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San Salvador

$149+ Cheap flights from Seattle (SEA) 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAL
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to San Salvador El Salvador Intl are usually found in September or August, booked 52 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Seattle to San Salvador

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) 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 November 13, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$430
(Expedia)

One-way from

$149
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$619
Provider with most accurate pricing for Seattle/Tacoma Intl-San Salvador El Salvador Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-San Salvador El Salvador Intl flights.
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From Seattle/Tacoma Intl to San Salvador El Salvador Intl
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One-way flight from Seattle/Tacoma Intl to San Salvador El Salvador Intl
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Highest demand for flights based on searches. 18% potential increase in price ($146 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Seattle to San Salvador

Cheapest flights from Seattle to San Salvador
Explore the most affordable flight options available from Seattle to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This FlightHub deal was found by Cheapflights users on 11/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/88:10 amSEA - SAL
1 stop21h 55mAvianca
Wed 12/177:45 amSAL - SEA
1 stop12h 43mAvianca
Deal found 11/12$459
This Cheapflightsfares deal was found by Cheapflights users on 11/12. 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.
Wed 12/38:40 amSEA - SAL
1 stop11h 15mMultiple Airlines
Wed 12/2411:50 amSAL - SEA
1 stop11h 42mMultiple Airlines
Deal found 11/12$464
This Trip.com deal was found by Cheapflights users on 11/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:29 pmSEA - SAL
1 stop21h 26mMultiple Airlines
Fri 2/275:30 amSAL - SEA
2 stops13h 30mMultiple Airlines
Deal found 11/10$476
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Thu 12/115:36 pmSEA - SAL
1 stop16h 47mMultiple Airlines
Thu 12/185:35 pmSAL - SEA
1 stop33h 07mMultiple Airlines
Deal found 11/11$508
This Trip.com deal was found by Cheapflights users on 11/12. 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 11/151:52 pmSEA - SAL
1 stop14h 38mMultiple Airlines
Sat 11/228:25 pmSAL - SEA
1 stop16h 40mMultiple Airlines
Deal found 11/12$509
This Cheapflightsfares deal was found by Cheapflights users on 11/12. 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.
Tue 12/28:40 amSEA - SAL
1 stop11h 15mMultiple Airlines
Tue 12/99:00 amSAL - SEA
1 stop9h 46mMultiple Airlines
Deal found 11/12$510
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Thu 12/115:36 pmSEA - SAL
1 stop16h 47mMultiple Airlines
Mon 12/153:52 pmSAL - SEA
1 stop21h 00mMultiple Airlines
Deal found 11/11$518
This Cheapflightsfares deal was found by Cheapflights users on 11/12. 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.
Thu 11/138:44 amSEA - SAL
1 stop11h 11mMultiple Airlines
Thu 1/299:00 amSAL - SEA
1 stop9h 36mMultiple Airlines
Deal found 11/12$523
This Cheapflightsfares deal was found by Cheapflights users on 11/12. 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.
Thu 11/138:00 amSEA - SAL
1 stop22h 05mAvianca
Fri 11/1410:05 pmSAL - SEA
1 stop24h 49mAvianca
Deal found 11/12$527
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Fri 12/124:46 pmSEA - SAL
2 stops41h 37mMultiple Airlines
Wed 12/319:10 amSAL - SEA
1 stop17h 32mMultiple Airlines
Deal found 11/11$557

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 November 13, 2025.
Use the filters below to find and compare flights from Seattle to San Salvador that are best for you.

