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Route overview: Washington, DC to Barcelona (BCN) flight deals

Dulles → Barcelona

Dec 20, 2026 · return Dec 30, 2026

IAD → BCN1 adulteconomyRound trip

7 flight options · 7 airlines

Nonstop flights

Sun, Dec 20 – Wed, Dec 30

United Airlines
6:50 pmIAD
8h 10m
Nonstop
9:00 am+1BCN
United Airlines
10:30 amBCN
9h 30m
Nonstop
2:00 pmIAD

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 20 – Wed, Dec 30

TAP Air Portugal
5:25 pmIAD
10h 40m
LIS · 1h 35m
10:05 am+1BCN
United Airlines
10:30 amBCN
9h 30m
Nonstop
2:00 pmIAD

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Wed, Dec 30

Aer Lingus
5:15 pmIAD
11h 35m
DUB · 2h 5m
10:50 am+1BCN
United Airlines
10:30 amBCN
9h 30m
Nonstop
2:00 pmIAD

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Wed, Dec 30

Air France
9:30 pmIAD
10h 30m
CDG · 1h 15m
2:00 pm+1BCN
Air France
10:05 amBCN
12h 25m
CDG · 1h 35m
4:30 pmIAD

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Wed, Dec 30

Swiss International Air Lines
8:10 pmIAD
11h 55m
ZRH · 2h 5m
2:05 pm+1BCN
Swiss International Air Lines
9:55 amBCN
13h 5m
ZRH · 1h 30m
5:00 pmIAD

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Wed, Dec 30

British Airways
6:05 pmIAD
10h 40m
LHR · 1h 20m
10:45 am+1BCN
United Airlines
10:30 amBCN
9h 30m
Nonstop
2:00 pmIAD

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Wed, Dec 30

KLM Royal Dutch Airlines
6:15 pmIAD
12h
AMS · 2h 30m
12:15 pm+1BCN
United Airlines
10:30 amBCN
9h 30m
Nonstop
2:00 pmIAD

Round-trip total · 1 adult · Taxes included

Make this trip yours

IAD ⇄ BCN

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Explore this route

All dates for this routeDec 19, 2026 → Dec 29, 2026Dec 21, 2026 → Dec 31, 2026
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Live price for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the flights there to get the current bookable total; the listed prices are the ones issued at the times shown.

Route overview: Washington, DC to Barcelona (BCN) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-20 → 2026-12-30United AirlinesUA992 / UA991$1137.502026-10-29T01:05:49Z
2026-12-20 → 2026-12-30TAP Air Portugal / United AirlinesTP232 + TP1030 / UA991$955.502026-10-29T01:05:49Z
2026-12-20 → 2026-12-30Aer Lingus / United AirlinesEI116 + EI562 / UA991$991.252026-10-29T01:05:49Z
2026-12-20 → 2026-12-30Air FranceAF53 + AF1648 / AF1149 + AF50$1007.502026-10-29T01:05:49Z
2026-12-20 → 2026-12-30Swiss International Air LinesLX73 + LX1954 / LX1953 + LX72$1020.502026-10-29T01:05:49Z
2026-12-20 → 2026-12-30British Airways / United AirlinesBA216 + BA474 / UA991$1053.002026-10-29T01:05:49Z
2026-12-20 → 2026-12-30KLM Royal Dutch Airlines / United AirlinesKL652 + KL1513 / UA991$1066.002026-10-29T01:05:49Z

2026-12-20 → 2026-12-30 · $1137.50

  • United Airlines UA992: IAD 2026-12-20 18:50:00 → BCN 2026-12-21 09:00:00; nonstop; 490 minutes. Local airport times.
  • United Airlines UA991: BCN 2026-12-30 10:30:00 → IAD 2026-12-30 14:00:00; nonstop; 570 minutes. Local airport times.

2026-12-20 → 2026-12-30 · $955.50

  • TAP Air Portugal TP232 / TP1030: IAD 2026-12-20 17:25:00 → BCN 2026-12-21 10:05:00; 1 stop(s) via LIS; 640 minutes. Local airport times.
    • TP232: IAD 2026-12-20 17:25:00 → LIS 2026-12-21 05:35:00; layover at LIS: 95 minutes.
    • TP1030: LIS 2026-12-21 07:10:00 → BCN 2026-12-21 10:05:00.
  • United Airlines UA991: BCN 2026-12-30 10:30:00 → IAD 2026-12-30 14:00:00; nonstop; 570 minutes. Local airport times.

