Delta SkyMiles award flights from Ontario, California (ONT) to Lisbon (LIS)
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In the last 30 days AwardTool saw Delta SkyMiles award space for ONT→LIS in economy, premium economy and first class. Lowest economy: 45,000 miles + $24.10 (economy space on 33 dates). Lowest first class: 125,000 miles + $5.60 (first-class space on 32 dates). Lowest premium economy: 75,000 miles + $5.60 (premium economy space on 33 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 45,000 miles + $24.10
- economy space on 33 dates
- Lowest first class
- 125,000 miles + $5.60
- first-class space on 32 dates
- Lowest premium economy
- 75,000 miles + $5.60
- premium economy space on 33 dates
SkyMiles award prices by cabin
The lowest one-way Delta SkyMiles award AwardTool observed on ONT→LIS in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 45,000 miles + $24.10 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 9+ | 33 | See dates | |
| Premium Economy | 75,000 miles + $5.60 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 8 | 33 | See dates | |
| First | 125,000 miles + $5.60 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 5 | 32 | See dates |
Not seen means AwardTool hasn't observed this cabin on this route in the last 30 days. It doesn't mean the airline has no seats. Dates seen counts departure dates with an open award in that cabin at any price; newest observation is the latest time AwardTool saw one of them. Seats is the count the program reported when we observed it; some programs report at most 9.
Observed SkyMiles award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 45,900 miles + $5.60 | 9+ | 2 stops | Check this date | ||
| Economy | 45,900 miles + $5.60 | 9+ | 2 stops | Check this date | ||
| Economy | 45,900 miles + $5.60 | 9+ | 2 stops | Check this date | ||
| Premium Economy | 75,000 miles + $5.60 | 8 | 2 stops | Check this date | ||
| Premium Economy | 75,000 miles + $5.60 | 7 | 2 stops | Check this date | ||
| Premium Economy | 75,000 miles + $5.60 | 7 | 2 stops | Check this date | ||
| First | 125,000 miles + $5.60 | 5 | 2 stops | Check this date | ||
| First | 125,000 miles + $5.60 | 2 | 2 stops | Check this date |
Prices are one-way per traveler: the program's points or miles plus taxes and carrier fees in USD, as AwardTool observed them in the observation window. Award space changes constantly. A seat we saw may be gone, and space we haven't seen may exist. Always confirm with a live search before transferring points; most transfers can't be reversed.
How often SkyMiles award space showed up
Departure dates in the next 365 days that AwardTool checked for Delta SkyMiles in the last 30 days, how many had award space in each cabin at any price, and the latest departure with space.
| Cabin | Dates with space | Share of dates checked | Latest departure with space |
|---|---|---|---|
| Economy | 33 of 34 | 97% | |
| Premium Economy | 33 of 34 | 97% | |
| First | 32 of 34 | 94% |
Best months to fly from Ontario, California (ONT) to Lisbon (LIS) with SkyMiles
| Month | Economy | Premium Economy | First |
|---|---|---|---|
| 45,900 (22 dates) | 75,000 (22 dates) | 125,000 (22 dates) | |
| 45,000 (7 dates) | 191,500 (7 dates) | 367,000 (6 dates) | |
| 45,100 (4 dates) | 289,800 (4 dates) | 654,500 (4 dates) |
How to get SkyMiles
- American Express Membership Rewards: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
SkyMiles vs other programs from Ontario, California (ONT) to Lisbon (LIS)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 49,463 pts + $89.21 | 84,405 pts + $83.61 | 155,307 pts + $89.21Mixed cabin | — |
| Air France/KLM Flying Blue | 44,000 pts + $38.00 | — | — | — |
| Alaska Atmos Rewards | 35,000 pts + $25.60 | 45,000 pts + $25.60 | 70,000 pts + $1,024.80LowestMixed cabin | 250,000 pts + $44.80 |
| American Airlines AAdvantage | 21,000 pts + $5.60Lowest | 40,000 pts + $558.60Lowest | 175,000 pts + $5.60 | — |
| Delta SkyMiles | 45,000 pts + $24.10 | 75,000 pts + $5.60 | — | 125,000 pts + $5.60Lowest |
| Qantas Frequent Flyer | 57,300 pts + $346.20 | — | — | — |
| United MileagePlus | 40,000 pts + $5.60 | 50,000 pts + $5.60 | 186,100 pts + $5.60 | 186,100 pts + $5.60 |
Questions about SkyMiles award flights from Ontario, California (ONT) to Lisbon (LIS)
How many miles do you need to fly from Ontario, California (ONT) to Lisbon (LIS) with Delta SkyMiles?
The lowest one-way Delta SkyMiles awards AwardTool observed in the last 30 days (newest observation Oct 15, 2026): economy 45,000 miles + $24.10, with a typical monthly low of 45,100 miles over 3 months and award space on 33 departure dates; premium economy 75,000 miles + $5.60, with a typical monthly low of 191,500 miles over 3 months and award space on 33 departure dates; first class 125,000 miles + $5.60, with a typical monthly low of 367,000 miles over 3 months and award space on 32 departure dates. Monthly lows varied in economy (45,000 to 45,900 miles), premium economy (75,000 to 289,800 miles) and first class (125,000 to 654,500 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest SkyMiles award from Ontario, California (ONT) to Lisbon (LIS)?
In economy, 45,000 miles + $24.10. Delta SkyMiles showed economy award space on 33 departure dates at any price (newest observation Oct 15, 2026, 13:22 UTC). In first class, 125,000 miles + $5.60. Seen Oct 1, 2026, 04:44 UTC for a Dec 4, 2026 departure. Delta SkyMiles showed first-class award space on 32 departure dates at any price (newest observation Oct 15, 2026, 13:22 UTC). Search live before transferring points.
Can you book nonstop awards from Ontario, California (ONT) to Lisbon (LIS) with SkyMiles?
AwardTool hasn't observed nonstop Delta SkyMiles award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which credit card points can book SkyMiles awards from Ontario, California (ONT) to Lisbon (LIS)?
American Express Membership Rewards (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest SkyMiles award prices from Ontario, California (ONT) to Lisbon (LIS)?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers, the lowest economy award AwardTool observed was for Mar 2027 departures: 45,000 miles (7 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.