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Cheap flights from Seattle to San Salvador from $121

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 1/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to San Salvador

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
8:10 am - 9:55 pm
SEA
-
SAL
11h 45m1 stop
Avianca Logo
9:35 am - 8:57 pm
SAL
-
SEA
13h 22m1 stop
$321Avianca
Fri, Jan 23 - Mon, Jan 26
Avianca Logo
8:10 am - 7:55 am
SEA
-
SAL
21h 45m2 stops
Avianca Logo
9:35 am - 8:57 pm
SAL
-
SEA
13h 22m1 stop
$338Avianca
Wed, Jan 7 - Sat, Jan 17
Multiple Airlines Logo
12:34 pm - 10:05 am
SEA
-
SAL
19h 31m2 stops
Multiple Airlines Logo
5:30 am - 12:36 pm
SAL
-
SEA
33h 06m2 stops
$339Multiple Airlines
Fri, Feb 6 - Fri, Feb 13
Multiple Airlines Logo
9:27 am - 6:30 am
SEA
-
SAL
19h 03m1 stop
Multiple Airlines Logo
10:05 pm - 9:05 am
SAL
-
SEA
13h 00m1 stop
$341Multiple Airlines
Mon, Mar 2 - Sat, Mar 7
Multiple Airlines Logo
9:52 am - 8:50 pm
SEA
-
SAL
8h 58m1 stop
Multiple Airlines Logo
10:05 pm - 8:57 pm
SAL
-
SEA
24h 52m1 stop
$347Multiple Airlines
Thu, Jan 15 - Sun, Jan 25
Multiple Airlines Logo
8:10 am - 9:55 pm
SEA
-
SAL
11h 45m1 stop
Multiple Airlines Logo
5:35 pm - 10:26 am
SAL
-
SEA
18h 51m2 stops
$351Multiple Airlines
Thu, Jan 22 - Thu, Jan 29
Avianca Logo
8:10 am - 7:55 am
SEA
-
SAL
21h 45m2 stops
Avianca Logo
9:35 am - 8:57 pm
SAL
-
SEA
13h 22m1 stop
$362Avianca
Fri, Jan 9 - Sun, Jan 18
Avianca Logo
8:10 am - 9:55 pm
SEA
-
SAL
11h 45m1 stop
Avianca Logo
9:35 am - 8:57 pm
SAL
-
SEA
13h 22m1 stop
$365Avianca
Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
9:40 pm - 9:50 pm
SEA
-
SAL
23h 10m1 stop
Multiple Airlines Logo
10:05 pm - 10:02 pm
SAL
-
SEA
24h 57m1 stop
$366Multiple Airlines
Fri, Apr 3 - Sun, Apr 12
Multiple Airlines Logo
8:30 am - 9:55 pm
SEA
-
SAL
11h 25m1 stop
Multiple Airlines Logo
8:00 am - 9:52 pm
SAL
-
SEA
15h 52m1 stop
$367Multiple Airlines
Sat, Feb 7 - Sat, Feb 14

Avianca flights from Seattle to San Salvador

Our best Avianca deals on Seattle to San Salvador flight tickets
Avianca
Jan 23
SEA8:10 amSeattle/Tacoma Intl
11h 45m
1 stop
SAL9:55 pmSan Salvador El Salvador Intl
Jan 26
SAL9:35 amSan Salvador El Salvador Intl
13h 22m
1 stop
SEA8:57 pmSeattle/Tacoma Intl
$321
Find similar
Avianca
Jan 7
SEA8:10 amSeattle/Tacoma Intl
21h 45m
2 stops
SAL7:55 amSan Salvador El Salvador Intl
Jan 17
SAL9:35 amSan Salvador El Salvador Intl
13h 22m
1 stop
SEA8:57 pmSeattle/Tacoma Intl
$338
Find similar
Avianca
Jan 9
SEA8:10 amSeattle/Tacoma Intl
21h 45m
2 stops
SAL7:55 amSan Salvador El Salvador Intl
Jan 18
SAL9:35 amSan Salvador El Salvador Intl
13h 22m
1 stop
SEA8:57 pmSeattle/Tacoma Intl
$362
Find similar

