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Cheap flights from Washington, D.C. Dulles Intl Airport to San Salvador from C$ 133

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAL
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 301

One-way from

C$ 133

Popular in

December

Cheapest in

September

Average price

C$ 340

Good round-trip deal

C$ 384 or less
Avianca
  • Avianca
  • 16/10-20/10
  • Nonstop
  • 8h 40m total
  • Washington, D.C. to San Salvador
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Avianca
  • Avianca
  • 16/10
  • Nonstop
  • 4h 25m total
  • Washington, D.C. to San Salvador
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 172 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease (C$ 47 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to San Salvador El Salvador Intl.
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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 11 September 2025.

Thu 16/107:25 p.m.IAD - SAL
Nonstop4h 25mAvianca
Mon 20/1010:05 p.m.SAL - IAD
Nonstop4h 15mAvianca
Deal found 11/9C$ 301
Wed 15/104:05 a.m.IAD - SAL
Nonstop4h 25mAvianca
Mon 20/1010:05 p.m.SAL - IAD
Nonstop4h 15mAvianca
Deal found 11/9C$ 341
Sat 27/96:01 a.m.IAD - SAL
1 stop16h 16mUnited Airlines
Tue 7/106:00 a.m.SAL - IAD
1 stop13h 00mUnited Airlines
Deal found 11/9C$ 403
Sat 29/116:03 p.m.IAD - SAL
Nonstop4h 48mUnited Airlines
Sat 6/121:10 a.m.SAL - IAD
Nonstop4h 07mUnited Airlines
Deal found 10/9C$ 407
Fri 26/910:18 p.m.IAD - SAL
1 stop23h 59mUnited Airlines
Tue 7/106:00 a.m.SAL - IAD
1 stop15h 51mUnited Airlines
Deal found 10/9C$ 414
Tue 16/96:00 a.m.IAD - SAL
1 stop8h 06mUnited Airlines
Fri 26/96:00 a.m.SAL - IAD
1 stop13h 00mUnited Airlines
Deal found 11/9C$ 418
Sun 5/1010:18 p.m.IAD - SAL
1 stop15h 48mUnited Airlines
Tue 14/106:00 a.m.SAL - IAD
1 stop15h 51mUnited Airlines
Deal found 10/9C$ 421
Sat 29/116:03 p.m.IAD - SAL
Nonstop4h 48mUnited Airlines
Sat 6/126:55 a.m.SAL - IAD
1 stop14h 21mUnited Airlines
Deal found 11/9C$ 424

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 11 September 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

Sun 28/9

6:01 a.m.-2:23 p.m.

1 stop10h 22m

San Salvador El Salvador Intl

Mon 6/10

6:00 a.m.-10:06 p.m.

1 stop14h 06m

C$ 403

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Mon 22/9

6:00 a.m.-2:23 p.m.

1 stop10h 23m

San Salvador El Salvador Intl

Thu 2/10

6:00 a.m.-10:06 p.m.

1 stop14h 06m

C$ 403

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Thu 16/10

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

Nonstop4h 15m

San Salvador El Salvador Intl

Mon 20/10

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

1 stop15h 00m

C$ 437

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$ 441

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Tue 30/9

10:18 p.m.-12:06 p.m.

1 stop15h 48m

San Salvador El Salvador Intl

Fri 10/10

6:00 a.m.-10:06 p.m.

1 stop14h 06m

C$ 482

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sat 4/10

10:18 p.m.-12:06 p.m.

1 stop15h 48m

San Salvador El Salvador Intl

Tue 7/10

6:00 a.m.-10:06 p.m.

1 stop14h 06m

C$ 488

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Fri 26/9

6:01 a.m.-8:17 p.m.

1 stop16h 16m

San Salvador El Salvador Intl

Mon 6/10

6:00 a.m.-10:06 p.m.

1 stop14h 06m

C$ 488

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Fri 5/12

6:03 p.m.-9:51 p.m.

Nonstop4h 48m

San Salvador El Salvador Intl

Fri 12/12

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

Nonstop4h 07m

C$ 521

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 18/2

6:30 a.m.-9:19 p.m.

1 stop15h 49m

San Salvador El Salvador Intl

Mon 2/3

2:30 a.m.-10:36 p.m.

1 stop19h 06m

C$ 542

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Thu 30/10

6:00 a.m.-8:19 p.m.

1 stop16h 19m

San Salvador El Salvador Intl

Sat 8/11

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

Nonstop4h 07m

C$ 546

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 21 results
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2
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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 29 August 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 11 September 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 47% on your trip compared to booking a flight at noon.

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 11 September 2025.
Get a feel of what it's like to fly with Avianca 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.
Avianca
6.7
Okay
2,436 reviews
Check prices

Entertainment

5.4

Boarding

7.0

Comfort

6.3

Crew

7.2

Overall

6.7

Food

5.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOG - LPB

no meals provided. Staff was nice. no entertainment behind seats
Avianca
6.7
Okay
2,436 reviews
Avianca
6.7
Okay
2,436 reviews
Check prices

Entertainment

5.4

Boarding

7.0

Comfort

6.3

Crew

7.2

Overall

6.7

Food

5.1

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

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 4 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.

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

    Airlines like United Airlines and Avianca fly from Washington, D.C. Dulles Intl Airport to San Salvador in about 4h 15m. The time it takes to get you to your destination can typically vary by up to 6h 07m. 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 cheapest airlines flying from Washington, D.C. Dulles Intl Airport to San Salvador round-trip?

    Volaris El Salvador, at C$ 296, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to San Salvador. An alternate airline flying to your destination would be Avianca. Volaris El Salvador is priced at 37% 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$ 133. Users have also found prices from C$ 158 and C$ 173 on Delta and United 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 (85%), Volaris El Salvador (83%) and Avianca (75%).

  • 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$ 423, our data indicates the cheapest price to be C$ 357. The most popular route (Washington, D.C. Dulles Intl - San Salvador El Salvador Intl), is priced around C$ 320.

  • 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.
San Salvador car rentals
San Salvador El Salvador Intl Airport car rentals

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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Volaris El SalvadorCheapestC$ 296AverageC$ 323FlexibilityNo cancel feeOn-timeN/A
Search Volaris El Salvador flights
AviancaCheapestC$ 399AverageC$ 732FlexibilityNo cancel feeOn-time71%
Search Avianca flights

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?

Of course! You can now track prices for flights from Dulles Intl to San Salvador and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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