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Cheap flights from Washington, D.C. Dulles Intl Airport to San Salvador from C$ 362

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAL
22 Aug — 29 Aug1
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 43 days in advance, depart on a Monday or Wednesday and return on a Wednesday

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 23 July 2026.

Thu 5/111:55 a.m.
IAD
-
SAL
Nonstop4h 28m
Volaris El Salvador
Wed 11/116:58 p.m.
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 21/7C$ 688
Thu 20/83:06 p.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Thu 27/87:09 a.m.
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 21/7C$ 689
Sat 5/122:06 p.m.
IAD
-
SAL
Nonstop4h 28m
Volaris El Salvador
Sat 12/126:58 p.m.
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 20/7C$ 698
Fri 4/122:06 p.m.
IAD
-
SAL
Nonstop4h 28m
Volaris El Salvador
Tue 15/126:58 p.m.
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 23/7C$ 706
Thu 27/82:55 a.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Mon 31/87:09 a.m.
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 20/7C$ 707
Sun 23/83:06 p.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Sat 29/87:09 a.m.
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 22/7C$ 709
Sun 1/111:55 a.m.
IAD
-
SAL
Nonstop4h 28m
Volaris El Salvador
Wed 11/116:58 p.m.
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 22/7C$ 713
Sun 4/102:55 a.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Mon 5/107:02 p.m.
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 22/7C$ 715
Fri 28/82:55 a.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Mon 31/87:09 a.m.
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 20/7C$ 716
Tue 18/82:55 a.m.
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Mon 24/86:58 p.m.
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 23/7C$ 720

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 23 July 2026.

Round-trip from

C$ 688

One-way from

C$ 362

Popular in

December

Cheapest in

September

Average price

C$ 854
Volaris El Salvador
  • Volaris El Salvador
  • 30/8-1/11
  • Nonstop
  • 8h 39m total
  • Washington, D.C. to San Salvador
Search Deals
Volaris El Salvador
  • Volaris El Salvador
  • 18/8
  • Nonstop
  • 4h 22m total
  • Washington, D.C. to San Salvador
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 23 July 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

Thu 8/10

2:25 a.m.-12:40 p.m.

1 stop12h 15m

San Salvador El Salvador Intl

Fri 16/10

4:54 a.m.-4:20 a.m.

1 stop21h 26m

C$ 747

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Mon 26/10

9:35 a.m.-11:35 p.m.

1 stop16h 00m

San Salvador El Salvador Intl

Tue 3/11

4:59 a.m.-3:15 a.m.

1 stop21h 16m

C$ 747

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Thu 10/9

2:25 a.m.-12:39 p.m.

1 stop12h 14m

San Salvador El Salvador Intl

Sat 19/9

1:59 p.m.-4:20 a.m.

1 stop12h 21m

C$ 747

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Tue 8/9

4:34 p.m.-11:34 p.m.

1 stop9h 00m

San Salvador El Salvador Intl

Wed 23/9

4:54 a.m.-12:32 a.m.

1 stop17h 38m

C$ 789
Quickest round-trip

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sat 22/8

3:06 p.m.-5:28 p.m.

Nonstop4h 22m

San Salvador El Salvador Intl

Sun 30/8

7:09 a.m.-1:26 p.m.

Nonstop4h 17m

C$ 798

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sat 29/8

4:34 p.m.-12:39 p.m.

1 stop22h 05m

San Salvador El Salvador Intl

Sun 20/9

1:59 p.m.-3:04 p.m.

1 stop23h 05m

C$ 888

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Thu 10/9

2:25 a.m.-8:31 p.m.

1 stop20h 06m

San Salvador El Salvador Intl

Sun 20/9

1:59 p.m.-4:20 a.m.

1 stop12h 21m

C$ 888

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Fri 15/1

3:26 p.m.-12:40 p.m.

1 stop22h 14m

San Salvador El Salvador Intl

Mon 25/1

4:56 a.m.-1:58 p.m.

1 stop8h 02m

C$ 924

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sat 21/11

8:32 a.m.-8:34 p.m.

1 stop13h 02m

San Salvador El Salvador Intl

Tue 1/12

1:42 p.m.-1:58 p.m.

1 stop23h 16m

C$ 930

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Mon 23/11

3:37 p.m.-11:35 p.m.

1 stop8h 58m

San Salvador El Salvador Intl

Fri 4/12

4:57 a.m.-11:32 p.m.

1 stop17h 35m

C$ 930

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/7

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 42 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$ 381). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in December is currently the most expensive (average of C$ 896). 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 23 July 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 in the evening. If you’re flexible enough to do this you can expect to save up to 54% 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?

Airfare is typical for this route at the moment.

Washington, D.C. Dulles Intl Airport to San Salvador flights typically cost between C$ 550 and C$ 897 in November.
The cheapest round-trip price found within the last 5 days was C$ 688 on Volaris El Salvador (5 Nov-11 Nov).

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 Copa Airlines fly from Washington, D.C. Dulles Intl Airport to San Salvador in about 12h 15m. The time it takes to get you to your destination can typically vary by up to . There are 3055 km between Washington, D.C. Dulles Intl Airport and San Salvador.

  • 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 United Airlines (98%), Avianca Costa Rica (95%) and Volaris El Salvador (89%).

  • 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$ 381). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in December is currently the most expensive (average of C$ 896). 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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