Cheap flights from St. Louis to Spain from $325
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Spain departing on 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from St. Louis to Spain
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 month to fly to Spain?
If you don’t want to visit Spain in February, then you should wait until January to fly from St. Louis, when ticket prices are also cheap, with an average price of $773.
What is the cheapest day to depart on your flight to Spain?
The cheapest day to depart from St. Louis to Spain is on a Tuesday when prices can be found for as low as $867. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Spain for around $1,135.
What is the cheapest time of day to depart on your flight to Spain?
Flying to Spain from St. Louis in the morning is the least expensive time of day to depart. momondo users have found prices as low as $905 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Spain is in the afternoon when prices are around $1,043.
How far in advance should I book a flight to Spain?
You are more likely to see cheaper flights to Spain from St. Louis when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Spain for around $982 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Spain from St. Louis for as low as $819 on momondo.
What is the cheapest airline that flies from Lambert-St Louis to Spain?
British Airways, United Airlines, and Lufthansa are the most popular carriers operating from Lambert-St Louis to Spain
What airlines fly to Spain?
American Airlines, Iberia and Air Canada are the top three most popular airlines that fly to Spain from St. Louis according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Spain. Keep in mind that there are 8 different airlines that fly to Spain on a routine basis, so you have a few additional options to choose from.
Cheap St. Louis to Spain flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Spain
When did momondo last update prices for flights from Lambert-St Louis Airport to Spain?
Prices for flights from Lambert-St Louis Airport to Spain were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Spain?
As of April 2025, there are 8 operators available to choose from for flights from Lambert-St Louis Airport to Spain.
How old do you have to be to fly from Lambert-St Louis Airport to Spain?
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 Lambert-St Louis Airport to Spain.
What documentation or ID do you need to fly to Spain?
The travel and health documents required for your trip to Spain can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Spain. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from St. Louis to Spain
Compare and see reviews for airlines that fly from St. Louis to Spain with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $530 | Free Cancellation | Rating 6.7 6,982 reviews | |||
| PriceFrom $540 | Free Cancellation | Rating 7.8 1,319 reviews | |||
| PriceFrom $545 | Free Cancellation | Rating 6.6 6,725 reviews | |||
| PriceFrom $568 | Free Cancellation | Rating 7.0 2,665 reviews | |||
| PriceFrom $583 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $592 | Free Cancellation | Rating 8.0 7,902 reviews | |||
| PriceFrom $670 | Free Cancellation | Rating 7.0 9,068 reviews | |||
| PriceFrom $676 | Free Cancellation | Rating 7.4 8,633 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Spain?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Spain. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from St. Louis to Spain with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Spain from St. Louis with this policy.
How can momondo help me find flights from St. Louis to Spain?
Once you have performed a search for St. Louis to Spain flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from St. Louis to Spain right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Spain from St. Louis. 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.