Typical price difference
+2%฿39,404 here compared with ฿38,702
One-way and roundtrip flights from Bangkok19°Mild
Flights to Helsinki in September 2026
🏙️City
DepartureTue, Sep 15± 15 days
- Lowest fare
- ฿18,528 Sep 29
- Roundtrip from
- ฿29,786
- Typical roundtrip
- ฿39,404
Top deals
Flights and prices
Helsinki: prices, dates and useful details
Planning a trip to Helsinki? Compare dates, airlines, flight times and direct options from Bangkok. 30 one-way fares from ฿18,528 · 522 roundtrips from ฿29,786. These results are for september 2026.
- One way from
- ฿18,528
- 30 outbound-only options
- Roundtrip from
- ฿29,786
- 522 complete trips
- Typical roundtrip
- ฿39,404
- Half cost less, half cost more
- Flight options
- 522
- Roundtrips available
Saved searches
Save this search
Filters
Daily prices to Helsinki15 days around September 15, 2026
AvgMinp25–p75
Cheapest
฿18,528
Sep 29
Global average
฿19,186
All travel dates
September avg
฿19,556
Selected month
Sort bySort by
Best Deals
Trip datesFlight itineraryTotal fareView
tue · Sep 29One way
Departuretue · Sep 29
One way2026
00:30BKK → HEL14:2512h 55m · 1 stop
5h layover Stockholm
Outbound00:30BKK14:25HEL12h 55m1 stop · via Stockholm
Operated by
Finnair
Thai Airways
FinnairThai Airways฿18,528
฿19,186-3%
฿658 below average
FinnairThai AirwaysOne-way fare฿18,528฿19,186−3%Save ฿658View deal
Cheapest of September 2026
wed · Sep 30One way
Departurewed · Sep 30
One way2026
00:30BKK → HEL12:5512h 55m · 1 stop
3h 30m layover Stockholm
Outbound00:30BKK12:55HEL12h 55m1 stop · via Stockholm
Operated byFinnairThai Airways
FinnairThai Airways฿18,565
฿19,186-3%
฿621 below average
FinnairThai AirwaysOne-way fare฿18,565฿19,186−3%Save ฿621View deal
Lowest 10% of September 2026
thu · Sep 24One way
Departurethu · Sep 24
One way2026
00:30BKK → HEL12:5512h 55m · 1 stop
3h 30m layover Stockholm
Outbound00:30BKK12:55HEL12h 55m1 stop · via Stockholm
Operated byFinnairThai Airways
FinnairThai Airways฿18,601
฿19,186-3%
฿585 below average
FinnairThai AirwaysOne-way fare฿18,601฿19,186−3%Save ฿585View deal
Lowest 10% of September 2026
mon · Sep 28One way
Departuremon · Sep 28
One way2026
00:30BKK → HEL12:5512h 55m · 1 stop
3h 30m layover Stockholm
Outbound00:30BKK12:55HEL12h 55m1 stop · via Stockholm
Operated byFinnairThai Airways
FinnairThai Airways฿18,638
฿19,186-3%
฿548 below average
FinnairThai AirwaysOne-way fare฿18,638฿19,186−3%Save ฿548View deal
Lowest 10% of September 2026
sun · Sep 27One way
Departuresun · Sep 27
One way2026
00:30BKK → HEL12:5512h 55m · 1 stop
3h 30m layover Stockholm
Outbound00:30BKK12:55HEL12h 55m1 stop · via Stockholm
Operated byFinnairThai Airways
FinnairThai Airways฿18,638
฿19,186-3%
฿548 below average
FinnairThai AirwaysOne-way fare฿18,638฿19,186−3%Save ฿548View deal
Lowest 10% of September 2026
fri · Sep 25One way
Departurefri · Sep 25
One way2026
00:30BKK → HEL12:5512h 55m · 1 stop
3h 30m layover Stockholm
Outbound00:30BKK12:55HEL12h 55m1 stop · via Stockholm
Operated byFinnairThai Airways
FinnairThai Airways฿18,784
฿19,186-2%
฿402 below average
FinnairThai AirwaysOne-way fare฿18,784฿19,186−2%Save ฿402View deal
Lowest 10% of September 2026
tue · Sep 22One way
Departuretue · Sep 22
One way2026
00:30BKK → HEL14:2512h 55m · 1 stop
5h layover Stockholm
Outbound00:30BKK14:25HEL12h 55m1 stop · via Stockholm
Operated byFinnairThai Airways
FinnairThai Airways฿18,967
฿19,186-1%
฿219 below average
FinnairThai AirwaysOne-way fare฿18,967฿19,186−1%Save ฿219View deal
wed · Sep 23One way
Departurewed · Sep 23
One way2026
00:30BKK → HEL12:5512h 55m · 1 stop
3h 30m layover Stockholm
Outbound00:30BKK12:55HEL12h 55m1 stop · via Stockholm
Operated byFinnairThai Airways
FinnairThai Airways฿18,967
฿19,186-1%
฿219 below average
