Delta SkyMiles award flights from St. Louis (STL) to London Heathrow (LHR)
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In the last 30 days AwardTool saw Delta SkyMiles award space for STL→LHR in economy, premium economy, business class and first class. Lowest economy: 25,000 miles + $5.60 (economy space on 70 dates). Lowest business class: 125,000 miles + $5.60 on a mixed-cabin itinerary (part of the trip in a lower cabin; business-class space on 41 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 25,000 miles + $5.60
- economy space on 70 dates
- Lowest business class (mixed cabin)
- 125,000 miles + $5.60
- business-class space on 41 dates · part of the trip in a lower cabin
- Lowest first class
- 125,000 miles + $5.60
- first-class space on 70 dates
- Lowest premium economy
- 75,000 miles + $5.60
- premium economy space on 70 dates
SkyMiles award prices by cabin
The lowest one-way Delta SkyMiles award AwardTool observed on STL→LHR in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 25,000 miles + $5.60 | 1 stop | Delta Air Lines (DL), Virgin Atlantic (VS) | 9+ | 70 | See dates | |
| Premium Economy | 75,000 miles + $5.60 | 1 stop | Delta Air Lines (DL) | 4 | 70 | See dates | |
| Business | 125,000 miles + $5.60Mixed cabin | 1 stop | Delta Air Lines (DL), Virgin Atlantic (VS) | 4 | 41 | See dates | |
| First | 125,000 miles + $5.60 | 1 stop | Delta Air Lines (DL), Virgin Atlantic (VS) | 3 | 70 | 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 | 25,000 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Economy | 25,000 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Economy | 25,000 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Premium Economy | 75,000 miles + $5.60 | 4 | 1 stop | Check this date | ||
| Premium Economy | 75,000 miles + $5.60 | 4 | 1 stop | Check this date | ||
| Premium Economy | 75,000 miles + $5.60 | 7 | 1 stop | Check this date | ||
| Business | 125,000 miles + $5.60Mixed cabin | 4 | 1 stop | Check this date | ||
| First | 125,000 miles + $5.60 | 5 | 1 stop | 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 | 70 of 70 | 100% | |
| Premium Economy | 70 of 70 | 100% | |
| Business | 41 of 70 | 58% | |
| First | 70 of 70 | 100% |
Best months to fly from St. Louis (STL) to London Heathrow (LHR) with SkyMiles
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 25,000 (10 dates) | 75,000 (10 dates) | 125,000 (3 dates)Mixed cabin | 125,000 (10 dates) | |
| 25,000 (17 dates) | 75,000 (17 dates) | 499,900 (7 dates) | 125,000 (17 dates) | |
| 25,000 (6 dates) | 167,300 (6 dates) | 380,800 (3 dates) | 365,500 (6 dates) | |
| 25,000 (16 dates) | 75,000 (16 dates) | 336,700 (7 dates) | 330,800 (16 dates) | |
| 25,000 (1 date) | 97,100 (1 date) | 358,300 (1 date) | 358,300 (1 date) | |
| 28,400 (3 dates) | 91,600 (3 dates) | 430,800 (3 dates) | 325,800 (3 dates) | |
| 28,400 (5 dates) | 176,600 (5 dates) | 455,800 (5 dates) | 350,800 (5 dates) | |
| 52,100 (10 dates) | 255,900 (10 dates) | 460,800 (10 dates) | 360,700 (10 dates) | |
| 38,300 (2 dates) | 204,800 (2 dates) | 451,900 (2 dates) | 341,500 (2 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 St. Louis (STL) to London Heathrow (LHR)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 40,000 pts + $75.61 | 69,452 pts + $59.41 | 75,000 pts + $120.31 | 485,012 pts + $83.61Mixed cabin |
| Air France/KLM Flying Blue | 30,000 pts + $38.00 | 57,730 pts + $161.40 | 98,000 pts + $243.40 | — |
| Alaska Atmos Rewards | 27,500 pts + $25.60 | 35,000 pts + $549.00Lowest | 55,000 pts + $1,004.00Lowest | 55,000 pts + $25.60Lowest |
| American Airlines AAdvantage | 21,000 pts + $5.60 | 40,000 pts + $533.50 | 57,500 pts + $733.50 | 85,000 pts + $1,638.00Mixed cabin |
| Avianca LifeMiles | 40,000 pts + $26.70 | — | — | — |
| Delta SkyMiles | 25,000 pts + $5.60 | 75,000 pts + $5.60 | 125,000 pts + $5.60Mixed cabin | 125,000 pts + $5.60 |
| Etihad Guest | 51,000 pts + $38.00 | — | 99,999 pts + $38.00 | — |
| GOL Smiles | 11,700 pts + taxes not reported | 551,200 pts + taxes not reported | — | — |
| JetBlue TrueBlue | 24,000 pts + $160.00 | — | 136,100 pts + $160.00 | — |
| Lufthansa Miles & More | 10,760 pts + $336.80Lowest | — | 96,812 pts + $1,498.70 | — |
| Qantas Frequent Flyer | 29,000 pts + $349.00 | 64,400 pts + $1,629.00 | 82,100 pts + $1,504.00 | — |
| United MileagePlus | 39,300 pts + $5.60 | 50,000 pts + $5.60 | 88,000 pts + $22.50Mixed cabin | — |
| Virgin Atlantic Flying Club | 20,000 pts + $319.00 | — | — | — |
| Virgin Australia Velocity | 30,000 pts + $9.46 | — | — | — |
Questions about SkyMiles award flights from St. Louis (STL) to London Heathrow (LHR)
How many miles do you need to fly from St. Louis (STL) to London Heathrow (LHR) with Delta SkyMiles?
The lowest one-way Delta SkyMiles awards AwardTool observed in the last 30 days (newest observation Oct 19, 2026): economy 25,000 miles + $5.60, with a typical monthly low of 25,000 miles over 9 months and award space on 70 departure dates; premium economy 75,000 miles + $5.60, with a typical monthly low of 97,100 miles over 9 months and award space on 70 departure dates; business class 125,000 miles + $5.60, a mixed-cabin award, with a typical monthly low of 430,800 miles over 9 months and award space on 41 departure dates; first class 125,000 miles + $5.60, with a typical monthly low of 341,500 miles over 9 months and award space on 70 departure dates. Monthly lows varied in economy (25,000 to 52,100 miles), premium economy (75,000 to 255,900 miles), business class (125,000 to 499,900 miles) and first class (125,000 to 365,500 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest SkyMiles award from St. Louis (STL) to London Heathrow (LHR)?
In economy, 25,000 miles + $5.60. Seen Sep 30, 2026, 16:54 UTC for an Oct 23, 2026 departure. Delta SkyMiles showed economy award space on 70 departure dates at any price (newest observation Oct 19, 2026, 21:46 UTC). In business class, 125,000 miles + $5.60 on a mixed-cabin itinerary (part of the trip in a lower cabin). Seen Oct 7, 2026, 20:00 UTC for an Oct 25, 2026 departure. Delta SkyMiles showed business-class award space on 41 departure dates at any price (newest observation Oct 19, 2026, 21:46 UTC). Search live before transferring points.
Can you book nonstop awards from St. Louis (STL) to London Heathrow (LHR) 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 St. Louis (STL) to London Heathrow (LHR)?
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 St. Louis (STL) to London Heathrow (LHR)?
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 Nov 2026 departures: 25,000 miles (17 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.