Cheap flights from Barcelona-El Prat Airport to Washington, D.C. from $276
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Barcelona-El Prat Airport to Washington, D.C. departing on 7/3. 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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SWISS flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport
Our best SWISS deals on Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport flight tickets
TAP AIR PORTUGAL flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport
Our best TAP AIR PORTUGAL deals on Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport?
In general, February is the cheapest month to fly from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $432. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $463.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $658. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport for around $1,017.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Flying to Washington, D.C. Dulles Intl Airport from Barcelona-El Prat Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $446 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $848 on average. Flights to Washington, D.C. Dulles Intl Airport from Barcelona-El Prat Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Barcelona-El Prat to Washington, D.C. Dulles Intl flight route?
Fly from Barcelona-El Prat to Washington, D.C. Dulles Intl for the best Barcelona-El Prat - Washington, D.C. Dulles Intl flight prices
How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?
You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Barcelona-El Prat Airport when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $602 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Barcelona-El Prat Airport for as low as $470 on momondo.
What cabin class options are available on Barcelona-El Prat to Washington, D.C. Dulles Intl flights?
There are 3 cabin classes available to choose from on Barcelona-El Prat to Washington, D.C. Dulles Intl 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 Barcelona-El Prat to Washington, D.C. Dulles Intl?
Icelandair, TAP AIR PORTUGAL, and Lufthansa are the most popular carriers operating from Barcelona-El Prat to Washington, D.C. Dulles Intl
What airlines fly to Washington, D.C. Dulles Intl Airport?
United Airlines, TAP AIR PORTUGAL and Lufthansa are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Barcelona-El Prat Airport according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport on average per day?
3 flights are operational daily from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport as of June 2025. The most popular departure time for this route is 11:00AM, with 100% of flights per day taking off at noon.
How many flights depart from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport on average per week?
As of June 2025, 21 flights take off from Barcelona-El Prat Airport and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
When to book flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport
Cheap Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport (BCN to IAD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport
How far is Barcelona-El Prat to Washington, D.C. Dulles Intl by plane?
Washington, D.C. Dulles Intl is 4046.0 mi away from Barcelona-El Prat. In terms of flight time, this usually takes a little over 8h 45m.
When did momondo last update prices for flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport refresh daily.
How many operators does momondo search for flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?
As of June 2025, there are 3 operators available to choose from for flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl 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 Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl 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 Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between Barcelona-El Prat Airport and Washington, D.C. Dulles Intl Airport, the leading plane model is Boeing 787-9 Dreamliner, making up 21.66% of the total bookings. Other popular models include Boeing 767-300 with 16.31%, Boeing 787 Dreamliner with 14.71%, and Boeing 787-8 Dreamliner with 14.17%.
What is the most popular airline from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between Barcelona-El Prat Airport and Washington, D.C. Dulles Intl Airport, the leading airline is United Airlines, making up 44% of the total bookings. Other popular airlines include TAP AIR PORTUGAL with 38% and Lufthansa with 17%.
Best airlines flying from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $398 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom $406 | Free Cancellation | Rating 7.1 1,885 reviews | |||
| PriceFrom $432 | Free Cancellation | Rating 7.4 8,790 reviews |
United Airlines Flights From Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport
Across 7 United Airlines flights from Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport this week, the average price was $754, with the best United Airlines deals starting from $432 round-trip. 8,790 users have rated United Airlines on momondo, with an average score of 7.4/10.
Lufthansa Flights From Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport
Lufthansa is also a popular choice for this route. Lufthansa flight deals for Barcelona-El Prat Airport to Washington, D.C. Dulles Intl Airport start from as low as $398 round-trip, depending on your selected dates, with average Lufthansa deals seen on momondo around $558. Lufthansa operates 7 flights to Washington, D.C. Dulles Intl Airport from Barcelona-El Prat Airport in an average week. Users have rated it 6.7/10 across 7,139 reviews.
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Why should I use momondo to find a flight deal from Barcelona to Washington, D.C.?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Barcelona to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Barcelona to Washington, D.C. with flexible booking policies on momondo?
momondo does allow users to show only those flights to Washington, D.C. from Barcelona which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Barcelona to Washington, D.C.?
momondo helps you find the best flight between Barcelona and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Barcelona to Washington, D.C. right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Barcelona and alert you when they change.