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Dulles Intl

$128+ Cheap flights from San Salvador (SAL) to Dulles Intl (IAD)

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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — IAD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Salvador El Salvador Intl to Washington, D.C. Dulles Intl are usually found in October or September, booked 89 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from San Salvador to Dulles Intl

Cheapest flights from San Salvador to Dulles Intl
Explore the most affordable flight options available from San Salvador to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:46 pmSAL - IAD
Nonstop4h 13mFrontier
Sun 1/111:46 pmIAD - SAL
1 stop20h 19mFrontier
Deal found 12/9$177
This Frontier deal was found by Cheapflights users on 12/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:46 pmSAL - IAD
Nonstop4h 13mFrontier
Sun 1/412:51 pmIAD - SAL
Nonstop4h 53mFrontier
Deal found 12/9$179
This Trip.com deal was found by Cheapflights users on 12/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:46 pmSAL - IAD
Nonstop4h 13mFrontier
Sun 1/412:51 pmIAD - SAL
Nonstop4h 53mFrontier
Deal found 12/9$181
This Frontier deal was found by Cheapflights users on 12/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:46 pmSAL - IAD
Nonstop4h 13mFrontier
Sat 1/312:38 pmIAD - SAL
Nonstop4h 53mFrontier
Deal found 12/8$187
This Frontier deal was found by Cheapflights users on 12/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:46 pmSAL - IAD
Nonstop4h 13mFrontier
Thu 1/1512:38 pmIAD - SAL
Nonstop4h 53mFrontier
Deal found 12/10$188
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:46 pmSAL - IAD
Nonstop4h 13mFrontier
Fri 1/26:05 amIAD - SAL
1 stop30h 51mFrontier
Deal found 12/9$190
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:46 pmSAL - IAD
Nonstop4h 13mFrontier
Sat 1/35:15 amIAD - SAL
1 stop7h 41mFrontier
Deal found 12/10$191
This Flightnetwork deal was found by Cheapflights users on 12/9. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:46 pmSAL - IAD
Nonstop4h 13mFrontier
Sat 1/35:15 amIAD - SAL
1 stop7h 41mFrontier
Deal found 12/9$194

Find flight deals from San Salvador to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Salvador (SAL) to Dulles Intl (IAD). 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 December 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$175
(eDestinos)

One-way from

$128
(Expedia)

Popular in

January

Cheapest in

October

Average price

$285

Good round-trip deal

$217 or less

Good one-way deal

$158 or less
Provider with most accurate pricing for San Salvador El Salvador Intl-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for San Salvador El Salvador Intl-Washington, D.C. Dulles Intl flights.
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From San Salvador El Salvador Intl to Washington, D.C. Dulles Intl
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One-way flight from San Salvador El Salvador Intl to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from San Salvador El Salvador Intl to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from San Salvador El Salvador Intl to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Salvador to Dulles Intl 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 December 12, 2025.
Use the filters below to find and compare flights from San Salvador to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

San Salvador

Fly to

Dulles Intl

Route

Depart

Return

Price

San SalvadorWashington, D.C.

SAL - IAD

SALIAD

San Salvador El Salvador Intl

Fri 1/16

5:51 pm-10:58 pm

Nonstop4h 07m

Washington, D.C. Dulles Intl

Tue 2/17

1:07 pm-4:44 pm

Nonstop4h 37m

$224

San SalvadorWashington, D.C.

SAL - IAD

SALIAD

San Salvador El Salvador Intl

Thu 3/26

10:05 pm-4:10 am

Nonstop4h 05m

Washington, D.C. Dulles Intl

Mon 4/13

2:35 am-10:50 am

1 stop10h 15m

$254

San SalvadorWashington, D.C.

SAL - IAD

SALIAD

San Salvador El Salvador Intl

Wed 2/11

2:35 pm-12:24 am

1 stop8h 49m

Washington, D.C. Dulles Intl

Mon 3/2

7:15 am-1:10 pm

1 stop6h 55m

$268

San SalvadorWashington, D.C.

SAL - IAD

SALIAD

San Salvador El Salvador Intl

Thu 12/25

1:10 am-6:17 am

Nonstop4h 07m

Washington, D.C. Dulles Intl

Wed 12/31

10:15 pm-1:19 pm

1 stop16h 04m

$276

San SalvadorWashington, D.C.

SAL - IAD

SALIAD

San Salvador El Salvador Intl

Wed 12/24

1:10 am-6:17 am

Nonstop4h 07m

Washington, D.C. Dulles Intl

Wed 12/31

5:40 pm-12:36 am

1 stop7h 56m

$276

San SalvadorWashington, D.C.

SAL - IAD

SALIAD

San Salvador El Salvador Intl

Wed 12/24

6:55 am-11:49 pm

1 stop15h 54m

Washington, D.C. Dulles Intl

Thu 1/1

6:08 am-9:19 pm

1 stop16h 11m

$286

San SalvadorWashington, D.C.

SAL - IAD

SALIAD

San Salvador El Salvador Intl

Tue 12/23

6:55 am-9:04 pm

1 stop13h 09m

Washington, D.C. Dulles Intl

Wed 12/31

10:15 pm-3:24 pm

1 stop18h 09m

$286

San SalvadorWashington, D.C.

