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San Sebastian

$731+ Cheap flights from Missouri to San Sebastian (EAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EAS
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap flight deals from Missouri to San Sebastian

Keep the following information in mind while searching for Missouri to San Sebastian flight deals. Data was last updated August 21, 2025.

Round-trip from

$741
(Iberia)
From Missouri to San Sebastián
Search Deals

Find flight deals from Missouri to San Sebastian

Cheapest flights from Missouri to San Sebastian
Explore the most affordable flight options available from Missouri to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:35 amSTL - EAS
2 stops21h 25mAmerican Airlines
Fri 11/79:20 amEAS - STL
2 stops21h 36mAmerican Airlines
Deal found 8/18$731
This Iberia deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:47 amSTL - EAS
2 stops28h 03mIberia
Tue 11/111:40 pmEAS - STL
2 stops38h 15mIberia
Deal found 8/19$780
This American Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:21 pmSTL - EAS
2 stops21h 29mAmerican Airlines
Tue 11/119:20 amEAS - STL
2 stops20h 12mAmerican Airlines
Deal found 8/20$931
This KAYAK deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:00 amSTL - EAS
2 stops23h 00mIberia
Sun 11/169:20 amEAS - STL
2 stops18h 35mIberia
Deal found 8/20$5,943

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Missouri to San Sebastian that are best for you.

Fly from

Missouri

Fly to

San Sebastian

Route

Depart

Return

Price

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Fri 10/31

9:35 am-1:00 pm

2 stops21h 25m

San Sebastián

Fri 11/7

9:20 am-11:56 pm

2 stops21h 36m

$731

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Fri 11/7

9:47 am-8:50 pm

2 stops28h 03m

San Sebastián

Tue 11/11

1:40 pm-8:55 pm

2 stops38h 15m

$780

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Fri 11/7

8:40 am-1:00 pm

2 stops21h 20m

San Sebastián

Tue 11/11

9:20 am-10:32 pm

2 stops20h 12m

$931

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Sun 11/9

7:00 am-1:00 pm

2 stops23h 00m

San Sebastián

Sun 11/16

9:20 am-8:55 pm

2 stops18h 35m

$5,943

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from Missouri to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to San Sebastian

What is the cheapest time of day to fly from MO to EAS?

Find hourly flight availability from Missouri to San Sebastian. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

When flying from Missouri to San Sebastian, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Missouri to San Sebastian. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Sebastian from Missouri?

    If you book a flight to San Sebastian from Missouri, you will be flying to San Sebastián, which is the city’s only airport. San Sebastián (EAS) is located 9.7 mi from the center of San Sebastian.

  • How long is the flight from Missouri to San Sebastian?

    A quick flight from Missouri to San Sebastian can take about 21h 25m. American Airlines provides one of the quickest options available for as low as $731. The distance from Missouri to San Sebastian is about 4395 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Missouri to San Sebastian that include hotel bookings?

    Yes. In addition to deals on Missouri to San Sebastian flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to San Sebastian?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to San Sebastian.

  • Can I find deals for business class flights from Missouri to San Sebastian?

    Yes. Cheapflights offers flight deals from Missouri to San Sebastian by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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