HLN to SEA

Helena to Seattle flight ticket price

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

HLN
Helena (HLN), United StatesHelena
SEA
Seattle (SEA), United StatesSeattle/tacoma International
Search

Live flights for Sat, 06 Jun 2026

Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.

Showing flight options for the selected travel date.
Currency: USD
Sat, 06 JunHLN to SEA$392 Sun, 07 JunHLN to SEA Mon, 08 JunHLN to SEA Tue, 09 JunHLN to SEA Wed, 10 JunHLN to SEA Thu, 11 JunHLN to SEA Fri, 12 JunHLN to SEA
Sort By:DepartureDurationArrivalPrice
Delta Air Lines
Delta Air Lines
DL-3901
05:45
2026-06-06
Helena (HLN)United StatesHelena
4H :30 M
1 Stop
SLC · 0h 51mSalt Lake City (SLC), United States
09:15
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$392
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4660
06:15
2026-06-06
Helena (HLN)United StatesHelena
8H :09 M
1 Stop
DEN · 3h 11mDenver (DEN), United States
13:24
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$392
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3880
13:03
2026-06-06
Helena (HLN)United StatesHelena
4H :39 M
1 Stop
SLC · 0h 45mSalt Lake City (SLC), United States
16:42
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$392
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3880
13:03
2026-06-06
Helena (HLN)United StatesHelena
6H :43 M
1 Stop
SLC · 2h 51mSalt Lake City (SLC), United States
18:46
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$392
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5911
14:20
2026-06-06
Helena (HLN)United StatesHelena
7H :59 M
1 Stop
DEN · 2h 44mDenver (DEN), United States
21:19
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$392
total fare
Non Refundable 6 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5911
14:20
2026-06-06
Helena (HLN)United StatesHelena
10H :12 M
1 Stop
DEN · 1h 18mDenver (DEN), United States
23:32
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$397
total fare
Non Refundable 5 Seat Left Economy
Cabin: Included
Alaska Airlines
Alaska Airlines
AS-2194
16:43
2026-06-06
Helena (HLN)United StatesHelena
1H :50 M
Non Stop
17:33
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$444
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5911
14:20
2026-06-06
Helena (HLN)United StatesHelena
25H :19 M
2 Stops
DEN · 0h 49mDenver (DEN), United States
LAX · 16h 46mLos Angeles (LAX), United States
14:39
2026-06-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$543
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3880
13:03
2026-06-06
Helena (HLN)United StatesHelena
19H :52 M
2 Stops
SLC · 3h 55mSalt Lake City (SLC), United States
DTW · 5h 53mDetroit (DTW), United States
07:55
2026-06-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$583
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3880
13:03
2026-06-06
Helena (HLN)United StatesHelena
34H :31 M
2 Stops
SLC · 3h 55mSalt Lake City (SLC), United States
DTW · 20h 27mDetroit (DTW), United States
22:34
2026-06-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$583
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4660
06:15
2026-06-06
Helena (HLN)United StatesHelena
26H :45 M
1 Stop
DEN · 21h 47mDenver (DEN), United States
08:00
2026-06-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$617
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4660
06:15
2026-06-06
Helena (HLN)United StatesHelena
28H :45 M
1 Stop
DEN · 23h 48mDenver (DEN), United States
10:00
2026-06-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$617
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5911
14:20
2026-06-06
Helena (HLN)United StatesHelena
18H :40 M
1 Stop
DEN · 13h 24mDenver (DEN), United States
08:00
2026-06-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$617
total fare
Non Refundable 8 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5911
14:20
2026-06-06
Helena (HLN)United StatesHelena
20H :40 M
1 Stop
DEN · 15h 25mDenver (DEN), United States
10:00
2026-06-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$617
total fare
Non Refundable 8 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5911
14:20
2026-06-06
Helena (HLN)United StatesHelena
24H :04 M
1 Stop
DEN · 18h 48mDenver (DEN), United States
13:24
2026-06-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$617
total fare
Non Refundable 8 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5911
14:20
2026-06-06
Helena (HLN)United StatesHelena
26H :35 M
1 Stop
DEN · 21h 19mDenver (DEN), United States
15:55
2026-06-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$617
total fare
Non Refundable 8 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4660
06:15
2026-06-06
Helena (HLN)United StatesHelena
16H :53 M
2 Stops
DEN · 1h 49mDenver (DEN), United States
LAX · 7h 41mLos Angeles (LAX), United States
22:08
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$640
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5911
14:20
2026-06-06
Helena (HLN)United StatesHelena
28H :22 M
1 Stop
DEN · 23h 05mDenver (DEN), United States
17:42
2026-06-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$644
total fare
Non Refundable 8 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3880
13:03
2026-06-06
Helena (HLN)United StatesHelena
30H :42 M
2 Stops
SLC · 3h 55mSalt Lake City (SLC), United States
DTW · 16h 39mDetroit (DTW), United States
18:45
2026-06-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$664
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3901
05:45
2026-06-06
Helena (HLN)United StatesHelena
12H :06 M
2 Stops
SLC · 0h 37mSalt Lake City (SLC), United States
LAX · 5h 15mLos Angeles (LAX), United States
16:51
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$689
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3901
05:45
2026-06-06
Helena (HLN)United StatesHelena
19H :08 M
2 Stops
SLC · 0h 37mSalt Lake City (SLC), United States
LAX · 12h 15mLos Angeles (LAX), United States
23:53
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$689
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3880
13:03
2026-06-06
Helena (HLN)United StatesHelena
11H :50 M
2 Stops
SLC · 0h 55mSalt Lake City (SLC), United States
LAX · 4h 29mLos Angeles (LAX), United States
23:53
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$689
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included

