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San Salvador

$77+ Cheap flights from Dulles Intl (IAD) to San Salvador (SAL)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAL
Oct 9 — Oct 161
Thu 10/9
Thu 10/16
1 adult, Economy
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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 Monday or Wednesday 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 September 9, 2025.

Round-trip from

$188
(Avianca)

One-way from

$77
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$245

Good round-trip deal

$233 or less

Good one-way deal

$119 or less
From Washington, D.C. Dulles Intl to San Salvador El Salvador Intl
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One-way flight from Washington, D.C. Dulles Intl to San Salvador El Salvador Intl
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Highest demand for flights based on searches. 20% potential increase in price ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($24 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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Price to beat on a one-way 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 September 9, 2025.

This Mytrip deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/51:23 amIAD - SAL
Nonstop4h 37mVolaris El Salvador
Fri 11/146:36 pmSAL - IAD
Nonstop4h 07mVolaris El Salvador
Deal found 9/9$187
This Avianca deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:05 pmIAD - SAL
Nonstop4h 25mAvianca
Mon 11/38:10 amSAL - IAD
1 stop15h 00mAvianca
Deal found 9/7$188
This CheapOair deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:07 pmIAD - SAL
Nonstop4h 37mVolaris El Salvador
Tue 11/116:36 pmSAL - IAD
Nonstop4h 07mVolaris El Salvador
Deal found 9/8$189
This Cheapflightsfares deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:25 pmIAD - SAL
Nonstop4h 25mAvianca
Wed 10/810:05 pmSAL - IAD
Nonstop4h 15mAvianca
Deal found 9/7$190
This eDestinos deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/11:47 amIAD - SAL
Nonstop4h 37mVolaris El Salvador
Sat 11/86:36 pmSAL - IAD
Nonstop4h 07mVolaris El Salvador
Deal found 9/7$191
This eDestinos deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:23 amIAD - SAL
Nonstop4h 37mVolaris El Salvador
Sun 2/156:20 amSAL - IAD
Nonstop4h 07mVolaris El Salvador
Deal found 9/6$192
This Trip.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:25 pmIAD - SAL
Nonstop4h 25mAvianca
Fri 9/2610:05 pmSAL - IAD
Nonstop4h 15mAvianca
Deal found 9/7$193
This Booking.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:25 pmIAD - SAL
Nonstop4h 25mAvianca
Tue 9/3010:05 pmSAL - IAD
Nonstop4h 15mAvianca
Deal found 9/7$194
This CheapOair deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:05 pmIAD - SAL
Nonstop4h 25mAvianca
Tue 11/410:05 pmSAL - IAD
Nonstop4h 05mAvianca
Deal found 9/7$195
This Orbitz deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/12:25 pmIAD - SAL
Nonstop4h 20mVolaris El Salvador
Tue 11/46:36 pmSAL - IAD
Nonstop4h 07mVolaris El Salvador
Deal found 9/9$196
This Avianca deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:15 pmIAD - SAL
Nonstop4h 40mAvianca
Thu 11/68:25 pmSAL - IAD
Nonstop4h 15mAvianca
Deal found 9/8$197
This eDestinos deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/32:37 amIAD - SAL
Nonstop4h 20mVolaris El Salvador
Wed 10/86:37 pmSAL - IAD
Nonstop4h 17mVolaris El Salvador
Deal found 9/7$198

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 2,558,603 searches. Data last updated September 9, 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 10/15

