Award flights from Houston (IAH) to London
Award space from Houston (IAH) to London
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AwardTool saw award space on 3 airport pairs between Houston (IAH) and London (LHR, LGW, LCY) in the last 30 days. Lowest economy: 12,700 miles on IAH–LHR (GOL Smiles). Lowest business class: 55,000 points + $1,004.00 on IAH–LHR (Alaska Atmos Rewards). Lowest first class: 70,000 points + $25.60 on IAH–LHR (Alaska Atmos Rewards).
Prices observed – .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 12,700 pts + taxes not reported
- IAH–LHR · Smiles
- Lowest premium economy
- 35,000 pts + $549.00
- IAH–LHR · Atmos
- Lowest business class
- 55,000 pts + $1,004.00
- IAH–LHR · Atmos
- Lowest first class
- 70,000 pts + $25.60
- IAH–LHR · Atmos
Compare airports
Lowest one-way award AwardTool observed on each airport pair between Houston (IAH) and London, with the program and the number of departure dates seen.
| Airports | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Houston (IAH) to London Heathrow (LHR) | 12,700 pts + taxes not reportedSmiles · 212 dates | 35,000 pts + $549.00Atmos · 153 dates | 55,000 pts + $1,004.00Atmos · 167 dates | 70,000 pts + $25.60Atmos · 278 dates |
| Houston (IAH) to London Gatwick (LGW) | 18,750 pts + $154.00Flying Blue · 32 dates | 40,000 pts + $533.50AAdvantage · 34 dates | 57,500 pts + $733.50AAdvantage · 31 dates | 88,000 pts + $5.60AAdvantage · 3 dates |
| Houston (IAH) to London City (LCY) | 18,750 pts + $172.50Flying Blue · 28 dates | 40,000 pts + $533.50AAdvantage · 29 dates | 57,500 pts + $733.50AAdvantage · 28 dates | 290,000 pts + $5.60AAdvantage · 1 date |
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.
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.
Lowest observed by cabin, Houston (IAH) to London
- Economy: 12,700 miles on Houston (IAH) to London Heathrow (LHR) with GOL Smiles, which showed economy award space there on 212 dates.
- Premium Economy: 35,000 points + $549.00 on Houston (IAH) to London Heathrow (LHR) with Alaska Atmos Rewards, which showed premium economy award space there on 153 dates.
- Business Class: 55,000 points + $1,004.00 on Houston (IAH) to London Heathrow (LHR) with Alaska Atmos Rewards, which showed business-class award space there on 167 dates.
- First Class: 70,000 points + $25.60 on Houston (IAH) to London Heathrow (LHR) with Alaska Atmos Rewards, which showed first-class award space there on 278 dates.
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| Air France/KLM Flying Blue | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant |
| Alaska Atmos Rewards | — | 1:1 · ~1 day | — | — | — | — |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
Check current transfer bonuses. Most transfers can't be reversed. No bank transfers to GOL Smiles.
Questions about Houston (IAH) to London award flights
Which airports had the lowest award prices from Houston (IAH) to London?
In business class, IAH–LHR with 55,000 points + $1,004.00 (Alaska Atmos Rewards). In economy, IAH–LHR with 12,700 miles (GOL Smiles). Prices are the lowest AwardTool observed in the last 30 days; search live before transferring points.
Which airport pairs between Houston (IAH) and London had award space?
IAH–LHR (economy, premium economy, business class and first class), IAH–LGW (economy, premium economy, business class and first class) and IAH–LCY (economy, premium economy, business class and first class). Airport pairs not listed had no award space AwardTool observed in the last 30 days.