FinnairThai AirwaysOne-way fare฿18,967฿19,186−1%Save ฿219View deal
fri · Sep 18One way
Departurefri · Sep 18
One way2026
00:30BKK → HEL13:4512h 50m · 1 stop
4h 25m layover Stockholm
Outbound00:30BKK13:45HEL12h 50m1 stop · via Stockholm
Operated by
SASThai Airways
SASThai Airways฿19,213
SASThai AirwaysCurrent fare
One-way fare฿19,213Current fareView deal
fri · Sep 11One way
Departurefri · Sep 11
One way2026
00:30BKK → HEL13:4512h 50m · 1 stop
4h 25m layover Stockholm
Outbound00:30BKK13:45HEL12h 50m1 stop · via Stockholm
Operated bySASThai Airways
SASThai Airways฿19,339
SASThai AirwaysCurrent fare
One-way fare฿19,339Current fareView deal
mon · Sep 21One way
Departuremon · Sep 21
One way2026
00:30BKK → HEL12:5513h 5m · 1 stop
3h 20m layover Stockholm
Outbound00:30BKK12:55HEL13h 5m1 stop · via Stockholm
Operated bySASThai Airways
SASThai Airways฿19,339
SASThai AirwaysCurrent fare
One-way fare฿19,339Current fareView deal
wed · Sep 16One way
Departurewed · Sep 16
One way2026
00:30BKK → HEL12:5513h 5m · 1 stop
3h 20m layover Stockholm
Outbound00:30BKK12:55HEL13h 5m1 stop · via Stockholm
Operated bySASThai Airways
SASThai Airways฿19,339
SASThai AirwaysCurrent fare
One-way fare฿19,339Current fareView deal
thu · Sep 17One way
Departurethu · Sep 17
One way2026
00:30BKK → HEL12:5513h 5m · 1 stop
3h 20m layover Stockholm
Outbound00:30BKK12:55HEL13h 5m1 stop · via Stockholm
Operated bySASThai Airways
SASThai Airways฿19,369
SASThai AirwaysCurrent fare
One-way fare฿19,369Current fareView deal
tue · Sep 15One way
Departuretue · Sep 15
One way2026
00:30BKK → HEL12:5513h 5m · 1 stop
3h 20m layover Stockholm
Outbound00:30BKK12:55HEL13h 5m1 stop · via Stockholm
Operated bySASThai Airways
SASThai Airways฿19,381
SASThai AirwaysCurrent fare
One-way fare฿19,381Current fareView deal
sun · Sep 20One way
Departuresun · Sep 20
One way2026
00:30BKK → HEL12:5512h 55m · 1 stop
3h 30m layover Stockholm
Outbound00:30BKK12:55HEL12h 55m1 stop · via Stockholm
Operated byFinnairThai Airways
FinnairThai Airways฿19,406
FinnairThai AirwaysCurrent fare
One-way fare฿19,406Current fareView deal
sun · Sep 13One way
Departuresun · Sep 13
One way2026
00:30BKK → HEL12:5512h 55m · 1 stop
3h 30m layover Stockholm
Outbound00:30BKK12:55HEL12h 55m1 stop · via Stockholm
Operated byFinnairThai Airways
FinnairThai Airways฿19,516
FinnairThai AirwaysCurrent fare
One-way fare฿19,516Current fareView deal
thu · Sep 10One way
Departurethu · Sep 10
One way2026
00:30BKK → HEL12:5512h 55m · 1 stop
3h 30m layover Stockholm
Outbound00:30BKK12:55HEL12h 55m1 stop · via Stockholm
Operated byFinnairThai Airways
FinnairThai Airways฿19,625
FinnairThai AirwaysCurrent fare
One-way fare฿19,625Current fareView deal
mon · Sep 14One way
Departuremon · Sep 14
One way2026
00:30BKK → HEL12:5512h 55m · 1 stop
3h 30m layover Stockholm
Outbound00:30BKK12:55HEL12h 55m1 stop · via Stockholm
Operated byFinnairThai Airways
FinnairThai Airways฿19,662
FinnairThai AirwaysCurrent fare
One-way fare฿19,662Current fareView deal
wed · Sep 9One way
Departurewed · Sep 9
One way2026
00:30BKK → HEL12:5512h 55m · 1 stop
3h 30m layover Stockholm
Outbound00:30BKK12:55HEL12h 55m1 stop · via Stockholm
Operated byFinnairThai Airways
FinnairThai Airways฿19,662
FinnairThai AirwaysCurrent fare
One-way fare฿19,662Current fareView deal
tue · Sep 8One way
Departuretue · Sep 8
One way2026
00:30BKK → HEL14:2512h 55m · 1 stop
5h layover Stockholm
Outbound00:30BKK14:25HEL12h 55m1 stop · via Stockholm
Operated byFinnairThai Airways
FinnairThai Airways฿19,698
FinnairThai AirwaysCurrent fare
One-way fare฿19,698Current fareView deal
Plan with confidence
Find the trip that fits
Compare prices, dates, airlines and travel time. Then choose the deal that feels right.