United Airlines flights from Seattle to San Salvador

Our best United Airlines deals on Seattle to San Salvador flight tickets
United Airlines
Dec 29
SEA6:45 amSeattle/Tacoma Intl
12h 34m
1 stop
SAL9:19 pmSan Salvador El Salvador Intl
Jan 14
SAL4:40 pmSan Salvador El Salvador Intl
25h 49m
2 stops
SEA4:29 pmSeattle/Tacoma Intl
$790
Find similar
United Airlines
Dec 27
SEA5:00 amSeattle/Tacoma Intl
17h 36m
1 stop
SAL12:36 amSan Salvador El Salvador Intl
Jan 8
SAL3:00 amSan Salvador El Salvador Intl
15h 29m
1 stop
SEA4:29 pmSeattle/Tacoma Intl
$858
Find similar
United Airlines
Dec 27
SEA5:02 amSeattle/Tacoma Intl
17h 34m
2 stops
SAL12:36 amSan Salvador El Salvador Intl
Jan 8
SAL3:00 amSan Salvador El Salvador Intl
23h 59m
2 stops
SEA12:59 amSeattle/Tacoma Intl
$862
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 26, 2025.
Use the filters below to find and compare flights from Seattle to San Salvador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Fri 1/23

8:10 am-9:55 pm

1 stop11h 45m

San Salvador El Salvador Intl

Mon 1/26

9:35 am-8:57 pm

1 stop13h 22m

$321

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Wed 1/7

8:10 am-7:55 am

2 stops21h 45m

San Salvador El Salvador Intl

Sat 1/17

9:35 am-8:57 pm

1 stop13h 22m

$338

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Fri 2/6

12:34 pm-10:05 am

2 stops19h 31m

San Salvador El Salvador Intl

Fri 2/13

5:30 am-12:36 pm

2 stops33h 06m

$339

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Mon 3/2

9:27 am-6:30 am

1 stop19h 03m

San Salvador El Salvador Intl

Sat 3/7

10:05 pm-9:05 am

1 stop13h 00m

$341

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 1/15

9:52 am-8:50 pm

1 stop8h 58m

San Salvador El Salvador Intl

Sun 1/25

10:05 pm-8:57 pm

1 stop24h 52m

$347

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 1/22

8:10 am-9:55 pm

1 stop11h 45m

San Salvador El Salvador Intl

Thu 1/29

5:35 pm-10:26 am

2 stops18h 51m

$351

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Fri 1/9

8:10 am-7:55 am

2 stops21h 45m

San Salvador El Salvador Intl

Sun 1/18

9:35 am-8:57 pm

1 stop13h 22m

$362

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sat 1/17

8:10 am-9:55 pm

1 stop11h 45m

San Salvador El Salvador Intl

Sat 1/24

9:35 am-8:57 pm

1 stop13h 22m

$365

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Fri 4/3

9:40 pm-9:50 pm

1 stop23h 10m

San Salvador El Salvador Intl

Sun 4/12

10:05 pm-10:02 pm

1 stop24h 57m

$366

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sat 2/7

8:30 am-9:55 pm

1 stop11h 25m

San Salvador El Salvador Intl

Sat 2/14

8:00 am-9:52 pm

1 stop15h 52m

$367

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Salvador from

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 January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $548.

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 $636 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 $479 on momondo.

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

You could potentially save up to 34% 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 December 2025, prices for Seattle to San Salvador flights are approximately 26% more expensive 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

Fastest flight time

9h 09m

Direct flights

None
The fastest flight from Seattle to San Salvador takes 9h 09m
There are no direct flights from Seattle to San Salvador. There are no popular flight routes from Seattle to San Salvador.
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 09m 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?

  • 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?

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
AviancaPriceFrom $320Free CancellationRating
6.6
2,489 reviews
Search Avianca flights
American AirlinesPriceFrom $439Free CancellationRating
7.2
11,064 reviews
Search American Airlines flights
United AirlinesPriceFrom $470Free CancellationRating
7.4
9,115 reviews
Search United Airlines flights

Traveling to a place near San Salvador?

Book flights to San Salvador if you plan to visit one of these locations
Sonsonate
Acajutla
La Libertad
El Cuco

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

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Fly your favorite airline to San Salvador

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