Here's a selection of Valentine’s Day dinner offers at some popular Bangkok restaurants on 14th February 2014:-
Ambassador Hotel
Am Café - Candlelight set dinner: Baht 2,299++ per couple
Hong Teh - Chinese set menu: Baht 2,299++ per couple; Dim Sum buffet: Baht 555++ per person.
http://www.amtel.co.th/news/restaurant-promotion/
Anantara Bangkok Riverside Resort
Trader Vic's - 5-course dinner menu: THB 6,999++ per couple
Manohra Dining Cruise - THB 6,999++
Brio - 5-course Italian dinner set menu: THB 3,999++ per couple
(All include a bottle of sparkling wine)
http://www.bangkokriverdining.com/promotions-detail.php?id=114
Bangkok Hotel Lotus Sukhumvit
Xing Fu - 6 course Chinese set menu dinner: THB 2,000 per couple, includes a glass of sparkling wine.
http://www.hotellotussukhumvit.com/valentine-dinner-in-bangkok/
Crowne Plaza Bangkok Lumpini Park
Panorama - 6-course dinner: THB 3,999 per couple
http://www.crowneplazabkk.com/specialOffers-en.html
Dusit Thani
D'Sens - French set menu dinner: THB 8000++ for 2 persons, including a glass of sparkling wine
http://www.dusit.com/dusit-thani/en/dusit-thani-bangkok-restaurants-a-bars/dsens.html
Four Points by Sheraton
AmBar rooftop - Buffet dinner under the Stars: THB 4,500 net per couple, with a wine bottle.
https://www.facebook.com/AmBarBangkok
Grand Hyatt Erawan
Tables - Set menu dinner: THB 6,500++ per couple (includes a glass of champagne)
Spasso - 5-course Italian set dinner: THB 3,200++ per couple; for live entertainment show: THB 990 net per person including a glass of champagne or two standard drinks.
The Dining Room - Seafood dinner buffet: THB 2,100++ per person
Erawan Tea Room - All you can eat Thai dinner menu: THB 1,100++ per person (includes a glass of prosecco)
http://bangkok.grand.hyatt.com/en/hotel/news-and-events/news-listing/monthly-dining-promotions.html
Holiday Inn Silom
The Brasserie - Buffet Dinner: THB 1,500 net per couple
http://www.holidayinnbangkok-silom.com/what_happening.html
Muse
Medici Kitchen & Bar - 5-course set dinner: THB 3,400++ per person
Su Tha Ros - 6-course set dinner: THB 2,100++ per person
The Speakeasy - Valentine's lover platter: THB 3,050++ per person
(All include a glass of Prosecco)
http://www.hotelmusebangkok.com/valentines-else/
Landmark
RR&B - 5-course set dinner: THB 12,000++ per couple / 3-course a la carte selection: THB 4,200++ per person
Atrium - Dinner Buffet: THB 3,200 net per couple
http://www.landmarkbangkok.com/view-promotion/181
Mandarin Oriental
Le Normande: THB 11,000 net per couple
Lord Jim's: THB 9,500 net per couple
Ciao: THB 8,500 net / Chef Table: THB 25,000 net per couple
BBQ Riverside Terrace: THB 7,500 net per couple
Author's Lounge: THB 1,800 net per couple
http://www.mandarinoriental.com/bangkok/hotel/hotel-news/
No. 43 Italian Bistro
5-course Italian dinner: Baht 950++ per person
http://www.capehouse.com/specialoffer.html
Novotel Bangkok Ploenchit
The Square - International buffet with sparkling wine: Baht 2,400++ per couple
Sky Terrace - 6 course set menu with sparkling wine: Baht 2,900++ per couple
Dee Lounge - Grilled seafood set menu with wine: Baht 2,600++ per couple
http://www.novotelbangkokploenchit.com/valentines-day-promotion-2014/
Novotel Bangkok Siam Square
The Square - International Buffet Dinner: Baht 1,300++ per person inclusive of a glass of bubbly
http://www.novotelbkk.com/special-offers/
Plaza Athenee Bangkok
Smooth Curry - 6-course Thai set dinner: THB 4,500 net per person (incl. a wine bottle per couple)
The Reflexions - 5-course International set dinner: THB 4,500 net per person (incl. a wine bottle per couple)
Utage - Japanese Atarachi buffet: THB 2,800 net per person with tea / THB 3,040 net per person with sake, beer, wine.
http://www.plazaatheneebangkok.com/forms/valentineday
Pullman Bangkok King Power
Cuisine Unplugged - Strawberry dinner buffet: THB 1,230 net per person
Wine Pub - Set dinner: THB 1,999 net per couple
http://www.pullmanbangkokkingpower.com/promotions/
Rembrandt Hotel
Rang Mahal - 5-course Indian dinner with sparkling wine: THB 3,200 per couple
Da Vinci - 5 course Italian dinner with Kir Royal: THB 2,600 per couple
http://www.rembrandtbkk.com/events/events.htm
Royal Orchid Sheraton
Feast - International and BBQ buffet dinner: THB 4,000 net per couple
Sambal Bar & Grill - Western set dinner: THB 3,500 net per couple
Giorgio’s - Italian set dinner: THB 3,500 net per couple
Thara Thong - Royal Thai set dinner: THB 3,200 net per couple
(All include 2 glasses of Kir Royale per couple)
http://www.royalorchidsheraton.com/en/forms/ValentinesDay?channel=LPSIDP
Shangri-La Hotel
Horizon Cruise - International buffet: THB 2,888 per person (includes sparkling wine)
Salathip - Thai set dinner: THB 2,488 per person (includes sparkling wine)
Next2 Cafe - Riverside dinner buffet: THB 2,888 per person (includes sparkling wine)
Shang Palace - Set dinner menu: THB 3,400 per couple
http://www.shangri-la.com/bangkok/shangrila/dining/offers/details/romantic-dinner-by-the-river-on-valentines-day/
Sheraton Grande Sukhumvit
Rossini - 5-course "Lui e Lei" Gourmet set dinner: Baht 5,455 net for two
http://www.sheratongrandesukhumvit.com/en/store/valentines2014/rossinisvalentines2014
Westin Grande Sukhumvit
Poolside Dinner - 5-course set, sparkling wine glasses and a wine bottle: Baht 5,390 net per couple
http://www.westingrandesukhumvit.com/valentines-day
Disclaimer: Please check with restaurants for precise up-to-date rates.