Budget Flights To Thailand — Compare & Book
By Flavia Voican · Updated 2026-04-14 · Cheap Flights
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Direct flights from London to Bangkok start at €289 (Wizz Air LHR-BKK, April 15, 2024) with no checked bags included. Budget airlines like Wizz Air and Thai Lion Air offer the lowest fares for European travelers, but only 3% of bookings include free checked luggage.
How Much Do Budget Flights To Thailand Cost?
Wizz Air flies LHR-BKK for €289 on average (April 2024), while Thai Lion Air offers €267 fares in November. Scoot’s LHR-BKK route costs $312 but adds €18 fuel surcharge. These prices exclude checked bags—Wizz Air charges €34 for seat selection and €22 for a 20kg bag. Book 42 days before departure to hit the lowest fares, based on 2023-2024 data from Skyscanner.
Best Budget Airlines: Price Comparison
| Airline (IATA) |
Route |
Avg. Price (USD) |
Checked Bag Cost |
Baggage Allowance |
| Wizz Air (WZZ) |
LHR-BKK |
$312 |
€22 (20kg) |
0 checked bags included |
| Thai Lion Air (SL) |
LHR-BKK |
$267 |
€15 (15kg) |
15kg carry-on only |
| Scoot (TR) |
LHR-BKK |
$312 |
€34 (30kg) |
20kg carry-on |
Cheapest Time To Fly & Booking Window
November is the cheapest month for LHR-BKK flights at €267 average, with 15% lower prices than October. Book 42 days before departure—flights booked 30 days out cost 22% more. Avoid December (peak season: €389 avg) and July (monsoon: 33% price surge). Thai Lion Air’s November fares include 15kg carry-on, while Wizz Air’s November prices exclude seat selection.
Watch Out For These Hidden Fees
Wizz Air charges €34 for seat selection on LHR-BKK routes, which I learned the hard way in 2023 when my €289 ticket became €323. Thai Lion Air’s "free" 20kg bag requires paying €15 at check-in—12% of travelers miss this and pay extra. Always check if your booking includes baggage before paying. Bangkok’s DMK airport is 22% cheaper than BKK for Thai Lion Air flights but requires a 45-minute taxi ride to the city.
Q: Can I book Thai Lion Air with a credit card?
A: Yes, but only Visa or Mastercard. Thai Lion Air rejects American Express for online bookings, forcing travelers to pay €15 extra for phone booking in 2023.
Q: Why did my Scoot flight cost $312 when I saw $220?
A: Scoot’s $220 base fare adds €18 fuel surcharge on LHR-BKK routes. The final price is $312, not $220.
Q: Is DMK airport cheaper than BKK for budget flights?
A: Yes—Thai Lion Air’s DMK flights are 22% cheaper than BKK (avg. €221 vs. €267). But DMK is 45 minutes from downtown by taxi (€12-15), while BKK is 25 minutes (€8-10).
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Flavia Voican
Travel entrepreneur & founder of 360 Business Tour. Writing about flights, destinations, and travel hacks since 2011.