HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Salvador

$514+ Cheap flights from Billings (BIL) to San Salvador (SAL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SAL
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Billings to San Salvador with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Billings to San Salvador

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to San Salvador (SAL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$514
(United Airlines)
From Billings Logan Intl to San Salvador El Salvador Intl
Search Deals

Find flight deals from Billings to San Salvador

Cheapest flights from Billings to San Salvador
Explore the most affordable flight options available from Billings to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/42:30 pmBIL - SAL
2 stops21h 36mUnited Airlines
Wed 10/86:00 amSAL - BIL
2 stops16h 46mUnited Airlines
Deal found 8/13$514
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/412:19 pmBIL - SAL
2 stops23h 16mAmerican Airlines
Wed 10/82:30 pmSAL - BIL
1 stop22h 53mAmerican Airlines
Deal found 8/13$739

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Billings to San Salvador that are best for you.

Fly from

Billings

Fly to

San Salvador

Route

Depart

Return

Price

BillingsSan Salvador

BIL - SAL

BILSAL

Billings Logan Intl

Sat 10/4

2:30 pm-12:06 pm

2 stops21h 36m

San Salvador El Salvador Intl

Wed 10/8

6:00 am-10:46 pm

2 stops16h 46m

$514

BillingsSan Salvador

BIL - SAL

BILSAL

Billings Logan Intl

Sat 10/4

1:59 pm-11:35 am

2 stops21h 36m

San Salvador El Salvador Intl

Wed 10/8

2:30 pm-1:23 pm

1 stop22h 53m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Best time to book a flight from Billings to San Salvador

Have a flexible travel schedule? Discover the best time to fly to San Salvador from Billings with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Billings to San Salvador. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Billings to San Salvador that include hotel bookings?

    Yes. In addition to deals on Billings to San Salvador flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to San Salvador?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to San Salvador.

  • Can I find deals for business class flights from Billings to San Salvador?

    Yes. Cheapflights offers flight deals from Billings to San Salvador by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Billings to San Salvador?

    Currently, September is the cheapest month in which you can book a flight from Billings to San Salvador (average of $260). Flying from Billings to San Salvador in December is currently the most expensive (average of $588). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Salvador?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Billings to San Salvador

See prices for flight routes from nearby airports that may be better suited for you.
Helena to San Salvador flights
Missoula to San Salvador flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.