United AirlinesDepart06:00
Thu, Nov 19BWI → SAL
6h 41m · 1 stop
$227one way, per person
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- Cheapest fare
- $227
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 4h 30m
United Airlines · Thu, Nov 19
from $227
Frontier Airlines, United Airlines and avianca airlines
3,050 km
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Cheapest month to fly from Washington to San Salvador
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
See every date in November 2026 →
Plan the rest of your trip to San Salvador
Where to stay, what to do and getting around, from our travel partners.
About flights from Washington to San Salvador
Washington (WAS) and San Salvador (SAL) are about 3,050 km apart. Direct flights take around 4h 30m, and recent direct fares were with Frontier Airlines, United Airlines and avianca airlines. Over the next few months, one-way fares start from $227, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Washington to San Salvador?
The cheapest one-way fare we've seen recently is $227 with United Airlines, departing Thursday, November 19, 2026. Over the coming months, the lowest fare in each month ranges from $227 to $404.
What is the cheapest month to fly from Washington to San Salvador?
November 2026 currently has the lowest fares, from $227 one way.
Are there direct flights from Washington to San Salvador?
Yes. Recent direct fares were with Frontier Airlines, United Airlines and avianca airlines.
How long is the flight from Washington to San Salvador?
A direct flight takes about 4h 30m. Washington and San Salvador are around 3,050 km apart.
Which airlines fly from Washington to San Salvador?
Recent fares on this route were with United Airlines, Frontier Airlines, American Airlines and avianca airlines.
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