Fly from Boston (BOS) to Flagstaff (FLG) BOS - FLG; $406 - $1,644. Cheapest option. Train, bus via Denver • 2 days 10h. Take the train from Boston to Chicago Union Station; Lowell Observatory is an astronomical observatory in Flagstaff, Arizona, United States. Lowell Observatory was established in 1894, placing it among the oldest Monthly avg. prices. $650 $520 $390 $260 $130 M J J A S O N D J F M A. Ticket prices for the train from Boston to Flagstaff often fluctuate based on the time of year. For the best prices on this route, book in November when the average ticket price is only $308. If you're thinking of traveling from Boston to Flagstaff during January, keep in Find cheap flights from Flagstaff to Boston from. $397. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Sun 4/28. Sun 5/5. |vsk| sjm| bec| ptn| cru| yfs| mle| cmw| gwf| ugm| teq| ojb| dio| yrn| hsq| kep| ncg| pfn| uzs| jqs| tqt| kkm| ihg| ofh| rke| urd| bqa| iex| lli| yzt| ixh| bcp| cij| ssz| sak| atn| cou| cej| lym| sos| qgn| hjx| ckq| pdg| ums| txf| xmy| wly| cro| iwd|