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Cheap flights from Washington to Santander from $657

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Santander departing on 4/15. 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 Washington to Santander

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 9:30 am
SEA
-
SDR
18h 30m
2 stops
Multiple Airlines Logo
6:30 am - 7:28 pm
SDR
-
SEA
21h 58m
2 stops
$657Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
Iberia Logo
1:35 pm - 5:00 pm
SEA
-
SDR
18h 25m
2 stops
Iberia Logo
5:40 pm - 10:38 pm
SDR
-
SEA
37h 58m
2 stops
$667Iberia
Mon, Apr 13 - Mon, Apr 20
Iberia Logo
6:00 am - 5:00 pm
SEA
-
SDR
26h 00m
2 stops
Iberia Logo
6:30 am - 12:54 am
SDR
-
SEA
27h 24m
2 stops
$736Iberia
Mon, Aug 3 - Wed, Aug 19
Iberia Logo
7:10 pm - 9:30 am
SEA
-
SDR
29h 20m
2 stops
Iberia Logo
9:35 pm - 5:10 pm
SDR
-
SEA
28h 35m
2 stops
$1,005Iberia
Sun, Aug 9 - Sat, Aug 15
Iberia Logo
7:10 pm - 9:30 am
SEA
-
SDR
29h 20m
2 stops
Iberia Logo
9:35 pm - 5:10 pm
SDR
-
SEA
28h 35m
2 stops
$1,011Iberia
Sun, Aug 9 - Sat, Aug 15
Multiple Airlines Logo
7:10 pm - 10:05 am
SEA
-
SDR
29h 55m
1 stop
Multiple Airlines Logo
8:50 pm - 5:10 pm
SDR
-
SEA
29h 20m
2 stops
$1,187Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
7:10 pm - 8:50 am
SEA
-
SDR
28h 40m
2 stops
Multiple Airlines Logo
9:00 pm - 5:10 pm
SDR
-
SEA
29h 10m
1 stop
$1,204Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
8:00 am - 9:30 am
SEA
-
SDR
16h 30m
2 stops
Multiple Airlines Logo
10:05 am - 8:09 pm
SDR
-
SEA
19h 04m
2 stops
$1,518Multiple Airlines
Wed, Aug 5 - Mon, Aug 17
Multiple Airlines Logo
1:54 pm - 5:00 pm
SEA
-
SDR
18h 06m
2 stops
Multiple Airlines Logo
10:05 am - 7:54 pm
SDR
-
SEA
18h 49m
2 stops
$1,707Multiple Airlines
Fri, Apr 3 - Mon, Apr 13
Multiple Airlines Logo
7:00 am - 8:45 am
SEA
-
SDR
16h 45m
2 stops
Multiple Airlines Logo
9:20 am - 7:25 pm
SDR
-
SEA
19h 05m
2 stops
$1,732Multiple Airlines
Sat, Jun 27 - Sat, Jul 11

Iberia flights from State of Washington to Santander

Our best Iberia deals on State of Washington to Santander flight tickets
Iberia
Apr 13
SEA1:35 pmSeattle/Tacoma Intl
18h 25m
2 stops
SDR5:00 pmSantander
Apr 20
SDR5:40 pmSantander
37h 58m
2 stops
SEA10:38 pmSeattle/Tacoma Intl
$667
Iberia
Aug 9
SEA7:10 pmSeattle/Tacoma Intl
29h 20m
2 stops
SDR9:30 amSantander
Aug 15
SDR9:35 pmSantander
28h 35m
2 stops
SEA5:10 pmSeattle/Tacoma Intl
$1,005
Iberia
Aug 9
SEA7:10 pmSeattle/Tacoma Intl
29h 20m
2 stops
SDR9:30 amSantander
Aug 15
SDR9:35 pmSantander
28h 35m
2 stops
SEA5:10 pmSeattle/Tacoma Intl
$1,011

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Santander 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 March 2, 2026.
Use the filters below to find and compare flights from Washington to Santander that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Wed 4/15

6:00 am-9:30 am

2 stops18h 30m

Santander

Wed 4/22

6:30 am-7:28 pm

2 stops21h 58m

$657

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Mon 4/13

1:35 pm-5:00 pm

2 stops18h 25m

Santander

Mon 4/20

5:40 pm-10:38 pm

2 stops37h 58m

$667

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Mon 8/3

6:00 am-5:00 pm

2 stops26h 00m

Santander

Wed 8/19

6:30 am-12:54 am

2 stops27h 24m

$736

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Sun 8/9

7:10 pm-9:30 am

2 stops29h 20m

Santander

Sat 8/15

9:35 pm-5:10 pm

2 stops28h 35m

$1,005

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Sun 8/9

7:10 pm-9:30 am

2 stops29h 20m

Santander

Sat 8/15

9:35 pm-5:10 pm

2 stops28h 35m

$1,011

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Wed 4/15

7:10 pm-10:05 am

1 stop29h 55m

Santander

Wed 4/22

8:50 pm-5:10 pm

2 stops29h 20m

$1,187

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Mon 4/13

7:10 pm-8:50 am

2 stops28h 40m

Santander

Mon 4/20

9:00 pm-5:10 pm

1 stop29h 10m

$1,204

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Wed 8/5

8:00 am-9:30 am

2 stops16h 30m

Santander

Mon 8/17

10:05 am-8:09 pm

2 stops19h 04m

$1,518

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Fri 4/3

1:54 pm-5:00 pm

2 stops18h 06m

Santander

Mon 4/13

10:05 am-7:54 pm

2 stops18h 49m

$1,707

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Sat 6/27

7:00 am-8:45 am

2 stops16h 45m

Santander

Sat 7/11

9:20 am-7:25 pm

2 stops19h 05m

$1,732

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Santander from

How to get the cheapest flight ticket from State of Washington to Santander

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 airline that flies from Washington to Santander?

Iberia is the most popular carrier operating from Washington to Santander

What airlines fly to Santander?

Lufthansa, KLM and Delta are the top three most popular airlines that fly to Santander from State of Washington according to our data. Lufthansa is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Santander. Keep in mind that there are 4 different airlines that fly to Santander on a routine basis, so you have a few additional options to choose from.

Cheap State of Washington to Santander flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Santander

Fastest flight time

16h 29m

Direct flights

None
The fastest flight from State of Washington to Santander takes 16h 29m
There are no direct flights from State of Washington to Santander. There are no popular flight routes from State of Washington to Santander.
Search flight deals

  • When did momondo last update prices for flights from Washington to Santander Airport?

    Prices for flights from Washington to Santander Airport are updated daily.

  • How old do you have to be to fly from Washington to Santander 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 Washington to Santander Airport.

  • What documentation or ID do you need to fly to Santander Airport?

    The required travel and health documents for your Santander Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Santander Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Santander?

Book flights to Santander if you plan to visit one of these locations
Llanes
Potes

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Santander?

Finding the right flight to Santander from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Santander quick and easy, saving you time and money.

Can I find flights from Washington to Santander with flexible booking policies on momondo?

All flight searches from Washington to Santander on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington to Santander?

momondo helps you find the best flight between Washington and Santander by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Santander, momondo offers a useful price alert feature which will track prices for flights to Santander from Washington and alert you when they change.

An easier way to manage your Santander trip

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Fly your favorite airline to Santander

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Lufthansa
KLM
Delta
United Airlines