Lists of price comparison services

Price comparison services are meta search engines for prices. See also Review aggregators and review sites‎. Many of these services are sites combining price comparison with user reviews.

Global

Flights

http://www.skyscanner.net - searches 1,000+ airlines for best deals

Hotels

http://directrooms.com - meta search engine for hotel accomondation. Scans 250+ hotel booking sites for best rate on given hotel.
http://www.trivago.com - meta search engine for hotel accomondation. Scans 130+ hotel booking sites for best rate on given hotel.

Shopping services by traditional search engines

~~http://www.bing.com/shopping~~ seems to be discontinued
http://www.google.com/shopping
http://shopping.yahoo.com/

Africa

Asia

China

http://www.tangou.cn/

India

Japan

http://www.become.co.jp/ - by Become Inc.
http://www.nextag.co.jp/ - by Nextag Inc.
http://www.twenga.jp/

Australia and Oceania

http://www.cheapflights.com.au/ - flights
http://www.getprice.com.au/
http://mozo.com.au/ - investments, insurance, banking and more
http://www.myshopping.com.au/
http://www.shopbot.com.au/
http://au.shopping.com/ - by eBay
http://www.shopwiki.com.au/
http://www.switchwise.com.au/ - save on electricity, gas and renewables
http://www.twenga.com.au/

New Zealand

http://pricespy.co.nz/

Europe

Austria / Österreich

http://www.pricerunner.at/ - by ValueClick

Belgium / Belgique

Denmark

http://www.kelkoo.dk/
http://www.pricerunner.dk/ - by ValueClick

Finland / Suomi

http://www.vertaa.fi - mostly electronics price comparisons but also other fields

France

Services de comparaison des prix - Comparateurs de prix

http://www.cheapvols.fr/ - flights
http://www.ciao.fr/ - Comparaison de prix et avis du consommateur - owned by Microsoft
http://www.kelkoo.fr/
http://www.nextag.fr/ - by Nextag, Inc.
http://www.pricerunner.fr/ - by ValueClick
http://fr.shopping.com/ - by eBay
http://www.shopwiki.fr/
http://www.shopzilla.fr/ - by ShozillaInc.
http://www.superprix.com - by Pronto.com
http://www.twenga.fr/

Germany / Deutchland

http://www.cheapflug.de/ - Flüge
http://www.ciao.de/ - Preisvergleich und Testberichte - price comparison and wide-ranging reviews site - owned by Microsoft
http://www.dealecke.de/ - by Pronto.com
http://www.kelkoo.de/
http://www.nextag.de/ - by Nextag, Inc.
http://www.pricerunner.de/ - by ValueClick
http://de.shopping.com/ - by eBay
http://www.shopwiki.de/
http://www.shopzilla.de/ - by Shopzilla Inc.
http://www.twenga.de/

Italy / Italia

http://www.cheapvoli.it/ - flights
http://www.ciao.it/ - Confronta i prezzi e le opinioni dei consumatori - owned by Microsoft
http://www.kelkoo.it/
http://www.nextag.it/ - by Nextag, Inc.
http://www.twenga.it/

Sweden / Sverige

http://www.ciao.se/ - Prisjämförelse och konsumentrecensioner - price comparison and wide-ranging reviews site - owned by Microsoft
http://www.kelkoo.se/
http://www.pricerunner.se/ - By ValueClick
http://www.twenga.se/

UK

http://www.beatthatquote.com/ - specializes in personal finance products
http://www.become.co.uk/ . by Become Inc.
http://www.cheapflights.co.uk/ - flights
http://www.cheapoair.co.uk/ - flights, hotels, car hire, travel deals
http://www.comparethemarket.com - specializes in insurance, money, utilities, broadband & phone, business and travel
http://www.ciao.co.uk/ - price comparison and wide-ranging reviews site - owned by Microsoft
http://www.gocompare.com/ - compare insurance, utilities and more
http://www.idealo.co.uk/ by Alex Springer
http://www.kelkoo.co.uk/
http://moneyfacts.co.uk/ - by Moneyfacts PLC - Finance, investment, loans comparisons etc.
http://www.moneysupermarket.com/ - compare insurance, investment etc.
http://www.mysupermarket.co.uk - View prices and shop in w:Asda, w:Sainsbury's, w:Tesco, Whiterose and Oscado
http://www.nextag.co.uk/ - by Nextag, Inc.
http://www.pricechecker.co.uk/
http://www.pricerunner.co.uk/
http://uk.shopping.com/ - by Ebay
http://www.shopwiki.co.uk/
http://www.shopzilla.co.uk/ - by Shopzilla Inc.
http://www.simplifydigital.co.uk/ - save on digital services, broadband, tv, phone etc.
http://www.thefind.co.uk/ - shop aggergator
http://www.twenga.co.uk/
http://www.ukpower.co.uk/ - compare all enrgy providers in the UK
http://www.uswitch.com/ - The site handles gas, electricity, water, home telephone, broadband, digital television, mobile phones, personal finance products, heating cover and car insurance, with a number of new markets in the pipeline.

North America

Canada

http://www.cheapflights.ca/ - flights
http://www.cheapoair.ca/ - flights, hotels, car rental etc.
http://www.nextag.ca/
http://www.shopbot.ca/

USA

http://www.become.com/ - electronics, home, garden, computers, cameras, clothing, health, beauty and more
http://www.bizrate.com/
http://www.cheapflights.com/ - flights
http://www.cheapoair.com/ - flights
http://shopper.cnet.com/ - by cnet
https://www.healthinreach.com/search/ - Search engine for healths services and prices searches 1.2+ million health professionals
http://www.pricescan.com/indices/pricescan_indices.html - Pricescan keeps indices on certain consumer electronics over time
http://www.shopzilla.com/ - by Shopzilla Inc.
http://www.nextag.com/
http://www.pcworld.com/shopping/ - computers etc. by PCWorld
http://www.pricegrabber.com/
http://www.shoplocal.com/ - Find sales and coupons near you
http://www.shopwiki.com/
http://www.thefind.com/ - shop aggregator