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Cheap flights from Seattle to San Salvador from $153

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 12/3. 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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0 bags

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Find the cheapest flights from Seattle to San Salvador

Cheap round-trip flights

Multiple Airlines Logo
3:35 pm - 5:55 amSEA-SAL
12h 20m1 stop
Multiple Airlines Logo
8:05 am - 8:54 pmSAL-SEA
14h 49m1 stop
$306Multiple Airlines
Find Deal
Sun, Feb 22 - Sun, Mar 1
Multiple Airlines Logo
8:00 am - 7:50 pmSEA-SAL
9h 50m1 stop
Multiple Airlines Logo
9:10 am - 6:51 pmSAL-SEA
11h 41m1 stop
$316Multiple Airlines
Find Deal
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
9:45 am - 5:55 amSEA-SAL
18h 10m1 stop
Multiple Airlines Logo
5:30 am - 9:01 pmSAL-SEA
17h 31m2 stops
$320Multiple Airlines
Find Deal
Sun, Feb 22 - Sun, Mar 1
Multiple Airlines Logo
8:00 am - 9:05 pmSEA-SAL
11h 05m2 stops
Multiple Airlines Logo
5:30 am - 12:11 amSAL-SEA
20h 41m2 stops
$351Multiple Airlines
Find Deal
Sun, Feb 22 - Sun, Mar 1
Multiple Airlines Logo
8:01 am - 5:55 amSEA-SAL
19h 54m1 stop
Multiple Airlines Logo
10:40 pm - 10:25 amSAL-SEA
13h 45m1 stop
$354Multiple Airlines
Find Deal
Mon, Nov 3 - Mon, Nov 10
Multiple Airlines Logo
11:34 pm - 8:05 pmSEA-SAL
19h 31m1 stop
Multiple Airlines Logo
10:40 pm - 10:25 amSAL-SEA
13h 45m1 stop
$357Multiple Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
Multiple Airlines Logo
1:55 pm - 5:55 amSEA-SAL
14h 00m1 stop
Multiple Airlines Logo
5:30 am - 6:51 pmSAL-SEA
15h 21m2 stops
$358Multiple Airlines
Find Deal
Mon, Feb 23 - Fri, Feb 27
Multiple Airlines Logo
11:34 pm - 7:05 pmSEA-SAL
17h 31m1 stop
Multiple Airlines Logo
7:00 am - 1:37 pmSAL-SEA
32h 37m2 stops
$359Multiple Airlines
Find Deal
Sun, Nov 9 - Sat, Nov 15
Avianca Logo
6:30 am - 9:05 pmSEA-SAL
12h 35m2 stops
Avianca Logo
8:00 am - 10:18 pmSAL-SEA
15h 18m1 stop
$412Avianca
Find Deal
Fri, Mar 6 - Thu, Mar 19
Avianca Logo
6:35 am - 7:50 pmSEA-SAL
12h 15m1 stop
Avianca Logo
8:00 am - 9:53 pmSAL-SEA
14h 53m1 stop
$472Avianca
Find Deal
Wed, Oct 1 - Wed, Oct 8

Avianca flights from Seattle to San Salvador

Our best Avianca deals on Seattle to San Salvador flight tickets
Avianca
Mar 6
SEA6:30 amSeattle/Tacoma Intl
12h 35m
2 stops
SAL9:05 pmSan Salvador El Salvador Intl
Mar 19
SAL8:00 amSan Salvador El Salvador Intl
15h 18m
1 stop
SEA10:18 pmSeattle/Tacoma Intl
$412
Find similar
Avianca
Sep 17
SEA6:25 amSeattle/Tacoma Intl
12h 25m
1 stop
SAL7:50 pmSan Salvador El Salvador Intl
Sep 23
SAL8:00 amSan Salvador El Salvador Intl
15h 15m
1 stop
SEA10:15 pmSeattle/Tacoma Intl
$465
Find similar
Avianca
Sep 17
SEA6:25 amSeattle/Tacoma Intl
12h 25m
1 stop
SAL7:50 pmSan Salvador El Salvador Intl
Sep 23
SAL8:00 amSan Salvador El Salvador Intl
15h 15m
1 stop
SEA10:15 pmSeattle/Tacoma Intl
$472
Find similar

