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Cheap flights from Seattle to San Salvador from $278

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 7/28. 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.
Multiple Airlines Logo
7:24 pm - 6:30 am
SEA
-
SAL
10h 06m
1 stop
Multiple Airlines Logo
7:45 am - 6:01 pm
SAL
-
SEA
11h 16m
1 stop
$537Multiple Airlines
Sun, Sep 13 - Sun, Sep 27
Multiple Airlines Logo
7:24 pm - 6:30 am
SEA
-
SAL
10h 06m
1 stop
Multiple Airlines Logo
7:45 am - 6:01 pm
SAL
-
SEA
11h 16m
1 stop
$571Multiple Airlines
Fri, Sep 11 - Sun, Sep 20
Multiple Airlines Logo
7:24 pm - 6:30 am
SEA
-
SAL
10h 06m
1 stop
Multiple Airlines Logo
11:20 pm - 5:57 pm
SAL
-
SEA
20h 37m
2 stops
$573Multiple Airlines
Fri, Sep 11 - Mon, Nov 30
Multiple Airlines Logo
7:42 pm - 6:30 am
SEA
-
SAL
9h 48m
1 stop
Multiple Airlines Logo
7:45 am - 7:47 pm
SAL
-
SEA
13h 02m
1 stop
$581Multiple Airlines
Mon, Aug 3 - Tue, Aug 11
Multiple Airlines Logo
8:28 pm - 9:05 am
SEA
-
SAL
11h 37m
1 stop
Multiple Airlines Logo
8:05 am - 10:18 pm
SAL
-
SEA
15h 13m
1 stop
$582Multiple Airlines
Sat, Oct 24 - Tue, Oct 27
Multiple Airlines Logo
9:42 pm - 4:10 pm
SEA
-
SAL
17h 28m
2 stops
Multiple Airlines Logo
11:20 pm - 11:22 am
SAL
-
SEA
13h 02m
2 stops
$583Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
Multiple Airlines Logo
6:53 am - 6:10 am
SEA
-
SAL
22h 17m
2 stops
Multiple Airlines Logo
7:45 am - 6:01 pm
SAL
-
SEA
11h 16m
1 stop
$584Multiple Airlines
Sun, Sep 13 - Sun, Sep 27
Multiple Airlines Logo
7:20 pm - 6:30 am
SEA
-
SAL
9h 10m
1 stop
Multiple Airlines Logo
8:00 am - 4:57 pm
SAL
-
SEA
10h 57m
1 stop
$591Multiple Airlines
Sun, Nov 1 - Tue, Nov 10
Multiple Airlines Logo
8:15 pm - 9:05 am
SEA
-
SAL
11h 50m
1 stop
Multiple Airlines Logo
6:40 pm - 8:11 am
SAL
-
SEA
14h 31m
1 stop
$597Multiple Airlines
Sat, Aug 1 - Sat, Aug 29
Multiple Airlines Logo
8:53 am - 8:50 pm
SEA
-
SAL
10h 57m
1 stop
Multiple Airlines Logo
5:30 pm - 8:11 am
SAL
-
SEA
15h 41m
1 stop
$602Multiple Airlines
Sun, Aug 16 - Sun, Aug 23

United Airlines flights from Seattle to San Salvador

Our best United Airlines deals on Seattle to San Salvador flight tickets
United Airlines
Sep 7
SEA11:59 pmSeattle/Tacoma Intl
13h 31m
1 stop
SAL2:30 pmSan Salvador El Salvador Intl
Sep 22
SAL6:00 amSan Salvador El Salvador Intl
9h 52m
1 stop
SEA2:52 pmSeattle/Tacoma Intl
$701
United Airlines
Sep 21
SEA8:40 amSeattle/Tacoma Intl
19h 10m
2 stops
SAL4:50 amSan Salvador El Salvador Intl
Sep 23
SAL6:00 amSan Salvador El Salvador Intl
18h 26m
2 stops
SEA11:26 pmSeattle/Tacoma Intl
$705
United Airlines
Sep 8
SEA4:45 pmSeattle/Tacoma Intl
18h 30m
2 stops
SAL12:15 pmSan Salvador El Salvador Intl
Sep 19
SAL3:40 pmSan Salvador El Salvador Intl
19h 21m
2 stops
SEA10:01 amSeattle/Tacoma Intl
$715

