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Cheap flights from Missouri to San Sebastian from $1,075

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to San Sebastian departing on 10/11. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Missouri to San Sebastian

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:47 am - 8:50 pm
STL
-
EAS
28h 03m
2 stops
British Airways Logo
9:30 pm - 9:27 am
EAS
-
STL
42h 57m
2 stops
$1,075British Airways
Sun, Oct 11 - Thu, Oct 15
Iberia Logo
1:00 pm - 8:50 pm
STL
-
EAS
24h 50m
2 stops
Iberia Logo
1:40 pm - 9:04 am
EAS
-
STL
26h 24m
2 stops
$1,093Iberia
Sun, Oct 11 - Thu, Oct 15
Iberia Logo
10:14 am - 8:40 am
STL
-
EAS
39h 26m
2 stops
Iberia Logo
1:40 pm - 9:04 am
EAS
-
STL
26h 24m
2 stops
$1,102Iberia
Sun, Oct 11 - Thu, Oct 15
British Airways Logo
12:52 pm - 8:50 pm
STL
-
EAS
48h 58m
2 stops
British Airways Logo
9:30 pm - 9:27 am
EAS
-
STL
42h 57m
2 stops
$1,366British Airways
Sun, Oct 11 - Thu, Oct 15

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British Airways flights from Missouri to San Sebastian

Our best British Airways deals on Missouri to San Sebastian flight tickets
British Airways
Oct 11
STL9:47 amLambert-St Louis
28h 03m
2 stops
EAS8:50 pmSan Sebastián
Oct 15
EAS9:30 pmSan Sebastián
42h 57m
2 stops
STL9:27 amLambert-St Louis
$1,075
British Airways
Oct 11
STL12:52 pmLambert-St Louis
48h 58m
2 stops
EAS8:50 pmSan Sebastián
Oct 15
EAS9:30 pmSan Sebastián
42h 57m
2 stops
STL9:27 amLambert-St Louis
$1,366

Iberia flights from Missouri to San Sebastian

Our best Iberia deals on Missouri to San Sebastian flight tickets
Iberia
Oct 11
STL1:00 pmLambert-St Louis
24h 50m
2 stops
EAS8:50 pmSan Sebastián
Oct 15
EAS1:40 pmSan Sebastián
26h 24m
2 stops
STL9:04 amLambert-St Louis
$1,093
Iberia
Oct 11
STL10:14 amLambert-St Louis
39h 26m
2 stops
EAS8:40 amSan Sebastián
Oct 15
EAS1:40 pmSan Sebastián
26h 24m
2 stops
STL9:04 amLambert-St Louis
$1,102

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to San Sebastian 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 28, 2026.
Use the filters below to find and compare flights from Missouri to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Sun 10/11

9:47 am-8:50 pm

2 stops28h 03m

San Sebastián

Thu 10/15

9:30 pm-9:27 am

2 stops42h 57m

$1,075
Quickest round-trip

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Sun 10/11

1:00 pm-8:50 pm

2 stops24h 50m

San Sebastián

Thu 10/15

1:40 pm-9:04 am

2 stops26h 24m

$1,093

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Sun 10/11

10:14 am-8:40 am

2 stops39h 26m

San Sebastián

Thu 10/15

1:40 pm-9:04 am

2 stops26h 24m

$1,102

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Sun 10/11

12:52 pm-8:50 pm

2 stops48h 58m

San Sebastián

Thu 10/15

9:30 pm-9:27 am

2 stops42h 57m

$1,366
Cheapest one-way

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Sun 7/5

7:55 pm-1:00 pm

2 stops34h 05m

$1,182

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Sun 7/5

5:58 pm-8:40 am

2 stops31h 42m

$1,315

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Sun 7/5

5:58 pm-8:40 am

2 stops31h 42m

$1,325
Quickest one-way

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Sun 7/5

7:55 pm-8:40 am

2 stops29h 45m

$1,326

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Sun 7/5

5:58 pm-8:40 am

2 stops31h 42m

$1,365

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Sun 7/5

9:40 am-1:00 pm

3 stops44h 20m

$10,303

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Sebastian from

How to get the cheapest flight ticket from Missouri to San Sebastian

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 Missouri to San Sebastián?

British Airways, Finnair, and Iberia are the most popular carriers operating from Missouri to San Sebastián

Cheap Missouri to San Sebastian flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to San Sebastian

Fastest flight time

48h 58m

Direct flights

None
The fastest flight from Missouri to San Sebastian takes 48h 58m
There are no direct flights from Missouri to San Sebastian. There are no popular flight routes from Missouri to San Sebastian.
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Frequently asked questions about flying from Missouri to San Sebastian

  • When did momondo last update prices for flights from Missouri to San Sebastián Airport?

    Prices for flights from Missouri to San Sebastián Airport were last updated today.

  • How old do you have to be to fly from Missouri to San Sebastián Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to San Sebastián Airport.

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

    The required travel and health documents for your San Sebastián 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 San Sebastián Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near San Sebastian?

Book flights to San Sebastian if you plan to visit one of these locations
Irun
Hondarribia

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to San Sebastian?

Finding the right flight to San Sebastian from Missouri 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 San Sebastian quick and easy, saving you time and money.

Can I find flights from Missouri to San Sebastian with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Sebastian from Missouri which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Missouri to San Sebastian?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Missouri to San Sebastian.

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

Yes momondo offers price alerts on flights to San Sebastian from Missouri. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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