Cheap flights from San Salvador to Boston from $315

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 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
1:59 pm - 2:39 pm
SAL
-
BOS
22h 40m
1 stop
Copa Airlines Logo
8:47 am - 11:34 pm
BOS
-
SAL
16h 47m
1 stop
$435Copa Airlines
Wed, Sep 16 - Tue, Sep 22
Avianca Logo
7:45 am - 2:50 pm
SAL
-
BOS
5h 05mnonstop
Avianca Logo
4:50 pm - 8:15 pm
BOS
-
SAL
5h 25mnonstop
$447Avianca
Sat, Sep 12 - Sun, Sep 13
Delta Logo
1:37 pm - 11:16 pm
SAL
-
BOS
7h 39m
1 stop
Delta Logo
6:50 am - 12:22 pm
BOS
-
SAL
7h 32m
1 stop
$450Delta
Fri, Sep 18 - Mon, Sep 21
Copa Airlines Logo
8:30 am - 11:02 pm
SAL
-
BOS
12h 32m
1 stop
Copa Airlines Logo
8:31 am - 11:35 pm
BOS
-
SAL
17h 04m
1 stop
$458Copa Airlines
Sun, Oct 4 - Sun, Oct 25
Avianca Logo
7:45 am - 2:50 pm
SAL
-
BOS
5h 05mnonstop
Avianca Logo
4:50 pm - 8:15 pm
BOS
-
SAL
5h 25mnonstop
$468Avianca
Wed, Sep 9 - Fri, Sep 18
Avianca Logo
7:45 am - 2:50 pm
SAL
-
BOS
5h 05mnonstop
Avianca Logo
4:50 pm - 8:15 pm
BOS
-
SAL
5h 25mnonstop
$469Avianca
Sat, Sep 12 - Sun, Sep 20
Copa Airlines Logo
8:30 am - 11:10 pm
SAL
-
BOS
12h 40m
1 stop
Copa Airlines Logo
8:47 am - 8:31 pm
BOS
-
SAL
13h 44m
1 stop
$475Copa Airlines
Fri, Jul 10 - Sun, Sep 27
Avianca Logo
7:45 am - 1:50 pm
SAL
-
BOS
5h 05mnonstop
Avianca Logo
3:25 pm - 8:15 pm
BOS
-
SAL
5h 50mnonstop
$478Avianca
Mon, Nov 2 - Mon, Nov 9
Avianca Logo
7:45 am - 2:50 pm
SAL
-
BOS
5h 05mnonstop
Avianca Logo
4:50 pm - 8:15 pm
BOS
-
SAL
5h 25mnonstop
$480Avianca
Sun, Jun 7 - Tue, Jun 16
Avianca Logo
7:45 am - 2:50 pm
SAL
-
BOS
5h 05mnonstop
Avianca Logo
4:50 pm - 8:15 pm
BOS
-
SAL
5h 25mnonstop
$481Avianca
Fri, Sep 11 - Sun, Sep 20

American Airlines flights from San Salvador to Boston

Our best American Airlines deals on San Salvador to Boston flight tickets
American Airlines
Jun 5
SAL6:01 amSan Salvador El Salvador Intl
14h 14m
1 stop
BOS10:15 pmBoston Logan Intl
Jun 7
BOS5:01 amBoston Logan Intl
16h 46m
1 stop
SAL7:47 pmSan Salvador El Salvador Intl
$481
American Airlines
Jun 5
SAL6:01 amSan Salvador El Salvador Intl
14h 26m
2 stops
BOS10:27 pmBoston Logan Intl
Jun 7
BOS5:01 amBoston Logan Intl
16h 46m
1 stop
SAL7:47 pmSan Salvador El Salvador Intl
$486
American Airlines
Sep 18
SAL12:24 pmSan Salvador El Salvador Intl
19h 50m
1 stop
BOS10:14 amBoston Logan Intl
Sep 26
BOS5:00 amBoston Logan Intl
8h 13m
1 stop
SAL11:13 amSan Salvador El Salvador Intl
$490

