Round-trip, nonstop flights from Washington, D.C. (IAD) to Madrid, Spain (MAD) for $511 – $630 on Iberia, a 4-star airline. The fare is Basic Economy and includes only a carry-on bag. You can add a checked bag for $130 ($65 each way).
If you prefer, you can upgrade to an Optimal Economy fare for an additional $200. An Optimal Economy ticket includes a carry-on bag, one checked bag, free ticket changes, and free seat selection at check-in.
Average fare IAD-MAD direct flights (all airlines, past 12 months): $906
How to Book
Support us by using our link to book your flight directly with Iberia. At time of publication, the fare was available April – May and August- November 2025.
For best results, try searching with a trip length of 9 days. Use the sample dates below as a guide. The lowest-priced flights depart IAD on Sundays through Thursdays.
The tabs above the flight search results show prices for adjacent dates. Click one to load flights for that date instead of the current results.
Example Dates
These dates are examples only. Adjust them to find dates and a price that works for your trip. Use the tips above to find more.
| Depart | Return | Price |
|---|---|---|
| April 15, 16 | April 23, 24 | $630 |
| May 7 | May 16 | $630 |
| Aug. 10, 12, 13 | Aug. 21, 22 | $630 |
| Sept. 17 | Sept. 23, 24, 25, 26 | $630 |
| Oct. 26, 27, 28, 29 | Nov. 6, 7 | $511 |
| Nov. 18 | Nov. 27 | $511 |
Flight deals are accurate and available at time of publication. Sale fares disappear quickly – if it’s been more than 24-72 hours since this deal was posted or updated, chances are it’s no longer available.
Flight deal information
| Airline(s): | Iberia |
| Rating: | 4 stars |
| Origin: | IAD |
| Destination: | MAD |
| Stops: | nonstop |
| Fare type: | Economy Basic |
| Carry-on bags: | 1 |
| Checked bags: | 0 |
| Seat selection: | For a fee |
| Changes: | Not allowed |
| Refunds / Cancellation: | Not allowed |
| Fare (ticket price): | $511 – $630 |
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