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$540+ Cheap flights from Moline (MLI) to Barcelona

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
MLI — BCN
Nov 3 — Nov 101
Mon 11/3
Mon 11/10
1 adult, Economy
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Cheap flight deals from Moline to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Moline (MLI) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 4, 2025.

Round-trip from

$727
(United Airlines)

One-way from

$540
(TravelUp)
From Moline Quad-City to Barcelona
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One-way flight from Moline Quad-City to Barcelona
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Find flight deals from Moline to Barcelona

Best flights from Moline to Barcelona
Discover carefully curated flight deals from Moline to Barcelona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2025.

This United Airlines deal was found by Cheapflights users on 10/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/275:42 pmMLI - BCN
2 stops20h 08mUnited Airlines
Tue 3/311:15 pmBCN - MLI
2 stops34h 52mUnited Airlines
Deal found 10/3$727
This American Airlines deal was found by Cheapflights users on 10/2. 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 3/271:11 pmMLI - BCN
2 stops24h 39mAmerican Airlines
Tue 3/3110:45 amBCN - MLI
1 stop13h 50mAmerican Airlines
Deal found 10/2$1,045

Cheapflights Fare Finder

 
Customize your flight search to find flights from Moline to Barcelona 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 October 4, 2025.
Use the filters below to find and compare flights from Moline to Barcelona that are best for you.

Fly from

Moline

Fly to

Barcelona

Route

Depart

Return

Price

MolineBarcelona

MLI - BCN

MLIBCN

Moline Quad-City

Fri 3/27

5:42 pm-7:50 pm

2 stops20h 08m

Barcelona-El Prat

Tue 3/31

1:15 pm-5:07 pm

2 stops34h 52m

$727

MolineBarcelona

MLI - BCN

MLIBCN

Moline Quad-City

Fri 3/27

1:11 pm-7:50 pm

2 stops24h 39m

Barcelona-El Prat

Tue 3/31

10:45 am-5:35 pm

1 stop13h 50m

$1,045

MolineBarcelona

MLI - BCN

MLIBCN

Moline Quad-City

Wed 10/15

6:45 pm-1:15 pm

1 stop11h 30m

$540

MolineBarcelona

MLI - BCN

MLIBCN

Moline Quad-City

Wed 10/15

6:00 am-6:45 am

2 stops17h 45m

$543

MolineBarcelona

MLI - BCN

MLIBCN

Moline Quad-City

Wed 10/15

6:00 am-8:05 pm

3 stops31h 05m

$1,027

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

Best time to book a flight from Moline to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona from Moline 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 Moline to Barcelona
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Moline to Barcelona. 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 from for flights from Moline to Barcelona?

    Moline Quad-City (MLI) is the airport you will fly out of if you book a flight from Moline to Barcelona. You should not have trouble finding flights to Barcelona from Quad-City; the airport handles an average of 0 outbound flights to Barcelona per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Moline airport to Barcelona. It is only a 4.0 mi journey to Quad-City (MLI) from Moline’s city center.

  • How long is the flight from Moline to Barcelona?

    Departing from Moline to Barcelona will take you 20h 08m. The distance from Moline to Barcelona is about 4537 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 Moline to Barcelona that include hotel bookings?

    Yes. In addition to deals on Moline to Barcelona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Moline to Barcelona?

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

  • Can I find deals for business class flights from Moline to Barcelona?

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

  • What is the cheapest month to book a flight from Moline to Barcelona?

    Currently, January is the cheapest month in which you can book a flight from Moline to Barcelona (average of $523). Flying from Moline to Barcelona in June is currently the most expensive (average of $1,059). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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