United Airlines flights from Seattle to San Salvador

Our best United Airlines deals on Seattle to San Salvador flight tickets
United Airlines
Sep 17
SEA11:58 pmSeattle/Tacoma Intl
19h 19m
1 stop
SAL8:17 pmSan Salvador El Salvador Intl
Sep 22
SAL2:00 amSan Salvador El Salvador Intl
12h 30m
1 stop
SEA1:30 pmSeattle/Tacoma Intl
$600
Find similar
United Airlines
Sep 18
SEA7:10 amSeattle/Tacoma Intl
12h 07m
1 stop
SAL8:17 pmSan Salvador El Salvador Intl
Sep 22
SAL2:00 amSan Salvador El Salvador Intl
16h 54m
2 stops
SEA5:54 pmSeattle/Tacoma Intl
$604
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 September 16, 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

Sun 2/22

3:35 pm-5:55 am

1 stop12h 20m

San Salvador El Salvador Intl

Sun 3/1

8:05 am-8:54 pm

1 stop14h 49m

$306

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Fri 1/16

8:00 am-7:50 pm

1 stop9h 50m

San Salvador El Salvador Intl

Fri 1/23

9:10 am-6:51 pm

1 stop11h 41m

$316

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sun 2/22

9:45 am-5:55 am

1 stop18h 10m

San Salvador El Salvador Intl

Sun 3/1

5:30 am-9:01 pm

2 stops17h 31m

$320

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sun 2/22

8:00 am-9:05 pm

2 stops11h 05m

San Salvador El Salvador Intl

Sun 3/1

5:30 am-12:11 am

2 stops20h 41m

$351

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Mon 11/3

8:01 am-5:55 am

1 stop19h 54m

San Salvador El Salvador Intl

Mon 11/10

10:40 pm-10:25 am

1 stop13h 45m

$354

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Tue 10/28

11:34 pm-8:05 pm

1 stop19h 31m

San Salvador El Salvador Intl

Tue 11/4

10:40 pm-10:25 am

1 stop13h 45m

$357

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Mon 2/23

1:55 pm-5:55 am

1 stop14h 00m

San Salvador El Salvador Intl

Fri 2/27

5:30 am-6:51 pm

2 stops15h 21m

$358

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sun 11/9

11:34 pm-7:05 pm

1 stop17h 31m

San Salvador El Salvador Intl

Sat 11/15

7:00 am-1:37 pm

2 stops32h 37m

$359

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Fri 3/6

6:30 am-9:05 pm

2 stops12h 35m

San Salvador El Salvador Intl

Thu 3/19

8:00 am-10:18 pm

1 stop15h 18m

$412

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Wed 10/1

6:35 am-7:50 pm

1 stop12h 15m

San Salvador El Salvador Intl

Wed 10/8

8:00 am-9:53 pm

1 stop14h 53m

$472

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 February, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $559.

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 $650 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 14% 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 September 2025, prices for Seattle to San Salvador flights are approximately 15% 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

Direct flights

None
There are no direct flights from Seattle to San Salvador. There are no popular flight routes from Seattle to San Salvador.
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  • 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 50m 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
DeltaPriceFrom $379Free CancellationRating
7.9
7,957 reviews
Search Delta flights
AviancaPriceFrom $393Free CancellationRating
6.7
2,435 reviews
Search Avianca flights
American AirlinesPriceFrom $439Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $470Free CancellationRating
7.4
8,924 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
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

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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
Delta
American Airlines
United Airlines
Turkish Airlines
Lufthansa
Frontier
British Airways
Qatar Airways
Spirit Airlines
Ryanair
Emirates
Alaska Airlines