Cheap flights from Washington, D.C. Dulles Intl Airport to San Salvador from C$ 165

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAL
3 Aug — 10 Aug1
1 adult

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 57 days in advance, depart on a Friday or Monday and return on a Monday

Cheap 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 29 July 2025.

Round-trip from

C$ 369

One-way from

C$ 165

Popular in

December

Cheapest in

September

Average price

C$ 516

Good one-way deal

C$ 164 or less
Copa Airlines
  • Copa Airlines
  • 17/9-22/9
  • 2 total stops
  • 17h 02m total
  • Washington, D.C. to San Salvador
Avianca
  • Avianca
  • 15/10
  • Nonstop
  • 4h 15m total
  • Washington, D.C. to San Salvador
Highest demand for flights based on searches. 20% potential increase in price (C$ 168 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease (C$ 46 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to San Salvador El Salvador Intl.

Find flight deals from Dulles Intl to San Salvador

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 29 July 2025.

Wed 17/94:34 p.m.IAD - SAL
1 stop9h 01mCopa Airlines
Mon 22/95:04 a.m.SAL - IAD
1 stop8h 01mCopa Airlines
Deal found 28/7C$ 369
Mon 15/910:05 p.m.IAD - SAL
1 stop16h 01mUnited Airlines
Sat 15/111:10 a.m.SAL - IAD
Nonstop4h 07mUnited Airlines
Deal found 28/7C$ 370
Tue 14/102:35 a.m.IAD - SAL
1 stop16h 00mAvianca
Mon 20/108:15 a.m.SAL - IAD
1 stop15h 00mAvianca
Deal found 27/7C$ 371
Sun 7/97:22 a.m.IAD - SAL
1 stop7h 05mDelta
Sat 20/91:37 p.m.SAL - IAD
1 stop7h 40mDelta
Deal found 28/7C$ 457

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 29 July 2025.
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

Dulles Intl

Fly to

San Salvador

Route

Depart

Return

Price

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 17/9

4:34 p.m.-11:35 p.m.

1 stop9h 01m

San Salvador El Salvador Intl

Mon 22/9

5:04 a.m.-3:05 p.m.

1 stop8h 01m

C$ 369

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Mon 15/9

10:05 p.m.-12:06 p.m.

1 stop16h 01m

San Salvador El Salvador Intl

Sat 15/11

1:10 a.m.-6:17 a.m.

Nonstop4h 07m

C$ 370

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Tue 14/10

2:35 a.m.-4:35 p.m.

1 stop16h 00m

San Salvador El Salvador Intl

Mon 20/10

8:15 a.m.-1:15 a.m.

1 stop15h 00m

C$ 371

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sun 7/9

7:22 a.m.-12:27 p.m.

1 stop7h 05m

San Salvador El Salvador Intl

Sat 20/9

1:37 p.m.-11:17 p.m.

1 stop7h 40m

C$ 457

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 15/10

5:45 a.m.-8:00 a.m.

Nonstop4h 15m

C$ 165

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Fri 15/8

6:05 p.m.-8:43 p.m.

Nonstop4h 38m

C$ 166

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sun 3/8

2:46 a.m.-12:42 p.m.

1 stop11h 56m

C$ 168

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Fri 21/11

6:00 a.m.-1:05 p.m.

1 stop8h 05m

C$ 374

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

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?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to San Salvador. Price data was last updated on 25 July 2025.

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 57 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$ 449). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in December is currently the most expensive (average of C$ 915). 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 29 July 2025.

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 afternoon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight at noon.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to San Salvador

Explore weekly flight availability from Dulles Intl to San Salvador. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 July 2025.

The most flights from IAD to SAL are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing San Salvador

Get insights into the airlines that provide service to San Salvador. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Salvador. Reviews last updated 29 July 2025.
Get a feel of what it's like to fly with Delta,Copa Airlines, andUnited Airlines from Washington, D.C. Dulles Intl Airport to San Salvador by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 7 inbound flights from Washington, D.C. Dulles Intl per day. 2 airlines have flights to San Salvador El Salvador Intl from Washington, D.C. Dulles Intl on a regular basis.

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

    Copa Airlines, at C$ 369, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to San Salvador.Alternate airlines to your destination round-trip include United Airlines and Avianca. Copa Airlines is priced at 22% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to San Salvador one-way?

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as C$ 165. Users have also found prices from C$ 166 and C$ 168 on United Airlines and Copa Airlines, respectively.

  • 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 (89%), Avianca (75%) and Avianca (71%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to San Salvador?

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to San Salvador? While on average our users pay C$ 192, our data indicates the cheapest price to be C$ 164. The most popular route (Washington, D.C. Dulles Intl - San Salvador El Salvador Intl), is priced around C$ 404.

  • 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$ 449). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in December is currently the most expensive (average of C$ 915). 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

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

Top 2 airlines flying from Dulles Intl to San Salvador

Discover the top 2 airlines that operate flights from Dulles Intl to San Salvador. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Volaris El SalvadorCheapestC$ 294AverageC$ 320FlexibilityNo cancel feeOn-timeN/A
Search Volaris El Salvador flights
AviancaCheapestC$ 298AverageC$ 727FlexibilityNo cancel feeOn-time71%
Search Avianca flights

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

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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.

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