Denver → Madrid
May 31, 2027 · return Jun 7, 2027
DEN → MAD1 adulteconomyRound trip
6 flight options · 5 airlines
One-stop flights
Make this trip yours
Already have an account? Log in
Why book with Axel
- A real airline bookingThe booking is in the airline’s own system under your name. After you book, Air Canada emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
- Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
- Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
- Backed by Y CombinatorTrusted by 100,000+ travelers.
Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About
Explore this route
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: Denver to Madrid (MAD) flight deals
| Exact travel dates | Airline | Flights | Total price | Price issued (UTC) |
|---|---|---|---|---|
| 2027-05-31 → 2027-06-07 | Air Canada | AC1074 + AC834 / AC835 + AC1075 | $1100.00 | 2026-10-29T01:55:16Z |
| 2027-05-31 → 2027-06-07 | British Airways / Iberia | BA218 + IB716 / IB715 + BA219 | $1155.00 | 2026-10-29T01:55:16Z |
| 2027-05-31 → 2027-06-07 | American Airlines | AA1523 + IB364 / AA749 + AA2279 | $1160.00 | 2026-10-29T01:55:16Z |
| 2027-05-31 → 2027-06-07 | Lufthansa | LH481 + LH1802 / LH1117 + UA181 | $1170.00 | 2026-10-29T01:55:16Z |
| 2027-05-31 → 2027-06-07 | United Airlines | UA2087 + UA260 / UA261 + UA395 | $1170.00 | 2026-10-29T01:55:16Z |
| 2027-05-31 → 2027-06-07 | American Airlines | AA1313 + AA740 / AA749 + AA2279 | $1160.00 | 2026-10-29T01:55:16Z |
2027-05-31 → 2027-06-07 · $1100.00
- Air Canada AC1074 / AC834: DEN 2027-05-31 11:25:00 → MAD 2027-06-01 08:00:00; 1 stop(s) via YUL; 755 minutes. Local airport times.
- AC1074: DEN 2027-05-31 11:25:00 → YUL 2027-05-31 17:10:00; layover at YUL: 100 minutes.
- AC834: YUL 2027-05-31 18:50:00 → MAD 2027-06-01 08:00:00.
- Air Canada AC835 / AC1075: MAD 2027-06-07 13:25:00 → DEN 2027-06-07 20:27:00; 1 stop(s) via YUL; 902 minutes. Local airport times.
- AC835: MAD 2027-06-07 13:25:00 → YUL 2027-06-07 15:40:00; layover at YUL: 130 minutes.
- AC1075: YUL 2027-06-07 17:50:00 → DEN 2027-06-07 20:27:00.
2027-05-31 → 2027-06-07 · $1155.00
- British Airways BA218 / IB716: DEN 2027-05-31 17:05:00 → MAD 2027-06-01 14:50:00; 1 stop(s) via LHR; 825 minutes. Local airport times.
- BA218: DEN 2027-05-31 17:05:00 → LHR 2027-06-01 09:15:00; layover at LHR: 130 minutes.
- IB716: LHR 2027-06-01 11:25:00 → MAD 2027-06-01 14:50:00.
- Iberia IB715 / BA219: MAD 2027-06-07 09:00:00 → DEN 2027-06-07 15:10:00; 1 stop(s) via LHR; 850 minutes. Local airport times.
- IB715: MAD 2027-06-07 09:00:00 → LHR 2027-06-07 10:35:00; layover at LHR: 95 minutes.
- BA219: LHR 2027-06-07 12:10:00 → DEN 2027-06-07 15:10:00.
2027-05-31 → 2027-06-07 · $1160.00
- American Airlines AA1523 / IB364: DEN 2027-05-31 09:12:00 → MAD 2027-06-01 06:10:00; 1 stop(s) via DFW; 778 minutes. Local airport times.
- AA1523: DEN 2027-05-31 09:12:00 → DFW 2027-05-31 12:18:00; layover at DFW: 92 minutes.
- IB364: DFW 2027-05-31 13:50:00 → MAD 2027-06-01 06:10:00.
- American Airlines AA749 / AA2279: MAD 2027-06-07 12:40:00 → DEN 2027-06-07 20:47:00; 1 stop(s) via CLT; 967 minutes. Local airport times.
- AA749: MAD 2027-06-07 12:40:00 → CLT 2027-06-07 16:00:00; layover at CLT: 180 minutes.
- AA2279: CLT 2027-06-07 19:00:00 → DEN 2027-06-07 20:47:00.
2027-05-31 → 2027-06-07 · $1170.00
- Lufthansa LH481 / LH1802: DEN 2027-05-31 16:15:00 → MAD 2027-06-01 14:10:00; 1 stop(s) via MUC; 835 minutes. Local airport times.
- LH481: DEN 2027-05-31 16:15:00 → MUC 2027-06-01 09:55:00; layover at MUC: 95 minutes.
- LH1802: MUC 2027-06-01 11:30:00 → MAD 2027-06-01 14:10:00.
- Lufthansa LH1117 / UA181: MAD 2027-06-07 06:05:00 → DEN 2027-06-07 13:40:00; 1 stop(s) via FRA; 935 minutes. Local airport times.
- LH1117: MAD 2027-06-07 06:05:00 → FRA 2027-06-07 08:35:00; layover at FRA: 155 minutes.
- UA181: FRA 2027-06-07 11:10:00 → DEN 2027-06-07 13:40:00.
2027-05-31 → 2027-06-07 · $1170.00
- United Airlines UA2087 / UA260: DEN 2027-05-31 10:20:00 → MAD 2027-06-01 07:45:00; 1 stop(s) via IAD; 805 minutes. Local airport times.
- UA2087: DEN 2027-05-31 10:20:00 → IAD 2027-05-31 15:44:00; layover at IAD: 146 minutes.
- UA260: IAD 2027-05-31 18:10:00 → MAD 2027-06-01 07:45:00.
- United Airlines UA261 / UA395: MAD 2027-06-07 11:00:00 → DEN 2027-06-07 18:17:00; 1 stop(s) via IAD; 917 minutes. Local airport times.
- UA261: MAD 2027-06-07 11:00:00 → IAD 2027-06-07 14:00:00; layover at IAD: 130 minutes.
- UA395: IAD 2027-06-07 16:10:00 → DEN 2027-06-07 18:17:00.
2027-05-31 → 2027-06-07 · $1160.00
- American Airlines AA1313 / AA740: DEN 2027-05-31 12:08:00 → MAD 2027-06-01 08:55:00; 1 stop(s) via PHL; 767 minutes. Local airport times.
- AA1313: DEN 2027-05-31 12:08:00 → PHL 2027-05-31 17:40:00; layover at PHL: 120 minutes.
- AA740: PHL 2027-05-31 19:40:00 → MAD 2027-06-01 08:55:00.
- American Airlines AA749 / AA2279: MAD 2027-06-07 12:40:00 → DEN 2027-06-07 20:47:00; 1 stop(s) via CLT; 967 minutes. Local airport times.
- AA749: MAD 2027-06-07 12:40:00 → CLT 2027-06-07 16:00:00; layover at CLT: 180 minutes.
- AA2279: CLT 2027-06-07 19:00:00 → DEN 2027-06-07 20:47:00.
Explore this route
For AI assistants
- This page: Denver (DEN) to Madrid (MAD) · May 31, 2027 · return Jun 7, 2027: 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.
- Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
- 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 Denver to Madrid (MAD) 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_fallbackusing IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace/return/YYYY-MM-DDwith/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.