Cheap flights from Washington, D.C. Dulles Intl Airport to Barcelona from $211
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Barcelona departing on 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
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 Washington, D.C. Dulles Intl Airport to Barcelona
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Icelandair flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport
Our best Icelandair deals on Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flight tickets
TAP AIR PORTUGAL flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport
Our best TAP AIR PORTUGAL deals on Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flight tickets
See travel insights to Barcelona from
How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport
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-El Prat Airport?
The cheapest month to fly to Barcelona-El Prat Airport from Washington, D.C. Dulles Intl Airport is in January. Flight prices, which tend to average around $616, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Barcelona-El Prat Airport from Washington, D.C. Dulles Intl Airport during November instead. Flights to Barcelona-El Prat Airport in November, while not as cheap as those in January, still average around $717.
What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?
The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Monday when prices can be found for as low as $1,135. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,334. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.
What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?
Flying to Barcelona-El Prat Airport from Washington, D.C. Dulles Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $759 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,258 on average. Flights to Barcelona-El Prat Airport from Washington, D.C. Dulles Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Washington, D.C. Dulles Intl to Barcelona-El Prat flight route?
Fly from Washington, D.C. Dulles Intl to Barcelona-El Prat for the best Washington, D.C. Dulles Intl - Barcelona-El Prat flight prices
How far in advance should I book a flight to Barcelona-El Prat Airport?
You are more likely to see cheaper flights to Barcelona-El Prat Airport from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $834 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Washington, D.C. Dulles Intl Airport for as low as $732 on momondo.
What cabin class options are available on Washington, D.C. Dulles Intl to Barcelona-El Prat flights?
There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Barcelona-El Prat flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Barcelona-El Prat?
Icelandair is the most popular carrier operating from Washington, D.C. Dulles Intl to Barcelona-El Prat
What airlines fly to Barcelona-El Prat Airport?
United Airlines, Iberia and TAP AIR PORTUGAL are the top three most popular airlines that fly to Barcelona-El Prat Airport from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 16 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport on average per day?
3 flights are operational daily from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport as of July 2025. The most popular departure time for this route is 6:00PM, with 100% of flights per day taking off in the evening.
How many flights depart from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport on average per week?
The number of flights available between Washington, D.C. Dulles Intl Airport and Barcelona-El Prat Airport is 21 per week as of July 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.
When to book flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport
Cheap Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport (IAD to BCN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport
How far is Washington, D.C. Dulles Intl to Barcelona-El Prat by plane?
A flight from Washington, D.C. Dulles Intl to Barcelona-El Prat will travel around 4046.0 mi. A reasonable flight in good conditions will take 10h 45m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?
The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport is 16 as of July 2025.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport.
What documentation or ID do you need to fly to Barcelona-El Prat Airport?
The travel and health documents you'll need for your trip to Barcelona-El Prat Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Barcelona-El Prat Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Barcelona-El Prat Airport, the leading plane model is Boeing 787 Dreamliner, making up 31.65% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 19.83%, Boeing 787-9 Dreamliner with 16.45%, and Boeing 767-400 with 14.63%.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport is United Airlines, representing 31% of all bookings. The subsequent popular airlines are Iberia at 19%, TAP AIR PORTUGAL at 10%, and Aer Lingus at 5%.
Best airlines flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport
Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $308 | Free Cancellation | Rating 7.0 102 reviews | |||
| PriceFrom $384 | Free Cancellation | Rating 7.0 514 reviews | |||
| PriceFrom $465 | Free Cancellation | Rating 7.3 1,416 reviews | |||
| PriceFrom $468 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $507 | Free Cancellation | Rating 7.1 1,908 reviews | |||
| PriceFrom $517 | Free Cancellation | Rating 7.5 1,465 reviews | |||
| PriceFrom $524 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $528 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom $560 | Free Cancellation | Rating 6.1 480 reviews | |||
| PriceFrom $562 | Free Cancellation | Rating 7.1 1,144 reviews |
United Airlines Flights From Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport
United Airlines flies from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport around 7 times per week, with 8,861 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport in the last 72 hours was $629 (round-trip), much lower than the average airfare cost of $1,185 for United Airlines flights on this route.
Traveling to a place near Barcelona?
Book flights to Barcelona if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Barcelona?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Barcelona for you.
Can I find flights from Washington, D.C. to Barcelona with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Washington, D.C. to Barcelona flights to just show those with flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Barcelona?
Once all potential Washington, D.C. 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 Washington, D.C. to Barcelona right now. Can momondo alert me if prices change?
Price alerts on flights to Barcelona from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.