5:05 pm-7:30 pm

Nonstop4h 25m

San Salvador El Salvador Intl

Mon 10/20

8:30 pm-2:45 am

Nonstop4h 15m

$247

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 10/15

4:05 am-6:30 am

Nonstop4h 25m

San Salvador El Salvador Intl

Tue 10/21

10:05 pm-4:20 am

Nonstop4h 15m

$247

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Thu 10/16

5:45 am-8:00 am

Nonstop4h 15m

San Salvador El Salvador Intl

Mon 10/20

10:05 pm-4:20 am

Nonstop4h 15m

$248

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Tue 10/7

9:34 am-11:37 pm

1 stop16h 03m

San Salvador El Salvador Intl

Fri 10/17

8:33 am-4:20 am

1 stop17h 47m

$259

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sun 11/30

3:31 am-8:35 pm

1 stop18h 04m

San Salvador El Salvador Intl

Mon 12/15

7:30 am-3:22 am

1 stop18h 52m

$259

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Tue 10/14

4:41 pm-11:37 pm

1 stop8h 56m

San Salvador El Salvador Intl

Sun 10/19

8:33 am-4:20 am

1 stop17h 47m

$259

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 10/8

9:34 am-8:40 pm

1 stop13h 06m

San Salvador El Salvador Intl

Sat 10/18

7:30 am-4:20 am

1 stop18h 50m

$259

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Mon 10/27

9:34 am-11:37 pm

1 stop16h 03m

San Salvador El Salvador Intl

Tue 11/4

1:46 pm-3:22 am

1 stop12h 36m

$259

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 10/1

4:41 pm-11:37 pm

1 stop8h 56m

San Salvador El Salvador Intl

Wed 10/8

8:33 am-4:20 am

1 stop17h 47m

$259

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Thu 9/25

4:34 pm-11:35 pm

1 stop9h 01m

San Salvador El Salvador Intl

Sat 10/4

7:30 am-4:20 am

1 stop18h 50m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/7

Showing 1-10 of 23 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 August 29, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to San Salvador, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $260). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in December is currently the most expensive (average of $588). 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 September 9, 2025.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to San Salvador at noon. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to San Salvador?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to San Salvador. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to San Salvador flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 9, 2025.
Peruse reviews from past customers who have flown with Copa Airlines, United Airlines, and Avianca from Washington, D.C. Dulles Intl Airport to San Salvador to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,527 reviews

Boarding

7.8

Comfort

7.4

Overall

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
Copa Airlines
7.6
Good
1,527 reviews
Copa Airlines
7.6
Good
1,527 reviews

Boarding

7.8

Comfort

7.4

Overall

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
United Airlines
7.4
Good
8,943 reviews
Copa Airlines
7.6
Good
1,527 reviews

Boarding

7.8

Comfort

7.4

Overall

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
Avianca
6.7
Okay
2,434 reviews
Copa Airlines
7.6
Good
1,527 reviews

Boarding

7.8

Comfort

7.4

Overall

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.
Volaris
6.6
Okay
1,156 reviews
Copa Airlines
7.6
Good
1,527 reviews

Boarding

7.8

Comfort

7.4

Overall

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Paul,May 2025

PTY - AUA

Had to use my phone for entertainment? Once we landed people were already out their seats and standing in the isles while the plane was still taxiing to the gate. This is unsafe and flight crew had a responsibility to ensure that people remain seated until the pilots turn off the seatbelt sign.

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?

    If you book a flight to San Salvador from Washington, D.C. Dulles Intl, you will be flying to El Salvador Intl, which is the city’s only airport. San Salvador El Salvador Intl (SAL) is located 20.5 mi from the center of San Salvador. There are 3 flights from Washington, D.C. Dulles Intl to El Salvador Intl per day from 8 different airlines.

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

    Airlines like Avianca and Copa Airlines fly from Washington, D.C. Dulles Intl Airport to San Salvador in about 4h 25m. The time it takes to get you to your destination can typically vary by up to 11h 38m. The distance between Washington, D.C. Dulles Intl Airport and San Salvador is about 1898 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to San Salvador round-trip from $120. Other airlines that can offer you cheap pricing are Volaris, from $132, and United Airlines, from $148. You may be able to fly from Washington, D.C. Dulles Intl Airport to San Salvador for 65% less than the average price by searching for these airlines.

  • 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?

    On average you can expect to pay $456 for a flight from Washington, D.C. Dulles Intl Airport to San Salvador. The cheapest flight overall is $74 while the most popular route, (Washington, D.C. Dulles Intl - San Salvador El Salvador Intl) is currently priced at $181.

  • 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 $260). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in December is currently the most expensive (average of $588). 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

Traveling to a place near San Salvador?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dulles Intl to San Salvador

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to San Salvador flights
Reagan-National to San Salvador flights

Top 8 airlines flying from Dulles Intl to San Salvador

Discover the top 8 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 2,558,603 searches. Data last updated September 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$120Average$362FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$132Average$386FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$148Average$412FlexibilityNo cancel feeOn-time69%
FrontierCheapest$163Average$857FlexibilityNo cancel feeOn-time62%
Volaris El SalvadorCheapest$175Average$308FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$205Average$412FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$216Average$559FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$266Average$432FlexibilityNo cancel feeOn-time71%

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