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$298+ Cheap flights from San Salvador (SAL) to Seattle (SEA)

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — SEA
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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Cheap flight deals from San Salvador to Seattle

Cheapest flights from San Salvador to Seattle
Explore the most affordable flight options available from San Salvador to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.

This CheapOair deal was found by Cheapflights users on 4/27. 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.
Mon 7/1311:05 am
SAL
-
SEA
2 stops24h 34m
Frontier
Thu 7/233:34 pm
SEA
-
SAL
2 stops17h 26m
Frontier
Deal found 4/27$583
This eDestinos deal was found by Cheapflights users on 4/25. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:20 pm
SAL
-
SEA
1 stop16h 14m
Multiple Airlines
Wed 9/308:40 am
SEA
-
SAL
1 stop11h 10m
Multiple Airlines
Deal found 4/25$593
This CheapOair deal was found by Cheapflights users on 4/25. 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.
Fri 5/293:50 pm
SAL
-
SEA
2 stops27h 45m
Frontier
Thu 6/113:33 pm
SEA
-
SAL
2 stops17h 27m
Frontier
Deal found 4/25$596
This Trip.com deal was found by Cheapflights users on 4/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:16 am
SAL
-
SEA
1 stop14h 19m
Multiple Airlines
Tue 6/91:50 pm
SEA
-
SAL
1 stop15h 05m
Multiple Airlines
Deal found 4/26$614
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 8/299:12 am
SAL
-
SEA
2 stops25h 36m
Multiple Airlines
Tue 9/223:53 pm
SEA
-
SAL
1 stop12h 24m
Multiple Airlines
Deal found 4/27$616
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:49 pm
SAL
-
SEA
1 stop24h 01m
Multiple Airlines
Mon 11/27:35 am
SEA
-
SAL
1 stop25h 19m
Multiple Airlines
Deal found 4/24$618
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 9/39:12 am
SAL
-
SEA
2 stops29h 52m
Multiple Airlines
Tue 9/223:53 pm
SEA
-
SAL
1 stop12h 24m
Multiple Airlines
Deal found 4/27$619
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 9/17:35 am
SAL
-
SEA
2 stops28h 00m
Multiple Airlines
Sat 9/199:32 pm
SEA
-
SAL
1 stop30h 45m
Multiple Airlines
Deal found 4/27$627
This Avianca deal was found by Cheapflights users on 4/27. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:45 am
SAL
-
SEA
1 stop10h 54m
Multiple Airlines
Sun 9/277:21 pm
SEA
-
SAL
1 stop10h 09m
Multiple Airlines
Deal found 4/27$628
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 8/315:16 am
SAL
-
SEA
1 stop14h 10m
Multiple Airlines
Tue 9/223:53 pm
SEA
-
SAL
1 stop12h 24m
Multiple Airlines
Deal found 4/27$635
This eDestinos deal was found by Cheapflights users on 4/26. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:20 pm
SAL
-
SEA
1 stop16h 14m
Multiple Airlines
Tue 9/225:40 pm
SEA
-
SAL
1 stop11h 50m
Multiple Airlines
Deal found 4/26$642

Find flight deals from San Salvador to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from San Salvador (SAL) to Seattle (SEA). 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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$583
(CheapOair)

One-way from

$298
(Kiwi.com)

Popular in

February

Cheapest in

October

Average price

$683
Provider with most accurate pricing for San Salvador El Salvador Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Salvador El Salvador Intl-Seattle/Tacoma Intl flights.
Search Deals
From San Salvador El Salvador Intl to Seattle/Tacoma Intl
Search Deals
One-way flight from San Salvador El Salvador Intl to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Salvador to Seattle 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 April 28, 2026.
Use the filters below to find and compare flights from San Salvador to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Thu 8/27

7:20 pm-10:34 am

1 stop16h 14m

Seattle/Tacoma Intl

Tue 9/22

8:21 pm-9:05 am

1 stop11h 44m

$642

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Tue 6/9

8:00 am-6:26 pm

1 stop11h 26m

Seattle/Tacoma Intl

Thu 6/18

2:02 pm-6:30 am

1 stop15h 28m

$660

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Sun 6/14

5:16 am-10:35 am

2 stops30h 19m

Seattle/Tacoma Intl

Mon 6/22

2:02 pm-9:55 am

1 stop18h 53m

$720

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Thu 5/28

12:22 pm-12:08 am

1 stop12h 46m

Seattle/Tacoma Intl

Thu 6/25

5:38 pm-12:42 pm

1 stop18h 04m

$809

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Thu 10/1

7:30 am-1:05 am

2 stops18h 35m

Seattle/Tacoma Intl

Thu 10/22

3:30 pm-12:40 pm

2 stops20h 10m

$1,013

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Sun 5/31

1:15 am-3:55 pm

2 stops15h 40m

Seattle/Tacoma Intl

Mon 6/15

7:54 pm-2:30 pm

2 stops17h 36m

$1,014
Quickest round-trip

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Tue 7/21

2:00 am-2:30 pm

2 stops13h 30m

Seattle/Tacoma Intl

Thu 8/6

7:05 am-6:58 pm

1 stop10h 53m

$1,014

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Wed 9/23

2:00 am-4:14 pm

2 stops15h 14m

Seattle/Tacoma Intl

Mon 9/28

8:40 pm-12:15 pm

2 stops14h 35m

$1,014

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Tue 8/4

1:15 am-2:36 pm

2 stops14h 21m

Seattle/Tacoma Intl

Mon 8/17

6:00 pm-12:15 pm

2 stops17h 15m

$1,014
Cheapest one-way
Quickest one-way

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Mon 6/8

8:00 am-6:35 pm

1 stop11h 35m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from San Salvador to Seattle

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 Seattle in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
BudgetAirPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Salvador-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Salvador-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Salvador-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub 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-Seattle 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 Seattle

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

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

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Salvador to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from San Salvador to Seattle (average of $529). Flying from San Salvador to Seattle in February is currently the most expensive (average of $748). 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.

How much does it cost to fly round-trip from San Salvador to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated April 28, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from San Salvador to Seattle 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.
United Airlines
7.4
Good
9,672 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,672 reviews
United Airlines
7.4
Good
9,672 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,677 reviews
United Airlines
7.4
Good
9,672 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from San Salvador to Seattle. 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 San Salvador to Seattle?

    Departing from San Salvador to Seattle will take you 12h 46m. Airlines will cover a distance of 3027 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from San Salvador to Seattle is United Airlines. Our recent data shows that you can find tickets from as low as $525 on this airline. An additional option worth looking into is American Airlines, starting at $577. You may be able to fly from San Salvador to Seattle for 16% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Salvador to Seattle one-way?

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as $252. Users have also found prices from $307 and $356 on American Airlines and United Airlines, respectively.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from San Salvador to Seattle (average of $529). Flying from San Salvador to Seattle in February is currently the most expensive (average of $748). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
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Shoreline

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from San Salvador to Seattle

Discover the top 2 airlines that operate flights from San Salvador to Seattle. 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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$525Average$630FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$577Average$748FlexibilityNo cancel feeOn-time71%

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