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Delta Air Lines
Delta Air Lines
DL-3901
05:45
2026-06-06
Helena (HLN)United StatesHelena
15H :43 M
2 Stops
SLC · 0h 37mSalt Lake City (SLC), United States
LAX · 8h 50mLos Angeles (LAX), United States
20:28
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$710
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3901
05:45
2026-06-06
Helena (HLN)United StatesHelena
5H :51 M
2 Stops
SLC · 0h 52mSalt Lake City (SLC), United States
PDX · 0h 28mPortland (PDX), United States
10:36
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$783
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3901
05:45
2026-06-06
Helena (HLN)United StatesHelena
8H :38 M
2 Stops
SLC · 0h 52mSalt Lake City (SLC), United States
PDX · 3h 28mPortland (PDX), United States
13:23
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$783
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3880
13:03
2026-06-06
Helena (HLN)United StatesHelena
21H :02 M
1 Stop
SLC · 17h 10mSalt Lake City (SLC), United States
09:05
2026-06-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$784
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
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Fare highlights

Selected flight highlights for 06 Jun 2026.

Open full search
Lowest fare $392 Delta Air Lines 05:45
Earliest departure $392 Delta Air Lines 05:45
Shortest duration $444 Alaska Airlines 16:43
Night 00:00-05:59 $392 Delta Air Lines at 05:45
Morning 06:00-11:59 $392 United Airlines at 06:15
Afternoon 12:00-17:59 $392 Delta Air Lines at 13:03
Evening 18:00-23:59 No option Open full search for more

Helena to Seattle route details

Helena (HLN)

Helena

United States

GMT -7

Latitude: 46.6068000793457

Longitude: -111.98300170898438

Seattle (SEA)

Seattle/tacoma International

United States

GMT -8

Latitude: 47.449001

Longitude: -122.308998

Distance: Helena (HLN), United States to Seattle (SEA), United States - 787.65 km
Flights shown for 06 Jun 2026. View all flights opens the complete search result.

Helena to Seattle - what to expect when booking

The HLN to SEA cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 787.65 km.

Before you book

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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)23 routes
Seattle → Albuquerque
SEA → ABQ
Seattle → Amsterdam
SEA → AMS
Seattle → Anchorage
SEA → ANC
Seattle → Atlanta
SEA → ATL
Seattle → Austin
SEA → AUS
Seattle → Beijing
SEA → PEK
Seattle → Bellingham
SEA → BLI
Seattle → Billings
SEA → BIL
Seattle → Boise
SEA → BOI
Seattle → Boston
SEA → BOS
Seattle → Bozeman
SEA → BZN
Seattle → Burbank
SEA → BUR
Seattle → Calgary
SEA → YYC
Seattle → Charlotte
SEA → CLT
Seattle → Chicago
SEA → MDW
Seattle → Colorado Springs
SEA → COS
Seattle → Dallas
SEA → DAL
Seattle → Denver
SEA → DEN
Seattle → Detroit Mi
SEA → DTW
Seattle → Dubai
SEA → DXB
Seattle → Edmonton
SEA → YEG
Seattle → Eugene
SEA → EUG
Seattle → Fairbanks
SEA → FAI
Frequently asked questions - Helena to Seattle flights
Generally yes. When your travel date is fixed, comparing live fares early gives you better visibility of timings, baggage and fare rules before prices change.
The approximate route distance between Helena (HLN) and Seattle (SEA) is 787.65 km. Actual flying distance can vary by airline routing.
Availability changes by airline schedule and date. Use the Stops filter to quickly check non-stop, one-stop and connecting options on this landing page.
Airline inventory can change within minutes. Book Now sends the selected result to the review flow where the fare is checked again before final booking.
Yes. The date strip and search box open the full search for the selected date, while this page keeps the route details easy to compare.