airlines
Thu, Dec 18 - Tue, Jan 13
Avianca Logo
7:45 am - 1:50 pm
SAL
-
BOS
5h 05mnonstop
Avianca Logo
3:25 pm - 8:15 pm
BOS
-
SAL
5h 50mnonstop
$261Avianca
Mon, Feb 9 - Mon, Feb 16
Multiple Airlines Logo
7:45 am - 1:50 pm
SAL
-
BOS
5h 05mnonstop
Multiple Airlines Logo
6:00 am - 11:56 am
BOS
-
SAL
30h 56m1 stop
$262Multiple Airlines
Sun, Dec 21 - Thu, Jan 1
Avianca Logo
7:45 am - 1:50 pm
SAL
-
BOS
5h 05mnonstop
Avianca Logo
3:25 pm - 8:15 pm
BOS
-
SAL
5h 50mnonstop
$263Avianca
Fri, Jan 23 - Wed, Jan 28
Spirit Airlines Logo
3:52 pm - 11:57 pm
SAL
-
BOS
7h 05m1 stop
Spirit Airlines Logo
5:34 am - 2:52 pm
BOS
-
SAL
10h 18m1 stop
$269Spirit Airlines
Thu, Dec 18 - Tue, Jan 13
Avianca Logo
7:45 am - 1:50 pm
SAL
-
BOS
5h 05mnonstop
Avianca Logo
3:25 pm - 8:15 pm
BOS
-
SAL
5h 50mnonstop
$270Avianca
Mon, Mar 2 - Fri, Mar 6
Frontier Logo
1:06 pm - 1:19 am
SAL
-
BOS
11h 13m1 stop
Frontier Logo
6:00 am - 9:35 am
BOS
-
SAL
28h 35m2 stops
$271Frontier
Mon, Dec 22 - Thu, Jan 1
Spirit Airlines Logo
4:02 pm - 2:38 pm
SAL
-
BOS
21h 36m2 stops
Spirit Airlines Logo
5:34 am - 2:52 pm
BOS
-
SAL
10h 18m1 stop
$272Spirit Airlines
Sun, Jan 25 - Thu, Feb 5

Avianca flights from San Salvador to Boston

Our best Avianca deals on San Salvador to Boston flight tickets
Avianca
Jan 23
SAL7:45 amSan Salvador El Salvador Intl
5h 05m
BOS1:50 pmBoston Logan Intl
Jan 30
BOS3:25 pmBoston Logan Intl
5h 50m
SAL8:15 pmSan Salvador El Salvador Intl
$257
Find similar
Avianca
Feb 9
SAL7:45 amSan Salvador El Salvador Intl
5h 05m
BOS1:50 pmBoston Logan Intl
Feb 16
BOS3:25 pmBoston Logan Intl
5h 50m
SAL8:15 pmSan Salvador El Salvador Intl
$261
Find similar
Avianca
Jan 23
SAL7:45 amSan Salvador El Salvador Intl
5h 05m
BOS1:50 pmBoston Logan Intl
Jan 28
BOS3:25 pmBoston Logan Intl
5h 50m
SAL8:15 pmSan Salvador El Salvador Intl
$263
Find similar

Spirit Airlines flights from San Salvador to Boston

Our best Spirit Airlines deals on San Salvador to Boston flight tickets
Spirit Airlines
Dec 18
SAL3:52 pmSan Salvador El Salvador Intl
7h 05m
1 stop
BOS11:57 pmBoston Logan Intl
Jan 13
BOS5:34 amBoston Logan Intl
10h 18m
1 stop
SAL2:52 pmSan Salvador El Salvador Intl
$259
Find similar
Spirit Airlines
Dec 18
SAL3:52 pmSan Salvador El Salvador Intl
7h 05m
1 stop
BOS11:57 pmBoston Logan Intl
Jan 13
BOS5:34 amBoston Logan Intl
10h 18m
1 stop
SAL2:52 pmSan Salvador El Salvador Intl
$260
Find similar
Spirit Airlines
Dec 18
SAL3:52 pmSan Salvador El Salvador Intl
7h 05m
1 stop
BOS11:57 pmBoston Logan Intl
Jan 13
BOS5:34 amBoston Logan Intl
10h 18m
1 stop
SAL2:52 pmSan Salvador El Salvador Intl
$269
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Salvador to Boston 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 4, 2025.
Use the filters below to find and compare flights from San Salvador to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Fri 1/23

