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Fares from Helena to Seattle
Compare live prices for HLN to SEA on Wed, 15 Apr 2026. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
HLN → SEA Approx. 787.65 km 15 Apr 2026 Live inventory
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Showing 25 of 54 live flights
alaskaairlines
AS-2222
18:22
04/15/2026
HLN
0h 49m
Non-stop
19:11
04/15/2026
SEA
₹10,392
per person
✕ Non-refundable10 fare options
Hawaiian Airlines
HA-6170
18:22
04/15/2026
HLN
0h 49m
Non-stop
19:11
04/15/2026
SEA
₹10,468
per person
✕ Non-refundable8 fare options
Delta Air Lines
DL-3901
05:40
04/15/2026
HLN
3h 35m
1 Stop
⏱ SLC · 0h 39m
09:15
04/15/2026
SEA
₹16,610
per person
✕ Non-refundable12 fare options
Delta Air Lines
DL-3880
13:04
04/15/2026
HLN
3h 44m
1 Stop
⏱ SLC · 0h 49m
16:48
04/15/2026
SEA
₹16,610
per person
✕ Non-refundable13 fare options
Delta Air Lines
DL-3880
13:04
04/15/2026
HLN
5h 26m
1 Stop
⏱ SLC · 2h 29m
18:30
04/15/2026
SEA
₹16,610
per person
✕ Non-refundable13 fare options
Delta Air Lines
DL-3901
05:40
04/15/2026
HLN
11h 0m
2 Stops
⏱ SLC · 0h 43m⏱ PDX · 6h 39m
16:40
04/15/2026
SEA
₹25,380
per person
✕ Non-refundable
Delta Air Lines
DL-3901
05:40
04/15/2026
HLN
13h 25m
2 Stops
⏱ SLC · 0h 43m⏱ PDX · 9h 9m
19:05
04/15/2026
SEA
₹25,380
per person
✕ Non-refundable
Delta Air Lines
DL-3901
05:40
04/15/2026
HLN
15h 10m
2 Stops
⏱ SLC · 0h 43m⏱ PDX · 10h 36m
20:50
04/15/2026
SEA
₹25,380
per person
✕ Non-refundable
United Airlines
UA-5911
14:25
04/15/2026
HLN
6h 41m
1 Stop
⏱ DEN · 2h 31m
21:06
04/15/2026
SEA
₹26,022
per person
✕ Non-refundable15 fare options
United Airlines
UA-4660
06:15
04/15/2026
HLN
7h 1m
1 Stop
⏱ DEN · 2h 51m
13:16
04/15/2026
SEA
₹26,022
per person
✕ Non-refundable🔥 Last 5 seats13 fare options
United Airlines
UA-5911
14:25
04/15/2026
HLN
9h 2m
1 Stop
⏱ DEN · 1h 23m
23:27
04/15/2026
SEA
₹30,246
per person
✕ Non-refundable12 fare options
United Airlines
UA-5911
14:25
04/15/2026
HLN
9h 2m
2 Stops
⏱ DEN · 1h 23m⏱ SFO · 1h 8m
23:27
04/15/2026
SEA
₹30,258
per person
✓ Refundable2 fare options
United Airlines
UA-4660
06:15
04/15/2026
HLN
13h 37m
2 Stops
⏱ DEN · 1h 16m⏱ LAX · 5h 32m
19:52
04/15/2026
SEA
₹30,260
per person
✕ Non-refundable🔥 Last 2 seats
United Airlines
UA-4660
06:15
04/15/2026
HLN
15h 24m
2 Stops
⏱ DEN · 1h 16m⏱ LAX · 7h 29m
21:39
04/15/2026
SEA
₹30,260
per person
✕ Non-refundable🔥 Last 5 seats
Delta Air Lines
DL-3901
05:40
04/15/2026
HLN
6h 45m
1 Stop
⏱ SLC · 3h 52m
12:25
04/15/2026
SEA
₹30,682
per person
✕ Non-refundable13 fare options
Delta Airlines
DL-3901
05:40
04/15/2026
HLN
18h 19m
1 Stop
⏱ SLC · 15h 33m
23:59
04/15/2026
SEA
₹36,152
per person
✕ Non-refundable7 fare options
Delta Airlines
DL-3880
13:04
04/15/2026
HLN
20h 11m
1 Stop
⏱ SLC · 17h 10m
09:15
04/16/2026
+1
SEA
₹37,082
per person
✕ Non-refundable7 fare options
Delta Airlines
DL-3880
13:04
04/15/2026
HLN
25h 42m
1 Stop
⏱ SLC · 22h 44m
14:46
04/16/2026
+1
SEA
₹37,082
per person
✕ Non-refundable5 fare options
United Airlines
UA-5911
14:25
04/15/2026
HLN
8h 31m
1 Stop
⏱ DEN · 4h 21m
22:56
04/15/2026
SEA
₹41,642
per person
✕ Non-refundable15 fare options
United Airlines
UA-4660
06:15
04/15/2026
HLN
27h 31m
1 Stop
⏱ DEN · 23h 21m
09:46
04/16/2026
+1
SEA
₹42,590
per person
✕ Non-refundable🔥 Last 2 seats10 fare options
United Airlines
UA-5911
14:25
04/15/2026
HLN
19h 21m
1 Stop
⏱ DEN · 15h 11m
09:46
04/16/2026
+1
SEA
₹42,590
per person
✕ Non-refundable🔥 Last 2 seats10 fare options
Delta Airlines
DL-3880
13:04
04/15/2026
HLN
23h 21m
1 Stop
⏱ SLC · 20h 23m
12:25
04/16/2026
+1
SEA
₹42,678
per person
✕ Non-refundable5 fare options
United Airlines
UA-5911
14:25
04/15/2026
HLN
18h 45m
1 Stop
⏱ DEN · 14h 26m
09:10
04/16/2026
+1
SEA
₹46,314
per person
✕ Non-refundable2 fare options
United Airlines
UA-4660
06:15
04/15/2026
HLN
26h 55m
1 Stop
⏱ DEN · 22h 36m
09:10
04/16/2026
+1
SEA
₹46,314
per person
✕ Non-refundable2 fare options
United Airlines
UA-5911
14:25
04/15/2026
HLN
7h 8m
1 Stop
⏱ DEN · 2h 50m
21:33
04/15/2026
SEA
₹46,728
per person
✕ Non-refundable2 fare options
😕 No flights match your filters.
Helena (HLN)
📍 Helena Regional Airport
🌍 United States
🕐 GMT -7
📐 Latitude: 46.6068000793457
📐 Longitude: -111.98300170898438
Seattle (SEA)
📍 Seattle Tacoma International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 47.449001
📐 Longitude: -122.308998

