STL - EAS

$651 Find Cheap Flights from St. Louis to San Sebastian

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to San Sebastian departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to San Sebastian

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to San Sebastian, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to San Sebastian, as well as popular online travel agencies
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Flight Deals

Cheap Flights from St. Louis to San Sebastian (STL-EAS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to San Sebastian that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to San Sebastian

Wed, Oct 29 - Wed, Nov 5
Iberia Logo
9:43 am - 8:40 amSTL-EAS
40h 57m2 stops
Iberia Logo
9:30 pm - 8:55 pmEAS-STL
30h 25m2 stops
$651Iberia
Find Deal
Sat, Feb 7 - Sun, Feb 15
Iberia Logo
11:58 am - 8:40 amSTL-EAS
37h 42m2 stops
Iberia Logo
9:30 pm - 8:44 amEAS-STL
42h 14m2 stops
$744Iberia
Find Deal
Fri, Nov 7 - Tue, Nov 11
American Airlines Logo
8:39 am - 8:50 pmSTL-EAS
29h 11m2 stops
American Airlines Logo
9:20 am - 10:27 pmEAS-STL
20h 07m2 stops
$881American Airlines
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Sat, Feb 7 - Sun, Feb 15
American Airlines Logo
5:23 am - 8:40 amSTL-EAS
20h 17m2 stops
American Airlines Logo
9:20 am - 5:56 pmEAS-STL
15h 36m2 stops
$944American Airlines
Find Deal

Everything you should know

Cheapest round-trip
$651
Iberia
Wed 10/29Wed 11/5
STL - EAS • 2 stops
Cheapest one-way
Multiple Airlines
Tue 9/16
STL - EAS • multi-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Sebastian!
Booking Insights

KAYAK's insights & trends for St. Louis to San Sebastian flights

Get data-powered insights and trends into flights from St. Louis to San Sebastian to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from St. Louis to San Sebastian?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from St. Louis to San Sebastian were found on Iberia ($651) and American Airlines ($881).

Find deals

Good to know

Cheapest flight$651
Flight from St. Louis to San Sebastian

When to book flights from St. Louis to San Sebastian

Are your dates flexible? Find out the best times to travel from St. Louis to San Sebastian based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to San Sebastian

  • What is the cheapest flight from St. Louis to San Sebastian?

    In the last 3 days, the lowest price for a flight from St. Louis to San Sebastian was $651 for a round-trip ticket.

  • Do I need a passport to fly between St. Louis and San Sebastian?

    Yes

  • Which aircraft models fly most regularly from St. Louis to San Sebastian?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to San Sebastian?

    oneworld is the only airline alliance operating flights between St. Louis and San Sebastian.

  • How does KAYAK find such low prices on flights from St. Louis to San Sebastian?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to San Sebastian.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to San Sebastian?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Sebastian from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to San Sebastian?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Sebastian with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and EAS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to San Sebastian?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Sebastian from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from St. Louis to San Sebastian

Information on your arrival and departure airports

St. Louis (STL)
San Sebastian (EAS)

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