---
title: "Duncan to London cheap flights (DUC to LON) - Expedia"
description: "Cheap Flights from Duncan (DUC) to London (LON) start at for one-way and for round trip. Earn your airline miles on top of our rewards!"
canonical: "https://www.expedia.com/lp/flights/duc/lon/duncan-to-london"
language: en-US
market: US
currency: USD
prices_as_of: 2026-11-13T12:52:18Z
---

# Cheap Flights from Duncan (DUC) to London (LON)
![The Houses of Parliament and Big Ben in London, with a red double-decker bus crossing the Lambeth Bridge.](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

## Popular airlines from Duncan, OK (DUC-Halliburton Field) to London

[American Airlines](https://www.expedia.com/Flights-Search?leg1=from:DUC,to:LON,departure:11/27/2026TANYT&leg2=from:LON,to:DUC,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}])

[United](https://www.expedia.com/Flights-Search?leg1=from:DUC,to:LON,departure:11/27/2026TANYT&leg2=from:LON,to:DUC,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])

[Southwest Airlines](https://www.expedia.com/Flights-Search?leg1=from:DUC,to:LON,departure:11/27/2026TANYT&leg2=from:LON,to:DUC,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}])

[Delta](https://www.expedia.com/Flights-Search?leg1=from:DUC,to:LON,departure:11/27/2026TANYT&leg2=from:LON,to:DUC,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])

[Frontier Airlines](https://www.expedia.com/Flights-Search?leg1=from:DUC,to:LON,departure:11/27/2026TANYT&leg2=from:LON,to:DUC,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}])

[JetBlue Airways](https://www.expedia.com/Flights-Search?leg1=from:DUC,to:LON,departure:11/27/2026TANYT&leg2=from:LON,to:DUC,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}])

[Alaska Airlines](https://www.expedia.com/Flights-Search?leg1=from:DUC,to:LON,departure:11/27/2026TANYT&leg2=from:LON,to:DUC,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}])

A · laska Airlines

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## Book with confidence

### Duncan to London Flights

#### The cheapest times to fly from Duncan to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Duncan to London are during the month of . You can find some of the cheapest flights from Duncan to London with Expedia's search tool and vast selection of airlines.

#### The best time to book a flight from Duncan to London

Sunday is one of the best days to book for cheap flights from Duncan to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

#### How to find cheap round-trip tickets from Duncan to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Duncan to London in 2026\. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Duncan to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Duncan to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*\*Terms apply.*

*Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.*

## Travel information

| Origin airport      | Duncan, OK       |
| ------------------- | ---------------- |
| Destination airport | Heathrow Airport |
| Distance            | 4,693 miles away |

## Explore a world of travel with Expedia

- [Flights](?equalTargetTab=tab-0)
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- [Flights from Munich (MUC) to London (LON)](https://www.expedia.com/lp/flights/muc/lon/munich-to-london)
- [Flights from Barcelona (BCN) to London (LON)](https://www.expedia.com/lp/flights/bcn/lon/barcelona-to-london)
- [Flights from Belize City (BZE) to London (LON)](https://www.expedia.com/lp/flights/bze/lon/belize-city-to-london)
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- [Flights from Charlotte (CLT) to London (LON)](https://www.expedia.com/lp/flights/clt/lon/charlotte-to-london)
- [Flights from Detroit (DTW) to London (LHR)](https://www.expedia.com/lp/flights/dtw/lhr/detroit-to-london)
- [Flights from Detroit (DTW) to London (LON)](https://www.expedia.com/lp/flights/dtw/lon/detroit-to-london)
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- [Flights from Raleigh (RDU) to London (LON)](https://www.expedia.com/lp/flights/rdu/lon/raleigh-to-london)
- [Flights from Provo (PVU) to London (LON)](https://www.expedia.com/lp/flights/pvu/lon/provo-to-london)
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- [Flights from Portland (PDX) to London (LON)](https://www.expedia.com/lp/flights/pdx/lon/portland-to-london)
- [Flights from Seattle (SEA) to London (LHR)](https://www.expedia.com/lp/flights/sea/lhr/seattle-to-london)
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- [Flights from Minneapolis (MSP) to London (LON)](https://www.expedia.com/lp/flights/msp/lon/minneapolis-to-london)
- [Flights from Frankfurt (FRA) to London (LON)](https://www.expedia.com/lp/flights/fra/lon/frankfurt-to-london)
- [Flights from Mobile (MOB) to London (LON)](https://www.expedia.com/lp/flights/mob/lon/mobile-to-london)
- [Flights from Orlando (ORL) to London (LON)](https://www.expedia.com/lp/flights/orl/lon/orlando-to-london)
- [Flights from Manila (MNL) to London (LON)](https://www.expedia.com/lp/flights/mnl/lon/manila-to-london)
- [Flights from Louisville (SDF) to London (LON)](https://www.expedia.com/lp/flights/sdf/lon/louisville-to-london)
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- [Flights from Atlanta (ATL) to London (LON)](https://www.expedia.com/lp/flights/atl/lon/atlanta-to-london)
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- [Flights from New York (JFK) to London (LON)](https://www.expedia.com/lp/flights/jfk/lon/new-york-to-london)
- [Flights from Redding (RDD) to London (LON)](https://www.expedia.com/lp/flights/rdd/lon/redding-to-london)
- [Flights from New York (JFK) to London (LHR)](https://www.expedia.com/lp/flights/jfk/lhr/new-york-to-london)
- [Flights from Freetown (FNA) to London (LON)](https://www.expedia.com/lp/flights/fna/lon/freetown-to-london)
- [Flights from Washington (IAD) to London (LHR)](https://www.expedia.com/lp/flights/iad/lhr/washington-to-london)
- [Flights from Bridgetown (BGI) to London (LON)](https://www.expedia.com/lp/flights/bgi/lon/bridgetown-to-london)
- [Flights from Kingston (KIN) to London (LON)](https://www.expedia.com/lp/flights/kin/lon/kingston-to-london)
- [Flights from San Diego (SAN) to London (LON)](https://www.expedia.com/lp/flights/san/lon/san-diego-to-london)
- [Flights from Newburgh (SWF) to London (LON)](https://www.expedia.com/lp/flights/swf/lon/newburgh-to-london)
- [Flights from Dublin (DUB) to London (LON)](https://www.expedia.com/lp/flights/dub/lon/dublin-to-london)
- [Flights from Phoenix (PHX) to London (LHR)](https://www.expedia.com/lp/flights/phx/lhr/phoenix-to-london)
- [Flights from Raleigh (RDU) to London (LHR)](https://www.expedia.com/lp/flights/rdu/lhr/raleigh-to-london)
- [Flights from Miami (MIA) to London (LHR)](https://www.expedia.com/lp/flights/mia/lhr/miami-to-london)
- [Flights from Newark Liberty Intl. Airport (EWR) to London (LON)](https://www.expedia.com/lp/flights/ewr/lon/newark-liberty-intl-airport-to-london)
- [Flights from Denver (DEN) to London (LON)](https://www.expedia.com/lp/flights/den/lon/denver-to-london)

\*Available to One Key members.

## Other language versions

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  nb-NO: https://www.expedia.no/lp/fly/duc/lon/duncan-til-london
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  pt-BR: https://www.expedia.com.br/lp/voos/duc/lon/duncan-para-londres
  en-GB: https://www.expedia.co.uk/lp/flights/duc/lon/duncan-to-london
```