United MileagePlus award flights from Washington National (DCA) to London Heathrow (LHR)
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In the last 30 days AwardTool saw United MileagePlus award space for DCA→LHR in economy, premium economy, business class and first class. Lowest economy: 37,300 miles + $5.60 (economy space on 94 dates). Lowest business class: 88,000 miles + $22.50 on a mixed-cabin itinerary (part of the trip in a lower cabin; business-class space on 94 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 37,300 miles + $5.60
- economy space on 94 dates
- Lowest business class (mixed cabin)
- 88,000 miles + $22.50
- business-class space on 94 dates · part of the trip in a lower cabin
- Lowest first class
- 200,000 miles + $5.60
- first-class space on 29 dates
- Lowest premium economy
- 50,000 miles + $5.60
- premium economy space on 94 dates
MileagePlus award prices by cabin
The lowest one-way United MileagePlus award AwardTool observed on DCA→LHR in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 37,300 miles + $5.60 | 1 stop | Air Canada (AC), ITA Airways (AZ), JetBlue (B6), Aer Lingus (EI) +8 more | 9+ | 94 | See dates | |
| Premium Economy | 50,000 miles + $5.60 | 1 stop | ITA Airways (AZ), JetBlue (B6), Aer Lingus (EI), Lufthansa (LH) +5 more | 2 | 94 | See dates | |
| Business | 88,000 miles + $22.50Mixed cabin | 2 stops | Air Canada (AC), ITA Airways (AZ), JetBlue (B6), Aer Lingus (EI) +8 more | 1 | 94 | See dates | |
| First | 200,000 miles + $5.60 | 2 stops | United Airlines (UA) | 5 | 29 | 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 | 37,300 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Economy | 37,300 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Economy | 40,000 miles + $5.60 | 2 | 1 stop | Check this date | ||
| Premium Economy | 50,000 miles + $5.60 | 2 | 1 stop | Check this date | ||
| Premium Economy | 50,000 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Premium Economy | 50,000 miles + $5.60 | 7 | 1 stop | Check this date | ||
| Business | 88,000 miles + $25.60Mixed cabin | 3 | 2 stops | Check this date | ||
| First | 200,000 miles + $5.60 | 8 | 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 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 | 94 of 94 | 100% | |
| Premium Economy | 94 of 94 | 100% | |
| Business | 94 of 94 | 100% | |
| First | 29 of 94 | 30% |
Best months to fly from Washington National (DCA) to London Heathrow (LHR) with MileagePlus
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 40,000 (9 dates) | 50,000 (9 dates) | 88,000 (9 dates)Mixed cabin | 200,000 (2 dates) | |
| 37,300 (14 dates) | 50,000 (14 dates) | 88,000 (14 dates)Mixed cabin | 200,000 (10 dates) | |
| 40,000 (23 dates) | 50,000 (23 dates) | 88,000 (23 dates)Mixed cabin | 200,000 (13 dates) | |
| 40,000 (4 dates) | 50,000 (4 dates) | 88,000 (4 dates)Mixed cabin | 392,300 (2 dates) | |
| 37,300 (7 dates) | 50,000 (7 dates) | 88,000 (7 dates)Mixed cabin | 337,700 (2 dates) | |
| 40,000 (5 dates) | 50,000 (5 dates) | 200,000 (5 dates) | — | |
| 40,000 (1 date) | 124,600 (1 date) | 200,000 (1 date) | — | |
| 40,000 (3 dates) | 110,700 (3 dates) | 200,000 (3 dates) | — | |
| 59,400 (12 dates) | 138,900 (12 dates) | 200,000 (12 dates) | — | |
| 40,000 (12 dates) | 124,600 (12 dates) | 200,000 (12 dates) | — | |
| 40,000 (4 dates) | 110,700 (4 dates) | 200,000 (4 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 Washington National (DCA) to London Heathrow (LHR)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 32,273 pts + $78.81 | 58,119 pts + $56.41 | 241,899 pts + $83.91Mixed cabin | — |
| Air France/KLM Flying Blue | 26,250 pts + $95.00 | 44,915 pts + $163.50 | — | — |
| Alaska Atmos Rewards | 22,500 pts + $25.60 | 30,000 pts + $25.60Lowest | — | 45,000 pts + $25.60Lowest |
| American Airlines AAdvantage | 21,000 pts + $5.60 | 40,000 pts + $9.00 | 57,500 pts + $19.40Lowest | 88,000 pts + $5.60 |
| Avianca LifeMiles | 40,000 pts + $28.50 | — | — | — |
| 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 | 45,000 pts + $36.70 | — | — | — |
| GOL Smiles | 9,500 pts + taxes not reportedLowest | 489,000 pts + taxes not reported | — | — |
| JetBlue TrueBlue | 24,300 pts + $5.60 | — | 163,800 pts + $5.60Mixed cabin | — |
| Qantas Frequent Flyer | 29,000 pts + $349.00 | 59,800 pts + $1,629.00 | 82,100 pts + $1,454.00 | 129,200 pts + $1,629.00 |
| United MileagePlus | 37,300 pts + $5.60 | 50,000 pts + $5.60 | 88,000 pts + $22.50Mixed cabin | 200,000 pts + $5.60 |
| Virgin Australia Velocity | 30,000 pts + $9.53 | — | — | — |
Questions about MileagePlus award flights from Washington National (DCA) to London Heathrow (LHR)
How many miles do you need to fly from Washington National (DCA) to London Heathrow (LHR) with United MileagePlus?
The lowest one-way United MileagePlus awards AwardTool observed in the last 30 days (newest observation Oct 19, 2026): economy 37,300 miles + $5.60, with a typical monthly low of 40,000 miles over 11 months and award space on 94 departure dates; premium economy 50,000 miles + $5.60, with a typical monthly low of 50,000 miles over 11 months and award space on 94 departure dates; business class 88,000 miles + $22.50, a mixed-cabin award, with monthly lows of 88,000 miles in 5 months and 200,000 miles in 6 months, and award space on 94 departure dates; first class 200,000 miles + $5.60, with a typical monthly low of 200,000 miles over 5 months and award space on 29 departure dates. Monthly lows varied in economy (37,300 to 59,400 miles), premium economy (50,000 to 138,900 miles), business class (88,000 to 200,000 miles) and first class (200,000 to 392,300 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest MileagePlus award from Washington National (DCA) to London Heathrow (LHR)?
In economy, 37,300 miles + $5.60. Seen Sep 23, 2026, 20:58 UTC for a Nov 25, 2026 departure. United MileagePlus showed economy award space on 94 departure dates at any price (newest observation Oct 19, 2026, 18:53 UTC). In business class, 88,000 miles + $22.50 on a mixed-cabin itinerary (part of the trip in a lower cabin). Seen Oct 14, 2026, 20:58 UTC for a Nov 4, 2026 departure. United MileagePlus showed business-class award space on 94 departure dates at any price (newest observation Oct 19, 2026, 18:53 UTC). Search live before transferring points.
Can you book nonstop awards from Washington National (DCA) to London Heathrow (LHR) with MileagePlus?
AwardTool hasn't observed nonstop United MileagePlus award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which credit card points can book MileagePlus awards from Washington National (DCA) to London Heathrow (LHR)?
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 Washington National (DCA) 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: 37,300 miles (14 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.