Cheap Flights from Petroleum County from ₹10,298

View ₹10,298 flight on Mon, 11 Aug 2025Opens in a new window

Popular airlines from Petroleum County

  • IndiGo

    IndiGo

  • Air India

    Air India

  • Vistara

    Vistara

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 25% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Petroleum County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 25 Jul - Sat, 6 Sep
BIL
Billings
PDX
Portland
₹27,988 Return, found 13 hours ago
₹27,988
Return
found 13 hours ago
Select Delta flight, departing Fri, 25 Jul from Billings to Portland, returning Sat, 6 Sep, priced at ₹27,988 found 13 hours ago
United
Wed, 15 Oct - Wed, 22 Oct
BIL
Billings
SEA
Seattle
₹28,137 Return, found 2 days ago
₹28,137
Return
found 2 days ago
Select United flight, departing Wed, 15 Oct from Billings to Seattle, returning Wed, 22 Oct, priced at ₹28,137 found 2 days ago
Delta
Fri, 25 Jul - Sat, 6 Sep
BIL
Billings
PDX
Portland
₹31,240 Return, found 13 hours ago
₹31,240
Return
found 13 hours ago
Select Delta flight, departing Fri, 25 Jul from Billings to Portland, returning Sat, 6 Sep, priced at ₹31,240 found 13 hours ago
United
Wed, 15 Oct - Wed, 22 Oct
BIL
Billings
SEA
Seattle
₹31,395 Return, found 2 days ago
₹31,395
Return
found 2 days ago
Select United flight, departing Wed, 15 Oct from Billings to Seattle, returning Wed, 22 Oct, priced at ₹31,395 found 2 days ago
American Airlines
Wed, 15 Oct - Wed, 22 Oct
BIL
Billings
SEA
Seattle
₹31,400 Return, found 2 days ago
₹31,400
Return
found 2 days ago
Select American Airlines flight, departing Wed, 15 Oct from Billings to Seattle, returning Wed, 22 Oct, priced at ₹31,400 found 2 days ago
United
Wed, 15 Oct - Wed, 22 Oct
BIL
Billings
SEA
Seattle
₹31,991 Return, found 2 days ago
₹31,991
Return
found 2 days ago
Select United flight, departing Wed, 15 Oct from Billings to Seattle, returning Wed, 22 Oct, priced at ₹31,991 found 2 days ago
United
Wed, 15 Oct - Wed, 22 Oct
BIL
Billings
SEA
Seattle
₹32,609 Return, found 2 days ago
₹32,609
Return
found 2 days ago
Select United flight, departing Wed, 15 Oct from Billings to Seattle, returning Wed, 22 Oct, priced at ₹32,609 found 2 days ago
United
Wed, 15 Oct - Wed, 22 Oct
BIL
Billings
SEA
Seattle
₹32,679 Return, found 2 days ago
₹32,679
Return
found 2 days ago
Select United flight, departing Wed, 15 Oct from Billings to Seattle, returning Wed, 22 Oct, priced at ₹32,679 found 2 days ago
Delta
Wed, 15 Oct - Wed, 22 Oct
BIL
Billings
SEA
Seattle
₹32,771 Return, found 2 days ago
₹32,771
Return
found 2 days ago
Select Delta flight, departing Wed, 15 Oct from Billings to Seattle, returning Wed, 22 Oct, priced at ₹32,771 found 2 days ago
Alaska Airlines
Wed, 15 Oct - Wed, 22 Oct
BIL
Billings
SEA
Seattle
₹36,970 Return, found 2 days ago
₹36,970
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 15 Oct from Billings to Seattle, returning Wed, 22 Oct, priced at ₹36,970 found 2 days ago
*Available to Expedia members.