Find flights
When to book
Airlines
FAQs

Cheap flights from Detroit to Barcelona

DTT — BCN
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Detroit All airports to Barcelona are usually found in November or February, booked 63 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Detroit to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) 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 16 September 2025.

Popular in

June

Cheapest in

November

Average price

C$ 964
Highest demand for flights based on searches. 26% potential increase in price (C$ 582 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Best time to book a flight from Detroit to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona from Detroit 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 Detroit to Barcelona

How far ahead should I book a flight from Detroit to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from Detroit to Barcelona. Price data was last updated on 12 September 2025.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit to Barcelona. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Detroit to Barcelona (average of C$ 604). Flying from Detroit to Barcelona in July is currently the most expensive (average of C$ 794). 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.

What is the cheapest time of day to fly from DTT to BCN?

Find hourly flight availability from Detroit to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2025.

It’s typically best to fly out from Detroit to Barcelona at noon. Doing so could potentially save you 12% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona. Reviews last updated 16 September 2025.
See what other customers who have flown with United Airlines and Turkish Airlines from Detroit to Barcelona have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,968 reviews
United Airlines
7.4
Good
8,929 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Detroit 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 Detroit to Barcelona?

    Most people fly from Detroit All airports (DTT) if they book a flight from Detroit to Barcelona. On average, All airports has 0 outbound flights to Barcelona per day from 2 airlines. Detroit All airports is conveniently located just 0.9 km from Detroit’s city centre.

  • What are the cheapest airlines flying from Detroit to Barcelona round-trip?

    Cheapflights users have booked flights from Detroit to Barcelona round-trip from C$ 663. Another airline that can offer you cheap pricing is United Airlines. British Airways is currently priced 43% below the average price you’ll pay for this route.

  • Can I find deals for flights from Detroit to Barcelona that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Detroit 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 Detroit to Barcelona?

    Currently, January is the cheapest month in which you can book a flight from Detroit to Barcelona (average of C$ 604). Flying from Detroit to Barcelona in July is currently the most expensive (average of C$ 794). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Detroit to Barcelona

Discover the top 2 airlines that operate flights from Detroit to Barcelona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 663AverageC$ 1,551FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapestC$ 772AverageC$ 1,242FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Detroit to Barcelona?

Deals for Detroit to Barcelona flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Detroit to Barcelona?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Detroit to Barcelona for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Detroit to Barcelona with no change fees?

Yes! Cheapflights helps users easily find flights from Detroit to Barcelona with no change fees.

Can Cheapflights notify me if prices for flights from Detroit to Barcelona become cheaper?

Yes, Cheapflights offers price alerts on Detroit to Barcelona flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.