Turkish Miles & Smiles award flights from London Heathrow (LHR) to Seattle (SEA)
In the last 30 days AwardTool saw Turkish Miles & Smiles award space for LHR→SEA in economy and business class.
Every airport: London to Seattle (SEA) award flights.
Prices observed – ; newest observation .
Page regenerated from the Nov 11, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
Miles&Smiles award prices by cabin
The lowest one-way Turkish Miles & Smiles award AwardTool observed on LHR→SEA in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 295 miles + taxes not reported | 1 stop |  TK | 1 | 237 | See dates | |
| Business | 707 miles + taxes not reported | 1 stop | TK | 1 | 233 | 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 Miles&Smiles award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 341 miles + taxes not reported | 1 | 1 stop | Check this date | ||
| Economy | 55,000 miles + taxes not reported | 1 | 1 stop | Check this date | ||
| Economy | 55,000 miles + taxes not reported | 1 | 1 stop | Check this date | ||
| Business | 707 miles + taxes not reported | 1 | 1 stop | Check this date | ||
| Business | 175,000 miles + taxes not reported | 1 | 1 stop | Check this date | ||
| Business | 175,000 miles + taxes not reported | 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 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 Miles&Smiles award space showed up
Departure dates in the next 365 days that AwardTool checked for Turkish Miles & Smiles 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 | 237 of 256 | 92% | |
| Business | 233 of 256 | 91% |
Best months to fly from London Heathrow (LHR) to Seattle (SEA) with Miles&Smiles
| Month | Economy | Business |
|---|---|---|
| 55,000 miles + taxes vary (18 dates) | 175,000 miles + taxes vary (14 dates) | |
| 341 miles + taxes vary (28 dates) | 707 miles + taxes vary (28 dates) | |
| 55,000 miles + taxes vary (11 dates) | 175,000 miles + taxes vary (11 dates) | |
| 55,000 miles + taxes vary (23 dates) | 90,000 miles + taxes vary (23 dates) | |
| 55,000 miles + taxes vary (27 dates) | 175,000 miles + taxes vary (27 dates) | |
| 295 miles + taxes vary (30 dates) | 722 miles + taxes vary (30 dates) | |
| 55,000 miles + taxes vary (11 dates) | 175,000 miles + taxes vary (11 dates) | |
| 55,000 miles + taxes vary (21 dates) | 175,000 miles + taxes vary (21 dates) | |
| 75,000 miles + taxes vary (20 dates) | 175,000 miles + taxes vary (20 dates) | |
| 75,000 miles + taxes vary (20 dates) | 175,000 miles + taxes vary (20 dates) | |
| 55,000 miles + taxes vary (18 dates) | 175,000 miles + taxes vary (18 dates) | |
| 55,000 miles + taxes vary (10 dates) | 175,000 miles + taxes vary (10 dates) |
How to get Miles&Smiles
- Bilt Rewards: 1:1 · Instant
- Capital One Miles: 1:1 · Instant
- Citi ThankYou Points: 1:1 · ~1 day
Check current transfer bonuses. Most transfers can't be reversed.
Miles&Smiles vs other programs from London Heathrow (LHR) to Seattle (SEA)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Aeromexico Club Premier | 86,000 pts + $315.92 | — | 244,000 pts + $508.67 | — |
| Air Canada Aeroplan | 40,000 pts + $298.50 | 67,607 pts + $467.50 | 75,000 pts + $469.20 | 485,027 pts + $500.00 |
| Air France/KLM Flying Blue | 21,875 pts + $304.29 | 40,000 pts + $652.39 | 95,000 pts + $735.09 | — |
| Alaska Atmos Rewards | 27,500 pts + $220.19 | 35,000 pts + $740.69 | 70,000 pts + $441.39Mixed cabin | 70,000 pts + $437.49Lowest |
| American Airlines AAdvantage | 21,000 pts + $241.69 | 40,000 pts + $421.29 | 57,500 pts + $421.29 | 85,000 pts + $1,125.19 |
| Avianca LifeMiles | 41,000 pts + $58.00 | — | — | — |
| British Airways Executive Club | — | — | 99,000 pts + $599.00 | — |
| Delta SkyMiles | 26,000 pts + $233.33 | 88,000 pts + $424.53 | 295,000 pts + $415.53 | 295,000 pts + $421.18 |
| Etihad Guest | 67,000 pts + $390.39 | — | 167,000 pts + $1,310.39Mixed cabin | 217,000 pts + $1,322.29Mixed cabin |
| GOL Smiles | 9,500 pts + taxes not reported | 339,500 pts + taxes not reported | 218,700 pts + taxes not reported | — |
| JetBlue TrueBlue | 22,500 pts + $352.98 | — | 135,500 pts + $550.27 | — |
| Lufthansa Miles & More | 118 pts + $487.79 | 24,318 pts + $842.59 | 41,845 pts + $1,543.39 | — |
| Qantas Frequent Flyer | 34,700 pts + $522.44 | 70,800 pts + $1,040.85 | 90,000 pts + $868.50 | 129,200 pts + $1,129.72 |
| Qatar Airways Privilege Club | 25,750 pts + taxes not reported | — | 77,250 pts + taxes not reported | 93,500 pts + taxes not reported |
| SAS EuroBonus | 30,000 pts + $210.29 | 45,000 pts + $409.69 | — | — |
| Turkish Miles & Smiles | 295 pts + taxes not reported | — | 707 pts + taxes not reported | — |
| United MileagePlus | 26,800 pts + $226.29 | 50,000 pts + $414.99 | 80,000 pts + $417.19Mixed cabin | — |
| Virgin Atlantic Flying Club | 9,000 pts + $356.84Lowest | 16,500 pts + $664.69Lowest | 41,000 pts + $1,017.48Lowest | — |
| Virgin Australia Velocity | 42,000 pts + $211.63 | — | 158,500 pts + $620.59 | — |
Questions about Miles&Smiles award flights from London Heathrow (LHR) to Seattle (SEA)
Can you book nonstop awards from London Heathrow (LHR) to Seattle (SEA) with Miles&Smiles?
AwardTool hasn't observed nonstop Turkish Miles & Smiles award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which credit card points can book Miles&Smiles awards from London Heathrow (LHR) to Seattle (SEA)?
Bilt Rewards (1:1, Instant), Capital One Miles (1:1, Instant) and Citi ThankYou Points (1:1, ~1 day). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest Miles&Smiles award prices from London Heathrow (LHR) to Seattle (SEA)?
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: 55,000 miles + taxes vary (27 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.
When does Turkish Miles & Smiles release award seats for London Heathrow (LHR) to Seattle (SEA)?
Turkish Miles & Smiles publishes a booking window of about 355 days (about 12 months) before departure (AwardTool's program data, reviewed Nov 6, 2026). On this route AwardTool saw Turkish Miles & Smiles award space for departures as late as Oct 10, 2027; seats can open earlier or later, and released seats may already be booked. See Miles&Smiles award release dates.