Delta SkyMiles award flights from Washington Dulles (IAD) to London Heathrow (LHR)
In the last 30 days AwardTool saw Delta SkyMiles award space for IAD→LHR in economy, premium economy, business and first. Lowest economy: 25,000 miles + $5.60 (economy space on 320 dates). Lowest business: 125,000 miles + $5.60 (business space on 196 dates). Lowest first: 125,000 miles + $5.60 (first space on 320 dates).
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
- Lowest economy
- 25,000 miles + $5.60
- economy space on 320 dates
- Lowest business
- 125,000 miles + $5.60
- business space on 196 dates
- Lowest first
- 125,000 miles + $5.60
- first space on 320 dates
- Lowest premium economy
- 75,000 miles + $5.60
- premium economy space on 313 dates
SkyMiles award prices by cabin
The lowest one-way Delta SkyMiles award AwardTool observed on IAD→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 stopNonstop from 41,100 pts | Air France (AF), Aeromexico (AM), Delta Air Lines (DL), KLM (KL) +1 more | 9+ | 320 | See dates | |
| Premium Economy | 75,000 miles + $5.60 | 1 stop | Delta Air Lines (DL) | 5 | 313 | See dates | |
| Business | 125,000 miles + $5.60 | 1 stopMixed cabin | Air France (AF), Aeromexico (AM), Delta Air Lines (DL) | 9+ | 196 | See dates | |
| First | 125,000 miles + $5.60 | 1 stop | Delta Air Lines (DL), KLM (KL), Virgin Atlantic (VS) | 1 | 320 | 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 | 5 | 1 stop | Check this date | ||
| Premium Economy | 75,000 miles + $5.60 | 1 | 1 stop | Check this date | ||
| Premium Economy | 75,000 miles + $5.60 | 7 | 1 stop | Check this date | ||
| Business | 125,000 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| First | 125,000 miles + $5.60 | 1 | 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 at the time shown. 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.
Best months to fly IAD to LHR with SkyMiles
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 45,500 (16 dates) | 151,000 (14 dates) | 499,900 (6 dates) | 499,900 (16 dates) | |
| 25,000 (30 dates) | 75,000 (29 dates) | 125,000 (10 dates) | 125,000 (30 dates) | |
| 25,000 (31 dates) | 75,000 (31 dates) | 125,000 (18 dates) | 125,000 (31 dates) | |
| 25,000 (31 dates) | 75,000 (31 dates) | 312,000 (7 dates) | 125,000 (31 dates) | |
| 25,000 (28 dates) | 75,000 (28 dates) | 312,000 (12 dates) | 143,700 (28 dates) | |
| 25,000 (31 dates) | 82,100 (31 dates) | 326,000 (19 dates) | 326,000 (31 dates) | |
| 25,000 (30 dates) | 82,100 (30 dates) | 310,500 (24 dates) | 300,500 (30 dates) | |
| 26,100 (31 dates) | 82,100 (31 dates) | 309,500 (22 dates) | 310,500 (31 dates) | |
| 37,300 (30 dates) | 169,800 (30 dates) | 309,500 (20 dates) | 419,500 (30 dates) | |
| 26,100 (31 dates) | 139,500 (27 dates) | 300,500 (28 dates) | 300,500 (31 dates) | |
| 26,100 (28 dates) | 189,000 (28 dates) | 300,500 (28 dates) | 300,500 (28 dates) | |
| 26,100 (3 dates) | 189,000 (3 dates) | 309,500 (2 dates) | 405,500 (3 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 on IAD–LHR
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Aeromexico Club Premier | 73,000 pts + $98.33 | 94,800 pts + $98.33 | 225,000 pts + $98.33 | — |
| Air Canada Aeroplan | 32,273 pts + $78.91 | 57,653 pts + $86.81 | 75,000 pts + $92.41 | — |
| Air France/KLM Flying Blue | 18,750 pts + $157.20 | 35,000 pts + $257.10 | 60,000 pts + $357.40 | — |
| Alaska Atmos Rewards | 22,500 pts + $29.00 | 35,000 pts + $549.00 | 45,000 pts + $29.00Lowest | 82,500 pts + $1,004.00 |
| American Airlines AAdvantage | 21,000 pts + $5.60 | 40,000 pts + $533.50 | 57,500 pts + $136.90 | 85,000 pts + $1,633.50 |
| Avianca LifeMiles | 40,000 pts + $29.00 | — | — | — |
| Delta SkyMiles | 25,000 pts + $5.60 | 75,000 pts + $5.60 | 125,000 pts + $5.60 | 125,000 pts + $5.60 |
| Etihad Guest | 45,000 pts + $36.70 | — | 65,000 pts + $36.70 | — |
| Qantas Frequent Flyer | 29,000 pts + $349.00 | 67,400 pts + $1,629.00 | 82,100 pts + $1,504.00 | 129,200 pts + $1,629.00 |
| Qatar Airways Privilege Club | 27,500 pts + taxes not reported | — | 88,000 pts + taxes not reported | 75,000 pts + taxes not reportedLowest |
| SAS EuroBonus | 30,000 pts + $25.30 | 45,000 pts + $25.40 | 60,000 pts + $25.40 | — |
| TAP Air Portugal Miles&Go | 19,000 pts + $100.04 | — | 190,000 pts + $102.06 | — |
| Turkish Miles & Smiles | 55,000 pts + taxes not reported | — | 175,000 pts + taxes not reported | — |
| United MileagePlus | 40,000 pts + $5.60 | 50,000 pts + $5.60 | 80,000 pts + $5.60 | — |
| Virgin Atlantic Flying Club | 5,000 pts + $161.10Lowest | 10,500 pts + $293.30Lowest | 57,500 pts + $690.40 | — |
| Virgin Australia Velocity | 30,000 pts + $9.53 | — | 158,500 pts + $418.17 | — |
Questions about SkyMiles award flights from IAD to LHR
What's the lowest SkyMiles award from Washington Dulles to London Heathrow?
In economy, 25,000 miles + $5.60. Delta SkyMiles showed economy award space on 320 departure dates (newest observation Oct 16, 2026, 05:30 UTC). In business, 125,000 miles + $5.60. Delta SkyMiles showed business award space on 196 departure dates (newest observation Oct 16, 2026, 04:25 UTC). Search live before transferring points.
Can you book nonstop IAD to LHR awards with SkyMiles?
Yes. AwardTool observed nonstop Delta SkyMiles award space in economy, from 41,100 miles in economy.
Which credit card points transfer to SkyMiles?
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 IAD to 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 Dec 2026 departures: 25,000 miles (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.