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Cheap flights from Washington, D.C. Dulles Intl Airport to San Salvador from C$ 158

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAL
27 May — 3 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to San Salvador El Salvador Intl are usually found in September or October, booked 66 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Dulles Intl to San Salvador

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl to San Salvador
Explore the most affordable flight options available from Dulles Intl to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 April 2026.

Fri 23/103:06 p.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Thu 5/117:09 a.m.
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 24/4C$ 387
Wed 30/92:55 a.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Sat 10/107:13 a.m.
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 22/4C$ 399
Sat 26/92:55 a.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Sun 4/107:02 p.m.
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 23/4C$ 401
Wed 23/92:55 a.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Thu 1/107:02 p.m.
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 23/4C$ 404
Tue 8/92:55 a.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Mon 28/97:02 p.m.
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 27/4C$ 409
Sat 3/102:55 a.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Sun 11/107:02 p.m.
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 25/4C$ 416
Sat 12/92:55 a.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Wed 14/107:02 p.m.
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 23/4C$ 417
Wed 4/111:55 a.m.
IAD
-
SAL
Nonstop4h 28m
Volaris El Salvador
Thu 12/116:58 p.m.
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 24/4C$ 420
Mon 31/82:55 a.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Tue 29/97:02 p.m.
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 23/4C$ 425
Fri 11/93:06 p.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Mon 14/97:13 a.m.
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 23/4C$ 431
Tue 27/102:55 a.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Wed 11/116:58 p.m.
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 24/4C$ 436
Fri 20/112:06 p.m.
IAD
-
SAL
Nonstop4h 28m
Volaris El Salvador
Fri 4/127:09 a.m.
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 22/4C$ 438

Find flight deals from Dulles Intl to San Salvador

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 27 April 2026.

Round-trip from

C$ 387

One-way from

C$ 158

Popular in

December

Cheapest in

September

Average price

C$ 487
Volaris El Salvador
  • Volaris El Salvador
  • 23/10-26/10
  • Nonstop
  • 8h 35m total
  • Washington, D.C. to San Salvador
Search Deals
Volaris El Salvador
  • Volaris El Salvador
  • 30/8
  • Nonstop
  • 4h 22m total
  • Washington, D.C. to San Salvador
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 629,999 searches. Data last updated 27 April 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Salvador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Tue 12/5

6:00 a.m.-8:49 p.m.

1 stop16h 49m

San Salvador El Salvador Intl

Wed 27/5

1:20 p.m.-7:39 p.m.

Nonstop4h 19m

C$ 618

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 12/8

6:30 a.m.-2:30 p.m.

1 stop10h 00m

San Salvador El Salvador Intl

Sun 30/8

6:00 a.m.-10:36 p.m.

1 stop14h 36m

C$ 631

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sat 3/10

6:15 a.m.-12:15 p.m.

1 stop8h 00m

San Salvador El Salvador Intl

Wed 7/10

1:50 p.m.-12:29 a.m.

1 stop8h 39m

C$ 631

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Mon 1/6

12:35 p.m.-9:35 p.m.

1 stop11h 00m

San Salvador El Salvador Intl

Mon 6/7

1:20 p.m.-7:39 p.m.

Nonstop4h 19m

C$ 654

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Fri 4/9

10:20 p.m.-2:30 p.m.

1 stop18h 10m

San Salvador El Salvador Intl

Sun 13/9

1:50 p.m.-12:29 a.m.

1 stop8h 39m

C$ 658

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 13/5

6:00 a.m.-12:15 p.m.

1 stop8h 15m

San Salvador El Salvador Intl

Wed 20/5

1:50 p.m.-11:59 p.m.

1 stop8h 09m

C$ 658

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Thu 1/10

10:10 p.m.-12:15 p.m.

1 stop16h 05m

San Salvador El Salvador Intl

Mon 5/10

1:50 p.m.-12:29 a.m.

1 stop8h 39m

C$ 658

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sat 9/5

10:20 p.m.-12:15 p.m.

1 stop15h 55m

San Salvador El Salvador Intl

Wed 13/5

1:50 p.m.-11:59 p.m.

1 stop8h 09m

C$ 658

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 27/5

8:50 a.m.-11:29 a.m.

Nonstop4h 39m

San Salvador El Salvador Intl

Wed 3/6

10:45 p.m.-11:28 a.m.

1 stop10h 43m

C$ 661
Quickest round-trip

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 27/5

8:50 a.m.-11:29 a.m.

Nonstop4h 39m

San Salvador El Salvador Intl

Tue 2/6

1:50 p.m.-12:31 a.m.

1 stop8h 41m

C$ 661

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/4

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to San Salvador?

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to San Salvador may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Salvador (average of C$ 354). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in December is currently the most expensive (average of C$ 855). 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 SAL?

Find hourly flight availability from Dulles Intl to San Salvador. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 April 2026.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to San Salvador at noon. If you’re flexible enough to do this you can expect to save up to 53% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to San Salvador?

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?

    For a flight from Washington, D.C. Dulles Intl to San Salvador, you will be flying into El Salvador Intl. San Salvador El Salvador Intl (SAL) is just 33.0 km from the centre of the city. El Salvador Intl is the only San Salvador airport and it handles 6 inbound flights from Washington, D.C. Dulles Intl per day. 0 airlines have flights to San Salvador El Salvador Intl from Washington, D.C. Dulles Intl on a regular basis.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to San Salvador?

    Airlines like Volaris El Salvador and United Airlines fly from Washington, D.C. Dulles Intl Airport to San Salvador in about 4h 22m. The time it takes to get you to your destination can typically vary by up to 12h 27m. There are 3055 km between Washington, D.C. Dulles Intl Airport and San Salvador. This flight may include one or multiple stops.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to San Salvador?

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to San Salvador are Avianca Costa Rica (100%), Avianca (94%) and Avianca (93%).

  • 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Salvador (average of C$ 354). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in December is currently the most expensive (average of C$ 855). 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

Travelling to a place near San Salvador?

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

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Complete your trip to San Salvador by adding a car rental and/or hotel reservation to your travel itinerary.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Dulles Intl to San Salvador?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Dulles Intl to San Salvador. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to San Salvador?

Cheapflights helps you find that perfect flight to San Salvador from Dulles Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Dulles Intl to San Salvador with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Dulles Intl to San Salvador, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Dulles Intl to San Salvador become cheaper?

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