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Cheap flights from Billings to San Salvador from $673

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to San Salvador departing on 4/5. 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.
United Airlines Logo
2:40 pm - 4:50 amBIL-SAL
38h 10m2 stops
United Airlines Logo
3:30 pm - 9:51 amSAL-BIL
18h 21m2 stops
$673United Airlines
Find Deal
Sun, Apr 5 - Wed, Apr 8
United Airlines Logo
7:00 am - 4:50 amBIL-SAL
21h 50m2 stops
United Airlines Logo
1:25 pm - 1:13 pmSAL-BIL
23h 48m2 stops
$674United Airlines
Find Deal
Sun, Apr 5 - Wed, Apr 8
United Airlines Logo
2:40 pm - 4:50 amBIL-SAL
38h 10m2 stops
United Airlines Logo
3:30 pm - 1:13 pmSAL-BIL
21h 43m3 stops
$693United Airlines
Find Deal
Sun, Apr 5 - Wed, Apr 8
United Airlines Logo
7:00 am - 4:50 amBIL-SAL
21h 50m2 stops
United Airlines Logo
3:30 pm - 1:13 pmSAL-BIL
21h 43m3 stops
$694United Airlines
Find Deal
Sun, Apr 5 - Wed, Apr 8
United Airlines Logo
7:00 am - 4:50 amBIL-SAL
21h 50m2 stops
United Airlines Logo
2:00 am - 8:51 pmSAL-BIL
18h 51m2 stops
$774United Airlines
Find Deal
Sun, Apr 5 - Tue, Apr 7
American Airlines Logo
2:03 pm - 6:25 pmBIL-SAL
28h 22m2 stops
American Airlines Logo
2:30 pm - 8:46 pmSAL-BIL
30h 16m1 stop
$875American Airlines
Find Deal
Sun, Apr 5 - Wed, Apr 8
American Airlines Logo
7:52 am - 12:29 pmBIL-SAL
28h 37m1 stop
American Airlines Logo
2:30 pm - 8:46 pmSAL-BIL
30h 16m1 stop
$889American Airlines
Find Deal
Sun, Apr 5 - Wed, Apr 8

United Airlines flights from Billings to San Salvador

Our best United Airlines deals on Billings to San Salvador flight tickets
United Airlines
Apr 5
BIL2:40 pmBillings Logan Intl
38h 10m
2 stops
SAL4:50 amSan Salvador El Salvador Intl
Apr 8
SAL3:30 pmSan Salvador El Salvador Intl
18h 21m
2 stops
BIL9:51 amBillings Logan Intl
$673
Find similar
United Airlines
Apr 5
BIL7:00 amBillings Logan Intl
21h 50m
2 stops
SAL4:50 amSan Salvador El Salvador Intl
Apr 8
SAL1:25 pmSan Salvador El Salvador Intl
23h 48m
2 stops
BIL1:13 pmBillings Logan Intl
$674
Find similar
United Airlines
Apr 5
BIL2:40 pmBillings Logan Intl
38h 10m
2 stops
SAL4:50 amSan Salvador El Salvador Intl
Apr 8
SAL3:30 pmSan Salvador El Salvador Intl
21h 43m
3 stops
BIL1:13 pmBillings Logan Intl
$693
Find similar

American Airlines flights from Billings to San Salvador

Our best American Airlines deals on Billings to San Salvador flight tickets
American Airlines
Apr 5
BIL2:03 pmBillings Logan Intl
28h 22m
2 stops
SAL6:25 pmSan Salvador El Salvador Intl
Apr 8
SAL2:30 pmSan Salvador El Salvador Intl
30h 16m
1 stop
BIL8:46 pmBillings Logan Intl
$875
Find similar
American Airlines
Apr 5
BIL7:52 amBillings Logan Intl
28h 37m
1 stop
SAL12:29 pmSan Salvador El Salvador Intl
Apr 8
SAL2:30 pmSan Salvador El Salvador Intl
30h 16m
1 stop
BIL8:46 pmBillings Logan Intl
$889
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Billings 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 November 6, 2025.
Use the filters below to find and compare flights from Billings to San Salvador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsSan Salvador

