How long is the flight from Washington to Barcelona?

Non-stop flights on IAD → BCN are typically around 8.5 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.

Which airlines fly from Washington to Barcelona?

The main carriers on this route are United. Codeshare and one-stop options add several more — the filter panel above shows every airline in the current fare set.

When is the cheapest time to fly from Washington to Barcelona?

Historically the lowest fares land in November, February, March. Summer (mid-June through mid-August) and the Christmas / New Year window are always peak. Mid-week departures (Tuesday–Thursday) typically beat weekend prices by 10–20%.

How far ahead should I book Washington to Barcelona?

Six to ten weeks ahead is the sweet spot for this route. Inside three weeks, fares tend to spike as airlines sell to last-minute business travellers. Award availability often opens 10–11 months out if you're booking on miles.

Can I book directly on destination.com?

The Book button on each fare opens the airline or OTA (Trip.com, Kiwi, Expedia, Booking, Priceline, etc.) that's actually selling that ticket. You complete payment there at the same price you saw here — we never add a markup.

IAD → BCN

Washington to Barcelona flights.

Live cached fares on Washington (IAD) → Barcelona (BCN), refreshed every 30 minutes. Non-stop and connecting itineraries side by side — compare airlines, times and stops, then book in one click.

Flying time
~8.5h non-stop
Airlines
United
Cheapest months
November, February, March

Flex dates · cheapest nearby

Loading prices…

No cached fares for exactly 2026-08-03 → 2026-08-10. Showing recent fares on IAD → BCN — pick a different date in the calendar above or run a live search.

Washington → Barcelona · 8 fares12-month low · $701

Cached from Travelpayouts · filter & sort below

Showing 8 of 8 results

Cheapest
Icelandair · FI 644
OutboundIAD → BCNThu, Aug 27 · 12:30 AM· 11h 15m· 2 stops
ReturnBCN ← IADWed, Sep 2 · 4:00 AM· 10h 30m· 1 stop
$701
total round-trip
Book →
TAP Portugal · TP 234
OutboundIAD → BCNMon, Jul 6 · 2:35 AM· 9h 15m· 1 stop
ReturnBCN ← IADFri, Jul 17 · 1:00 PM· 10h 20m· 1 stop
$703
total round-trip
Book →
TAP Portugal · TP 234
OutboundIAD → BCNFri, Aug 21 · 2:35 AM· 9h 15m· 1 stop
ReturnBCN ← IADWed, Aug 26 · 3:45 PM· 10h 30m· 1 stop
$714
total round-trip
Book →
Royal Air Maroc · AT 219
OutboundIAD → BCNWed, Jun 2 · 1:00 AM· 9h 20m· 1 stop
ReturnBCN ← IADWed, Jun 9 · 11:45 AM· 10h 15m· 1 stop
$729
total round-trip
Book →
TAP Portugal · TP 234
OutboundIAD → BCNWed, Sep 16 · 2:35 AM· 9h 15m· 1 stop
ReturnBCN ← IADSun, Sep 20 · 3:45 PM· 10h 30m· 1 stop
$774
total round-trip
Book →
Icelandair · FI 644
OutboundIAD → BCNSun, Nov 22 · 12:40 AM· 11h 10m· 2 stops
ReturnBCN ← IADSun, Nov 29 · 8:10 PM· 10h 50m· 1 stop
$825
total round-trip
Book →
TAP Portugal · TP 234
OutboundIAD → BCNFri, Aug 7 · 2:35 AM· 9h 25m· 1 stop
ReturnBCN ← IADFri, Aug 21 · 9:25 AM· 10h 20m· 1 stop
$852
total round-trip
Book →
MX · MX 915
OutboundIAD → BCNFri, Jul 17 · 4:00 PM· 14h 45m· 2 stops
ReturnBCN ← IADSun, Jul 19 · 8:40 PM· 10h 30m· 1 stop
$1,033
total round-trip
Book →

Try a nearby airport

Thin routes often have more options from a neighbouring airport.

Washington (DCA) → Barcelona (BCN)

nearby origin

Baltimore (BWI) → Barcelona (BCN)

nearby origin

About Washington → Barcelona

UA seasonal direct (typically Apr-Oct). Off-season connect via LHR, FRA, or MAD — Iberia via MAD is the shortest connection.

Typical non-stop flying time is around 8.5 hours. Major carriers on this route include United. Fares are usually cheapest in November, February, March — book 6–10 weeks ahead and avoid school-holiday peaks (late June–August, Christmas–New Year) for the best pricing.

Month-by-month price guide: Washington to Barcelona

Live cheapest round-trip fare cached on IAD → BCN for each of the next 12 months. Tap any month and run a live search to confirm.

Jun
No data
Jul
Low
from $703
Aug
Low
from $701
Sep
Shoulder
from $774
Oct
No data
Nov
Peak
from $825
Dec
No data
Jan
No data
Feb
No data
Mar
No data
Apr
No data
May
No data

Cheapest next 12 months: August from $701 round-trip. Run a live search →

Booking window tip

Long-haul fares are most predictable when booked 10-16 weeks ahead. Inside six weeks expect sharp increases, especially in premium cabins. If you're paying with miles, search 330+ days ahead when award inventory first loads.

Price drop alerts

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Where to stay

Once you’ve booked the flight, pick a Barcelona neighbourhood.

See where to stay in Barcelona →

Questions, answered

How long is the flight from Washington to Barcelona?
Non-stop flights on IAD → BCN are typically around 8.5 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.
Which airlines fly from Washington to Barcelona?
The main carriers on this route are United. Codeshare and one-stop options add several more — the filter panel above shows every airline in the current fare set.
When is the cheapest time to fly from Washington to Barcelona?
Historically the lowest fares land in November, February, March. Summer (mid-June through mid-August) and the Christmas / New Year window are always peak. Mid-week departures (Tuesday–Thursday) typically beat weekend prices by 10–20%.
How far ahead should I book Washington to Barcelona?
Six to ten weeks ahead is the sweet spot for this route. Inside three weeks, fares tend to spike as airlines sell to last-minute business travellers. Award availability often opens 10–11 months out if you're booking on miles.
Can I book directly on destination.com?
The Book button on each fare opens the airline or OTA (Trip.com, Kiwi, Expedia, Booking, Priceline, etc.) that's actually selling that ticket. You complete payment there at the same price you saw here — we never add a markup.

Other ways to reach Barcelona

If your plans are flexible on the origin, these alternate departure airports also serve Barcelona on the routes we track.

Other popular routes

Keep planning

Complete your Barcelona trip

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