What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to San Salvador round-trip?

Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to San Salvador round-trip from $116. Another airline that can offer you cheap pricing is Frontier.

In terms of precipitation, rainfall in San Salvador ranges from 0.0 - 13.0 inches per month. August is typically the wettest month, when rainfall can reach 13.0 in. February is typically the driest time to visit San Salvador when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Salvador, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-San Salvador flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-San Salvador flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-San Salvador flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-San Salvador flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-San Salvador flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to San Salvador from Washington, D.C. Dulles Intl?

San Salvador Ilopango (ILS), located 6.4 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to San Salvador. 2 airlines have flights to Ilopango from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to San Salvador Ilopango should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

Can I find deals for flights from Dulles Intl to San Salvador that include hotel bookings?

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

How can I find direct flights from Dulles Intl to San Salvador?

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

Can I find deals for business class flights from Dulles Intl to San Salvador?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

Find Flights from Washington, D.C. Dulles Intl Airport to San Salvador

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Cheap flight deals from Dulles Intl to San Salvador

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Popular in	December
Cheapest in	September
Average price	$294

Provider with most accurate pricing for Washington, D.C. Dulles Intl-San Salvador Ilopango flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-San Salvador Ilopango flights.

Search Deals

Highest demand for flights based on searches. 24% potential increase in price ($113 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($27 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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Compare providers for flights from Dulles Intl to San Salvador

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to San Salvador in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-San Salvador flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-San Salvador flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-San Salvador flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-San Salvador flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-San Salvador flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to San Salvador

Have a flexible travel schedule? Discover the best time to fly to San Salvador from Dulles Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to San Salvador

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San Salvador?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Salvador (average of $109). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in December is currently the most expensive (average of $236). 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.

What is the cheapest time of day to fly from IAD to ILS?

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to San Salvador at noon. Doing so could potentially save you 48% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing San Salvador

See what other customers who have flown with Avianca and Frontier from Washington, D.C. Dulles Intl Airport to San Salvador have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Avianca

6.6

Okay

2,468 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOG - LPB

no meals provided. Staff was nice. no entertainment behind seats

Avianca

6.6

Okay

2,468 reviews

Avianca

6.6

Okay

2,468 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOG - LPB

no meals provided. Staff was nice. no entertainment behind seats

Frontier

5.8

Fair

3,124 reviews

Avianca

6.6

Okay

2,468 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOG - LPB

no meals provided. Staff was nice. no entertainment behind seats

Related info for your journey

What airport do you fly into for flights to San Salvador from Washington, D.C. Dulles Intl?
San Salvador Ilopango (ILS), located 6.4 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to San Salvador. 2 airlines have flights to Ilopango from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to San Salvador Ilopango should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to San Salvador round-trip?
Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to San Salvador round-trip from $116. Another airline that can offer you cheap pricing is Frontier.
Can I find deals for flights from Dulles Intl to San Salvador that include hotel bookings?
Yes. In addition to deals on Dulles Intl to San Salvador flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to San Salvador?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to San Salvador.
Can I find deals for business class flights from Dulles Intl to San Salvador?
Yes. Cheapflights offers flight deals from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to San Salvador?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Salvador (average of $109). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in December is currently the most expensive (average of $236). 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.

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Alternative routes for Dulles Intl to San Salvador

Dulles Intl to San Salvador flights

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Top 2 airlines flying from Dulles Intl to San Salvador

Airline	Cheapest	Average	Flexibility	On-time
Avianca	Cheapest$116	Average$402	FlexibilityNo cancel fee	On-time71%
Frontier	Cheapest$297	Average$870	FlexibilityNo cancel fee	On-time62%

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Cheap flights from Dulles Intl (IAD) to San Salvador (ILS)

Find cheap flights from Dulles Intl to San Salvador with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to San Salvador

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Compare providers for flights from Dulles Intl to San Salvador

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to San Salvador in October.

Best time to book a flight from Dulles Intl to San Salvador

Have a flexible travel schedule? Discover the best time to fly to San Salvador from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to San Salvador

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San Salvador?

What is the cheapest time of day to fly from IAD to ILS?

Reviews of airlines servicing San Salvador

See what other customers who have flown with Avianca and Frontier from Washington, D.C. Dulles Intl Airport to San Salvador have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly into for flights to San Salvador from Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to San Salvador round-trip?

Can I find deals for flights from Dulles Intl to San Salvador that include hotel bookings?

How can I find direct flights from Dulles Intl to San Salvador?

Can I find deals for business class flights from Dulles Intl to San Salvador?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San Salvador?

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 Dulles Intl to San Salvador

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Dulles Intl to San Salvador

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