7:45 am-1:50 pm

Nonstop5h 05m

Boston Logan Intl

Fri 1/30

3:25 pm-8:15 pm

Nonstop5h 50m

$257

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Thu 12/18

3:52 pm-11:57 pm

1 stop7h 05m

Boston Logan Intl

Tue 1/13

5:34 am-2:52 pm

1 stop10h 18m

$259

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Thu 12/18

3:52 pm-11:57 pm

1 stop7h 05m

Boston Logan Intl

Tue 1/13

5:34 am-2:52 pm

1 stop10h 18m

$260

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Mon 2/9

7:45 am-1:50 pm

Nonstop5h 05m

Boston Logan Intl

Mon 2/16

3:25 pm-8:15 pm

Nonstop5h 50m

$261

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Sun 12/21

7:45 am-1:50 pm

Nonstop5h 05m

Boston Logan Intl

Thu 1/1

6:00 am-11:56 am

1 stop30h 56m

$262

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Fri 1/23

7:45 am-1:50 pm

Nonstop5h 05m

Boston Logan Intl

Wed 1/28

3:25 pm-8:15 pm

Nonstop5h 50m

$263

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Thu 12/18

3:52 pm-11:57 pm

1 stop7h 05m

Boston Logan Intl

Tue 1/13

5:34 am-2:52 pm

1 stop10h 18m

$269

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Mon 3/2

7:45 am-1:50 pm

Nonstop5h 05m

Boston Logan Intl

Fri 3/6

3:25 pm-8:15 pm

Nonstop5h 50m

$270

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Mon 12/22

1:06 pm-1:19 am

1 stop11h 13m

Boston Logan Intl

Thu 1/1

6:00 am-9:35 am

2 stops28h 35m

$271

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Sun 1/25

4:02 pm-2:38 pm

2 stops21h 36m

Boston Logan Intl

Thu 2/5

5:34 am-2:52 pm

1 stop10h 18m

$272

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Salvador to Boston

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 San Salvador and Boston?

What is the cheapest month to fly to Boston?

In general, October is the cheapest month to fly from San Salvador to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $280. If you aren’t able to travel during the month of October, then book flights to Boston from San Salvador during September instead. Flights to Boston in September, while not as cheap as those in October, still average around $371.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from San Salvador to Boston is on a Saturday when prices can be found for as low as $212. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Wednesday is $522.

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

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from San Salvador to Boston in the evening for as low as $383. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Boston, so prices are often more expensive at around $468 per ticket.

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

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

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from San Salvador when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $440 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from San Salvador for as low as $324 on momondo.

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

There are 2 cabin classes available to choose from on San Salvador El Salvador Intl to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of December 2025, prices for San Salvador to Boston flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from San Salvador to Boston

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

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

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

Best Price Found

$158

Fastest flight time

5h 10m

Direct flights

Mon, Tue, Thu and Sat

Airports in Boston

1 airport
The best one-way flight to Boston from San Salvador in the past 72 hours is $158. The best round-trip flight deal from San Salvador to Boston found on momondo in the last 72 hours is $295.
The fastest flight from San Salvador to Boston takes 5h 10m
Direct flights go from San Salvador to Boston on Monday, Tuesday, Thursday and Saturday. The only airline offering direct flights is Avianca.
There is 1 airport near Boston: Boston Logan Intl (BOS)
Search flight deals

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

    The distance between San Salvador El Salvador Intl and Boston Logan Intl is about 2256.2 mi. In terms of flight time, this usually takes a little over 5h 05m.

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

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

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

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

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from San Salvador to Boston

Compare and see reviews for airlines that fly from San Salvador to Boston with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $150Free CancellationRating
7.9
8,010 reviews
Search Delta flights
United AirlinesPriceFrom $152Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $204Free CancellationRating
7.6
1,554 reviews
Search Copa Airlines flights
Spirit AirlinesPriceFrom $211Free CancellationRating
6.3
8,160 reviews
Search Spirit Airlines flights
AviancaPriceFrom $274Free CancellationRating
6.6
2,479 reviews
Search Avianca flights
American AirlinesPriceFrom $396Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

  • Avianca Flights From San Salvador to Boston

    Avianca is one of the most popular airlines flying from San Salvador to Boston, operating 3 flights/week on average for this route. A good Avianca flight deal for San Salvador to Boston starts from $274 round-trip, up to an average price of $478. Our users have rated Avianca at 6.6/10.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
South Yarmouth
Cambridge
Narragansett
Gloucester
Nashua
Falmouth
Laconia
Brockton
Concord
Everett
Sturbridge
Chatham

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Boston from San Salvador.

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

Flights from San Salvador to Boston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential San Salvador to Boston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for San Salvador to Boston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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