When you book a trip on the Expedia website as a guest or without signing in to your account, you can add your trip's itinerary to your Trips List by manually entering your email address and itinerary number.
To view your guest itinerary:
- On the Expedia Home screen, tap Trips.
- Tap + Manually add guest booked trip.
- Type the trip’s associated email address and itinerary number, and then tap Find Itinerary.