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Local Food Dossier

Ongtong Khaosoi Ari Branch

Discover Ongtong Khaosoi Ari Branch, a trusted Thai restaurant in Bangkok offering authentic Northern Thai dishes like Khaosoi, with dine-in and delivery options. Rated 4.3 from 1,886 reviews.

  • 31 Phahonyothin Soi 7, Phaya Thai, Bangkok 10400, Thailand
  • Price range: ฿200 to ฿400
  • Updated September 2026
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Restaurant Dossier M Menujoys 2026

Ongtong Khaosoi Ari Branch

31 Phahonyothin Soi 7, Phaya Thai, Bangkok 10400, Thailand


Known for

  • Authentic Northern Thai Khaosoi varieties
  • Casual and trendy atmosphere ideal for solo dining
  • Vegetarian options and quick bites
  • Offers delivery, takeout, and onsite dining
  • Accepts reservations with reliable service

Good for

  • Lunch and dinner meals
  • Solo diners and college student groups
  • Casual dining for tourists and families with kids
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Quick Facts

At a Glance.

Six quick facts to help you decide before you visit.

Rating

4.3 stars from 1,886 reviews

Price Range

฿200 to ฿400 per person

Opening Hours

Daily 09:00 AM - 08:30 PM

Location

31 Phahonyothin Soi 7, Phaya Thai, Bangkok 10400, Thailand

Contact

+66 2 003 5254

Typical Visit Duration

25 minutes to 1.5 hours

Service Options

Delivery, Takeout, Dine-in, Onsite services

Atmosphere & Crowd

Casual, quiet, trendy; popular with college students, groups, and tourists

Accessibility

No wheelchair accessible entrance, parking, or seating

Children

Good for kids

Menu Highlights

Khaosoi variants, Fried Tofu, Mango Sticky Rice, Northern Style Omelette

Parking

Paid parking lot and street parking available

Featured Items

Menu Highlights.

A quick look at popular items and menu categories before you open the full menu.

三層ทอด

三層ทอด

ข้าวแกงฮังเล

ข้าวแกงฮังเล

อ่อง broiled field crab

อ่อง broiled field crab

About

About Ongtong Khaosoi Ari Branch.

Ongtong Khaosoi Ari Branch is a distinguished Thai restaurant specializing in Northern Thai cuisine, especially their celebrated khao soi dishes. Known for perfectly balanced curry broths and options including chicken, pork, and beef, this casual yet trendy spot offers authentic flavors with a quiet atmosphere that appeals to locals, tourists, and college students alike.

Diners are drawn to Ongtong for its approachable pricing, consistent quality across popular dishes like Stir-Fried Khaosoi and Northern-style omelette, and accommodating service that includes dine-in, takeout, and delivery. The restaurant’s convenient location in Bangkok’s Phaya Thai district, coupled with parking options and family-friendly amenities, make it an inviting choice for lunchtime meals, dinner outings, or solo dining experiences.

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Though the menu remains focused and simple, the restaurant’s thoughtful approach to Northern Thai classics ensures a memorable meal. The broth’s richness and the quality of ingredients consistently receive praise, making this a reliable destination for those exploring authentic regional flavors beyond the typical Thai fare.

Food Moments

Best for these food moments.

Ongtong Khaosoi Ari Branch caters to a variety of dining occasions with its inviting atmosphere and menu offerings designed to satisfy different cravings and schedules.

Casual Lunch

The restaurant’s quick yet flavorful Northern Thai dishes make it an ideal spot for a satisfying solo lunch or a relaxed midday break among colleagues or students.

Comforting Dinner

With its rich curry noodles and small plates, Ongtong provides a cozy dinner setting where diners can unwind while enjoying authentic regional flavors in a tranquil and trendy environment.

Group Outing

Groups can share several Northern specialties, including fried pork belly and spicy salads, in a comfortable setting that welcomes families and friends alike, supported by ample seating and reservation options.

Quick Bite & Takeout

Those on the go can take advantage of efficient takeout and delivery services, perfect for grabbing a quick yet satisfying meal featuring vegetarian-friendly and quick-bite options.

Find & Visit

Location & Opening Hours.

Address, contact, and weekly opening times at a glance.

Address & Contact

Address
31 Phahonyothin Soi 7, Phaya Thai, Bangkok 10400, Thailand

Opening Hours

Open today
  • Monday 09:00 AM - 08:30 PM
  • Tuesday 09:00 AM - 08:30 PM
  • Wednesday 09:00 AM - 08:30 PM
  • Thursday 09:00 AM - 08:30 PM
  • Friday 09:00 AM - 08:30 PM
  • Saturday 09:00 AM - 08:30 PM
  • Sunday 09:00 AM - 08:30 PM

Opening hours may vary. Suggest an update if this information has changed.

FAQs

Questions about Ongtong Khaosoi Ari Branch.

Quick answers about menu, location, dining options, and updates.

It is located at 31 Phahonyothin Soi 7, Phaya Thai, Bangkok 10400, Thailand. The restaurant is open daily from 9:00 AM to 8:30 PM. Hours may change, so checking ahead is recommended.

This is a Thai restaurant known for Northern Thai cuisine, especially Khao Soi dishes with options like chicken, pork, and beef. Popular items include Northern Style Omelette, Sticky Rice, Namprik Num Fried Rice, and broiled field crab.

Guests can choose dine-in, takeout, and delivery services. The restaurant offers table service for brunch, lunch, dinner, and dessert. Reservations are accepted.

Prices generally range from ฿200 to ฿400 per person. Accepted payment methods include credit cards, debit cards, and NFC mobile payments. Prices and payment options may vary.

Paid parking is available including parking lots and street parking. However, the restaurant does not have wheelchair accessible entrances, parking, or seating.

The menu includes vegetarian options and small plates, as well as alcohol and beer. Menu items and availability may change over time.

It is recommended to contact the restaurant directly at +66 2 003 5254 or check official sources for the latest updates on menu, hours, and available services.
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