Delta Air Lines
DL-2359
15:10
05/11/2026
PDX
Portland International Airport
8h 4m
1 Stop
⏱ MSP · 1h 28mMSP Airport
23:14
05/11/2026
BIL
Billings Logan International Airport
₹15,318
per person
Delta Air Lines
DL-1244
17:05
05/11/2026
PDX
Portland International Airport
5h 47m
1 Stop
⏱ SLC · 1h 30mSLC Airport
22:52
05/11/2026
BIL
Billings Logan International Airport
₹18,118
per person
Delta Air Lines
DL-3913
20:11
05/11/2026
PDX
Portland International Airport
26h 41m
2 Stops
⏱ SEA · 20h 5mSEA Airport⏱ SLC · 0h 34mSLC Airport
22:52
05/12/2026
+1
BIL
Billings Logan International Airport
₹22,700
per person
Delta Air Lines
DL-3918
17:51
05/11/2026
PDX
Portland International Airport
29h 1m
2 Stops
⏱ SEA · 22h 40mSEA Airport⏱ SLC · 0h 34mSLC Airport
22:52
05/12/2026
+1
BIL
Billings Logan International Airport
₹22,700
per person
alaskaairlines
AS-2161
10:30
05/11/2026
PDX
Portland International Airport
2h 56m
Non-stop
13:26
05/11/2026
BIL
Billings Logan International Airport
₹23,116
per person
Delta Air Lines
DL-2459
20:20
05/11/2026
PDX
Portland International Airport
14h 34m
2 Stops
⏱ LAX · 7h 3mLAX Airport⏱ SLC · 0h 35mSLC Airport
10:54
05/12/2026
+1
BIL
Billings Logan International Airport
₹27,572
per person
Delta Air Lines
DL-2551
17:18
05/11/2026
PDX
Portland International Airport
17h 36m
2 Stops
⏱ LAX · 10h 6mLAX Airport⏱ SLC · 0h 35mSLC Airport
10:54
05/12/2026
+1
BIL
Billings Logan International Airport
₹27,572
per person
Delta Air Lines
DL-2766
13:35
05/11/2026
PDX
Portland International Airport
21h 19m
2 Stops
⏱ LAX · 13h 52mLAX Airport⏱ SLC · 0h 35mSLC Airport
10:54
05/12/2026
+1
BIL
Billings Logan International Airport
₹27,572
per person
Delta Air Lines
DL-2459
20:20
05/11/2026
PDX
Portland International Airport
26h 32m
2 Stops
⏱ LAX · 18h 23mLAX Airport⏱ SLC · 1h 31mSLC Airport
22:52
05/12/2026
+1
BIL
Billings Logan International Airport
₹27,572
per person
Delta Air Lines
DL-2947
06:50
05/11/2026
PDX
Portland International Airport
28h 4m
2 Stops
⏱ LAX · 20h 33mLAX Airport⏱ SLC · 0h 35mSLC Airport
10:54
05/12/2026
+1
BIL
Billings Logan International Airport
₹27,572
per person
Delta Air Lines
DL-4062
15:30
05/11/2026
PDX
Portland International Airport
7h 22m
2 Stops
⏱ SEA · 1h 8mSEA Airport⏱ SLC · 0h 34mSLC Airport
22:52
05/11/2026
BIL
Billings Logan International Airport
₹27,608
per person
alaskaairlines
AS-3048
17:30
05/11/2026
PDX
Portland International Airport
5h 29m
1 Stop
⏱ SEA · 1h 28mSEA Airport
22:59
05/11/2026
BIL
Billings Logan International Airport
₹28,427
per person
Delta Air Lines
DL-3913
20:11
05/11/2026
PDX
Portland International Airport
14h 43m
2 Stops
⏱ SEA · 7h 50mSEA Airport⏱ SLC · 0h 47mSLC Airport
10:54
05/12/2026
+1
BIL
Billings Logan International Airport
₹28,793
per person
Delta Air Lines
DL-3918
17:51
05/11/2026
PDX
Portland International Airport
17h 3m
2 Stops
⏱ SEA · 10h 25mSEA Airport⏱ SLC · 0h 47mSLC Airport
10:54
05/12/2026
+1
BIL
Billings Logan International Airport
₹28,793
per person
Delta Air Lines
DL-4062
15:30
05/11/2026
PDX
Portland International Airport
19h 24m
2 Stops
⏱ SEA · 12h 53mSEA Airport⏱ SLC · 0h 47mSLC Airport
10:54
05/12/2026
+1
BIL
Billings Logan International Airport
₹28,793
per person
Delta Air Lines
DL-3802
12:20
05/11/2026
PDX
Portland International Airport
22h 34m
2 Stops
⏱ SEA · 16h 5mSEA Airport⏱ SLC · 0h 47mSLC Airport
10:54
05/12/2026
+1
BIL
Billings Logan International Airport
₹28,793
per person
Delta Air Lines
DL-4023
11:20
05/11/2026
PDX
Portland International Airport
23h 34m
2 Stops
⏱ SEA · 16h 59mSEA Airport⏱ SLC · 0h 47mSLC Airport
10:54
05/12/2026
+1
BIL
Billings Logan International Airport
₹28,793
per person
Delta Air Lines
DL-3965
07:05
05/11/2026
PDX
Portland International Airport
27h 49m
2 Stops
⏱ SEA · 21h 10mSEA Airport⏱ SLC · 0h 47mSLC Airport
10:54
05/12/2026
+1
BIL
Billings Logan International Airport
₹28,793
per person
Delta Air Lines
DL-4008
05:30
05/11/2026
PDX
Portland International Airport
29h 24m
2 Stops
⏱ SEA · 22h 55mSEA Airport⏱ SLC · 0h 47mSLC Airport
10:54
05/12/2026
+1
BIL
Billings Logan International Airport
₹28,793
per person
Alaska Airlines
AS-2113
19:18
05/11/2026
PDX
Portland International Airport
27h 41m
1 Stop
⏱ SEA · 23h 50mSEA Airport
22:59
05/12/2026
+1
BIL
Billings Logan International Airport
₹30,188
per person
Delta Air Lines
DL-3802
12:20
05/11/2026
PDX
Portland International Airport
10h 32m
2 Stops
⏱ SEA · 4h 20mSEA Airport⏱ SLC · 0h 34mSLC Airport
22:52
05/11/2026
BIL
Billings Logan International Airport
₹30,760
per person
Delta Air Lines
DL-4023
11:20
05/11/2026
PDX
