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

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How to find the cheapest flight from
St. Louis (STL) to San Sebastian (EAS)

All the information you need to plan the best STL to EAS flight in 2022: compare St. Louis to San Sebastian flight prices with the expected peak season, weather and rainfall in San Sebastian.
When is the cheapest time to fly from St. Louis to San Sebastian (STL - EAS)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to San Sebastian as you normally would.

Cheap flights from St. Louis to San Sebastian in July, August 2022

The best prices found for STL to EAS flights for July, August
24 Jul - 6 Aug
$1,926pp
STL
Lambert-St Louis
Iberia
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
Iberia
   
2 STOPS
STL
Lambert-St Louis
24 Jul - 6 Aug
$3,433pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
American Airlines
     
3 STOPS
STL
Lambert-St Louis
20 Jul - 24 Jul
$3,437pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
American Airlines
   
2 STOPS
STL
Lambert-St Louis

Lambert-St Louis to San Sebastian 2022 flight deals

Cheap flights to San Sebastian from St. Louis found for this year
24 Jul - 6 Aug
$1,926pp
STL
Lambert-St Louis
Iberia
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
Iberia
   
2 STOPS
STL
Lambert-St Louis
24 Jul - 6 Aug
$3,433pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
American Airlines
     
3 STOPS
STL
Lambert-St Louis
20 Jul - 24 Jul
$3,437pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
American Airlines
   
2 STOPS
STL
Lambert-St Louis

Cheap Iberia flights from St. Louis to San Sebastian

24 Jul - 6 Aug
$1,926pp
STL
Lambert-St Louis
Iberia
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
Iberia
   
2 STOPS
STL
Lambert-St Louis

Cheap American Airlines flights from St. Louis to San Sebastian

24 Jul - 6 Aug
$3,433pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
American Airlines
     
3 STOPS
STL
Lambert-St Louis
20 Jul - 24 Jul
$3,437pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
American Airlines
   
2 STOPS
STL
Lambert-St Louis

One-way flights to San Sebastián from St. Louis

The cheapest one-way flights from St. Louis to San Sebastian
2:40 am - 4:35 am
Multiple Airlines
2 Stops
42h 55m
STL - EAS
Multiple Airlines
$1,042
Kiwi.com
2:40 am - 4:35 am
Multiple Airlines
2 Stops
42h 55m
STL - EAS
Multiple Airlines
$1,071
Kiwi.com
7:20 am - 4:30 pm
British Airways
2 Stops
26h 10m
STL - EAS
British Airways

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">San Sebastian</span> flights.

Flight FAQs

From St. Louis to San Sebastian

Which airlines flying from Lambert-St Louis to San Sebastián have flexible changes due to COVID-19?

Iberia is one of the carriers that may have flexible change policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from St. Louis to San Sebastian for under $2,000 on Cheapflights?

Yes, there are multiple flights from St. Louis to San Sebastian for under $2,000. The cheapest flight booked recently is on Iberia for just $1,926, but on average you can expect to pay $2,932.

What are the cheapest flights from St. Louis to San Sebastian?

Looking at all options, your cheapest flight can be booked for $617. While the most popular route (Lambert-St Louis - San Sebastián) can be booked for $962 on average our data indicates $1,090 when flying from St. Louis to San Sebastian.

COVID Restrictions

View COVID Travel Restrictions for San Sebastian, Spain

Do I need a COVID test to fly to San Sebastian from St. Louis?

Information is based on travel restrictions from Lambert-St Louis to San Sebastián

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter San Sebastián.

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours for RT-PCR (NAAT) and 24 hours for Antigen (quick-test) before departing to San Sebastián.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering San Sebastián.

Do I need a test to fly back to St. Louis from San Sebastian?

Returning to Lambert-St Louis from San Sebastián

COVID-19 testing requirements
Visitors from San Sebastián are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis.

Quarantine requirements
Visitors from San Sebastián are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for San Sebastian, Spain

Alternative routes for St. Louis to San Sebastian

See prices for flight routes from nearby airports that may be better suited for you.
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