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.
PDXBILFri, 30 Oct
Fare checked before payment All fees shown upfront Transparent cancellation policy 24×7 booking support
Lowest fareUS$234Delta Air Lines
Fastest1h 50mgate to gate
Options found78flights on this route
Find your flightPDX → BIL
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Fare RulesNon-refundable fare. Final rules are verified before booking.
Delta Air Lines
DL-3918
17:49
2026-10-30
Portland (PDX)Portland International
17H :29 M
2 Stops
SEA
· 10h 25m Seattle (SEA), United States
SLC
· 2h 10m Salt Lake City (SLC), United States
12:18
2026-10-31
Billings (BIL)Billings
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$311
Flight DetailsPDX to BIL - 17H :29 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Delta Air Lines
DL-3918
17:49
2026-10-30
Portland (PDX)Portland International
22H :59 M
2 Stops
SEA
· 14h 37m Seattle (SEA), United States
SLC
· 3h 33m Salt Lake City (SLC), United States
17:48
2026-10-31
Billings (BIL)Billings
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$311
Flight DetailsPDX to BIL - 22H :59 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Delta Air Lines
DL-3820
20:44
2026-10-30
Portland (PDX)Portland International
14H :34 M
2 Stops
SEA
· 7h 30m Seattle (SEA), United States
SLC
· 2h 10m Salt Lake City (SLC), United States
12:18
2026-10-31
Billings (BIL)Billings
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$311
Flight DetailsPDX to BIL - 14H :34 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
No flights match the selected filters. Clear filters or open full search.
Airfare Highlights
From flights departing on Fri, 30 Oct 2026.
Lowest fare$234Delta Air Lines05:33
Earliest departure$276United Airlines05:00
Shortest duration$514Alaska Airlines12:14
Night
00:00-05:59
$234Delta Air Lines at 05:33Morning
06:00-11:59
$234Delta Air Lines at 09:55Afternoon
12:00-17:59
$234Delta Air Lines at 17:15Evening
18:00-23:59
$311Delta Air Lines at 20:44
Departure & Arrival Airport Details
Portland (PDX)
Portland International
United States
GMT -8
Latitude: 45.58869934
Longitude: -122.5979996
Billings (BIL)
Billings
United States
GMT -7
Latitude: 45.807701110839844
Longitude: -108.54299926757812
Distance: Portland (PDX), United States to Billings (BIL), United States - 1,090.41 km
Flights shown for 30 Oct 2026. View all flights opens the complete search result.
Fares and hotel rates usually run higher around these dates. Booking earlier or moving your trip by a day or two often costs less.
Busiest periods: Summer travel (15 Jun – 31 Aug), Holiday season (18 Dec – 02 Jan).
12OctColumbus DayMondayPeak
12OctColumbus DayMondayPeak
12OctIndigenous Peoples' DayMondayPeak
11NovVeterans DayWednesdayPeak
26NovThanksgiving DayThursdayPeak
25DecChristmas DayFridayPeak
Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here, so check the exact date for your travel year.
Compare your journey
How to travel Portland to Billings
Ways to make this trip that you can book on FlyX, compared by price and journey time.
OptionFromJourney timeAvailabilityAction
Non-stop flight Fastest₹49,6291h 50m1 flight
Connecting flight₹22,571Longer, includes a stop77 options
Air distance is about 1,090 km. 4 airlines operate this route.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from Portland to Billings
Compare fares, stops, baggage and refundability across the airlines flying this route.
AL
Alaska Airlines Flights
from $39635 flights
Fares from
$396
Non-stop
1 in these results
Departures
35 in the list above
DE
Delta Air Lines Flights
from $23433 flights
Fares from
$234
Non-stop
None in these results
Departures
33 in the list above
UN
United Airlines Flights
from $2769 flights
Fares from
$276
Non-stop
None in these results
Departures
9 in the list above
Route Overview & Flight Facts
Fastest flight duration
1h 50m · Alaska Airlines
First departure of the day
05:00 · United Airlines
Last departure of the day
23:00 · Delta Air Lines
Flight options found
78
Direct / non-stop options
1
Airport codes
Portland–PDX, Billings–BIL
Fares and timings are indicative. The exact price is confirmed with the airline when you search.
Flight Schedule, Timings & Airfare Insights
Daily Flight Schedule & Travel Duration
The search for Fri, 30 Oct found 78 flight options, 1 of them non-stop. The first flight leaves around 05:00 and the last around 23:00. The fastest flight takes about 1h 50m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Night from $234, Morning from $234, Afternoon from $234, Evening from $311. These observations do not predict the cheapest departure window on other dates.
