---
title: "Cheap Flights from Princeton (PCT) to London (LON)"
description: "Cheap Flights from Princeton (PCT) 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.ca/lp/flights/pct/lon/princeton-to-london"
language: en-CA
market: CA
currency: CAD
prices_as_of: 2026-11-14T13:55:19Z
---

# Cheap Flights from Princeton (PCT) 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 Princeton, NJ (PCT) to London

[Air Canada](https://www.expedia.ca/Flights-Search?leg1=from:PCT,to:LON,departure:28/11/2026TANYT&leg2=from:LON,to:PCT,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}])

[WestJet](https://www.expedia.ca/Flights-Search?leg1=from:PCT,to:LON,departure:28/11/2026TANYT&leg2=from:LON,to:PCT,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}])

[Flair Airlines](https://www.expedia.ca/Flights-Search?leg1=from:PCT,to:LON,departure:28/11/2026TANYT&leg2=from:LON,to:PCT,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}])

[American Airlines](https://www.expedia.ca/Flights-Search?leg1=from:PCT,to:LON,departure:28/11/2026TANYT&leg2=from:LON,to:PCT,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}])

[United](https://www.expedia.ca/Flights-Search?leg1=from:PCT,to:LON,departure:28/11/2026TANYT&leg2=from:LON,to:PCT,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])

[Delta](https://www.expedia.ca/Flights-Search?leg1=from:PCT,to:LON,departure:28/11/2026TANYT&leg2=from:LON,to:PCT,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])

[Porter Airlines](https://www.expedia.ca/Flights-Search?leg1=from:PCT,to:LON,departure:28/11/2026TANYT&leg2=from:LON,to:PCT,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}])

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## Book with confidence

### Princeton to London Flights

#### The easy way to book your flights from Princeton to London

With Expedia, it’s simple to find and book flights to London from Princeton whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to LON-All Airports, too.

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Princeton to London today, tomorrow, or this week.

#### Save dollars with cheap flights from Princeton, NJ, PCT to LON-All Airports, LON

Sort your search results by price to find great deals on your flight from Princeton to London—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to London from Princeton currently is just rising to .

Here are more money-saving tips:

- Fly in when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to London
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!

#### Reasons to choose Expedia for your flight to London from Princeton

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to London with Expedia today.

## Travel information

| Origin airport      | Princeton, NJ    |
| ------------------- | ---------------- |
| Destination airport | Heathrow Airport |
| Distance            | 5,615 km away    |

