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Cheap flights

Saint Louis Portland - Cheap flights

Special flight deals from Saint Louis to Portland

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Find the best time to book cheap flights to Portland

Flexible on travel dates? Discover the cheapest month to fly to Portland

  • Cheapest round-trip flight

    from 319 USD

  • Cheapest month to travel

    November, December

  • The cheapest day to fly

    Monday

  • Lowest prices

    7 days before
Oct
498 USD
Nov
319 USD
Dec
319 USD
Jan
??
Feb
390 USD
Mar
??
Apr
408 USD
May
??
Jun
??
Jul
??
Aug
??
Sep
??

When is the best time to buy flight tickets?

Find out how far in advance it's worth booking round-trip flights.

  • 6 months before

    from

    658 USD

  • 3 months before

    from

    435 USD

  • 30 days before

    from

    455 USD

  • 7 days before

    from

    279 USD

  • 1 day before

    from

    620 USD

Discover the cheapest day to fly

Discover on which day of the week flights are usually the most affordable.
204 USD
Mon
377 USD
Tue
552 USD
Wed
550 USD
Thu
545 USD
Fri
391 USD
Sat
284 USD
Sun

General information

  • Local time (UTC-8)

  • Flight time from Saint Louis

  • Local currency

    USD