Of course, occasionally you get what you pay for, so do some due diligence on the brand and model you prefer and make sure the source has a reasonable return policy.
I've looked at some of the usual discounty suspects here, but the best deals seemed to be aggregated on Amazon.
1 Single Handle Chrome Centerset Sink Faucet LD-2114, $59.99 from Light in the Box
2 Hans Kristof Single Handle Polished Chrome Finish Bathroom Faucet 08S, $64.95 from Modern Danish
3 Vigo VG05001CH Wall Mount Bathroom Faucet, $82.20 from faucet.com
4 Aquadis M06-2160CH Centerset Washerless Widespread Bathroom Faucet, $54.00 from Fixture Universe
5 Kingston Brass KS1161PX Heritage Widespread Lavatory Faucet with Porcelain Cross Handle, $73.30 (list price $265.95!) from Amazon
6 Danze D303057 Opulence Two Handle Mini Widespread Lavatory Faucet, $85.83 (list price $288!) from Amazon
7 Heritage 4" Center Set Lavatory Faucet, $96.99 from Target
8 Fontaine Amor Chrome Widespread Bathroom Faucet, $92.99 from Overstock
9 Price Pfister Satin Nickel Bathroom Faucet F049SYKK, $59.99 from thefaucetdiscounters on eBay
10 Bayview Collection Premier 120168LF Lead Free Two Handle Lavatory Faucet, $21.12 from Build.com
Images: as linked above