Cheap flights from St. Louis to Barcelona from $243
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 Barcelona departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from St. Louis to Barcelona
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Cheap bus & train deals from St. Louis to Barcelona
All round-trip flight deals to Barcelona
British Airways flights from St. Louis to Barcelona
Our best British Airways deals on St. Louis to Barcelona flight tickets
Lufthansa flights from St. Louis to Barcelona
Our best Lufthansa deals on St. Louis to Barcelona flight tickets
See travel insights to Barcelona from
How to get the cheapest flight ticket from St. Louis to Barcelona
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 Barcelona?
The month of January is, on average, the cheapest month to fly to Barcelona from St. Louis, with most prices found around $694. If you don’t want to visit Barcelona in January, then you should wait until February to fly from St. Louis, when ticket prices are also cheap, with an average price of $709.
What is the cheapest day to depart on your flight to Barcelona?
The cheapest day to depart from St. Louis to Barcelona is on a Tuesday when prices can be found for as low as $872. On the other hand, Thursday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,132.
What is the cheapest time of day to depart on your flight to Barcelona?
In the evening is the cheapest time of day to fly from St. Louis to Barcelona when you can find flight prices for as low as $883. Flying to Barcelona in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,044 on average. Flights to Barcelona from St. Louis in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Barcelona?
In general, most travelers find the cheapest time to book a flight to Barcelona is about 9 days prior to their departure date when tickets on average are $986. In the past 72 hours, momondo users found flights from St. Louis to Barcelona for as low as $640.
Cheap St. Louis to Barcelona flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Barcelona
How far is Lambert-St Louis to Barcelona by plane?
The straight-line distance from Lambert-St Louis to Barcelona is 4636.1 mi. In terms of flight time, this usually takes a little over 11h 35m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Barcelona?
Prices for flights from Lambert-St Louis Airport to Barcelona were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Barcelona?
As of November 2024, there are 9 operators available to choose from for flights from Lambert-St Louis Airport to Barcelona.
How old do you have to be to fly from Lambert-St Louis Airport to Barcelona?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The necessary travel and health documents for your Barcelona trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from St. Louis to Barcelona
Compare and see reviews for airlines that fly from St. Louis to Barcelona with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $490 | Free Cancellation | Rating 7.8 1,349 reviews | |||
| PriceFrom $530 | Free Cancellation | Rating 6.8 7,143 reviews | |||
| PriceFrom $541 | Free Cancellation | Rating 8.0 8,755 reviews | |||
| PriceFrom $588 | Free Cancellation | Rating 6.6 6,831 reviews | |||
| PriceFrom $624 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $669 | Free Cancellation | Rating 7.4 1,525 reviews | |||
| PriceFrom $687 | Free Cancellation | Rating 7.4 9,172 reviews | |||
| PriceFrom $697 | Free Cancellation | Rating 7.0 2,661 reviews | |||
| PriceFrom $717 | Free Cancellation | Rating 7.0 8,246 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Barcelona?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Barcelona. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from St. Louis to Barcelona with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for St. Louis to Barcelona flights to just show those with flexible booking policies.
How can momondo help me find flights from St. Louis to Barcelona?
Once all potential St. Louis to Barcelona flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from St. Louis to Barcelona right now. Can momondo alert me if prices change?
If you are not ready to book a flight from St. Louis to Barcelona now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Barcelona and let you know when they change.