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Find and book cheap flights to Chiang Rai. Search live fares below, or grab one of our latest deals.
iDiscover the best prices by selecting your travel dates.
Singapore Airlines
SQ 313
→ Outbound · 10 Feb
LGW
London Gatwick
CEI
Chiang Rai
1:05 PM
10 Feb
18h 35m
2:40 PM
11 Feb
← Return · 20 Feb
CEI
Chiang Rai
LHR
London Heathrow
7:00 PM
20 Feb
27h 20m
3:20 PM
21 Feb
from
£1063
Return · per adult
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Cheapest and average return economy fares by carrier, from our sampled live searches. Fares change constantly — tap Search to see live prices for your dates.
| Airline | Cheapest | Average | Flights | Search |
|---|---|---|---|---|
| Singapore Airlines | £1092 | £1238 | With stops | |
 EVA Airways | £1114 | £1477 | With stops |
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Data-powered insights to help you find the cheapest flights, the best time to fly and much more.
Return flights from London to Chiang Rai typically cost between £1115 and £1117 in October, though fares move with demand, season and how early you book. The lowest fare our search found recently was £1092 — a great price and well below the usual range, so a price near this is worth grabbing. Keeping your dates flexible and comparing nearby days is the easiest way to land at the cheaper end.
The cheapest day to depart to Chiang Rai is usually Monday, when fares start from around £1114 — midweek departures tend to be quieter and cheaper. Monday is typically the most expensive day to fly out (around £1114), as weekend travel is popular with leisure and business travellers alike. Where your plans allow, moving your outbound to a cheaper weekday can noticeably lower the total fare.
Flights to Chiang Rai are generally cheapest departing in the morning, with fares from around £1092. Departures in the evening tend to cost more (about £1114), as those slots are more convenient and in higher demand. Picking an off-peak departure time is a simple way to trim the price without changing your dates.
The cheapest month to fly from London to Chiang Rai is typically January, with return economy fares from £1092. Fares are usually highest in May (around £1117). Figures are indicative, from sampled live fares, and change with demand.
Cheapest sampled return economy fare, London to Chiang Rai, per month (gaps estimated). Search live for exact prices.
Are your dates flexible? These are the ideal times to fly to Chiang Rai based on our flight data — find the cheapest days for a 7-day trip.
Sunday
Drizzle
31°C
18/10/2026
Monday
Partly cloudy
31°C
19/10/2026
Tuesday
Drizzle
31°C
20/10/2026
Wednesday
Drizzle
31°C
21/10/2026
Thursday
Drizzle
30°C
22/10/2026
Friday
Partly cloudy
31°C
23/10/2026
Saturday
Partly cloudy
31°C
24/10/2026
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See what customers who have flown with Singapore Airlines, EVA Air and more to Chiang Rai have to say. Each airline is scored on boarding, crew, food, comfort and entertainment.
Singapore Airlines
1,058 reviews
EVA Air
1,235 reviews
Singapore Airlines
9.0WonderfulThe service felt genuinely thoughtful rather than routine. The crew paid attention to passengers' needs and maintained a warm, respectful attitude throughout the flight.
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Tucked into Thailand's far north, Chiang Rai is a relaxed mountain city famous for its extraordinary temples, hill-tribe culture, tea plantations and the meeting point of Thailand, Laos and Myanmar. It's cooler and quieter than Bangkok, and a favourite for travellers wanting art and nature without the crowds. If you're searching for cheap flights to Chiang Rai from the UK, here's how the journey really works.
The cool, dry season from November to February is the most comfortable time to visit, with warm days, fresh evenings and clear mountain views. It's also peak season, so book early and check the When to book chart above. March to May is hot, with hazy skies possible in March and April from agricultural burning. The green season (June to October) brings lower prices, lush scenery and short, heavy downpours.
There are no direct flights from the UK to Chiang Rai; every routing connects through Bangkok. Most travellers fly London to Bangkok in around 11 to 12 hours: British Airways and Thai Airways fly non-stop from Heathrow, while Emirates, Qatar Airways, Etihad and Singapore Airlines connect via their hubs from several UK airports. From Bangkok, carriers including Thai Airways, Bangkok Airways, Thai AirAsia and Nok Air run frequent 80-minute hops to Chiang Rai. Allow roughly 17 to 22 hours door to door, depending on your connection.
Chiang Rai rewards a few days of exploring. Top attractions include:
The airport lies about 8km north-east of the city centre, a 15 to 20 minute drive. Arrivals has a fixed-fare taxi desk with zone-based rates payable in baht for a few pounds. Many hotels offer transfers, international car hire is on site, and app-based rides are available too, though a taxi is the simplest choice after a long flight.
UK passport holders can currently enter Thailand for tourism without a visa, with stays recently extended to up to 60 days; confirm the latest position on GOV.UK before booking. Your passport should have at least six months' validity. The currency is the Thai baht, and pounds exchange easily at banks and ATMs. No vaccinations are required for entry, but check NHS Fit for Travel for up-to-date health advice.
Your allowance to Chiang Rai depends on the airline and the fare you book. The table below shows typical long-haul allowances so you know roughly what to expect — always confirm the exact limits with your airline before you fly.
| Fare type | Hand baggage | Checked baggage |
|---|---|---|
| Basic / Light economy | 1 small under-seat bag | Usually none — add for a fee |
| Standard economy | 1 cabin bag + 1 personal item | Typically 1 × 23 kg |
| Premium economy | 1–2 cabin bags + personal item | Typically 2 × 23 kg |
| Business / First | 2 cabin bags + personal item | Typically 2 × 32 kg |
Indicative only. Allowances vary by airline, route and fare — always check your airline's baggage policy.
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