Portland International Airport
11h 32m
2 Stops
⏱ SEA · 5h 14mSEA Airport⏱ SLC · 0h 34mSLC Airport
22:52
05/11/2026
BIL
Billings Logan International Airport
₹30,760
per person
Delta Air Lines
DL-3965
07:05
05/11/2026
PDX
Portland International Airport
15h 47m
2 Stops
⏱ SEA · 9h 25mSEA Airport⏱ SLC · 0h 34mSLC Airport
22:52
05/11/2026
BIL
Billings Logan International Airport
₹30,760
per person
Delta Air Lines
DL-4008
05:30
05/11/2026
PDX
Portland International Airport
17h 22m
2 Stops
⏱ SEA · 11h 10mSEA Airport⏱ SLC · 0h 34mSLC Airport
22:52
05/11/2026
BIL
Billings Logan International Airport
₹30,760
per person
Delta Air Lines
DL-1270
05:45
05/11/2026
PDX
Portland International Airport
5h 9m
1 Stop
⏱ SLC · 0h 45mSLC Airport
10:54
05/11/2026
BIL
Billings Logan International Airport
₹31,642
per person
😕 No flights match your filters.
Portland International (PDX)
📍 Portland International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 45.58869934
📐 Longitude: -122.5979996
Billings (BIL)
📍 Billings Logan International Airport
🌍 United States
🕐 GMT -7
📐 Latitude: 45.807701110839844
📐 Longitude: -108.54299926757812
✈ Distance: Portland International,USA to Billings,USA — 1090.41 km
📅 Results on this page are loaded for 11 May 2026. Click View all flights for the complete live search.
Portland International to Billings — what to expect when booking
The PDX–BIL 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 Portland International,USA and Billings,USA is approximately 1090.41 km.
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More flights from Portland International (PDX)
54 routes
More flights from Portland International (PDX)
54 routes
Portland International → Albuquerque
PDX → ABQ
Portland International → Amsterdam
PDX → AMS
Portland International → Anchorage
PDX → ANC
Portland International → Atlanta
PDX → ATL
Portland International → Bellingham
PDX → BLI
Portland International → Boise
PDX → BOI
Portland International → Boston
PDX → BOS
Portland International → Burbank
PDX → BUR
Portland International → Calgary
PDX → YYC
Portland International → Charlotte
PDX → CLT
Portland International → Chicago
PDX → ORD
Portland International → Denver
PDX → DEN
Portland International → Detroit
PDX → DTW
Portland International → Eugene
PDX → EUG
Portland International → Fort Worth
PDX → DFW
Portland International → Fresno
PDX → FAT
Portland International → Honolulu
PDX → HNL
Portland International → Houston
PDX → IAH
Portland International → Kahului
PDX → OGG
Portland International → Kansas City
PDX → MCI
Portland International → Klamath Fall
PDX → LMT
Portland International → Las Vegas
PDX → LAS
Portland International → Long Beach
PDX → LGB
Portland International → Los Angeles
PDX → LAX
Portland International → Medford
PDX → MFR
Portland International → Minneapolis
PDX → MSP
Portland International → Missula
PDX → MSO
Portland International → New York
PDX → JFK
Portland International → North Bend
PDX → OTH
Portland International → Oakland
PDX → OAK
Portland International → Oklahoma City
PDX → OKC
Portland International → Ontario
PDX → ONT
Portland International → Palm Springs
PDX → PSP
Portland International → Pasco
PDX → PSC
Portland International → Pendelton
PDX → PDT
Portland International → Philadelphia
PDX → PHL
Portland International → Phoenix
PDX → PHX
Portland International → Redmond
PDX → RDM
Portland International → Reno
PDX → RNO
Portland International → Sacramento
PDX → SMF
Portland International → Salt Lake City
PDX → SLC
Portland International → San Diego
PDX → SAN
Portland International → San Francisco
PDX → SFO
Portland International → San Jose
PDX → SJC
Portland International → Santa Ana
PDX → SNA
Portland International → Santa Barbara
PDX → SBA
Portland International → Santa Rosa
PDX → STS
Portland International → Seattle
PDX → SEA
Portland International → Spokane
PDX → GEG
Portland International → Tampa
PDX → TPA
Portland International → Tokyo
PDX → NRT
Portland International → Tucson
PDX → TUS
Portland International → Vancouver
PDX → YVR
Portland International → Washington DC
PDX → IAD
More flights from Billings (BIL)
12 routes
More flights from Billings (BIL)
12 routes
Billings → Denver
BIL → DEN
Billings → Glasgow
BIL → GGW
Billings → Glendive
BIL → GDV
Billings → Havre
BIL → HVR
Billings → Las Vegas
BIL → LAS
Billings → Minneapolis
BIL → MSP
Billings → Phoenix-Mesa Gateway
BIL → AZA
Billings → Portland International
BIL → PDX
Billings → Salt Lake City
BIL → SLC
Billings → Seattle
BIL → SEA
Billings → Sidney
BIL → SDY
Billings → Wolf Point
BIL → OLF
