Best way to travel between Mexico City and Seattle

A: Mexico City

B: Seattle

Travel Modes: Price; Distance; Duration; CO2

flight: $243.0; 3859.68 km; 9h 10mins; 416.85 kgs

flight: $270.0; 4218.77 km; 11h 46mins; 455.63 kgs

bus: $303.0; 5331.54 km; 72h 25mins; 159.95 kgs

drive: $470.0; 4772.25 km; 52h 48mins; 610.85 kgs

train: $615.0; 5677.36 km; 87h 21mins; 300.9 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Flight	3859.68 km	9h 10mins	243 USD	243.0
Flight	4218.77 km	11h 46mins	270 USD	270.0
Bus	5331.54 km	72h 25mins	303 USD	303.0
Drive	4772.25 km	52h 48mins	470 USD	470.0
Train	5677.36 km	87h 21mins	615 USD	615.0

Take Bus from San Lázaro to Terminal 1: Time: 17mins Cost: 1 USD; $ 0.9 - 1.1 USD CO2 Emission: 0.16 kgs
Take Flight from MEX to SEA: Time: 6h 12mins Cost: 240 USD; $ 216.0 - 264.0 USD CO2 Emission: 413.72 kgs
Take Train from Seatac/Airport Stn Rail & Intl Blvd S/S 176 St to Pioneer Sqr Stn & 3rd Av - James - Bay A: Time: 34mins Cost: 3 USD; $ 2.7 - 3.3 USD CO2 Emission: 1.26 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Mexico City and Seattle is to travel by air, which will cost about 243 USD or 218.70 USD.