See the difference
September 2026 at a glance
Compare price, non-stop choice and travel time with other Helsinki options.
Non-stop options
0%+0 points compared with other flights
Typical flight time
13h 40m0h 5m shorter than the comparison
Roundtrip options
522Trips ready to compare
Typical prices
What do Helsinki roundtrips usually cost?
This distribution uses roundtrip prices only; one-way prices remain in their own labeled summary.
Lowest฿29,786
Typical low฿38,245
Typical฿39,404
Typical high฿40,509
Flexible dates
Cheapest departure dates for Helsinki
Compare nearby dates to see where the better prices are. Always check the final price before booking.
฿39,330
Sep 1
฿41,859
Sep 2
฿39,293
Sep 3
฿40,103
Sep 4
฿39,813
Sep 5
฿37,643
Sep 6
฿39,388
Sep 7
฿41,452
Sep 8
฿37,441
Sep 9
฿38,245
Sep 10
฿38,246
Sep 11
฿40,048
Sep 12
฿39,405
Sep 13
฿39,432
Sep 14
฿38,720
Sep 15
฿38,413
Sep 16
฿38,232
Sep 17
฿42,453
Sep 18
฿39,813
Sep 19
฿38,020
Sep 20
฿37,137
Sep 21
฿37,467
Sep 22
฿38,688
Sep 23
฿38,818
Sep 24
฿39,330
Sep 25
฿41,172
Sep 26
฿42,286
Sep 27
฿39,677
Sep 28
฿39,393
Sep 29
฿40,971
Sep 30
Flexible timing
Compare Helsinki by travel month
Open a month to compare its dates, prices and available flights.
Airline comparison
Which airlines show the lowest Helsinki fares?
Some trips combine airlines, so check both flights before you book.
| Comparison | Lowest | Typical range | Results | Non-stop |
|---|---|---|---|---|
| 1Lufthansa | ฿29,786 | — | 3 | — |
| 2Finnair | ฿34,223 | ฿38,232–฿39,895 | 260 | 0% |
| 3SAS | ฿34,223 | ฿38,333–฿39,740 | 220 | 0% |
| 4Thai Airways | ฿34,223 | ฿38,352–฿40,085 | 410 | 0% |
| 5Norwegian Air International | ฿34,541 | ฿37,624–฿40,030 | 138 | 0% |
| 6Turkish Airlines | ฿36,476 | ฿36,736–฿42,196 | 160 | 0% |
| 7Norwegian | ฿38,228 | ฿38,246–฿38,282 | 14 | — |
| 8Juneyao Airlines | ฿39,285 | ฿39,404–฿39,813 | 74 | 0% |
| 9Qatar Airways | ฿43,568 | — | 9 | — |
Weather through the year
Typical temperatures in Helsinki
Usual monthly temperatures can help you choose when to go. They are not a live forecast.
5°Jan
6°Feb
9°Mar
13°Apr
17°May
21°Jun
24°Jul
23°Aug
19°Sep
14°Oct
9°Nov
6°Dec
Useful trip facts
What to know about Helsinki
- Country
- Finland
- Arrival code
- HEL
- Local-cost group
- 4 / 5
- Typical annual temperature
- 14°C
- Trip styles
- City
- Typical outbound from Bangkok
- 13h 40m
- Typical stay
- 11 nights
A broad comparison, separate from airfare
Usual temperature, not a forecast
Why go
Why travelers consider Helsinki
Daughter of the Baltic. A functional, maritime city of saunas, design, and nature.
Explore related searches
Common questions about Helsinki
What is the lowest available one-way fare for Helsinki?
The lowest available one-way fare is ฿18,528. It is compared only with other one-way fares.
What is the lowest available roundtrip fare for Helsinki?
The lowest available roundtrip fare is ฿29,786. Check the dates, baggage and final total before booking.
What is a typical fare for Helsinki?
A typical fare is ฿39,404. Many available options sit between ฿38,245 and ฿40,509.
How many choices are available for Helsinki?
Choose from 522 roundtrip flights across 1 destination in 1 country.
Are direct flights available for Helsinki?
0 roundtrip flights are non-stop both ways. That is 0% of the current choices.
Which month has the lowest fares for Helsinki?
Sep 2026 has the lowest available roundtrip fare, from ฿29,786.
When is the best time to fly from Bangkok to Helsinki?
Based on current prices, September 2026 offers some of the best deals from Bangkok to Helsinki. Check the month-by-month breakdown on this page for the cheapest times to fly.
Are there direct flights from Bangkok to Helsinki?
Availability of direct flights depends on the season and airline. Use the "Direct" filter on our search page to find non-stop flights from Bangkok to Helsinki.