Fly from

Seattle

Fly to

San Salvador

Route

Depart

Return

Price

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Tue 12/2

11:59 pm-3:24 pm

1 stop13h 25m

San Salvador El Salvador Intl

Sun 12/7

3:00 am-4:09 pm

1 stop15h 09m

$786

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Wed 1/21

12:35 pm-5:45 am

2 stops15h 10m

San Salvador El Salvador Intl

Tue 2/3

3:00 am-11:41 am

1 stop10h 41m

$786

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sun 1/11

9:00 am-5:45 am

1 stop18h 45m

San Salvador El Salvador Intl

Fri 1/30

3:00 am-4:29 pm

1 stop15h 29m

$786

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sat 1/17

9:00 am-5:45 am

1 stop18h 45m

San Salvador El Salvador Intl

Tue 1/20

3:00 am-9:12 pm

2 stops20h 12m

$786

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 1/15

9:00 am-5:45 am

1 stop18h 45m

San Salvador El Salvador Intl

Tue 1/20

3:00 am-9:12 pm

2 stops20h 12m

$786

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Mon 12/8

11:59 pm-3:24 pm

1 stop13h 25m

San Salvador El Salvador Intl

Tue 12/16

3:00 am-9:00 pm

2 stops20h 00m

$786

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Tue 2/3

7:00 am-9:19 pm

1 stop12h 19m

San Salvador El Salvador Intl

Tue 2/10

3:00 am-4:29 pm

1 stop15h 29m

$786

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Tue 12/2

11:59 pm-3:24 pm

1 stop13h 25m

San Salvador El Salvador Intl

Mon 12/8

3:00 am-9:00 pm

2 stops20h 00m

$786

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Wed 1/14

9:00 am-5:45 am

1 stop18h 45m

San Salvador El Salvador Intl

Tue 1/20

3:00 am-9:12 pm

2 stops20h 12m

$786

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sat 1/17

8:10 am-9:55 pm

1 stop11h 45m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 19 results
1
2

Compare providers for flights from Seattle to San Salvador

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 Seattle to San Salvador in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 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 Seattle-San Salvador flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Seattle-San Salvador flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Seattle-San Salvador flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-San Salvador flights, Cheapflights users trust Mytrip the most. Mytrip 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 Seattle-San Salvador 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 Seattle to San Salvador

Have a flexible travel schedule? Discover the best time to fly to San Salvador from Seattle 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 Seattle to San Salvador

How far ahead should I book a flight from Seattle to San Salvador?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to San Salvador. Price data was last updated on November 7, 2025.

The best time to book flights from Seattle to San Salvador is 52 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to San Salvador?

Currently, September is the cheapest month in which you can book a flight from Seattle to San Salvador (average of $399). Flying from Seattle to San Salvador in December is currently the most expensive (average of $639). 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 SEA to SAL?

Find hourly flight availability from Seattle 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 November 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to San Salvador in the morning. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Seattle to San Salvador?

Use this chart to determine the cheapest time to fly round-trip from Seattle to San Salvador. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to San Salvador flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday at noon 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 November 13, 2025.
Read through reviews of airlines operating flights from Seattle to San Salvador, such as United Airlines, American Airlines, and Avianca. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,016 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,016 reviews
United Airlines
7.4
Good
9,016 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,016 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Avianca
6.6
Okay
2,476 reviews
United Airlines
7.4
Good
9,016 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Seattle to San Salvador. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to San Salvador?

    There are many flights that can get you from Seattle to San Salvador in 13h 25m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 3027 mi.

  • What are the cheapest airlines flying from Seattle to San Salvador round-trip?

    Avianca, at $411, was found to be the cheapest airline from Seattle to San Salvador.Alternate airlines to your destination round-trip include American Airlines and United Airlines. These flights start at 36% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to San Salvador?

    Currently, September is the cheapest month in which you can book a flight from Seattle to San Salvador (average of $399). Flying from Seattle to San Salvador in December is currently the most expensive (average of $639). 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 Seattle to San Salvador

See prices for flight routes from nearby airports that may be better suited for you.
Portland to San Salvador flights
Pasco to San Salvador flights

Top 3 airlines flying from Seattle to San Salvador

Discover the top 3 airlines that operate flights from Seattle 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$411Average$551FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$439Average$701FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$471Average$619FlexibilityNo cancel feeOn-time69%

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