Find cheap United Airlines flights to Spain
WAS — MAD
Nov 11 — Nov 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Leverage Cheapflights for Your Next Trip
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find United Airlines flight deals to Spain
Cheapest
Best
Direct
Last-minute
One-way
Cheapest United Airlines flights from USA to SpainExplore the most affordable United Airlines flight options available from USA to Spain. Find the lowest fares with prices last updated on October 12, 2026.
Explore the most affordable United Airlines flight options available from USA to Spain. Find the lowest fares with prices last updated on October 12, 2026.
This United Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:10 am -
1 stop21h 20m
Thu 1/211:25 pm -
1 stop28h 09m
Deal found 10/9![United Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:41 pm -
1 stop30h 04m
Wed 11/181:25 pm -
1 stop26h 23m
Deal found 10/7![United Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:55 am -
1 stop16h 05m
Wed 11/181:25 pm -
2 stops28h 19m
Deal found 10/9![United Airlines logo]()
$409
Best United Airlines flights from USA to SpainDiscover carefully curated United Airlines flight deals from USA to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
Discover carefully curated United Airlines flight deals from USA to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:55 am -
1 stop16h 05m
Tue 2/91:25 pm -
2 stops28h 30m
Deal found 10/11![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/26:00 am -
1 stop21h 30m
Wed 2/101:25 pm -
1 stop27h 51m
Deal found 10/10![United Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2312:45 pm -
2 stops13h 15m
Tue 3/3012:45 pm -
2 stops28h 49m
Deal found 10/11![United Airlines logo]()
$418
Direct United Airlines flights from USA to SpainExplore non-stop United Airlines flight options from USA to Spain based on user searches, and compare prices and availability for your desired travel dates. Data last updated October 12, 2026.
Explore non-stop United Airlines flight options from USA to Spain based on user searches, and compare prices and availability for your desired travel dates. Data last updated October 12, 2026.
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:10 pm -
Nonstop7h 35m
Wed 12/1611:00 am -
Nonstop9h 00m
Deal found 10/7![United Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:05 pm -
Nonstop7h 40m
Fri 11/611:00 am -
Nonstop9h 00m
Deal found 10/8![United Airlines logo]()
$416
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:10 pm -
Nonstop7h 35m
Tue 12/811:00 am -
Nonstop9h 00m
Deal found 10/7![United Airlines logo]()
$417
Last-minute United Airlines flights from USA to SpainDiscover last-minute United Airlines flight deals from USA to Spain. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute United Airlines flight deals from USA to Spain. Data last updated October 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:10 am -
1 stop21h 20m
Thu 1/211:25 pm -
1 stop28h 09m
Deal found 10/9![United Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:41 pm -
1 stop30h 04m
Wed 11/181:25 pm -
1 stop26h 23m
Deal found 10/7![United Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:55 am -
1 stop16h 05m
Wed 11/181:25 pm -
2 stops28h 19m
Deal found 10/9![United Airlines logo]()
$409
One-way United Airlines flights to SpainSearch for one-way United Airlines flight options to Spain. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
Search for one-way United Airlines flight options to Spain. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:30 am -
2 stops16h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![United Airlines logo]()
$296
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
2 stops21h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![United Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:15 am -
2 stops20h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![United Airlines logo]()
$305
Flights to Spain with United Airlines at a glance
Find detailed information about United Airlines flights from USA to Spain. Explore the options provided by United Airlines to plan your journey from USA to Spain. Data last updated October 12, 2026.
Cheapflights Insights
Find cheap United Airlines flights to Spain
US0-ES0
IAD-MAD
BOS-MAD
BOS-BCN
How long is the flight to Spain with United Airlines?
On average, United Airlines flights from the United States to Spain take 8 hours 27 minutes. Flights to Spain from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.
United Airlines weekly flight availability to Spain
The most flights to Spain operated by United Airlines are scheduled on a Monday (8 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).
When is the best time to book a flight to Spain with United Airlines?
The best time to book a flight to Spain with United Airlines is 2 days before departure. On average, fares are higher if you book 62 days before departure.
FAQs for United Airlines flights to Spain
Reviews from United Airlines flights to Spain
See what other users thought of their United Airlines experience.
Overview
Reviews
United Airlines
10,000 reviews
Overview
Comfort
7.3
Food
6.7
Entertainment
7.1
Boarding
7.7
Crew
8.1
Recent reviews
10.0
|Oct 2026Is good
10.0
|Sep 2026Everything was good
8.0
|Sep 2026The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
10.0
|Aug 2026Staff friendly, good boarding experience
4.0
|Aug 2026Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
1 out of 3334
Popular United Airlines flights
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
Fly from Spain
Other countries
Popular destinations
Popular flights
Popular regions
Popular routes
Popular Spain flight routes
Top Spain destinations
United Airlines