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Find cheap United Airlines flights to San Salvador

RDU — SAL
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find United Airlines flight deals to San Salvador

Cheapest United Airlines flights from USA to San Salvador
Explore the most affordable United Airlines flight options available from USA to San Salvador. Find the lowest fares with prices last updated on July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/24. 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 8/2810:15 am
IAH
-
SAL
Nonstop3h 00m
United Airlines
Fri 9/43:40 pm
SAL
-
IAH
Nonstop3h 07m
United Airlines
Deal found 7/24$386
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Mon 8/3110:15 am
IAH
-
SAL
Nonstop3h 00m
United Airlines
Wed 9/166:00 am
SAL
-
IAH
Nonstop3h 10m
United Airlines
Deal found 7/26$396
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 8/316:49 pm
IAH
-
SAL
Nonstop3h 00m
United Airlines
Wed 9/93:40 pm
SAL
-
IAH
Nonstop3h 07m
United Airlines
Deal found 7/23$423

Flights to San Salvador with United Airlines at a glance

Find detailed information about United Airlines flights from USA to San Salvador. Explore the options provided by United Airlines to plan your journey from USA to San Salvador. Data last updated July 27, 2026.

Popular in

December

Cheapest in

September

Average price

$525

Round-trip from

$386

One-way from

$170
Highest demand for flights to San Salvador with United Airlines; 7% potential price increase.
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Best time to find cheap flights to San Salvador with United Airlines; 3% potential price drop.
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Average price for flights to San Salvador with United Airlines (round-trip).
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United Airlines
  • United Airlines
  • 10/12-11/2
  • Nonstop
  • 6h 10m total
  • USA to San Salvador
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United Airlines
  • United Airlines
  • 8/17
  • Nonstop
  • 3h 00m total
  • USA to San Salvador
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Cheapflights Insights

Find cheap United Airlines flights to San Salvador

How long is the flight to San Salvador with United Airlines?

On average, United Airlines flights from the United States to San Salvador take 4 hours 13 minutes. Flights to San Salvador from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

United Airlines weekly flight availability to San Salvador

The most flights to San Salvador operated by United Airlines are scheduled on a Tuesday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).

When is the best time to book a flight to San Salvador with United Airlines?

The best time to book a flight to San Salvador with United Airlines is 54 days before departure. On average, fares are higher if you book 72 days before departure.

FAQs about flights to San Salvador with United Airlines

  • Which airport do United Airlines flights arrive at when travelling to San Salvador?

    United Airlines flights on this route tend to land at San Salvador El Salvador Intl Airport.

  • Is United Airlines the cheapest airline for a flight to San Salvador?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to San Salvador tends to be with Volaris.

  • Are there alternative airlines other than United Airlines that fly to San Salvador?

    Avianca, Volaris El Salvador and American Airlines all fly to San Salvador and offer an alternative to United Airlines.

  • How much is a flight to San Salvador with United Airlines?

    The average price for a return flight with United Airlines is $615; with a one-way flight around $315.

See more FAQs

Reviews of United Airlines

See what Cheapflights users have to say about their United Airlines experience.
United Airlines
7.4
Good
10,000 reviews
Overview

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Popular United Airlines flights

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Other airports near El Salvador Intl

Other San Salvador travelers fly to these airports near El Salvador Intl.
Flights to San Salvador Ilopango Airport