Cheap flights from Monarch starting at €293

View €293 flight on Mon, 18 Aug 2025Opens in a new window

Popular airlines from Monarch

  • Delta

    Delta

  • United

    United

  • Alaska Airlines

    Alaska Airlines

  • Hawaiian Airlines

    Hawaiian Airlines

  • KLM

    KLM

  • Air France

    Air France

  • 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 15% 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 Monarch

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
Sat, 6 Sep - Sun, 7 Sep
GTF
Great Falls
DEN
Denver
€184 Return, found 1 hour ago
€184
Return
found 1 hour ago
Select Delta flight, departing Sat, 6 Sep from Great Falls to Denver, returning Sun, 7 Sep, priced at €184 found 1 hour ago
United
Sat, 6 Sep - Sun, 7 Sep
GTF
Great Falls
DEN
Denver
€227 Return, found 1 hour ago
€227
Return
found 1 hour ago
Select United flight, departing Sat, 6 Sep from Great Falls to Denver, returning Sun, 7 Sep, priced at €227 found 1 hour ago
United
Sat, 6 Sep - Sun, 7 Sep
GTF
Great Falls
DEN
Denver
€299 Return, found 1 hour ago
€299
Return
found 1 hour ago
Select United flight, departing Sat, 6 Sep from Great Falls to Denver, returning Sun, 7 Sep, priced at €299 found 1 hour ago
Delta
Sat, 6 Sep - Sun, 7 Sep
GTF
Great Falls
DEN
Denver
€467 Return, found 1 hour ago
€467
Return
found 1 hour ago
Select Delta flight, departing Sat, 6 Sep from Great Falls to Denver, returning Sun, 7 Sep, priced at €467 found 1 hour ago
Delta
Sat, 6 Sep - Sun, 7 Sep
GTF
Great Falls
DEN
Denver
€475 Return, found 1 hour ago
€475
Return
found 1 hour ago
Select Delta flight, departing Sat, 6 Sep from Great Falls to Denver, returning Sun, 7 Sep, priced at €475 found 1 hour ago
Delta
Sat, 6 Sep - Sun, 7 Sep
GTF
Great Falls
DEN
Denver
€577 Return, found 1 hour ago
€577
Return
found 1 hour ago
Select Delta flight, departing Sat, 6 Sep from Great Falls to Denver, returning Sun, 7 Sep, priced at €577 found 1 hour ago
Delta
Sat, 6 Sep - Sun, 7 Sep
GTF
Great Falls
DEN
Denver
€690 Return, found 1 hour ago
€690
Return
found 1 hour ago
Select Delta flight, departing Sat, 6 Sep from Great Falls to Denver, returning Sun, 7 Sep, priced at €690 found 1 hour ago

Flights from Monarch: Essential Travel Information

Cheapest flight from Monarch
€184 (roundtrip)
Best airlines to fly from Monarch
Delta, United, Alaska Airlines
Cheapest month to fly from Monarch
September
Monarch IATA code
GTF
Monarch Country/State
Montana
Airline ticket deals from Monarch
€184 - €690

 

*Available to Expedia members.