How do I get Price Alerts for flights from Missouri to San Sebastian?

Search flight deals from Missouri to San Sebastian . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Missouri to San Sebastian with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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.

$959 Cheap Flights from Missouri to San Sebastian in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Missouri to San Sebastian

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:33 am - 1:00 pm

STL

EAS

20h 27m2 stops

1:40 pm - 9:03 am

EAS

STL

26h 23m2 stops

$959Iberia

Wed, Feb 4 - Sun, Feb 8

9:34 am - 8:50 pm

STL

EAS

28h 16m2 stops

9:30 pm - 10:59 pm

EAS

STL

32h 29m2 stops

$970Iberia

Fri, Jan 30 - Tue, Feb 3

Iberia flights from Missouri to San Sebastian

Our best Iberia deals on Missouri to San Sebastian flight tickets

Iberia

Feb 4

STL9:33 amLambert-St Louis

20h 27m

2 stops

EAS1:00 pmSan Sebastián

Feb 8

EAS1:40 pmSan Sebastián

26h 23m

2 stops

STL9:03 amLambert-St Louis

$959

Find similar

Iberia

Jan 30

STL9:34 amLambert-St Louis

28h 16m

2 stops

EAS8:50 pmSan Sebastián

Feb 3

EAS9:30 pmSan Sebastián

32h 29m

2 stops

STL10:59 pmLambert-St Louis

$970

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Wed 2/4

9:33 am-1:00 pm

2 stops20h 27m

San Sebastián

Sun 2/8

1:40 pm-9:03 am

2 stops26h 23m

$959

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Fri 1/30

9:34 am-8:50 pm

2 stops28h 16m

San Sebastián

Tue 2/3

9:30 pm-10:59 pm

2 stops32h 29m

$970

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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	28h 16m
Direct flights	None

The fastest flight from Missouri to San Sebastian takes 28h 16m

There are no direct flights from Missouri to San Sebastian. There are no popular flight routes from Missouri to San Sebastian.

Search flight deals

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.

How do I get Price Alerts for flights from Missouri to San Sebastian?
Search flight deals from Missouri to San Sebastian. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Missouri to San Sebastian with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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.