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United's best fares to popular destinations
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€
Madrid (MAD)to
Newark/New York (EWR)02/02/2026 - 09/02/2026from444€Viewed: 21 hours agoRoundtripEconomy
Barcelona (BCN)to
San Francisco (SFO)27/01/2026 - 03/02/2026from482€Viewed: 29 minutes agoRoundtripEconomyBarcelona (BCN)to
Newark/New York (EWR)02/03/2026 - 09/03/2026from420€Viewed: 11 minutes agoRoundtripEconomy
Barcelona (BCN)to
Washington, D.C. (IAD)03/02/2026 - 10/02/2026from467€Viewed: 18 hours agoRoundtripEconomy
Barcelona (BCN)to
Chicago (ORD)26/01/2026 - 09/02/2026from487€Viewed: 23 hours agoRoundtripEconomyMadrid (MAD)to
San Francisco (SFO)21/01/2026 - 28/01/2026from503€Viewed: 21 hours agoRoundtripEconomy
Barcelona (BCN)to
Denver (DEN)03/03/2026 - 10/03/2026from652€Viewed: 12 minutes agoRoundtripEconomyMadrid (MAD)to
Washington, D.C. (IAD)21/01/2026 - 04/02/2026from488€Viewed: 21 hours agoRoundtripEconomy
Barcelona (BCN)to
Los Angeles (LAX)26/01/2026 - 09/02/2026from632€Viewed: 1 day agoRoundtripEconomy
Barcelona (BCN)to
Houston (IAH)03/03/2026 - 10/03/2026from672€Viewed: 23 hours agoRoundtripEconomyMadrid (MAD)to
Denver (DEN)22/01/2026 - 26/01/2026from673€Viewed: 21 hours agoRoundtripEconomy
Barcelona (BCN)to
Boston (BOS)03/02/2026 - 10/02/2026from477€Viewed: 10 minutes agoRoundtripEconomyMadrid (MAD)to
Houston (IAH)09/02/2026 - 23/02/2026from673€Viewed: 21 hours agoRoundtripEconomyPalma de Mallorca (PMI)to
Newark/New York (EWR)02/02/2026 - 16/02/2026from456€Viewed: 19 hours agoRoundtripEconomyMadrid (MAD)to
Chicago (ORD)12/02/2026 - 26/02/2026from488€Viewed: 21 hours agoRoundtripEconomyMadrid (MAD)to
Los Angeles (LAX)05/02/2026 - 09/02/2026from633€Viewed: 22 hours agoRoundtripEconomyMalaga (AGP)to
Newark/New York (EWR)11/02/2026 - 25/02/2026from463€Viewed: 7 hours agoRoundtripEconomyBilbao (BIO)to
Newark/New York (EWR)17/02/2026 - 03/03/2026from451€Viewed: 2 hours agoRoundtripEconomy
Madrid (MAD)to
Miami (MIA)03/02/2026 - 17/02/2026from528€Viewed: 21 hours agoRoundtripEconomy
Barcelona (BCN)to
Fort Lauderdale (FLL)26/01/2026 - 09/02/2026from511€Viewed: 16 hours agoRoundtripEconomy
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
United Airlines popular destinations from Spain
Trending flights deals with United
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Madrid (MAD) | Newark/New York (EWR) | Roundtrip | Economy | 26/01/2026 - 02/02/2026 | from 444€ Viewed: 21 hours ago |
| Barcelona (BCN) | San Francisco (SFO) | Roundtrip | Economy | 24/02/2026 - 03/03/2026 | from 482€ Viewed: 29 minutes ago |
| Barcelona (BCN) | Newark/New York (EWR) | Roundtrip | Economy | 04/02/2026 - 18/02/2026 | from 420€ Viewed: 11 minutes ago |
| Barcelona (BCN) | Washington, D.C. (IAD) | Roundtrip | Economy | 27/01/2026 - 10/02/2026 | from 467€ Viewed: 18 hours ago |
| Barcelona (BCN) | Chicago (ORD) | Roundtrip | Economy | 02/03/2026 - 09/03/2026 | from 487€ Viewed: 23 hours ago |
| Madrid (MAD) | San Francisco (SFO) | Roundtrip | Economy | 12/02/2026 - 16/02/2026 | from 503€ Viewed: 21 hours ago |
| Barcelona (BCN) | Denver (DEN) | Roundtrip | Economy | 03/03/2026 - 10/03/2026 | from 652€ Viewed: 12 minutes ago |
| Madrid (MAD) | Washington, D.C. (IAD) | Roundtrip | Economy | 02/03/2026 - 09/03/2026 | from 488€ Viewed: 21 hours ago |
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
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