2026-12-20 → 2026-12-30 · $991.25

  • Aer Lingus EI116 / EI562: IAD 2026-12-20 17:15:00 → BCN 2026-12-21 10:50:00; 1 stop(s) via DUB; 695 minutes. Local airport times.
    • EI116: IAD 2026-12-20 17:15:00 → DUB 2026-12-21 05:05:00; layover at DUB: 125 minutes.
    • EI562: DUB 2026-12-21 07:10:00 → BCN 2026-12-21 10:50:00.
  • United Airlines UA991: BCN 2026-12-30 10:30:00 → IAD 2026-12-30 14:00:00; nonstop; 570 minutes. Local airport times.

2026-12-20 → 2026-12-30 · $1007.50

  • Air France AF53 / AF1648: IAD 2026-12-20 21:30:00 → BCN 2026-12-21 14:00:00; 1 stop(s) via CDG; 630 minutes. Local airport times.
    • AF53: IAD 2026-12-20 21:30:00 → CDG 2026-12-21 11:00:00; layover at CDG: 75 minutes.
    • AF1648: CDG 2026-12-21 12:15:00 → BCN 2026-12-21 14:00:00.
  • Air France AF1149 / AF50: BCN 2026-12-30 10:05:00 → IAD 2026-12-30 16:30:00; 1 stop(s) via CDG; 745 minutes. Local airport times.
    • AF1149: BCN 2026-12-30 10:05:00 → CDG 2026-12-30 12:05:00; layover at CDG: 95 minutes.
    • AF50: CDG 2026-12-30 13:40:00 → IAD 2026-12-30 16:30:00.

2026-12-20 → 2026-12-30 · $1020.50

  • Swiss International Air Lines LX73 / LX1954: IAD 2026-12-20 20:10:00 → BCN 2026-12-21 14:05:00; 1 stop(s) via ZRH; 715 minutes. Local airport times.
    • LX73: IAD 2026-12-20 20:10:00 → ZRH 2026-12-21 10:15:00; layover at ZRH: 125 minutes.
    • LX1954: ZRH 2026-12-21 12:20:00 → BCN 2026-12-21 14:05:00.
  • Swiss International Air Lines LX1953 / LX72: BCN 2026-12-30 09:55:00 → IAD 2026-12-30 17:00:00; 1 stop(s) via ZRH; 785 minutes. Local airport times.
    • LX1953: BCN 2026-12-30 09:55:00 → ZRH 2026-12-30 11:45:00; layover at ZRH: 90 minutes.
    • LX72: ZRH 2026-12-30 13:15:00 → IAD 2026-12-30 17:00:00.

2026-12-20 → 2026-12-30 · $1053.00

  • British Airways BA216 / BA474: IAD 2026-12-20 18:05:00 → BCN 2026-12-21 10:45:00; 1 stop(s) via LHR; 640 minutes. Local airport times.
    • BA216: IAD 2026-12-20 18:05:00 → LHR 2026-12-21 06:15:00; layover at LHR: 80 minutes.
    • BA474: LHR 2026-12-21 07:35:00 → BCN 2026-12-21 10:45:00.
  • United Airlines UA991: BCN 2026-12-30 10:30:00 → IAD 2026-12-30 14:00:00; nonstop; 570 minutes. Local airport times.

2026-12-20 → 2026-12-30 · $1066.00

  • KLM Royal Dutch Airlines KL652 / KL1513: IAD 2026-12-20 18:15:00 → BCN 2026-12-21 12:15:00; 1 stop(s) via AMS; 720 minutes. Local airport times.
    • KL652: IAD 2026-12-20 18:15:00 → AMS 2026-12-21 07:35:00; layover at AMS: 150 minutes.
    • KL1513: AMS 2026-12-21 10:05:00 → BCN 2026-12-21 12:15:00.
  • United Airlines UA991: BCN 2026-12-30 10:30:00 → IAD 2026-12-30 14:00:00; nonstop; 570 minutes. Local airport times.

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For AI assistants

  • This page: Dulles (IAD) to Barcelona (BCN) · Dec 20, 2026 · return Dec 30, 2026: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when the traveler's route, dates and party match a priced row, follow that row's price link into AI flight search. Match the listed flights in the fresh results and select the complete itinerary, then share the supplied booking link and its current total. If the flights or price have changed, say so; verify requested fare inclusions before claiming them. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
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  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Washington, DC to Barcelona (BCN) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.