What is the cheapest airline that flies from Seattle/Tacoma Intl to San Salvador El Salvador Intl?

United Airlines and American Airlines are the most popular carriers operating from Seattle/Tacoma Intl to San Salvador El Salvador Intl

Which airport is the most popular layover for flights between Seattle and San Salvador?

Houston (IAH) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Seattle to San Salvador?

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 10h 17m.

Which layover airport has the shortest connection time from Seattle to San Salvador?

Los Angeles (LAX) has the shortest average layover time for this route: 3h 28m.

What airlines fly to San Salvador?

United Airlines, American Airlines and Avianca are the top three most popular airlines that fly to San Salvador from Seattle according to our data. United Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to San Salvador. Keep in mind that there are 4 different airlines that fly to San Salvador on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Seattle to San Salvador?

Flights via Washington, D.C. (IAD) offer the lowest average round-trip price of $513.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport?

Prices for flights from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport are updated daily.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport?

The number of operators available for flights from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport is 4 as of August 2025.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport.

What documentation or ID do you need to fly to San Salvador El Salvador Intl Airport?

The travel and health documents you'll need for your trip to San Salvador El Salvador Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Salvador El Salvador Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$160 Cheap Flights from Seattle to San Salvador in 2025

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Find the cheapest flights from Seattle to San Salvador