BIL - SAL

BILSAL

Billings Logan Intl

Sun 4/5

2:40 pm-4:50 am

2 stops38h 10m

San Salvador El Salvador Intl

Wed 4/8

3:30 pm-9:51 am

2 stops18h 21m

$673

BillingsSan Salvador

BIL - SAL

BILSAL

Billings Logan Intl

Sun 4/5

7:00 am-4:50 am

2 stops21h 50m

San Salvador El Salvador Intl

Wed 4/8

1:25 pm-1:13 pm

2 stops23h 48m

$674

BillingsSan Salvador

BIL - SAL

BILSAL

Billings Logan Intl

Sun 4/5

2:40 pm-4:50 am

2 stops38h 10m

San Salvador El Salvador Intl

Wed 4/8

3:30 pm-1:13 pm

3 stops21h 43m

$693

BillingsSan Salvador

BIL - SAL

BILSAL

Billings Logan Intl

Sun 4/5

7:00 am-4:50 am

2 stops21h 50m

San Salvador El Salvador Intl

Wed 4/8

3:30 pm-1:13 pm

3 stops21h 43m

$694

BillingsSan Salvador

BIL - SAL

BILSAL

Billings Logan Intl

Sun 4/5

7:00 am-4:50 am

2 stops21h 50m

San Salvador El Salvador Intl

Tue 4/7

2:00 am-8:51 pm

2 stops18h 51m

$774

BillingsSan Salvador

BIL - SAL

BILSAL

Billings Logan Intl

Sun 4/5

2:03 pm-6:25 pm

2 stops28h 22m

San Salvador El Salvador Intl

Wed 4/8

2:30 pm-8:46 pm

1 stop30h 16m

$875

BillingsSan Salvador

BIL - SAL

BILSAL

Billings Logan Intl

Sun 4/5

7:52 am-12:29 pm

1 stop28h 37m

San Salvador El Salvador Intl

Wed 4/8

2:30 pm-8:46 pm

1 stop30h 16m

$889

BillingsSan Salvador

BIL - SAL

BILSAL

Billings Logan Intl

Thu 12/18

6:00 am-2:47 pm

3 stops31h 47m

$697

BillingsSan Salvador

BIL - SAL

BILSAL

Billings Logan Intl

Thu 12/18

11:35 am-2:47 pm

3 stops26h 12m

$826

BillingsSan Salvador

BIL - SAL

BILSAL

Billings Logan Intl

Thu 12/18

5:50 pm-3:24 pm

2 stops20h 34m

$850

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to San Salvador from

How to get the cheapest flight ticket from Billings 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 cheapest airline that flies from Billings Logan Intl to San Salvador El Salvador Intl?

United Airlines and American Airlines are the most popular carriers operating from Billings Logan Intl to San Salvador El Salvador Intl

When to book flights from Billings to San Salvador

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

Cheap Billings to San Salvador (BIL to SAL) flight deals and tips

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

Direct flights

None
There are no direct flights from Billings to San Salvador. There are no popular flight routes from Billings to San Salvador.
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  • How far is Billings Logan Intl to San Salvador El Salvador Intl by plane?

    Billings Logan Intl and San Salvador El Salvador Intl are 2484.1 mi apart from one another. In terms of flight time, this usually takes a little over 21h 50m.

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

    Prices for flights from Billings Logan Intl Airport to San Salvador El Salvador Intl Airport are updated daily.

  • How old do you have to be to fly from Billings 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 Billings 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 required travel and health documents for your San Salvador El Salvador Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Salvador El Salvador Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near San Salvador?

Book flights to San Salvador if you plan to visit one of these locations
Sonsonate
La Libertad
Acajutla
El Cuco

Why use momondo?

Why should I use momondo to find a flight deal from Billings 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 Billings to San Salvador for you.

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

Flights from Billings to San Salvador 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 Billings to San Salvador?

Once all potential Billings to San Salvador 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 Billings to San Salvador right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Billings to San Salvador now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Salvador and let you know when they change.

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Fly your favorite airline to San Salvador

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
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American Airlines
United Airlines
Turkish Airlines
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