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$116+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAL
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 86 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 July 3, 2025.

Round-trip from

$267
(Mytrip)

One-way from

$116
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$365

Good round-trip deal

$300 or less

Good one-way deal

$140 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. 21% potential increase in price ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/2. 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.
Mon 9/292:35 amIAD - SAL
1 stop10h 15mAvianca
Thu 10/168:30 pmSAL - IAD
Nonstop4h 15mAvianca
Deal found 7/2$267
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:00 amIAD - SAL
1 stop8h 27mDelta
Fri 8/221:52 pmSAL - IAD
1 stop8h 29mDelta
Deal found 7/3$270
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/114:36 pmIAD - SAL
2 stops21h 00mAmerican Airlines
Fri 8/292:12 pmSAL - IAD
2 stops27h 30mAmerican Airlines
Deal found 7/3$274
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2210:05 pmIAD - SAL
1 stop18h 18mUnited Airlines
Mon 9/83:30 pmSAL - IAD
1 stop17h 58mUnited Airlines
Deal found 7/3$280
This CheapOair deal was found by Cheapflights users on 7/3. 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 9/42:37 amIAD - SAL
Nonstop4h 20mVolaris El Salvador
Sun 9/76:37 pmSAL - IAD
Nonstop4h 17mVolaris El Salvador
Deal found 7/3$281
This Booking.com deal was found by Cheapflights users on 7/3. 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.
Sun 8/312:37 amIAD - SAL
Nonstop4h 20mMultiple Airlines
Tue 9/238:15 amSAL - IAD
1 stop15h 00mMultiple Airlines
Deal found 7/3$282
This Mytrip deal was found by Cheapflights users on 7/2. 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 7/306:10 amIAD - SAL
1 stop18h 35mFrontier
Wed 8/611:50 pmSAL - IAD
1 stop22h 29mFrontier
Deal found 7/2$316

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 July 3, 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

Mon 9/29

2:35 am-10:50 am

1 stop10h 15m

San Salvador El Salvador Intl

Thu 10/16

8:30 pm-2:45 am

Nonstop4h 15m

$267

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Mon 8/18

6:00 am-12:27 pm

1 stop8h 27m

San Salvador El Salvador Intl

Fri 8/22

1:52 pm-12:21 am

1 stop8h 29m

$270

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Mon 8/11

4:36 pm-11:36 am

2 stops21h 00m

San Salvador El Salvador Intl

Wed 8/20

2:40 pm-12:48 pm

2 stops20h 08m

$274

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Fri 8/22

10:05 pm-2:23 pm

1 stop18h 18m

San Salvador El Salvador Intl

Mon 9/8

3:30 pm-11:28 am

1 stop17h 58m

$280

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Thu 9/4

2:37 am-4:57 am

Nonstop4h 20m

San Salvador El Salvador Intl

Sun 9/7

6:37 pm-12:54 am

Nonstop4h 17m

$281

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sun 8/31

2:37 am-4:57 am

Nonstop4h 20m

San Salvador El Salvador Intl

Tue 9/23

8:15 am-1:15 am

1 stop15h 00m

$282

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 7/30

6:10 am-10:45 pm

1 stop18h 35m

San Salvador El Salvador Intl

Wed 8/6

11:50 pm-12:19 am

1 stop22h 29m

$316

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sat 8/2

2:25 pm-4:45 pm

Nonstop4h 20m

$116

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sun 8/10

8:19 pm-11:36 am

2 stops17h 17m

$117

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Mon 9/29

2:35 am-10:50 am

1 stop10h 15m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 13 results
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?

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 June 27, 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 86 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 July 3, 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 33% 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 June 29, 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to San Salvador flight should consider departing on Monday 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.

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 July 3, 2025.

The most flights from IAD to SAL are scheduled on a Monday (8 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to San Salvador?

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 July 3, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines 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.
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

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!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

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!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

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!
Avianca
6.7
Okay
2,363 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

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?

    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 7 flights from Washington, D.C. Dulles Intl to El Salvador Intl per day from 7 different airlines.

  • 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 $267. Other airlines that can offer you cheap pricing are Volaris El Salvador, from $268, and Delta, from $270. You may be able to fly from Washington, D.C. Dulles Intl Airport to San Salvador for 21% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $116 on Volaris El Salvador. Other airlines that offer cheap prices include American Airlines from $117 and Avianca from $118 one-way.

  • 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 (79%) and Avianca (77%).

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

    On average you can expect to pay $839 for a flight from Washington, D.C. Dulles Intl Airport to San Salvador. The cheapest flight overall is $110 while the most popular route, (Washington, D.C. Dulles Intl - San Salvador El Salvador Intl) is currently priced at $249.

  • 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Sonsonate
La Libertad
El Cuco
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 7 airlines flying from Dulles Intl to San Salvador

Discover the top 7 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$104Average$362FlexibilityNo cancel feeOn-time79%
DeltaCheapest$120Average$362FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$134Average$416FlexibilityNo cancel feeOn-time69%
Volaris El SalvadorCheapest$163Average$303FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$202Average$406FlexibilityNo cancel feeOn-time71%
AviancaCheapest$207Average$421FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$274Average$546FlexibilityNo cancel feeOn-time70%

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