Copa Airlines flights from Seattle to San Salvador

Our best Copa Airlines deals on Seattle to San Salvador flight tickets
Copa Airlines
Oct 24
SEA8:40 pmSeattle/Tacoma Intl
22h 49m
2 stops
SAL8:29 pmSan Salvador El Salvador Intl
Oct 27
SAL1:43 pmSan Salvador El Salvador Intl
33h 13m
2 stops
SEA9:56 pmSeattle/Tacoma Intl
$683
Copa Airlines
Sep 23
SEA7:35 pmSeattle/Tacoma Intl
23h 56m
2 stops
SAL8:31 pmSan Salvador El Salvador Intl
Oct 7
SAL1:59 pmSan Salvador El Salvador Intl
36h 06m
2 stops
SEA1:05 amSeattle/Tacoma Intl
$703
Copa Airlines
Jun 4
SEA6:06 amSeattle/Tacoma Intl
29h 36m
2 stops
SAL12:42 pmSan Salvador El Salvador Intl
Jun 7
SAL4:53 amSan Salvador El Salvador Intl
21h 36m
2 stops
SEA1:29 amSeattle/Tacoma Intl
$923

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 June 1, 2026.
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

Cheapest round-trip

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sun 9/13

7:24 pm-6:30 am

1 stop10h 06m

San Salvador El Salvador Intl

Sun 9/27

7:45 am-6:01 pm

1 stop11h 16m

$537

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Fri 9/11

7:24 pm-6:30 am

1 stop10h 06m

San Salvador El Salvador Intl

Sun 9/20

7:45 am-6:01 pm

1 stop11h 16m

$571

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Fri 9/11

7:24 pm-6:30 am

1 stop10h 06m

San Salvador El Salvador Intl

Mon 11/30

11:20 pm-5:57 pm

2 stops20h 37m

$573

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Mon 8/3

7:42 pm-6:30 am

1 stop9h 48m

San Salvador El Salvador Intl

Tue 8/11

7:45 am-7:47 pm

1 stop13h 02m

$581

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sat 10/24

8:28 pm-9:05 am

1 stop11h 37m

San Salvador El Salvador Intl

Tue 10/27

8:05 am-10:18 pm

1 stop15h 13m

$582

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sun 8/16

9:42 pm-4:10 pm

2 stops17h 28m

San Salvador El Salvador Intl

Sun 8/23

11:20 pm-11:22 am

2 stops13h 02m

$583

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sun 9/13

6:53 am-6:10 am

2 stops22h 17m

San Salvador El Salvador Intl

Sun 9/27

7:45 am-6:01 pm

1 stop11h 16m

$584
Quickest round-trip

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sun 11/1

7:20 pm-6:30 am

1 stop9h 10m

San Salvador El Salvador Intl

Tue 11/10

8:00 am-4:57 pm

1 stop10h 57m

$591

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sat 8/1

8:15 pm-9:05 am

1 stop11h 50m

San Salvador El Salvador Intl

Sat 8/29

6:40 pm-8:11 am

1 stop14h 31m

$597

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sun 8/16

8:53 am-8:50 pm

1 stop10h 57m

San Salvador El Salvador Intl

Sun 8/23

5:30 pm-8:11 am

1 stop15h 41m

$602

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 typical price of a round-trip flight between Seattle and San Salvador?

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 $532.

How far in advance should I book a flight from Seattle 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 $685 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 $543 on momondo.

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

You could potentially save up to 25% 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 June 2026, prices for Seattle to San Salvador flights are approximately 20% 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 10m

Direct flights

None
The fastest flight from Seattle to San Salvador takes 9h 10m
There are no direct flights from Seattle to San Salvador. There are no popular flight routes from Seattle to San Salvador.
Search flight deals

Frequently asked questions about flying from Seattle to San Salvador

  • 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 10m 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
6.5
2,527 reviews
Search Avianca flights
United AirlinesPriceFrom $469Free CancellationRating
7.4
9,768 reviews
Search United Airlines flights
American AirlinesPriceFrom $479Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights

Traveling to a place near San Salvador?

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

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
American Airlines
United Airlines
Avianca