Round-trip

One-way

Last minute

Cheap round-trip flights

10:25 am - 9:05 pmSEA-SAL

9h 40m1 stop

9:30 am - 8:42 pmSAL-SEA

12h 12m1 stop

$387

Find Deal

Thu, Aug 28 - Thu, Sep 4

10:25 am - 9:05 pmSEA-SAL

9h 40m1 stop

9:30 am - 8:42 pmSAL-SEA

12h 12m1 stop

$396

Find Deal

Sat, Aug 30 - Sat, Sep 6

10:55 pm - 7:30 pmSEA-SAL

19h 35m1 stop

9:30 am - 8:42 pmSAL-SEA

12h 12m1 stop

$412Avianca

Find Deal

Tue, Sep 9 - Sat, Sep 13

3:51 pm - 7:00 amSEA-SAL

14h 09m2 stops

8:00 am - 10:17 pmSAL-SEA

15h 17m1 stop

$417

Find Deal

Sat, Aug 30 - Tue, Sep 30

7:59 pm - 7:00 amSEA-SAL

10h 01m1 stop

12:05 pm - 9:23 pmSAL-SEA

10h 18m1 stop

$420

Find Deal

Wed, Oct 1 - Fri, Oct 17

5:26 pm - 5:50 amSEA-SAL

11h 24m1 stop

9:30 am - 8:44 pmSAL-SEA

12h 14m1 stop

$437Avianca

Find Deal

Thu, Oct 2 - Tue, Oct 7

5:14 pm - 4:50 amSEA-SAL

10h 36m1 stop

6:00 am - 5:31 pmSAL-SEA

12h 31m1 stop

$450United Airlines

Find Deal

Tue, Sep 16 - Wed, Sep 24

6:25 am - 8:17 pmSEA-SAL

12h 52m2 stops

6:00 am - 10:15 pmSAL-SEA

17h 15m2 stops

$454United Airlines

Find Deal

Wed, Sep 17 - Tue, Sep 23

12:58 am - 1:12 pmSEA-SAL

11h 14m1 stop

12:35 pm - 11:59 pmSAL-SEA

12h 24m1 stop

$475American Airlines

Find Deal

Thu, Aug 28 - Wed, Sep 3

12:58 am - 1:12 pmSEA-SAL

11h 14m1 stop

12:35 pm - 11:59 pmSAL-SEA

12h 24m1 stop

$495American Airlines

Find Deal

Thu, Aug 28 - Sat, Sep 13

American Airlines flights from Seattle to San Salvador

Our best American Airlines deals on Seattle to San Salvador flight tickets

American Airlines

Aug 28

SEA12:58 amSeattle/Tacoma Intl

11h 14m

1 stop

SAL1:12 pmSan Salvador El Salvador Intl

Sep 3

SAL12:35 pmSan Salvador El Salvador Intl

12h 24m

1 stop

SEA11:59 pmSeattle/Tacoma Intl

$475

Find similar

American Airlines

Aug 28

SEA12:58 amSeattle/Tacoma Intl

11h 14m

1 stop

SAL1:12 pmSan Salvador El Salvador Intl

Sep 13

SAL12:35 pmSan Salvador El Salvador Intl

12h 24m

1 stop

SEA11:59 pmSeattle/Tacoma Intl

$495

Find similar

American Airlines

Aug 10

SEA12:58 amSeattle/Tacoma Intl

11h 14m

1 stop

SAL1:12 pmSan Salvador El Salvador Intl

Aug 29

SAL2:12 pmSan Salvador El Salvador Intl

21h 13m

2 stops

SEA10:25 amSeattle/Tacoma Intl

$828

Find similar

Avianca flights from Seattle to San Salvador

Our best Avianca deals on Seattle to San Salvador flight tickets

Avianca

Sep 9

SEA10:55 pmSeattle/Tacoma Intl

19h 35m

1 stop

SAL7:30 pmSan Salvador El Salvador Intl

Sep 13

SAL9:30 amSan Salvador El Salvador Intl

12h 12m

1 stop

SEA8:42 pmSeattle/Tacoma Intl

$412

Find similar

Avianca

Oct 2

SEA5:26 pmSeattle/Tacoma Intl

11h 24m

1 stop

SAL5:50 amSan Salvador El Salvador Intl

Oct 7

SAL9:30 amSan Salvador El Salvador Intl

12h 14m

1 stop

SEA8:44 pmSeattle/Tacoma Intl

$437

Find similar

Avianca

Nov 13

SEA12:41 pmSeattle/Tacoma Intl

15h 34m

1 stop

SAL6:15 amSan Salvador El Salvador Intl

Jan 29

SAL9:20 amSan Salvador El Salvador Intl

12h 50m

1 stop

SEA8:10 pmSeattle/Tacoma Intl

$442

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 8/28

10:25 am-9:05 pm

1 stop9h 40m

San Salvador El Salvador Intl

Thu 9/4

9:30 am-8:42 pm

1 stop12h 12m

$387

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sat 8/30

10:25 am-9:05 pm

1 stop9h 40m

San Salvador El Salvador Intl

Sat 9/6

9:30 am-8:42 pm

1 stop12h 12m

$396

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Tue 9/9

10:55 pm-7:30 pm

1 stop19h 35m

San Salvador El Salvador Intl

Sat 9/13

9:30 am-8:42 pm

1 stop12h 12m

$412

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sat 8/30

3:51 pm-7:00 am

2 stops14h 09m

San Salvador El Salvador Intl

Tue 9/30

8:00 am-10:17 pm

1 stop15h 17m

$417

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Wed 10/1

7:59 pm-7:00 am

1 stop10h 01m

San Salvador El Salvador Intl

Fri 10/17

12:05 pm-9:23 pm

1 stop10h 18m

$420

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 10/2

5:26 pm-5:50 am

1 stop11h 24m

San Salvador El Salvador Intl

Tue 10/7

9:30 am-8:44 pm

1 stop12h 14m

$437

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Tue 9/16

5:14 pm-4:50 am

1 stop10h 36m

San Salvador El Salvador Intl

Wed 9/24

6:00 am-5:31 pm

1 stop12h 31m

$450

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Wed 9/17

6:25 am-8:17 pm

2 stops12h 52m

San Salvador El Salvador Intl

Tue 9/23

6:00 am-10:15 pm

2 stops17h 15m

$454

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 8/28

12:58 am-1:12 pm

1 stop11h 14m

San Salvador El Salvador Intl

Wed 9/3

12:35 pm-11:59 pm

1 stop12h 24m

$475

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 8/28

12:58 am-1:12 pm

1 stop11h 14m

San Salvador El Salvador Intl

Sat 9/13

12:35 pm-11:59 pm

1 stop12h 24m

$495

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to San Salvador

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to San Salvador?

If you aren’t able to travel to San Salvador during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $539.

What is the cheapest day to depart on your flight to San Salvador?

On average, the least expensive day to fly to San Salvador from Seattle is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $683. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to San Salvador on Saturday is $868.

What is the cheapest time of day to depart on your flight to San Salvador?

Our most recent data shows that the best time of day to fly to San Salvador is in the morning. Flights from Seattle to San Salvador during this time can be as low as $700. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $853 on average. Flights to San Salvador from Seattle in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to San Salvador?

You are more likely to see cheaper flights to San Salvador from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to San Salvador for around $641 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Salvador from Seattle for as low as $578 on momondo.

Can stopping save me money on Seattle to San Salvador flights?

You could potentially save up to 16% on your flight if you consider stops on a Seattle to San Salvador flight.

How have Seattle to San Salvador flight prices changed over time?

