United MileagePlus award flights from London Heathrow (LHR) to Washington Dulles (IAD)
In the last 30 days AwardTool saw United MileagePlus award space for LHR→IAD in economy, premium economy and business class. Lowest economy: 35,000 miles + $220.49 (economy space on 320 dates). Lowest business class: 80,000 miles + $408.49 (business-class space on 320 dates). Lowest premium economy: 50,000 miles + $408.09 (premium economy space on 320 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 16, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 35,000 miles + $220.49
- economy space on 320 dates
- Lowest business class
- 80,000 miles + $408.49
- business-class space on 320 dates
- Lowest premium economy
- 50,000 miles + $408.09
- premium economy space on 320 dates
MileagePlus award prices by cabin
The lowest one-way United MileagePlus award AwardTool observed on LHR→IAD in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 35,000 miles + $220.49 | Nonstop | Air Canada (AC), ITA Airways (AZ), JetBlue (B6), Aer Lingus (EI) +8 more | 2 | 320 | See dates | |
| Premium Economy | 50,000 miles + $408.09 | Nonstop | ITA Airways (AZ), Aer Lingus (EI), Lufthansa (LH), SWISS (LX) +4 more | 9+ | 320 | See dates | |
| Business | 80,000 miles + $408.49 | Nonstop | Air Canada (AC), ITA Airways (AZ), JetBlue (B6), Aer Lingus (EI) +8 more | 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 MileagePlus award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 35,000 miles + $220.49 | 2 | Nonstop | Check this date | ||
| Economy | 35,000 miles + $220.69 | 9+ | Nonstop | Check this date | ||
| Economy | 35,000 miles + $220.49 | 9+ | Nonstop | Check this date | ||
| Premium Economy | 50,000 miles + $408.09 | 9+ | Nonstop | Check this date | ||
| Premium Economy | 50,000 miles + $408.49 | 9+ | Nonstop | Check this date | ||
| Premium Economy | 50,000 miles + $408.09 | 9+ | Nonstop | Check this date | ||
| Business | 80,000 miles + $414.09 | 2 | 1 stop | Check this date | ||
| Business | 80,000 miles + $408.49 | 1 | Nonstop | 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 MileagePlus award space showed up
Departure dates in the next 365 days that AwardTool checked for United MileagePlus 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 | 320 of 320 | 100% | |
| Premium Economy | 320 of 320 | 100% | |
| Business | 320 of 320 | 100% |
Best months to fly from London Heathrow (LHR) to Washington Dulles (IAD) with MileagePlus
| Month | Economy | Premium Economy | Business |
|---|---|---|---|
| 40,000 (16 dates) | 50,000 (16 dates) | 88,000 (16 dates) | |
| 35,000 (30 dates) | 50,000 (30 dates) | 80,000 (30 dates) | |
| 35,000 (31 dates) | 50,000 (31 dates) | 80,000 (31 dates) | |
| 36,000 (31 dates) | 50,000 (31 dates) | 80,000 (31 dates) | |
| 36,000 (28 dates) | 50,000 (28 dates) | 80,000 (28 dates) | |
| 36,100 (31 dates) | 50,000 (31 dates) | 88,000 (31 dates) | |
| 36,000 (30 dates) | 50,000 (30 dates) | 88,000 (30 dates) | |
| 36,000 (31 dates) | 50,000 (31 dates) | 88,000 (31 dates) | |
| 36,000 (30 dates) | 50,000 (30 dates) | 88,000 (30 dates) | |
| 37,500 (31 dates) | 50,000 (31 dates) | 200,000 (31 dates) | |
| 36,000 (31 dates) | 50,000 (31 dates) | 88,000 (31 dates) |
How to get MileagePlus miles
- Bilt Rewards: 1:1 · Instant
- Chase Ultimate Rewards: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
MileagePlus vs other programs from London Heathrow (LHR) to Washington Dulles (IAD)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Aeromexico Club Premier | 77,800 pts + $307.56 | — | 225,000 pts + $493.30 | — |
| Air Canada Aeroplan | 35,190 pts + $280.54 | 57,130 pts + $454.00 | 75,000 pts + $458.40 | 80,000 pts + $488.60 |
