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Cheap flights from Washington, D.C. Dulles Intl Airport to San Salvador from C$ 170

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAL
11 Jan — 18 Jan1
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 53 days in advance, depart on a Thursday 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 12 December 2025.

Fri 12/126:00 a.m.IAD - SAL
1 stop10h 24mUnited Airlines
Fri 19/121:10 a.m.SAL - IAD
Nonstop4h 07mUnited Airlines
Deal found 11/12C$ 360
Thu 11/1212:45 p.m.IAD - SAL
1 stop9h 34mUnited Airlines
Sun 21/126:55 a.m.SAL - IAD
1 stop14h 24mUnited Airlines
Deal found 11/12C$ 374
Wed 10/126:03 p.m.IAD - SAL
Nonstop4h 48mUnited Airlines
Sat 13/121:10 a.m.SAL - IAD
Nonstop4h 07mUnited Airlines
Deal found 10/12C$ 410
Fri 12/126:00 a.m.IAD - SAL
1 stop10h 24mUnited Airlines
Thu 5/24:40 p.m.SAL - IAD
1 stop27h 09mUnited Airlines
Deal found 11/12C$ 411
Fri 12/1212:45 p.m.IAD - SAL
1 stop9h 34mUnited Airlines
Thu 18/121:10 a.m.SAL - IAD
Nonstop4h 07mUnited Airlines
Deal found 11/12C$ 416
Wed 10/126:03 p.m.IAD - SAL
Nonstop4h 48mUnited Airlines
Sun 21/126:55 a.m.SAL - IAD
1 stop14h 24mUnited Airlines
Deal found 10/12C$ 423
Fri 12/128:30 a.m.IAD - SAL
1 stop13h 49mUnited Airlines
Mon 15/126:55 a.m.SAL - IAD
1 stop12h 47mUnited Airlines
Deal found 11/12C$ 430
Thu 11/1212:45 p.m.IAD - SAL
1 stop25h 34mUnited Airlines
Sat 13/121:10 a.m.SAL - IAD
Nonstop4h 07mUnited Airlines
Deal found 11/12C$ 439
Fri 12/128:30 a.m.IAD - SAL
1 stop7h 54mUnited Airlines
Tue 30/126:55 a.m.SAL - IAD
1 stop27h 33mUnited Airlines
Deal found 11/12C$ 484
Fri 12/128:22 a.m.IAD - SAL
1 stop13h 13mCopa Airlines
Thu 15/15:03 a.m.SAL - IAD
1 stop17h 27mCopa Airlines
Deal found 11/12C$ 485

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 12 December 2025.

Round-trip from

C$ 331

One-way from

C$ 170

Popular in

December

Cheapest in

September

Average price

C$ 855

Good one-way deal

C$ 98 or less
United Airlines
  • United Airlines
  • 22/2-25/2
  • 2 total stops
  • 25h 59m total
  • Washington, D.C. to San Salvador
Search Deals
United Airlines
  • United Airlines
  • 4/3
  • 1 total stop
  • 10h 21m total
  • Washington, D.C. to San Salvador
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to San Salvador El Salvador Intl.
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 12 December 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 8/2

6:00 a.m.-1:10 p.m.

1 stop8h 10m

San Salvador El Salvador Intl

Wed 18/2

2:35 p.m.-12:24 a.m.

1 stop8h 49m

C$ 359

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sat 23/5

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

1 stop16h 00m

San Salvador El Salvador Intl

Tue 26/5

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

Nonstop4h 19m

C$ 374

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Mon 2/3

6:03 a.m.-1:19 p.m.

1 stop8h 16m

San Salvador El Salvador Intl

Tue 10/3

5:55 a.m.-10:36 p.m.

1 stop14h 41m

C$ 388

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 11/3

10:05 p.m.-12:19 p.m.

1 stop16h 14m

San Salvador El Salvador Intl

Wed 18/3

3:40 p.m.-10:36 p.m.

1 stop28h 56m

C$ 397

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Fri 30/1

8:15 a.m.-3:24 p.m.

1 stop8h 09m

San Salvador El Salvador Intl

Sun 15/2

6:55 a.m.-10:16 p.m.

1 stop14h 21m

C$ 407

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Fri 23/1

8:15 a.m.-3:24 p.m.

1 stop8h 09m

San Salvador El Salvador Intl

Tue 27/1

4:40 p.m.-11:23 a.m.

1 stop17h 43m

C$ 407

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Tue 10/3

5:50 p.m.-8:19 p.m.

1 stop28h 29m

San Salvador El Salvador Intl

Wed 18/3

3:40 p.m.-10:36 p.m.

1 stop28h 56m

C$ 410

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Fri 1/5

10:11 p.m.-12:15 p.m.

1 stop16h 04m

San Salvador El Salvador Intl

Fri 8/5

3:40 p.m.-11:32 a.m.

1 stop17h 52m

C$ 428

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Fri 20/2

6:03 a.m.-3:24 p.m.

1 stop10h 21m

San Salvador El Salvador Intl

Mon 23/2

6:55 a.m.-10:16 p.m.

1 stop14h 21m

C$ 434

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sat 3/1

10:15 p.m.-12:36 a.m.

1 stop27h 21m

San Salvador El Salvador Intl

Mon 26/1

6:55 a.m.-8:49 p.m.

1 stop12h 54m

C$ 439

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 22 results
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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 5 December 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 53 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Salvador (average of C$ 156). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in July is currently the most expensive (average of C$ 335). 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 12 December 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 evening. If you’re flexible enough to do this you can expect to save up to 63% on your trip compared to booking a flight in the morning.

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 12 December 2025.
Get a feel of what it's like to fly with Volaris El Salvador 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.
Volaris El Salvador
7.4
Good
Check prices

Comfort

7.1

Boarding

7.5

Food

6.0

Crew

7.7

Entertainment

5.8

Overall

7.4
Volaris El Salvador
7.4
Good
Volaris El Salvador
7.4
Good
Check prices

Comfort

7.1

Boarding

7.5

Food

6.0

Crew

7.7

Entertainment

5.8

Overall

7.4

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. 1 airline has 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 Delta and United Airlines fly from Washington, D.C. Dulles Intl Airport to San Salvador in about 8h 09m. The time it takes to get you to your destination can typically vary by up to 01m. There are 3055 km between Washington, D.C. Dulles Intl Airport and San Salvador. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to San Salvador round-trip?

    Volaris El Salvador, at C$ 295, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to San Salvador.. Volaris El Salvador is priced at 37% lower than the current average price of a flight leaving 3 months from now.

  • 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 Volaris Costa Rica (100%), Avianca Costa Rica (92%) and Avianca (91%).

  • 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$ 111, our data indicates the cheapest price to be C$ 98. The most popular route (Washington, D.C. Dulles Intl - San Salvador El Salvador Intl), is priced around C$ 683.

  • 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 C$ 156). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in July is currently the most expensive (average of C$ 335). 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 airline flying from Dulles Intl to San Salvador

Discover the top airline 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Volaris El SalvadorCheapestC$ 295AverageC$ 321FlexibilityNo cancel feeOn-timeN/A
Search Volaris El Salvador 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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