## Explore a world of travel with Expedia

- [Flights](?equalTargetTab=tab-0)
- [Flights from Calgary (YYC) to London (LHR)](https://www.expedia.ca/lp/flights/yyc/lhr/calgary-to-london)
- [Flights from Nice (NCE) to London (LON)](https://www.expedia.ca/lp/flights/nce/lon/nice-to-london)
- [Flights from Reykjavik (REK) to London (LON)](https://www.expedia.ca/lp/flights/rek/lon/reykjavik-to-london)
- [Flights from Sarasota (SRQ) to London (LON)](https://www.expedia.ca/lp/flights/srq/lon/sarasota-to-london)
- [Flights from Vancouver (YVR) to London (LON)](https://www.expedia.ca/lp/flights/yvr/lon/vancouver-to-london)
- [Flights from Amsterdam (AMS) to London (LON)](https://www.expedia.ca/lp/flights/ams/lon/amsterdam-to-london)
- [Flights from Silver City (SVC) to London (LON)](https://www.expedia.ca/lp/flights/svc/lon/silver-city-to-london)
- [Flights from Dallas (DFW) to London (LON)](https://www.expedia.ca/lp/flights/dfw/lon/dallas-to-london)
- [Flights from Punta Gorda (PND) to London (LON)](https://www.expedia.ca/lp/flights/pnd/lon/punta-gorda-to-london)
- [Flights from Yorkton (YQV) to London (LON)](https://www.expedia.ca/lp/flights/yqv/lon/yorkton-to-london)
- [Flights from Pembroke (YTA) to London (LON)](https://www.expedia.ca/lp/flights/yta/lon/pembroke-to-london)
- [Flights from Cambridge (CBG) to London (LON)](https://www.expedia.ca/lp/flights/cbg/lon/cambridge-to-london)
- [Flights from Somerset (SME) to London (LON)](https://www.expedia.ca/lp/flights/sme/lon/somerset-to-london)
- [Flights from Edmonton (YEG) to London (LON)](https://www.expedia.ca/lp/flights/yeg/lon/edmonton-to-london)
- [Flights from Izmir (IZM) to London (LON)](https://www.expedia.ca/lp/flights/izm/lon/izmir-to-london)
- [Flights from Jakarta (CGK) to London (LON)](https://www.expedia.ca/lp/flights/cgk/lon/jakarta-to-london)
- [Flights from Trois-Rivieres (YRQ) to London (LON)](https://www.expedia.ca/lp/flights/yrq/lon/trois-rivieres-to-london)
- [Flights from Gothenburg (GOT) to London (LON)](https://www.expedia.ca/lp/flights/got/lon/gothenburg-to-london)
- [Flights from Cranbrook (YXC) to London (LON)](https://www.expedia.ca/lp/flights/yxc/lon/cranbrook-to-london)
- [Flights from Chilliwack (YCW) to London (LON)](https://www.expedia.ca/lp/flights/ycw/lon/chilliwack-to-london)
- [Flights from Altus (AXS) to London (LON)](https://www.expedia.ca/lp/flights/axs/lon/altus-to-london)
- [Flights from Plattsburgh (PBG) to London (LON)](https://www.expedia.ca/lp/flights/pbg/lon/plattsburgh-to-london)
- [Flights from Friedrichshafen (FDH) to London (LON)](https://www.expedia.ca/lp/flights/fdh/lon/friedrichshafen-to-london)
- [Flights from Chicago (ORD) to London (LON)](https://www.expedia.ca/lp/flights/ord/lon/chicago-to-london)
- [Flights from Cornwall (YCC) to London (LON)](https://www.expedia.ca/lp/flights/ycc/lon/cornwall-to-london)
- [Flights from Owen Sound (YOS) to London (LON)](https://www.expedia.ca/lp/flights/yos/lon/owen-sound-to-london)
- [Flights from Barcelona (BCN) to London (LON)](https://www.expedia.ca/lp/flights/bcn/lon/barcelona-to-london)
- [Flights from Malta (MLK) to London (LON)](https://www.expedia.ca/lp/flights/mlk/lon/malta-to-london)
- [Flights from Montreal (YUL) to London (LHR)](https://www.expedia.ca/lp/flights/yul/lhr/montreal-to-london)
- [Flights from Regina (YQR) to London (LON)](https://www.expedia.ca/lp/flights/yqr/lon/regina-to-london)
- [Flights from Pescara (PSR) to London (LON)](https://www.expedia.ca/lp/flights/psr/lon/pescara-to-london)
- [Flights from Tirana (TIA) to London (LON)](https://www.expedia.ca/lp/flights/tia/lon/tirana-to-london)
- [Flights from Red Deer (YQF) to London (LON)](https://www.expedia.ca/lp/flights/yqf/lon/red-deer-to-london)