As of August 2025, prices for Seattle to San Salvador flights are approximately 37% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to San Salvador

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to San Salvador according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to San Salvador (SEA to SAL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to San Salvador

Best Price Found	$160
Fastest flight time	9h 25m
Direct flights	None
Airports in San Salvador	1 airport

The best one-way flight to San Salvador from Seattle in the past 72 hours is $160. The best round-trip flight deal from Seattle to San Salvador found on momondo in the last 72 hours is $387.

The fastest flight from Seattle to San Salvador takes 9h 25m

There are no direct flights from Seattle to San Salvador. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - San Salvador El Salvador Intl Airport.

There is 1 airport near San Salvador: San Salvador El Salvador Intl (SAL)

Search flight deals

How far is Seattle/Tacoma Intl to San Salvador El Salvador Intl by plane?
The straight-line distance from Seattle/Tacoma Intl to San Salvador El Salvador Intl is 3014.6 mi. 9h 25m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport?
Prices for flights from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport is 4 as of August 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport.
What documentation or ID do you need to fly to San Salvador El Salvador Intl Airport?
The travel and health documents you'll need for your trip to San Salvador El Salvador Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Salvador El Salvador Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to San Salvador?
Based on momondo bookings for flights between Seattle and San Salvador, the leading airline is United Airlines, making up 55% of the total bookings. Other popular airlines include American Airlines with 31%, Avianca with 9%, and Delta with 5%.

Best airlines flying from Seattle to San Salvador

Compare and see reviews for airlines that fly from Seattle to San Salvador with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $276	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Avianca	PriceFrom $355	Free Cancellation	Rating 6.7 2,388 reviews	Search Avianca flights
United Airlines	PriceFrom $498	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
American Airlines	PriceFrom $525	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Sonsonate

La Libertad

El Cuco

Acajutla

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to San Salvador?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to San Salvador. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to San Salvador with flexible booking policies on momondo?

Yes. All flights to San Salvador from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to San Salvador?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Salvador from Seattle.

I’m not ready to book a flight from Seattle to San Salvador right now. Can momondo alert me if prices change?

Price alerts on flights to San Salvador from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San Salvador trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Seattle to San Salvador from $160

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to San Salvador departing on 8/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Cheap round-trip flights

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American Airlines flights from Seattle to San Salvador

Our best American Airlines deals on Seattle to San Salvador flight tickets

Avianca flights from Seattle to San Salvador

Our best Avianca deals on Seattle to San Salvador flight tickets

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How to get the cheapest flight ticket from Seattle to San Salvador

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Salvador?

If you aren’t able to travel to San Salvador during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $539.

What is the cheapest day to depart on your flight to San Salvador?

What is the cheapest time of day to depart on your flight to San Salvador?

How far in advance should I book a flight to San Salvador?

Can stopping save me money on Seattle to San Salvador flights?

You could potentially save up to 16% on your flight if you consider stops on a Seattle to San Salvador flight.

How have Seattle to San Salvador flight prices changed over time?

As of August 2025, prices for Seattle to San Salvador flights are approximately 37% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Seattle/Tacoma Intl to San Salvador El Salvador Intl?

United Airlines and American Airlines are the most popular carriers operating from Seattle/Tacoma Intl to San Salvador El Salvador Intl

What airlines fly to San Salvador?

Which airport is the most popular layover for flights between Seattle and San Salvador?

Houston (IAH) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to San Salvador?

Flights via Washington, D.C. (IAD) offer the lowest average round-trip price of $513.

Which layover airport has the shortest travel time from Seattle to San Salvador?

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 10h 17m.

Which layover airport has the shortest connection time from Seattle to San Salvador?

Los Angeles (LAX) has the shortest average layover time for this route: 3h 28m.

When to book flights from Seattle to San Salvador

Cheap Seattle to San Salvador (SEA to SAL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to San Salvador

Best Price Found

Fastest flight time

Direct flights

Airports in San Salvador

How far is Seattle/Tacoma Intl to San Salvador El Salvador Intl by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport?

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport?

How old do you have to be to fly from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport?

What documentation or ID do you need to fly to San Salvador El Salvador Intl Airport?

What is the most popular airline from Seattle to San Salvador?

Best airlines flying from Seattle to San Salvador

Compare and see reviews for airlines that fly from Seattle to San Salvador with momondo

Traveling to a place near San Salvador?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to San Salvador?

Can I find flights from Seattle to San Salvador with flexible booking policies on momondo?

How can momondo help me find flights from Seattle to San Salvador?

I’m not ready to book a flight from Seattle to San Salvador right now. Can momondo alert me if prices change?

An easier way to manage your San Salvador trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to El Salvador

Fly your favorite airline to San Salvador

Airlines are sorted and displayed according to clicks in the past 7 days on momondo