Avianca flights from San Salvador to Boston

Our best Avianca deals on San Salvador to Boston flight tickets
Avianca
Sep 12
SAL7:45 amSan Salvador El Salvador Intl
5h 05m
BOS2:50 pmBoston Logan Intl
Sep 13
BOS4:50 pmBoston Logan Intl
5h 25m
SAL8:15 pmSan Salvador El Salvador Intl
$447
Avianca
Jun 5
SAL7:45 amSan Salvador El Salvador Intl
5h 05m
BOS2:50 pmBoston Logan Intl
Jun 10
BOS4:50 pmBoston Logan Intl
5h 25m
SAL8:15 pmSan Salvador El Salvador Intl
$458
Avianca
Sep 9
SAL7:45 amSan Salvador El Salvador Intl
5h 05m
BOS2:50 pmBoston Logan Intl
Sep 18
BOS4:50 pmBoston Logan Intl
5h 25m
SAL8:15 pmSan Salvador El Salvador Intl
$468

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 May 28, 2026.
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

Cheapest round-trip

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Wed 9/16

1:59 pm-2:39 pm

1 stop22h 40m

Boston Logan Intl

Tue 9/22

8:47 am-11:34 pm

1 stop16h 47m

$435
Quickest round-trip

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Sat 9/12

7:45 am-2:50 pm

Nonstop5h 05m

Boston Logan Intl

Sun 9/13

4:50 pm-8:15 pm

Nonstop5h 25m

$447

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Fri 9/18

1:37 pm-11:16 pm

1 stop7h 39m

Boston Logan Intl

Mon 9/21

6:50 am-12:22 pm

1 stop7h 32m

$450

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Sun 10/4

8:30 am-11:02 pm

1 stop12h 32m

Boston Logan Intl

Sun 10/25

8:31 am-11:35 pm

1 stop17h 04m

$458

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Wed 9/9

7:45 am-2:50 pm

Nonstop5h 05m

Boston Logan Intl

Fri 9/18

4:50 pm-8:15 pm

Nonstop5h 25m

$468

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Sat 9/12

7:45 am-2:50 pm

Nonstop5h 05m

Boston Logan Intl

Sun 9/20

4:50 pm-8:15 pm

Nonstop5h 25m

$469

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Fri 7/10

8:30 am-11:10 pm

1 stop12h 40m

Boston Logan Intl

Sun 9/27

8:47 am-8:31 pm

1 stop13h 44m

$475

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Mon 11/2

7:45 am-1:50 pm

Nonstop5h 05m

Boston Logan Intl

Mon 11/9

3:25 pm-8:15 pm

Nonstop5h 50m

$478

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Sun 6/7

7:45 am-2:50 pm

Nonstop5h 05m

Boston Logan Intl

Tue 6/16

4:50 pm-8:15 pm

Nonstop5h 25m

$480

San SalvadorBoston

SAL - BOS

SALBOS

San Salvador El Salvador Intl

Fri 9/11

7:45 am-2:50 pm

Nonstop5h 05m

Boston Logan Intl

Sun 9/20

4:50 pm-8:15 pm

Nonstop5h 25m

$481

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 Boston from

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 $281. 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 $328.

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 Tuesday when prices can be found for as low as $275. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $458.

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 from San Salvador 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 $400 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 $265 on momondo.

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

There are 2 cabin classes available to choose from on San Salvador to Boston 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 San Salvador to Boston flights?

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

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

As of May 2026, prices for San Salvador to Boston flights are approximately 9% 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

$397

Fastest flight time

5h 05m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from San Salvador in the past 72 hours is $397. The best round-trip flight deal from San Salvador to Boston found on momondo in the last 72 hours is $685.
The fastest flight from San Salvador to Boston takes 5h 05m
Direct flights go from San Salvador to Boston every day.
There is 1 airport in Boston. From San Salvador there are direct flights to Boston Logan Intl (BOS).

Frequently asked questions about flying from San Salvador to Boston

  • 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
8,424 reviews
Search Delta flights
Copa AirlinesPriceFrom $163Free CancellationRating
7.6
1,572 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights
AviancaPriceFrom $250Free CancellationRating
6.5
2,528 reviews
Search Avianca flights
Spirit AirlinesPriceFrom $256Free CancellationRating
6.2
Search Spirit Airlines flights
American AirlinesPriceFrom $279Free CancellationRating
7.1
11,640 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 1 flight/week on average for this route. A good Avianca flight deal for San Salvador to Boston starts from $250 round-trip, up to an average price of $465. Our users have rated Avianca at 6.5/10.

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
Kennebunkport
Cambridge
Plymouth
South Yarmouth
Gloucester
Narragansett
Brockton
Falmouth
Warwick
Chatham
Sturbridge
Laconia
Dennis Port
Revere

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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1 adult
Sat 6/27
Sat 7/4

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