Flight Destinations in Petroleum County

View ₹11,871 flight on Tue, 14 Apr 2026Opens in a new window

Popular airlines to Petroleum County

  • Alaska Airlines

  • Delta

  • United

  • American Airlines

  • Southwest Airlines

  • JetBlue Airways

  • KLM

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Petroleum County

Prices were available within the past 7 days and start at ₹11,871 for one-way flights and ₹23,246 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 14 Apr - Sat, 18 Apr
PDX
Portland
BIL
Billings
₹23,246 Return, found 22 hours ago
₹23,246
Return
found 22 hours ago
Select Delta flight, departing Tue, 14 Apr from Portland to Billings, returning Sat, 18 Apr, priced at ₹23,246 found 22 hours ago
Delta
Tue, 14 Apr - Sat, 18 Apr
PDX
Portland
BIL
Billings
₹26,020 Return, found 22 hours ago
₹26,020
Return
found 22 hours ago
Select Delta flight, departing Tue, 14 Apr from Portland to Billings, returning Sat, 18 Apr, priced at ₹26,020 found 22 hours ago
Delta
Tue, 14 Apr - Sat, 18 Apr
PDX
Portland
BIL
Billings
₹27,830 Return, found 22 hours ago
₹27,830
Return
found 22 hours ago
Select Delta flight, departing Tue, 14 Apr from Portland to Billings, returning Sat, 18 Apr, priced at ₹27,830 found 22 hours ago
Delta
Tue, 14 Apr - Sat, 18 Apr
PDX
Portland
BIL
Billings
₹30,604 Return, found 22 hours ago
₹30,604
Return
found 22 hours ago
Select Delta flight, departing Tue, 14 Apr from Portland to Billings, returning Sat, 18 Apr, priced at ₹30,604 found 22 hours ago
Delta
Tue, 14 Apr - Sat, 18 Apr
PDX
Portland
BIL
Billings
₹33,034 Return, found 22 hours ago
₹33,034
Return
found 22 hours ago
Select Delta flight, departing Tue, 14 Apr from Portland to Billings, returning Sat, 18 Apr, priced at ₹33,034 found 22 hours ago
American Airlines
Tue, 14 Apr - Sat, 18 Apr
PDX
Portland
BIL
Billings
₹33,834 Return, found 22 hours ago
₹33,834
Return
found 22 hours ago
Select American Airlines flight, departing Tue, 14 Apr from Portland to Billings, returning Sat, 18 Apr, priced at ₹33,834 found 22 hours ago
American Airlines
Tue, 14 Apr - Sat, 18 Apr
PDX
Portland
BIL
Billings
₹36,602 Return, found 22 hours ago
₹36,602
Return
found 22 hours ago
Select American Airlines flight, departing Tue, 14 Apr from Portland to Billings, returning Sat, 18 Apr, priced at ₹36,602 found 22 hours ago
Delta
Tue, 14 Apr - Sat, 18 Apr
PDX
Portland
BIL
Billings
₹37,618 Return, found 22 hours ago
₹37,618
Return
found 22 hours ago
Select Delta flight, departing Tue, 14 Apr from Portland to Billings, returning Sat, 18 Apr, priced at ₹37,618 found 22 hours ago
Delta
Tue, 14 Apr - Sat, 18 Apr
PDX
Portland
BIL
Billings
₹38,479 Return, found 22 hours ago
₹38,479
Return
found 22 hours ago
Select Delta flight, departing Tue, 14 Apr from Portland to Billings, returning Sat, 18 Apr, priced at ₹38,479 found 22 hours ago
United
Tue, 14 Apr - Sat, 18 Apr
TUS
Tucson
BIL
Billings
₹39,097 Return, found 22 hours ago
₹39,097
Return
found 22 hours ago
Select United flight, departing Tue, 14 Apr from Tucson to Billings, returning Sat, 18 Apr, priced at ₹39,097 found 22 hours ago

Frequently asked questions

How do I find cheap flights to Petroleum County that have flexible change policies?
Search for low-cost flights to Petroleum County, then mark the "No change fee" box underneath the "Flexible change policies" subheading. It really is that simple. We understand that travel plans can change and flexibility is important, so book with confidence with Expedia.
Which airlines fly to Petroleum County?
Reserve your seat with one of these airlines and Petroleum County will be yours to discover:

  • Cape Air - 395 flights to or near Petroleum County each month, including 395 flights to Logan Intl. Airport (BIL) per month.
  • United Airlines - 121 flights to or near Petroleum County each month, including 121 flights to Logan Intl. Airport (BIL) per month.
  • Delta Air Lines - 117 flights to or near Petroleum County each month, including 117 flights to Logan Intl. Airport (BIL) per month.

How can I find cheap tickets to Petroleum County?
For an unbeatable deal to Petroleum County, book well ahead of time. Also think about using Expedia's handy "flexible dates" link above your search results. This will compare prices for similar time frames. In the last seven days, ₹23,246 was the lowest price for a flight to Petroleum County.
How much is a flight to Petroleum County?
You could have locked in a return ticket to Petroleum County from anywhere between ₹23,246 and ₹39,097 in the last seven days. For one-way trips leaving from Portland (PDX), the lowest price during this time was just ₹11,871.
What are the most popular airports to fly into in Petroleum County?
Petroleum County's main entry point is Logan Intl. Airport (BIL). Get your amazing journey underway by locking in an airfare on one of the 807 monthly flights to this destination.
When is the cheapest time to fly to Petroleum County?
Jet off early in the week to land a bargain fare to Petroleum County. Tuesday is normally the most cost-effective day to take off, with Monday a close second. Saturday often has the most expensive fares. This is because a lot of travellers prefer to kick off their getaway on a weekend.
How much is a plane ticket to Petroleum County?
In the last seven days, plane tickets to Petroleum County cost between ₹23,246 and ₹39,097. Prices usually rise as your travel date nears, so grab a cheap flight today.
What months are the cheapest to book a flight to Petroleum County?
To secure a fabulous deal to Petroleum County, book sometime in February when the price of airfares are at their cheapest. When's the most expensive? In the U.S, it's December.

Book with confidence

About Petroleum County

Expedia offers flights to Petroleum County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Petroleum County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Petroleum County

Explore a world of travel with Expedia

*Available to Expedia members.