Cheapest Airfare & Best Time to Book
Search your travel dates to compare current fares. Prices change with airline seat availability.
One-Way vs Round-Trip Fare Comparison
Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.
Online Web Check-In & Boarding Pass
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How to Book Cheap Flights on FlyX
1
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2
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Sort or filter the Portland–Billings results by price, departure time, stops and airline.
3
Open the fare choices
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4
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5
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Why Book Your Flight with FlyX?
Compare the available Portland to Billings options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.
Payment confirmation and ticket issuance are separate steps. If your booking is awaiting a PNR or ticket, follow its status and contact FlyX support when you need help. Your issued ticket contains the airline reference and itinerary. Change and cancellation charges depend on the purchased fare and any separately disclosed service fee.
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Exclusive Flight Offers & Promo Coupons
Coupon code
Offer
Max saving
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Up to 20% Off on Flights
₹1,500
Check coupon eligibility and the final discount on the review page before you pay. View full terms.
Frequently Asked Questions
Is it worth booking Portland to Billings flights in advance?
There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. On the Portland to Billings dates shown on this page, the lowest fare is on a Friday at $234. This can change from week to week.
How far is Portland from Billings by air?
The direct air distance between Portland (PDX) and Billings (BIL) is about 1,090 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from PDX to BIL?
Yes. 1 non-stop flight is listed on this page for Portland to Billings. Use the Stops filter to see only those.
Which airlines fly Portland to Billings?
Alaska Airlines, Delta Air Lines and United Airlines are listed on this route for the dates shown here. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.
How long is the flight from Portland to Billings?
The quickest non-stop Portland to Billings flight on this page takes about 1h 50m. Journeys with a stop take longer, since the total includes the layover.
What is the cheapest Portland to Billings flight fare?
The lowest Portland to Billings fare on this page is $234. Fares on the same dates run up to $735, depending on airline, timing and fare type. Airline prices change often, so search your dates for the current fare.
What time do Portland to Billings flights depart?
On the dates shown here, the first departure is around 05:00 and the last around 23:00, local time at Portland. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.
Why does the price change after clicking Book Now?
Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay. If it has moved, you see the new figure before any payment.
Before you book this route
Check the airport codes PDX–BIL, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.
Where these fares come from
The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price. Run a search to see what is available for your own dates.
Fares shown are for departures on .
Check official travel requirements
Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.
Planning more than the flight? Our United States guide covers the visa process for Indian passport holders, best time to go, how long to plan for, and which places are worth the days you have. Long-haul city breaks and national parks.
The PDX to BIL 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: 1,090.41 km.
Before you book
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Lowest Portland to Billings airfare, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare
$234
30/10/2026
Delta Air Lines
05:33
Cheapest Airfare Within 30 Days
$229
07/11/2026
Delta Air Lines
05:33
Cheapest Airfare Within 90 Days
$222
06/01/2027
Delta Air Lines
05:33
Book Portland to Billings Flight Tickets on FlyX
FlyX lists each Portland to Billings flight in these results with its fare, departure time, stops, layover airport and baggage, so you can compare air tickets side by side. To find a cheap ticket, sort by price and check what baggage the fare includes. The fare is checked with the airline again before you pay.
Portland to Billings Flight Distance, Duration and Time
The aerial distance between Portland and Billings is about 1,090 KM. In these results, journey times range from 1h 50m to 29h 31m. Flights with a layover take longer because the total includes the connection time.
Portland to Billings Flight Schedule and Timing
The search for these dates returned 78 flight options, 1 of them non-stop. The first departure from Portland is at 05:00 and the last is at 23:00. Flights leave from Portland International and land at Billings.
Flight Route Details & Analysis
Flight Details
Information
Route
Portland to Billings
Aerial Distance
1,090 KM
Flight Duration
1h 50m - 29h 31m
Airport Codes
Portland - PDX, Billings - BIL
Total Flights Available
78 flights1 direct77 with layovers
First Flight Departure
Departs at 05:00
Last Flight Departure
Departs at 23:00
Early Morning Flights (12 AM - 8 AM)
12 flights0 direct12 with layovers
Morning Flights (8 AM - 12 PM)
21 flights0 direct21 with layovers
Afternoon Flights (12 PM - 4 PM)
24 flights1 direct23 with layovers
Evening Flights (4 PM - 8 PM)
13 flights0 direct13 with layovers
Night Flights (8 PM - 12 AM)
8 flights0 direct8 with layovers
Airport Information & Terminals
PDX: Portland International airport. Portland International airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
BIL: Billings airport. Billings airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
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Portland to Billings
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Portland International