- [Flights from Ahmedabad (AMD) to London (LON)](https://www.expedia.ca/lp/flights/amd/lon/ahmedabad-to-london)
- [Flights from Cork (ORK) to London (LON)](https://www.expedia.ca/lp/flights/ork/lon/cork-to-london)
- [Flights from Charlotte (CLT) to London (LON)](https://www.expedia.ca/lp/flights/clt/lon/charlotte-to-london)
- [Flights from Beijing (PKX) to London (LON)](https://www.expedia.ca/lp/flights/pkx/lon/beijing-to-london)
- [Flights from Rome (ROM) to London (LON)](https://www.expedia.ca/lp/flights/rom/lon/rome-to-london)
- [Flights from Ottawa (YOW) to London (LON)](https://www.expedia.ca/lp/flights/yow/lon/ottawa-to-london)
- [Flights from Montreal (YUL) to London (LON)](https://www.expedia.ca/lp/flights/yul/lon/montreal-to-london)
- [Flights from Tours (TUF) to London (LON)](https://www.expedia.ca/lp/flights/tuf/lon/tours-to-london)
- [Flights from Québec (YQB) to London (LON)](https://www.expedia.ca/lp/flights/yqb/lon/quebec-to-london)
- [Flights from Seattle (SEA) to London (LON)](https://www.expedia.ca/lp/flights/sea/lon/seattle-to-london)
- [Flights from Winnipeg (YWG) to London (LHR)](https://www.expedia.ca/lp/flights/ywg/lhr/winnipeg-to-london)
- [Flights from Oshawa (YOO) to London (LON)](https://www.expedia.ca/lp/flights/yoo/lon/oshawa-to-london)
- [Flights from Georgetown (GEO) to London (LON)](https://www.expedia.ca/lp/flights/geo/lon/georgetown-to-london)
- [Flights from New York (NYC) to London (LON)](https://www.expedia.ca/lp/flights/nyc/lon/new-york-to-london)
- [Flights from Rio de Janeiro (RIO) to London (LON)](https://www.expedia.ca/lp/flights/rio/lon/rio-de-janeiro-to-london)
- [Flights from Saskatoon (YXE) to London (LON)](https://www.expedia.ca/lp/flights/yxe/lon/saskatoon-to-london)
- [Flights from Bari (BRI) to London (LON)](https://www.expedia.ca/lp/flights/bri/lon/bari-to-london)
- [Flights from Brockville (XBR) to London (LON)](https://www.expedia.ca/lp/flights/xbr/lon/brockville-to-london)
- [Flights from Winnipeg (YWG) to London (LON)](https://www.expedia.ca/lp/flights/ywg/lon/winnipeg-to-london)
- [Flights from Paphos (PFO) to London (LON)](https://www.expedia.ca/lp/flights/pfo/lon/paphos-to-london)
- [Flights from Lamezia Terme (SUF) to London (LON)](https://www.expedia.ca/lp/flights/suf/lon/lamezia-terme-to-london)
- [Flights from Edmonton (YEA) to London (LON)](https://www.expedia.ca/lp/flights/yea/lon/edmonton-to-london)
- [Flights from London (YXU) to London (LON)](https://www.expedia.ca/lp/flights/yxu/lon/london-to-london)
- [Flights from Comox (YQQ) to London (LON)](https://www.expedia.ca/lp/flights/yqq/lon/comox-to-london)
- [Flights from Rimouski (YXK) to London (LON)](https://www.expedia.ca/lp/flights/yxk/lon/rimouski-to-london)
- [Flights from Edmonton (YEG) to London (LHR)](https://www.expedia.ca/lp/flights/yeg/lhr/edmonton-to-london)
- [Flights from Huntsville (HSV) to London (LON)](https://www.expedia.ca/lp/flights/hsv/lon/huntsville-to-london)
- [Flights from Tromsø (TOS) to London (LON)](https://www.expedia.ca/lp/flights/tos/lon/troms-to-london)
- [Flights from Knoxville (TYS) to London (LON)](https://www.expedia.ca/lp/flights/tys/lon/knoxville-to-london)
- [Flights from Caen (CFR) to London (LON)](https://www.expedia.ca/lp/flights/cfr/lon/caen-to-london)
- [Flights from Toronto (YYZ) to London (LON)](https://www.expedia.ca/lp/flights/yyz/lon/toronto-to-london)
- [Flights from Burlington (BTV) to London (LON)](https://www.expedia.ca/lp/flights/btv/lon/burlington-to-london)
- [Flights from Detroit (DTW) to London (LON)](https://www.expedia.ca/lp/flights/dtw/lon/detroit-to-london)
- [Flights from Munich (MUC) to London (LON)](https://www.expedia.ca/lp/flights/muc/lon/munich-to-london)