✈ Distance: Helena,USA to Seattle,USA — 787.65 km

📅 Results on this page are loaded for 15 Apr 2026. Click View all flights for the complete live search.

Helena to Seattle — what to expect when booking

The HLN–SEA route is served by multiple carriers throughout the year. Fares on this route can move quickly — a price available now may not be there 30 minutes later.

If your dates are flexible, try shifting your departure by a day or two using the date strip above. Mid-week departures often show lower base fares compared to weekend starts on many routes.

The distance between Helena,USA and Seattle,USA is approximately 787.65 km.

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More flights from Helena (HLN)
4 routes
Helena → Denver
HLN → DEN
Helena → Great Falls
HLN → GTF
Helena → Minneapolis
HLN → MSP
Helena → Salt Lake City
HLN → SLC
More flights from Seattle (SEA)
88 routes
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Seattle → Helena
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SEA → FCA
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SEA → LWS
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SEA → LIH
Seattle → London
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Seattle → Long Beach
SEA → LGB
Seattle → Los Angeles
SEA → LAX
Seattle → Medford
SEA → MFR
Seattle → Miami
SEA → MIA
Seattle → Milwaukee
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Seattle → Minneapolis
SEA → MSP
Seattle → Missula
SEA → MSO
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Seattle → Oakland
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Seattle → Redmond
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Seattle → Salt Lake City
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Seattle → Santa Barbara
SEA → SBA
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SEA → STS
Seattle → Seoul
SEA → ICN
Seattle → Shanghai
SEA → PVG
Seattle → Spokane
SEA → GEG
Seattle → St. Louis
SEA → STL
Seattle → Taipei
SEA → TPE
Seattle → Tampa
SEA → TPA
Seattle → Tokyo
SEA → HND
Seattle → Toronto
SEA → YYZ
Seattle → Tucson
SEA → TUS
Seattle → Vancouver
SEA → YVR
Seattle → Victoria
SEA → YYJ
Seattle → Walla Walla
SEA → ALW
Seattle → Washington DC
SEA → BWI
Seattle → Wenatchee
SEA → EAT
Seattle → Yakima
SEA → YKM
❓ Frequently asked questions — Helena to Seattle flights

Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.

The straight-line distance between Helena,USA (HLN) and Seattle,USA (SEA) is approximately 787.65 km. Actual flying distance may vary slightly depending on routing.

Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.

Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.