Find cheap airlines flights from Barcelona to Washington D.C.

You can choose from 2 airlines that fly from Barcelona to Washington D.C., including TAP Air Portugal, United Airlines, United Airlines has lowest fares on this route.
TAP Air Portugal logo TAP Air Portugal
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from Barcelona to Washington D.C. according to previous 12 months data from Trip.com.

Book direct flights from Barcelona to Washington D.C.: One way flights from $889, round trip flights from $621. Find flight deals for the next 3 months below.

Displayed flight fares from Barcelona to Washington D.C. are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Barcelona to Washington D.C.

The distance between Barcelona and Washington D.C. is approximately 6,488.8 km. It takes around 9 hours 50 minutes on average to fly from Barcelona to Washington D.C.. Based on Trip.com's data travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight price$273
Cheapest round-trip ticket price$438
Off-season for travelSeptember
Peak season for travelJuly
Flight distance6,488.8 km
Average flight time9 hours 50 minutes
Popular airlineTAP Air Portugal
Flight statistics for the Barcelona–Washington D.C. route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Barcelona to Washington D.C.

Which month has the cheapest one-way flights from Barcelona to Washington D.C.?

The average price of one-way flights from Barcelona to Washington D.C. purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Barcelona to Washington D.C. is May, with an average price of $320; while the month with the highest flight price is usually November, with an average price of up to $980.

$980
$650
$320
0
    Cheapest
  • $582
    Mar
  • $644
    Apr
  • $320
    May
  • $375
    Jun
  • $582
    Jul
  • $815
    Aug
  • $372
    Sep
  • $663
    Oct
  • $980
    Nov
  • $423
    Dec
  • $424
    Jan
  • $400
    Feb

What's the cheapest day to fly from Barcelona to Washington D.C.?

Data is based on the average flight price for each day of the week from Barcelona to Washington D.C. on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Barcelona to Washington D.C. is Tuesday, with average prices lower than on other days. Avoid Monday, as prices are usually highest then.

$839
$608
$377
$146
  • $839
    Mon
  • $377
    Tue
  • $466
    Wed
  • $448
    Thu
  • $565
    Fri
  • $556
    Sat
  • $683
    Sun

Frequently Asked Questions

  • What are the cheapest flights from Barcelona to Washington D.C. (BCN-WAS)?

    Based on Trip.com data, Level offers one-way fares as low as $273 on Cheapest nonstop routes (e.g. BCN to DCA on Tue, Apr 7), while TAP Air Portugal offers Cheapest nonstop round-trips from $438 departing on Mon, Mar 16 and returning on Mon, Mar 23.
  • At the moment, you can catch a nonstop flight from Barcelona to Washington D.C. with the following airlines, including: United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 9 hours 50 minutes to fly from Barcelona (BCN) to Washington D.C. (WAS).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Barcelona to Washington D.C. is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 5 flight per week flying from Barcelona to Washington D.C.. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA991 (11:07)
  • To find best deals on flights from Barcelona to Washington D.C., you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Apr 7, with one-way flights priced at just $273.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Washington D.C. travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Barcelona to Washington D.C. is September, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Barcelona to Washington D.C. on March 9, 2026 with TAP Air Portugal, with prices starting at $443.
  • You can land at any one of the following hubs in Washington D.C., with Josep Tarradellas Barcelona-El Prat Airport to Dulles International Airport (BCN-IAD) is by far the most common option on this route: Dulles International Airport (IAD) Ronald Reagan Washington National Airport (DCA).
  • The time difference between Washington D.C. and Barcelona is 6h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com airline insights on flights from Barcelona to Washington D.C.

Which airlines offer the cheapest nonstop flights from Barcelona to Washington D.C.?

Data is based on the average price of all nonstop flights from Barcelona to Washington D.C. on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, TAP Air Portugal offers the cheapest nonstop flights from Barcelona to Washington D.C., with an average price of $485.

$322
$485
$649
$813
$976
TAP Air Portugal
$485
TAP Air Portugal
Royal Air Maroc
$626
Royal Air Maroc
Turkish Airlines
$677
Turkish Airlines
ITA Airways
$704
ITA Airways
Lufthansa
$870
Lufthansa
United Airlines
$976
United Airlines

Which airlines operate the most flights from Barcelona to Washington D.C.?

Data is based on the number of flights from Barcelona to Washington D.C. operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, United Airlines/Lufthansa/Air Canada operates the most flights from Barcelona to Washington D.C., with 2 flight per week.

2
United Airlines
2
United Airlines
Lufthansa
2
Lufthansa
Air Canada
2
Air Canada