- [Flights from Larnaca (LCA) to London (LON)](https://www.expedia.ca/lp/flights/lca/lon/larnaca-to-london)
- [Flights from Avignon (AVN) to London (LON)](https://www.expedia.ca/lp/flights/avn/lon/avignon-to-london)
- [Flights from St. John's (YYT) to London (LON)](https://www.expedia.ca/lp/flights/yyt/lon/st-johns-to-london)
- [Flights from Edinburgh (EDI) to London (LON)](https://www.expedia.ca/lp/flights/edi/lon/edinburgh-to-london)
- [Flights from Kelowna (YLW) to London (LON)](https://www.expedia.ca/lp/flights/ylw/lon/kelowna-to-london)
- [Flights from Paris (PAR) to London (LON)](https://www.expedia.ca/lp/flights/par/lon/paris-to-london)
- [Flights from Halifax (YHZ) to London (LON)](https://www.expedia.ca/lp/flights/yhz/lon/halifax-to-london)
- [Flights from Geneva (GVA) to London (LON)](https://www.expedia.ca/lp/flights/gva/lon/geneva-to-london)
- [Flights from Banjul (BJL) to London (LON)](https://www.expedia.ca/lp/flights/bjl/lon/banjul-to-london)
- [Flights from St. Petersburg (PIE) to London (LON)](https://www.expedia.ca/lp/flights/pie/lon/st-petersburg-to-london)
- [Flights from Bratislava (BTS) to London (LON)](https://www.expedia.ca/lp/flights/bts/lon/bratislava-to-london)
- [Flights from Yarmouth (YQI) to London (LON)](https://www.expedia.ca/lp/flights/yqi/lon/yarmouth-to-london)
- [Flights from Montreal (YMQ) to London (LON)](https://www.expedia.ca/lp/flights/ymq/lon/montreal-to-london)
- [Flights from North Bay (YYB) to London (LON)](https://www.expedia.ca/lp/flights/yyb/lon/north-bay-to-london)
- [Flights from Belleville (BLV) to London (LON)](https://www.expedia.ca/lp/flights/blv/lon/belleville-to-london)
- [Flights from Victoria (YYJ) to London (LON)](https://www.expedia.ca/lp/flights/yyj/lon/victoria-to-london)
- [Flights from Chatham (XCM) to London (LON)](https://www.expedia.ca/lp/flights/xcm/lon/chatham-to-london)
- [Flights from Le Havre (LEH) to London (LON)](https://www.expedia.ca/lp/flights/leh/lon/le-havre-to-london)
- [Flights from Porto (OPO) to London (LON)](https://www.expedia.ca/lp/flights/opo/lon/porto-to-london)
- [Flights from Calgary (YYC) to London (LON)](https://www.expedia.ca/lp/flights/yyc/lon/calgary-to-london)
- [Flights from Vancouver (YVR) to London (LHR)](https://www.expedia.ca/lp/flights/yvr/lhr/vancouver-to-london)
- [Flights from Toronto (YYZ) to London (LHR)](https://www.expedia.ca/lp/flights/yyz/lhr/toronto-to-london)
- [Flights from Ljubljana (LJU) to London (LON)](https://www.expedia.ca/lp/flights/lju/lon/ljubljana-to-london)
- [Flights from Portsmouth (PMH) to London (LON)](https://www.expedia.ca/lp/flights/pmh/lon/portsmouth-to-london)
- [Flights from Toronto (YTO) to London (LON)](https://www.expedia.ca/lp/flights/yto/lon/toronto-to-london)
- [Flights from Lagos (LOS) to London (LON)](https://www.expedia.ca/lp/flights/los/lon/lagos-to-london)
- [Flights from Lima (LIM) to London (LON)](https://www.expedia.ca/lp/flights/lim/lon/lima-to-london)
- [Flights from Athens (ATH) to London (LON)](https://www.expedia.ca/lp/flights/ath/lon/athens-to-london)
- [Flights from Dublin (DUB) to London (LON)](https://www.expedia.ca/lp/flights/dub/lon/dublin-to-london)
- [Flights from Punta Cana (PUJ) to London (LON)](https://www.expedia.ca/lp/flights/puj/lon/punta-cana-to-london)
- [Flights from Paris (CDG) to London (LON)](https://www.expedia.ca/lp/flights/cdg/lon/paris-to-london)
- [Flights from Lisbon (LIS) to London (LON)](https://www.expedia.ca/lp/flights/lis/lon/lisbon-to-london)
- [Flights from Ottawa (YOW) to London (LHR)](https://www.expedia.ca/lp/flights/yow/lhr/ottawa-to-london)

\*Available to Expedia members.

## Other language versions

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