| Air France/KLM Flying Blue | 21,875 pts + $267.39 | 35,440 pts + $585.59 | 60,000 pts + $785.59 | — |
| Alaska Atmos Rewards | 22,500 pts + $208.99 | 35,000 pts + $434.39 | 45,000 pts + $397.09Mixed cabin | 55,000 pts + $434.19Lowest |
| American Airlines AAdvantage | 21,000 pts + $235.49 | 40,000 pts + $699.19 | 57,500 pts + $505.19 | 85,000 pts + $1,111.29 |
| Avianca LifeMiles | 40,000 pts + $58.00 | — | 80,000 pts + $248.03 | — |
| Delta SkyMiles | 41,000 pts + $229.70 | 92,000 pts + $420.91 | 265,000 pts + $425.77Mixed cabin | 265,000 pts + $425.77 |
| Etihad Guest | 51,000 pts + $253.99 | — | 65,000 pts + $467.19Mixed cabin | — |
| Qantas Frequent Flyer | 29,000 pts + $515.30 | 67,400 pts + $1,047.18 | 77,600 pts + $1,632.46Mixed cabin | 129,200 pts + $1,130.53 |
| Qatar Airways Privilege Club | 27,500 pts + taxes not reported | — | 88,000 pts + taxes not reported | 75,000 pts + taxes not reported |
| SAS EuroBonus | 30,000 pts + $203.89 | 45,000 pts + $394.19 | 60,000 pts + $391.89 | — |
| TAP Air Portugal Miles&Go | 19,000 pts + $297.80 | — | 190,000 pts + $507.38 | — |
| Turkish Miles & Smiles | 55,000 pts + taxes not reported | — | 90,000 pts + taxes not reported | — |
| United MileagePlus | 35,000 pts + $220.49 | 50,000 pts + $408.09 | 80,000 pts + $408.49 | — |
| Virgin Atlantic Flying Club | 6,000 pts + $327.87Lowest | 10,500 pts + $630.84Lowest | 29,000 pts + $970.30Lowest | — |
| Virgin Australia Velocity | 30,000 pts + $211.43 | — | 62,000 pts + $403.42 | — |
Questions about MileagePlus award flights from London Heathrow (LHR) to Washington Dulles (IAD)
How many miles do you need to fly from London Heathrow (LHR) to Washington Dulles (IAD) with United MileagePlus?
The lowest one-way United MileagePlus awards AwardTool observed in the last 30 days (newest observation Oct 16, 2026): economy 35,000 miles + $220.49, with a typical monthly low of 36,000 miles over 11 months and award space on 320 departure dates; premium economy 50,000 miles + $408.09, the lowest price in each of 11 months, with award space on 320 departure dates; business class 80,000 miles + $408.49, with a typical monthly low of 88,000 miles over 11 months and award space on 320 departure dates. Monthly lows varied in economy (35,000 to 40,000 miles) and business class (80,000 to 200,000 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest MileagePlus award from London Heathrow (LHR) to Washington Dulles (IAD)?
In economy, 35,000 miles + $220.49. Seen Oct 14, 2026, 17:07 UTC for a Nov 13, 2026 departure. United MileagePlus showed economy award space on 320 departure dates at any price (newest observation Oct 16, 2026, 05:11 UTC). In business class, 80,000 miles + $408.49. Seen Oct 6, 2026, 03:53 UTC for a Nov 26, 2026 departure. United MileagePlus showed business-class award space on 320 departure dates at any price (newest observation Oct 16, 2026, 05:11 UTC). Search live before transferring points.
Can you book nonstop awards from London Heathrow (LHR) to Washington Dulles (IAD) with MileagePlus?
Yes. AwardTool observed nonstop United MileagePlus award space in premium economy and business class, and in economy from 35,000 miles.
Which credit card points can book MileagePlus awards from London Heathrow (LHR) to Washington Dulles (IAD)?
Bilt Rewards (1:1, Instant) and Chase Ultimate Rewards (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest MileagePlus award prices from London Heathrow (LHR) to Washington Dulles (IAD)?
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: 35,000 miles (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.