SAL - IAD

SALIAD

San Salvador El Salvador Intl

Tue 12/23

6:55 am-10:19 pm

1 stop14h 24m

Washington, D.C. Dulles Intl

Thu 1/1

6:08 am-9:19 pm

1 stop16h 11m

$286

San SalvadorWashington, D.C.

SAL - IAD

SALIAD

San Salvador El Salvador Intl

Thu 12/25

2:50 pm-11:49 pm

1 stop7h 59m

Washington, D.C. Dulles Intl

Thu 1/1

6:08 am-9:19 pm

1 stop16h 11m

$286

San SalvadorWashington, D.C.

SAL - IAD

SALIAD

San Salvador El Salvador Intl

Mon 12/22

6:55 am-11:49 pm

1 stop15h 54m

Washington, D.C. Dulles Intl

Thu 1/1

6:08 am-9:19 pm

1 stop16h 11m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 22 results
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Compare providers for flights from San Salvador to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Salvador to Dulles Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Salvador-Washington, D.C. Dulles Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Salvador-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from San Salvador-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Salvador-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Salvador-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Salvador to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Salvador 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 San Salvador to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from San Salvador to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Salvador to Dulles Intl. Price data was last updated on December 5, 2025.

The price you pay for your flight from San Salvador to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 89 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 San Salvador to Washington, D.C. Dulles Intl Airport?

Currently, January is the cheapest month in which you can book a flight from San Salvador to Washington, D.C. Dulles Intl Airport (average of $100). Flying from San Salvador to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of $148). 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 SAL to IAD?

Find hourly flight availability from San Salvador to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 54% on flights from San Salvador to Washington, D.C. Dulles Intl Airport by exploring options for tickets at noon.

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

Use this chart to determine the cheapest time to fly round-trip from San Salvador to Dulles Intl. Price data was last updated on December 6, 2025.

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

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

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with Volaris El Salvador, United Airlines, and Avianca from San Salvador to Washington, D.C. Dulles Intl Airport 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

Boarding

7.5

Comfort

7.1

Food

6.0

Crew

7.7

Entertainment

5.8

Overall

7.4
Volaris El Salvador
7.4
Good
Volaris El Salvador
7.4
Good

Boarding

7.5

Comfort

7.1

Food

6.0

Crew

7.7

Entertainment

5.8

Overall

7.4
United Airlines
7.4
Good
9,095 reviews
Volaris El Salvador
7.4
Good

Boarding

7.5

Comfort

7.1

Food

6.0

Crew

7.7

Entertainment

5.8

Overall

7.4
Avianca
6.6
Okay
2,480 reviews
Volaris El Salvador
7.4
Good

Boarding

7.5

Comfort

7.1

Food

6.0

Crew

7.7

Entertainment

5.8

Overall

7.4
Frontier
5.8
Fair
3,084 reviews
Volaris El Salvador
7.4
Good

Boarding

7.5

Comfort

7.1

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 San Salvador to Dulles Intl. 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 from for flights from San Salvador to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from San Salvador, you will be flying from 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 6 flights from El Salvador Intl to Washington, D.C. Dulles Intl per day from 4 different airlines.

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

    Avianca, Delta, and United Airlines can get you from San Salvador to Washington, D.C. Dulles Intl Airport in just under 4h 05m. Your travel time can differ by up to 4h 44m. The distance from San Salvador to Washington, D.C. Dulles Intl Airport is about 1898 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Volaris El Salvador ($111), Frontier ($143), and United Airlines ($153) offers the cheapest pricing from San Salvador to Washington, D.C. Dulles Intl Airport. These flights start at 61% lower than the current average price 3 months from now.

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

    $99 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Volaris El Salvador and United Airlines, with prices starting from $127 and $148, respectively.

  • What are the most reliable airlines from San Salvador to Washington, D.C. Dulles Intl Airport?

    Consider Volaris Costa Rica (100%), United Airlines (100%) or ANA (93%) when booking your flight. These represent the most reliable airlines when flying from San Salvador to Washington, D.C. Dulles Intl Airport.

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

    Looking for the cheapest flight from San Salvador to Washington, D.C. Dulles Intl Airport? While on average our users pay $245, our data indicates the cheapest price to be $105. The most popular route (San Salvador El Salvador Intl - Washington, D.C. Dulles Intl), is priced around $156.

  • Can I find deals for flights from San Salvador to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on San Salvador to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Salvador to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Salvador to Dulles Intl.

  • Can I find deals for business class flights from San Salvador to Dulles Intl?

    Yes. Cheapflights offers flight deals from San Salvador to Dulles Intl 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 San Salvador to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from San Salvador to Washington, D.C. Dulles Intl Airport (average of $100). Flying from San Salvador to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of $148). 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
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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Alternative routes for San Salvador to Dulles Intl

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

Top 4 airlines flying from San Salvador to Dulles Intl

Discover the top 4 airlines that operate flights from San Salvador to Dulles Intl. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Volaris El SalvadorCheapest$142Average$286FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$143Average$218FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$154Average$355FlexibilityNo cancel feeOn-time69%
AviancaCheapest$199Average$367FlexibilityNo cancel feeOn-time71%

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